John Deere Snow Blower MTF051055L User Manual
ST0524  
Snow Thrower  
OPERATOR’S  
MANUAL  
MTF−051055L  
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INTRODUCTION  
Congratulations on your purchase of a Frontier Snowthrower. It has been designed, engineered and manufactured to give you  
the best possible dependability and performance. However, like all mechanical products, your machine will occasionally re-  
quire adjustment and maintenance. This handbook should be read before operating or performing and adjustments on your  
machine.  
The instructions in this Owner’s Manual are written for a person with some mechanical ability. Like most service books, not  
all the steps are described. Steps on how to loosen or tighten fasteners are steps anyone can follow with some mechanical  
ability. Read and follow these instructions before you use the unit.  
Know your product:: If you understand the unit and how the unit operates, you will get the best performance. As you read  
this manual, compare the illustrations to the unit. Learn the location and the function of the controls. To help prevent an acci-  
dent, follow the operating instructions and the safety rules. Keep this manual for future reference.  
IMPORTANT: Many units are not assembled and are sold in cartons. It is the responsibility of the owner to make sure the as-  
sembly instructions in this manual are exactly followed. Other units are purchased in an assembled condition. On assembled  
units, it is the responsibility of the owner to make sure the unit is correctly assembled. The owner must carefully check the unit  
according to the instructions in this manual before it is first used.  
The warranty, found in this manual, details the coverage and limitations of this product. Registration of the warranty is  
necessary and must be preformed by the dealer within sixty (60) days from the date of retail sale or delivery. The  
Warranty Registration Form is located on the Frontier website.  
RESPONSIBILITY OF THE OWNER  
The responsibility of the owners to follow the instructions below.  
1. Carefully read and follow the rules for safe operation.  
2. Follow all the assembly instructions.  
3. Inspect the unit.  
4. Make sure that the operator of the unit knows how to correctly use all standard and accessory equipment.  
5. Operate the unit only with guards, shields, and other safety items in place and working correctly.  
6. Correctly adjust the unit.  
7. Service the unit only with authorized or approved replacement parts.  
8. Complete all maintenance on the unit.  
PRODUCT INFORMATION  
The owner must be certain that all the product information is included with this unit.  
This information includes the INSTRUCTION BOOKS, the REPLACEMENT PARTS  
and the WARRANTIES. This information must be included to make  
sure state laws and other laws are followed.  
Read And Keep This Book For  
Future Reference. This Book Contains Important Information On:  
SAFETY, ASSEMBLY, OPERATION AND MAINTENANCE.  
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RULES FOR SAFE OPERATION  
Operating Symbols and their meanings  
This manual contains safety information to make you  
aware of the hazards and risks associated with snow  
throwers, and how to avoid them. The snow thrower is designed and  
intended for removal of snow, and should not be used for any other  
purpose. It is important that you read and understand these  
instructions, and anyone operating the equipment read and  
understand these instructions.  
These symbols are used on your equipment and defined in your operating  
manual. It is important that you review and understand the meanings.  
Failure to understand the symbols might result in harm to you.  
Oil  
WARNING  
Foward  
Neutral  
Fuel  
The engine exhaust from this product contains chemicals known to the  
State of California to cause cancer, birth defects, or other reproductive  
harm.  
On Off  
A signal word (DANGER, WARNING, or CAUTION) is used with the alert  
symbol to indicate the likelihood and the potential severity of injury. In  
addition, a hazard symbol may be used to represent the type of hazard.  
Primer bulb  
Reverse  
DANGER indicates a hazard which, if not avoided, will result in  
death or serious injury.  
Throttle  
WARNING indicates a hazard which, if not avoided, could result  
in death or serious injury.  
Ignition On  
Ignition Off  
Ignition Key  
Choke off  
CAUTION indicates a hazard which, if not avoided, might result  
in minor or moderate injury.  
CAUTION, when used without the alert symbol, indicates a  
situation that could result in damage to the equipment.  
Choke on  
Stop  
Hazard Symbols and the meanings  
These symbols are used on your equipment and defined in your operating  
manual. Review and understand the meanings. The use of one of these  
symbols combined with a signal word will alert you to potential hazards  
and how to avoid them.  
Push to engage  
electric start  
Slow  
Fast  
Electric  
Start  
Safety Alert − Identifies safety information about  
hazards that can result in personal injury.  
Engine  
Start  
Engage  
Traction  
Operator’s Manual − Read and understand  
before performing any activity or running  
equipment.  
Engine Run  
Rotating auger  
Fire  
Auger Collector  
Auger Clutch  
Engine Off  
Engage  
Rotating impeller  
Toxic fumes  
Explosion  
Shock  
Drive Clutch  
Disengage  
Discharge Chute  
Chute Deflector  
Rotating gears  
Thrown objects  
Hot Surface  
DOWN  
LEFT  
RIGHT  
UP  
Keep a safe distance  
from the equipment.  
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RULES FOR SAFE OPERATION  
DANGER  
DANGER  
Avoid death or serious injury from rotating auger.  
Keep hands, feet and clothing away.  
Objects can be picked up by auger and thrown from chute.  
Never throw snow toward people or cars, and never allow  
anyone in front of the snow thrower.  
Unclogging discharge chute is a hazardous activity.  
• Be aware of your enviroment while operating equipment. Running over  
items such as, gravel, doormats, newspapers, toys, and rocks hidden  
under snow, can all be thrown from chute or jam in the auger.  
• Never attempt to clear auger of debris or clogged snow while equipment is  
engaged or engine is running. Clogged or blocked augers store energy  
and can rotate unexpectedly, EVEN WITH ENGINE OFF.  
• Always be aware of the direction the snow is being thrown. Nearby  
• Stop engine and disconnect spark plug wire when performing maintenance  
pedestrians, pets or property may be harmed by objects being thrown.  
• Familiarize yourself with the area you plan to work. Mark off boundarties of  
on equipment.  
• Never leave the equipment unattended while engine is running. Always  
walkways and driveways to prevent property damage, or throwing objects.  
• Take caution when snow throwing in unfamiliar areas. Stay alert for hidden  
hazards and traffic.  
• After striking a foreign object, turn engine OFF, wait for moving parts to  
cease movement, and check immediately for damage. If damaged, repair  
before starting and operating snow thrower.  
disengage the auger and traction controls, stop engine, and remove keys.  
• Keep children, pets, and others out of the area during operation. Children  
are often attracted to the equipment. Be mindful of all persons present.  
• Keep all loose clothing far away from front of snow thrower and auger.  
Scarfs, mittens, dangling drawstrings, loose clothes and pants can quickly  
become caught in the rotating device and dismemberment will occur. Tie  
up long hair and remove jewerly.  
• With engine OFF, wait for moving parts to stop and always use a stick to  
clear discharge chute.  
• If unit vibrates abnormally, turn engine OFF. Vibration is generally a  
• The snow thrower is intended to remove snow only. Do not use for other  
purposes other than what is intended.  
warning of trouble. See an authorized dealer if necessary for repairs.  
• Do not clear snow across the face of slopes. Exercise extreme caution when  
changing direction on slopes. Do not attempt to clear steep slopes.  
• Do not use the snow thrower on surfaces above ground level such as roofs  
of residences, garages, porches or other such structures or buildings.  
WARNING  
Rotating gears can contact or entangle hands, feet, hair,  
clothing, or accessories.  
Traumatic amputation or severe laceration can result.  
• Always operate equipment with all guards in place.  
• Keep hands and feet away from rotating gears.  
• Tie up long hair and remove jewelry.  
DANGER  
Discharge chute contains rotating impeller to throw snow.  
Never clear or unclog discharge chute with your hands, or  
while engine is running.  
• Do not wear loose-fitting clothing, dangling drawstrings or items that could  
become caught.  
Fingers can quickly become caught and traumatic  
amputation or severe laceration can result.  
• Unclogging the discharge chute is a hazardous activity. Clogged or  
blocked augers store energy and can rotate unexpectedly.  
• Never place hands in or near discharge chute.  
• With engine OFF, wait for all moving parts to cease movement, then with a  
stick, clear the chute. Even with engine off, parts may rotate and  
dismemberment can occur.  
• Clogged snow can hide other obstructions in the chute and cause damage  
to the equipment, impeller or auger. Take precautions when restating the  
equipment after snow removal.  
WARNING  
Engines give off carbon monoxide, an odorless, colorless,  
poison gas.  
Breathing carbon monoxide can cause nausea, fainting or  
death.  
• Start and run engine outdoors.  
• Do not start or run engine in enclosed area, even if doors or  
windows are open.  
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RULES FOR SAFE OPERATION  
WARNING  
WARNING  
Running engines produce heat. Engine parts, especially muffler,  
become extremely hot.  
Gasoline and its vapors are extremely flammable and explosive.  
Fire or explosion can cause severe burns or death.  
Severe thermal burns can occur on contact.  
WHEN ADDING FUEL  
• Turn engine OFF and let engine cool at least 2 minutes before removing  
Combustible debris, such as leaves, grass, brush, etc. can catch  
fire.  
gas cap.  
• Fill fuel tank outdoors or in well-ventilated area.  
• Do not overfill fuel tank.  
• Allow muffler, engine cylinder and fins to cool before touching.  
• Remove accumulated combustibles from muffler area and cylinder  
area.  
• Keep gasoline away from sparks, open flames, pilot lights, heat, and other  
ignition sources.  
• Check fuel lines, tank, cap, and fittings frequently for cracks or leaks.  
• Install and maintain in working order a spark arrester before using  
equipment on forest-covered, grass-covered, brush-covered  
unimproved land. The state of California requires this (Section 4442 of  
the California Public Resources Code). Other states may have similar  
laws. Federal laws apply on federal land.  
Replace if necessary.  
WHEN STARTING ENGINE  
• Make sure spark plug, muffler, fuel cap and air cleaner are in place.  
• Do not crank engine with spark plug removed.  
• If fuel spills, wait until it evaporates before starting engine.  
• If engine floods, set choke to OPEN/RUN position, place throttle in FAST  
and crank until engine starts.  
WARNING  
WHEN OPERATING EQUIPMENT  
• Do not choke carburetor to stop engine.  
Unintentional sparking can result in fire or electric shock.  
WHEN TRANSPORTING EQUIPMENT  
• Transport with fuel tank EMPTY.  
WHEN STORING GASOLINE OR EQUIPMENT WITH FUEL IN TANK  
Unintentional start-up can result in entanglement, traumatic  
amputation, or laceration.  
BEFORE PERFORMING ADJUSTMENTS OR REPAIRS  
• Disconnect spark plug wire and keep it away from spark plug.  
WHEN TESTING FOR SPARK  
• Store away from furnaces, stoves, water heaters or other appliances that  
have pilot light or other ignition source because they can ignite gasoline  
vapors.  
• Use approved spark plug tester.  
• Do not check for spark with spark plug removed.  
WARNING  
Starting engine creates sparking.  
Sparking can ignite nearby flammable gases.  
Explosion and fire could result.  
• If there is natural or LP gas leakage in area, do not start engine.  
• Do not use pressurized starting fluids because vapors are flammable.  
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TABLE OF CONTENTS  
HAZARD SYMBOLS AND THE MEANINGS . . . . . . . . . . . . . . . . . . . . . . . 3  
OPERATING SYMBOLS AND THEIR MEANINGS . . . . . . . . . . . . . . . . . . 3  
SAFETY DECALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
OWNER’S INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
TOOLS REQUIRED FOR ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
CONTENTS OF SHIPPING CARTON . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
PARTS BAGS CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
UPPER HANDLE AND CRANK ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . 11  
CHECK THE CABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
HOW TO SET THE LENGTH OF THE CABLES . . . . . . . . . . . . . . . . . . . 11  
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13  
ENGINE AND SNOWTHROWER CONTROLS . . . . . . . . . . . . . . . . . . . . 13  
SNOWTHROWER OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
WHEEL LOCK OUT PIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15  
HOW TO SET THE DRIFT CUTTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . 16  
BEFORE STARTING ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
CHECK THE OIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
FILL GAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
BEFORE STOPPING THE ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18  
TO STOP ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18  
TO START ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18  
FROZEN STARTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20  
HOW TO CLEAR A CLOGGED DISCHARGE CHUTE . . . . . . . . . . . . . 20  
HOW TO USE THE CLEAN-OUT TOOL . . . . . . . . . . . . . . . . . . . . . . . . . 20  
OPERATING TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21  
SERVICE RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22  
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23  
SNOW BLOWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23  
AS REQUIRED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23  
LUBRICATION AT STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23  
LUBRICATION − EVERY 25 HOURS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24  
ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25  
HOW TO REMOVE THE SNOW HOOD . . . . . . . . . . . . . . . . . . . . . . . . . 26  
AUGER HOUSING HEIGHT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . 27  
BELT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28  
HOW TO REPLACE THE BELTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29  
BELT GUIDE ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32  
TRACTION DRIVE CABLE ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . 33  
HOW TO ADJUST OR REPLACE THE FRICTION WHEEL . . . . . . . . . 34  
AUGER SHEAR BOLT REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . 37  
TO ADJUST OR REPLACE THE SPARK PLUG . . . . . . . . . . . . . . . . . . . 37  
STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38  
TROUBLE SHOOTING CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39  
REPLACEMENT PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40  
PARTS SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41  
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56  
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SAFETY DECALS  
the meaning, then thoroughly read all safety and operation  
instructions in this Owner’s Manual or contact your local  
dealer.  
WARNING: If safety decals are dam-  
aged or missing, replace immediately.  
If any safety decals become worn or damaged and cannot  
be read, order replacement decals from your local dealer.  
Look for this symbol to indicate important safe-  
ty precautions. This symbol indicates: “Atten-  
tion! Become Alert! Your Safety Is At Risk.”  
Identifying Your Snowthrower  
The snowthrower has two (2) identifying numbers: (1) unit  
model number: (2) unit serial number. The two preceding  
numbers are required to insure that the proper replace-  
ment parts are obtained when required. If you have any  
questions concerning parts, service, or technical data, con-  
tact the dealer where the unit was purchased.  
Before operation of your snowthrower, read the safety de-  
cals as shown on your snowthrower. The cautions and  
warnings are for your safety. To avoid a personal injury or  
damage to your snowthrower, understand and follow all  
safety decals. If you have any questions regarding the  
meaning or how to comply with the instructions, do not op-  
erate until you understand the purpose for the warning or  
danger given in the safety decal. If you do not understand  
For complete warranty information refer to the warranty in  
the Owner’s Information section of this manual.  
Figure 1  
MTF−051055L  
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OWNER’S INFORMATION  
THREE YEAR LIMITED WARRANTY  
Murray warrants to the original purchaser of this Frontier Branded Snowthrower that this unit shall be free from defects in  
material and workmanship under normal use and service for a period of Three (3) Year from the date of purchase; however,  
this warranty does not cover accessories (such as electric starters) and Normal Wear Parts (except as noted below) as the  
companies that manufacture these items furnish their own warranties and provide service through their authorized field  
service facilities. For additional information, see the warranties covering these particular parts. If you are uncertain whether  
your unit contains or is equipped with one or more of these parts, consult your dealer prior to purchase. Subject to the terms  
and conditions noted in this Limited Warranty, we shall, at our option, repair or replace at no cost to the original purchaser  
any part covered by this Limited Warranty during the applicable warranty period.  
Normal Wear Parts are defined as drive belts, augers, shear pins, tires and headlights. These parts are warranted to be free  
from defects in material and workmanship as delivered with the product. Any claim for repair or replacement of Normal Wear  
Parts must be made within thirty (30) days of the date of purchase. No claims involving damage caused from material use,  
abuse or misuse will be honored.  
This Murray Three (3) Year Limited Warranty for your Frontier Branded Snowthrower is your exclusive remedy; however,  
this warranty is void or does not apply to any unit that has been tampered with, altered, misused, abused. If used for  
commercial and/or professional (non−homeowner) uses, the duration of this warranty is ninety (90) days after the date of  
purchase. Your warranty does not cover minor mechanical adjustments which are not due to any defect in material or  
workmanship. For assistance in making such adjustments, consult your Operator’s Manual.  
The engine on this Frontier Branded Snowthrower is warranted to the original purchaser for a Three (3) Year Limited  
Warranty by the equipment manufacturer. See your engine manual for information regarding the warranty policy and items  
covered under warranty. See your authorized John Deere/Frontier Dealer for service or replacement parts.  
MB  
To make a claim under this Murray Three (3) Year Limited Warranty for your Frontier Branded Snowthrower, return the unit  
(or if authorized in advance, the defective part) along with your proof of purchase to an Authorized John Deere/Frontier Dealer  
near you. To locate the nearest Authorized John Deere/Frontier Dealer, check the Yellow Page listings in your local telephone  
directory. If you return the entire unit, John Deere/Frontier will repair all warranty items. If authorize to return the defective  
part only, John Deere/Frontier will either replace or repair the part. This Murray Three (3) Year Limited Warranty for your  
Frontier Branded Snowthrower gives you specific legal rights, and you may also have other rights which vary from state to  
state. This Limited Warranty is given in lieu of all other expressed and implied warranties including the implied  
warranty of merchantability and warranty of fitness for a particular purpose. If you need additional information on this  
written warranty or assistance in obtaining service, contact you local John Deere/Frontier Dealer.  
FOR YOUR RECORDS  
DATE PURCHASED:  
MODEL NO:  
SERIAL NO:  
STORE WHERE PURCHASED:  
ADDRESS:  
CITY:  
STATE:  
TELEPHONE :  
Record this information about your unit so that you will  
be able to provide it in case of loss or theft.  
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ASSEMBLY  
TOOLS REQUIRED FOR ASSEMBLY  
CONTENTS OF SHIPPING CARTON  
1− Snowthrower  
1 − Knife  
2 − 1/2” wrenches (or adjustable wrenches)  
2 − 9/16” wrenches (or adjustable wrenches)  
2 − 3/4” wrenches (or adjustable wrenches)  
1 − 3/8” wrenches (or adjustable wrenches)  
1 − Pair pliers or screw driver (to spread cotter pin)  
1− Container of Fuel Stabilizer (Located in Parts Bag)  
1− Crank Assembly  
1− Parts Bag  
HOW TO MEASURE SCREW SIZE  
LENGTH  
DIAMETER  
WARNING: Always wear safety glasses or eye  
shields while assembling snowthrower.  
PARTS BAGS CONTENTS:  
*2− Shear Bolt  
* 2−Spacer  
*2− Nut  
* Non Assembly parts are found in toolbox located on top of belt cover.  
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ASSEMBLY  
Figure 2 shows the snowthrower in the shipping position.  
Figure 3 shows the snowthrower completely assembled.  
Reference to right and left hand side of the snowthrower is  
from the operator’s position at the handle.  
UNPACKING  
Figure 2  
1. Locate the two tear tabs at the bottom of the carton.  
Traction Drive Lever  
Auger Drive  
Lever  
2. Pull the tear tape no more than twelve inches (30.48cm.)  
at a time. Re−grasp tape next to the carton and pull  
again. Repeat until all the tape is torn off.  
3. After the tape has been completely removed from the  
carton, remove the carton from the base. Cut all four cor-  
ners and fold the sides toward the center for easy dispos-  
al.  
Snow Chute Deflector  
Auger Housing  
4. Remove the plastic bag that covers the unit.  
5. Locate and remove the parts bag.  
NOTE: Set the fuel stabilizer aside until adding  
gasoline to the fuel tank. We recommend that fuel  
stabilizer is added to the fuel each time that gasoline  
is added to the fuel tank.  
Screw  
6. For shipping purposes, the height adjust skids are at-  
tached to the pallet. Remove the screw that secures  
each height adjust skid to the pallet. (See Figure 2).  
Height Adjust  
Skid  
Figure 3  
Traction Drive Lever  
7. Roll the snowthrower off the carton by pulling on the low-  
er handle.  
Cable  
Auger Drive Lever  
CAUTION: DO NOT back over cables.  
8. Remove the packing material from the handle assembly.  
”Z” Fitting  
”Z” Fitting  
9. Cut ties securing the clutch control cables to the lower  
handle.  
NOTE: If the cables have become disconnected from the  
clutch levers, reinstall the cables as shown in Figure 4.  
MTF−051055L  
Figure 4  
Cable  
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ASSEMBLY  
UPPER HANDLE AND CRANK ASSEMBLY  
Crank  
1. Loosen, but do not remove the screws, flatwashers, lock-  
washers and hex nuts in the upper holes of the lower han-  
dle.  
5/16−18x2”  
Bolt  
5/16−18”  
Lockwasher  
3/8” Nylon  
Locknut  
2. Remove the fasteners and the crank assembly eyebolt  
from the lower holes of the lower handle.  
5/16−18”  
Nut  
3. Raise upper handle into operating position. Upper han-  
dle should be to the outside of the lower handle.  
11/32 “Flatwasher  
Figure 5  
Eye Bolt  
Flatwasher  
NOTE: Make sure the cables are not caught between  
the upper and lower handle.  
Hair Pin  
4. Install the fasteners and the crank assembly eyebolt that  
were removed in step 2. DO NOT tighten until all fasten-  
ers are in place.  
5. Attach the crank rod to the universal joint assembly with  
the hair pin (see Figure 6).  
6. Tighten nut on eye bolt. Make sure eye bolt is properly  
aligned and the crank can freely rotate.  
7. Tighten all handle bolts.  
Crank Rod  
Assembly  
Universal Joint  
NOTE: Make sure crank does not touch carburetor  
cover.  
Figure 6  
CHECK THE CABLES  
Auger Drive Cable  
Traction Drive Cable  
1. If control cables have become unattached from motor  
mount frame, reconnect cables as shown in Figure 7.  
2. For cable adjustments, see “How To Check And Adjust  
The Cables” in the MAINTENANCE section.  
HOW TO SET  
THE LENGTH OF THE CABLES  
The cables were adjusted at the factory and no adjustments  
should be necessary. However, after the handles are put in  
the operating position, the cables can be too tight or too  
loose. If an adjustment is necessary, see “How To Check And  
Adjust The Cables” in the MAINTENANCE section.  
Figure 7  
11  
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ASSEMBLY  
CHECK THE TIRES  
IMPORTANT! BEFORE YOU START  
OPERATING  
The tires were over inflated for shipment. Check the tire  
pressure in the tires. See the sidewall of the tire for the  
proper inflation.  
r
r
Check the fasteners. Make sure all fasteners are  
tight.  
On electric start models, the unit was shipped with  
the starter cord plugged into the engine. Before  
operating, unplug the starter cord from the engine.  
NOTE: This snowthrower was shipped WITH OIL in the engine. See “Before Starting Engine”  
instructions in the Operation section of this manual before starting engine.  
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OPERATION  
READ THIS OWNER’S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR SNOWTHROWER. Compare the  
illustrations with your SNOWTHROWER to familiarize yourself with the location of various controls and adjustments. Save  
this manual for future reference.  
Auger Drive Clutch Lever  
Traction Drive Clutch Lever  
Gas Tank  
Choke Control  
Primer Button  
Gas Cap  
Snow Chute  
Deflector  
Crank  
Auger Housing  
Toolbox  
Recoil Starter Handle  
Safety  
Key  
Clean-out Tool  
Height  
Adjust Skid  
Figure 8  
ENGINE AND SNOWTHROWER CONTROLS  
ENGINE CONTROLS  
Choke Control− Use to start a cold engine.  
Electric Start Button − Used to start the engine using the  
120 volt electric starter.  
Prime Button − Used to inject fuel directly into carburetor  
manifold to insure fast starts in cool weather.  
Safety Key − Must be inserted to start engine. Pull out to  
stop. Do not turn safety key.  
Auger Drive Clutch Lever − Used to engage and disengage  
the auger and impeller. To engage push down, to disengage  
release.  
Traction Drive Clutch Lever − Used to propel snowthrower  
forward or reverse. Push down to engage, release to  
disengage.  
Snow Chute Deflector − Changes the direction the snow is  
blown.  
Crank − Used to change direction of the snow discharge.  
Turn handle clockwise to turn chute to right. Turn handle  
counter clockwise to turn chute to left.  
Starter Handle − Starts the engine manually.  
SNOWTHROWER CONTROLS  
Height Adjust Skid − Used to adjust ground clearance of  
auger housing.  
Speed Select Lever − Allows the operator to use one of six  
(6) forward and two (2) reverse speeds. To shift, move speed  
select lever to desired position.  
Toolbox − Spare shear pins and spacers are located in  
toolbox.  
NOTE: Do not move speed select lever while Traction  
Drive Clutch is engaged. This may result in severe  
damage to drive system.  
Clean-Out Tool − Use the clean-out tool to remove snow and  
debirs from the discharge chute and the auger housing.  
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OPERATION  
The operation of any snowthrower can result in foreign objects being thrown into the eyes,which can  
result in severe eye damage. Always wear safety glasses or eye shields before beginning snowthrower  
Operation. We recommend standard safety glasses or Wide Vision Safety Mask for over spectacles.  
4. To stop forward motion, release the traction drive lever.  
SNOWTHROWER OPERATION  
The most effective use of the snowthrower will be established  
by experience, taking into consideration the terrain, wind  
conditions and building location which will determine the  
direction of the discharge chute.  
5. To move the snowthrower backwards, move the speed  
select lever into either first or second reverse position  
and engage the traction drive lever.  
NOTE: Do not blow snow toward a building as hidden  
objects could be blown with sufficient force to cause  
damage.  
Traction Drive Lever  
Auger Drive Lever  
TO STOP YOUR SNOWTHROWER  
1. To stop throwing snow, release the auger drive lever.  
(see Figure 9).  
2. To stop the wheels, release the traction drive lever.  
3. To stop the engine, push the throttle control lever to off  
and pull out the ignition key.  
TO CONTROL SNOW DISCHARGE  
1. Rotate the crank to set the direction (left to right) of the  
Figure 9  
discharge chute (see Figure 8).  
2. Adjust the snow chute deflector. Loosen the wing nut  
on the side of the snow chute deflector. Raise the  
snow chute deflector for more distance or lower for less  
distance. Tighten wing nut. (see Figure 10).  
Chute Deflector  
HOW TO MOVE FORWARD AND BACKWARD  
1. Start the engine. See “To Start Engine” in the Operation  
section.  
Wing Nuts  
NOTE: Always release the traction drive lever before  
moving the speed select lever.  
Figure 10  
2. Ground speed is determined by snow conditions. Set the  
speed select lever (see Figure 11) in one of the follow-  
ing positions.  
1−2  
3
Wet, Heavy, Slushy, Extra Deep  
Moderate  
4−5  
6
Very Light  
Transport Only  
IMPORTANT: Before operating, make sure the area in  
front of snowthrower is clear of bystanders or  
obstacles.  
Speed Select Lever  
3. Engage the traction drive lever (see Figure 9). As the  
snowthrower starts to move, maintain a firm hold on the  
handles and guide the snowthrower along the cutting  
Figure 11  
path. Do not attempt to push the snowthrower.  
MTF−051055L  
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OPERATION  
TO THROW SNOW  
WARNING: Never run engine indoors or in an  
enclosed, poor ventilated area. Engine exhaust  
contains CARBON MONOXIDE, an OR-  
1. Push down the auger driver lever (right hand). See  
Figure 9.  
2. To stop throwing snow, release the auger drive lever.  
DERLESS and DEADLY GAS.  
Keep hands, feet, hair and loose clothing away from  
any moving parts on engine and snowthrower.  
Temperature of muffler and nearby areas can exceed  
150_ F (66_ C). Avoid these areas.  
NOTE: When clearing wet, heavy snow, it is  
recommended that the ground speed of the unit be  
reduced, maintain full throttle and do not attempt to  
clear the full width of the unit.  
DO NOT allow children or young teenagers to operate  
or be near snowthrower while it is operating.  
For additional operating instructions see “Operating  
Tips” in the Operation section.  
WARNING: Read Owner’s Manual before oper-  
ating machine. This machine can be dangerous  
if used carelessly.  
Never operate the snowthrower without all guards,  
covers, and shields in place.  
Never direct discharge towards windows or allow by-  
standers near machine while engine is running.  
Stop the engine whenever leaving the operating posi-  
tion.  
Disconnect spark plug before unclogging the impeller  
housing or the discharge chute and before making re-  
pairs or adjustments.  
When leaving the machine, remove the ignition key.  
To reduce the risk of fire, keep the machine clean and  
free from spilled gas, oil and debris.  
2. For ease of maneuverability when lighter conditions pre-  
vail, remove klick pin from wheel locked position and in-  
sert into single wheel drive (unlocked) position  
(Figure 13). Make sure that the klick pin is in the single  
wheel drive position of the axle only and not through the  
locked position.  
WHEEL LOCK OUT PIN  
1. The right wheel is secured to the axle with a klick pin. This  
unit was shipped with this klick pin in the locked position.  
(Figure 12).  
Klik  
Pin  
Klik  
Pin  
Single  
Wheel Drive  
Position  
Figure 13  
(Unlocked)  
Locked  
Position  
Figure 12  
NOTE: Check tire pressure. See side of tire for maximum  
inflation. Do not exceed listed maximum pressure.  
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OPERATION  
HOW TO SET THE DRIFT CUTTERS  
Drift Cutter  
(OPTIONAL ACCESSORY ON SOME MODELS)  
Drift cutters are used to cut a path through snow deeper than  
the auger housing.  
1. Loosen the wingnuts that secure the drift cutters to the  
auger housing (see Figure 14).  
Wingnut  
2. Raise the drift cutters to the desired height.  
3. Tighten the wingnuts.  
Figure 14  
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OPERATION  
1. Fill the fuel tank with fresh, clean, unleaded regular, un-  
BEFORE STARTING ENGINE  
Check the oil  
leaded premium, or reformulated automotive gasoline  
with a minimum of 85 octane along with a fuel stabilizer  
(follow instructions on fuel stabilizer package). DO NOT  
use leaded gasoline. We recommend that fuel stabilizer  
be added to the fuel each time that gasoline is added to  
the fuel tank.  
NOTE: The engine was shipped from the factory filled  
with oil. Check the level of the oil. Add oil as needed.  
1. Make sure the unit is level. Use a high quality detergent  
oil classified “For Service SG, SH, SJ, SL, or higher”.  
NOTE: Winter grade gasoline has higher volatility to  
improve starting. Be certain container is clean and  
free from rust or other foreign particles. Never use  
gasoline that may be stale from long periods of  
storage in the container.  
2. Remove the oil fill cap/dipstick and wipe with a clean  
cloth (see Figure 15).  
3. Insert the oil fill cap/dipstick and turn clockwise to tighten.  
4. Remove the oil fill cap/dipstick and check the oil.  
CAUTION: DO NOT use gasoline containing any  
amount of alcohol as it can cause serious damage to  
the engine or significantly reduce the performance.  
NOTE: Do not check the level of the oil while the  
engine runs.  
WARNING: Gasoline is flammable. Always use  
caution when handling or storing gasoline.  
Turn engine off and let engine cool at least two  
minutes before removing the gas cap. Do not add gaso-  
line to the fuel tank while snow blower is running, hot,  
or when snow blower is in an enclosed area. Keep away  
from open flame, electrical sparks and DO NOT SMOKE  
while filling the fuel tank. Never fill the fuel tank com-  
pletely; but fill the fuel tank to within 1-1/2 inch (3.8 mm)  
from the top to provide space for the expansion of the  
fuel. Always fill fuel tank outdoors and use a funnel or  
spout to prevent spilling. Make sure to wipe up any  
spilled fuel before starting the engine.  
Store gasoline in a clean, approved container, and keep  
the cap in place on the container. Keep gasoline in a  
cool well ventilated place; never in the house. Never  
buy more than a 30 day supply of gasoline to assure  
volatility. Gasoline Is intended to be used as a fuel for  
internal combustion engines; therefore, do not use  
gasoline for any other purpose. Since many children  
like the smell of gasoline, keep it out of their reach be-  
cause the fumes are dangerous to inhale, as well as be-  
ing explosive.  
5. If necessary, add oil until the oil reaches the FULL mark  
on the oil fill/cap dipstick (see Figure 15). Do not add too  
much oil.  
6. Tighten the fill cap/dipstick securely each time you check  
the oil level.  
NOTE: For extreme cold operating conditions of 0_ F  
(−18_ C) and below, use a synthetic 5W30 motor oil for  
easier starting.  
NOTE: S.A.E. 5W30 motor oil may be used to make  
starting easier in areas where the temperature is 20_ F.  
(−7_ C) to 0_ F (−18_ C). Synthetic 5W30 is acceptable for  
all temperatures. DO NOT mix oil with gasoline.  
NOTE: SEE CHART FOR OIL RECOMMENDATION  
TEMPERATURE  
_ F (−18 C) and above  
TYPE OF OIL  
S.A.E. 5W30  
0
_
synthetic 5W30  
0_ F (−18_ C) and below  
Oil Fill  
Cap/Dipstick  
SAE VISCOSITY GRADES  
5W30  
synthetic 5W30  
_ F  
_ C  
−
20  
−30  
0
20  
32  
0
40  
−20  
−10  
10  
FILL GAS  
This engine is certified to operate on gasoline. Exhaust  
Emission Control System: EM (Engine Modifications)  
MTF−051055L  
Figure 15  
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OPERATION  
BEFORE STOPPING THE ENGINE  
Run the engine for a few minutes to help dry off any moisture  
on the engine.  
TO STOP ENGINE  
CAUTION: To stop the engine, do not move the choke  
control to CHOKE position. Backfire or engine damage  
can occur.  
2. Pull out the safety key.  
1. Push the stop switch to the OFF position.  
Safety Key  
Stop Switch  
Figure 17  
Figure 16  
TO START ENGINE  
Be sure that engine oil is at FULL mark on the oil fill  
cap/dipstick. The snow thrower engine is equipped with a 120  
volt A.C. electric starter and recoil starter. Before starting the  
engine, be certain that you have read the following  
information.  
WARNING: The electric starter is equipped with  
a three−wire power cord and plug designed to  
operate on 120 volt AC house hold current. The  
power cord must be properly grounded at all times to  
avoid the possibility of electric shock which can cause  
injury to the operator. Follow all instructions carefully  
as set forth below:  
If engine floods, set the choke to the OPEN/RUN position and  
crank until the engine starts.  
Make sure your house has a three−wire grounded sys-  
tem. If you are not sure, ask a licensed electrician. If  
your house does not have a three−wire grounded sys-  
tem, do not use this electric starter under any condi-  
tion.  
If your house has a three−wire grounded system but a  
three hole receptacle is not available to connect the  
electric starter, have a three−hole receptacle installed  
by a licensed electrician.  
WARNING: Rapid retraction of the starter cord  
(kickback) will pull your hand or arm toward the  
engine faster than you can let go of the starter  
cord.  
S When starting the engine, slowly pull the starter cord  
until resistance is felt. Then, rapidly pull the starter  
cord.  
S Make sure components; such as impellors, pulleys  
or sprockets, are securely attached.  
WARNING: To connect a 120 volt power cord,  
always connect the power cord first to the  
switch box located on the engine and then plug  
the other end into a three−hole grounded receptacle.  
WARNING: To disconnect the power cord, al-  
ways unplug the end connected to the three−  
hole grounded receptacle first.  
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OPERATION  
Choke Knob  
Starter Button  
Primer  
Safety Key  
Starter Motor  
Recoil Starter Handle  
Stop Switch  
Figure 18  
9. If the engine does not start in 5 or 6 tries, See Difficult  
Starting in the “Troubleshooting Table”.  
How To Start A Cold Engine  
1. Be sure auger drive and traction drive levers are in the  
disengaged (RELEASED) position.  
10. Allow the engine to warm up for several minutes. As the  
engine warms up, adjust the choke knob toward the  
RUN position. Wait until the engine runs smoothly before  
each choke adjustment.  
2. Push the stop switch to the ON position (see Figure 18).  
3. Push in the safety key.  
4. Rotate the choke knob to the CHOKE position.  
5. (Electric Start) Plug the power cord into the starter mo-  
tor on the engine. Plug the other end of power cord into  
a three-hole, grounded 120 VOLT, AC receptacle.  
11. (Electric Start) First disconnect power cord from recep-  
tacle. Then, disconnect the power cord from the switch  
box.  
6. Push the primer button as specified below. Remove fin-  
ger from primer button between pushes.  
If after following the preceding instructions, your engine fails  
to start, have the engine checked by a John Deere/Frontier  
dealer.  
S
P
u
s
h
t
w
o
t
i
m
e
s
i
f
t
e
m
p
e
r
a
t
u
r
e
i
s
1
5
°
F
(
−
9
°
C
)
o
r
h
i
g
h
-
er.  
S
P
u
s
h
f
o
u
r
t
i
m
e
s
i
f
t
e
m
p
e
r
a
t
u
r
e
i
s
b
e
l
o
w
1
5
°
F
(
−
9
°
C
)
.
NOTE: Do not lose the safety/ignition key. Keep the  
safety/ignition key is a safe place. The engine will not  
start without the safety/ignition key.  
7. (Electric Start) Connect the power cord to the engine  
and depress the starter button. To prolong the life of the  
starter, do not crank for more than 5 seconds at a time.  
Wait one minute between starts to allow the starter motor  
to cool.  
How To Start A Warm Engine  
8. (Recoil Start) Slowly pull the recoil starter handle until  
resistance is felt and then pull repidly to start the engine.  
Do not allow the recoil starter handle to snap back.  
Slowly return the recoil starter handle.  
If restarting a warm engine after a short shutdown, leave the  
choke lever in the off position and do not push the primer  
button. If the engine fails to start, follow the Cold Start  
instructions.  
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OPERATION  
WARNING: Never run engine indoors or in en-  
FROZEN STARTER  
If the starter is frozen and will not turn engine:  
closed, poorly ventilated areas. Engine exhaust  
contains CARBON MONOXIDE, AN ODORLESS  
AND DEADLY GAS. Keep hands, feet, hair and loose  
clothing away from any moving parts on engine and  
snow thrower.  
1. Pull as much rope out of the starter as possible.  
2. Release the starter handle and let it snap back against  
the starter. Repeat until the engine starts.  
S Engine parts, especially the muffler, become ex-  
tremely hot. Severe thermal burns can occur on con-  
tact. Allow the engine to cool before touching.  
S Never allow children to operate the snow thrower.  
Never allow adults to operate the snow blower with-  
out proper instruction.  
Warm engines will cause condensation in cold weather. To  
help prevent possible freeze-up of recoil starter and engine  
controls, proceed as follows after each snow removal job.  
1. With engine off, allow engine to cool for several minutes.  
2. Pull starter rope very slowly until resistance is felt, then  
stop. Allow the starter rope to recoil. Repeat three times.  
S Keep the area of operation clear of all persons, partic-  
3. With the engine not running, wipe all snow and moisture  
from the carburetor cover in area of control levers. Also  
move choke knob and starter handle several times.  
ularly small children and pets.  
S Never leave the snow blower unattended while the  
engine is running. Anyone operating the engine or  
equipment must carefully read and understand the  
operating instructions.  
IMPORTANT: After each use of the snow blower, stop the  
engine, remove the safety/ignition key, remove all  
accumulated snow from the snow blower and wipe  
clean. Store the snow blower in a protected area.  
NOTE: Never cover snow blower while engine and  
exhaust area are still warm.  
WARNING: Blockage must be cleared only after  
shutting off the snow blower and only with a  
clean-out tool, not by hand.  
HOW TO CLEAR  
A CLOGGED DISCHARGE CHUTE  
WARNING: Hand contact with the rotating im-  
peller inside the discharge chute is the most  
common cause of injury associated with snow  
blowers. NEVER USE YOUR HAND TO CLEAN OUT  
THE DISCHARGE CHUTE.  
To Clear The Chute:  
S SHUT OFF THE ENGINE!  
S Wait 10 seconds to be sure that the impeller blades  
have stopped rotating.  
S Always use a clean-out tool, not your hands.  
A clean-out tool is attached to either the handle or the top of  
the auger housing (see Figure 19). Use the clean-out tool to  
remove snow from the auger housing.  
Clean-out Tool  
How To Use The Clean-Out Tool  
S
S
S
S
Release the auger drive lever.  
Pull out the safety key.  
Disconnect spark plug wire.  
Do not place your hands in the auger or discharge  
chute. Use a clean-out tool to remove snow or debris.  
Figure 19  
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OPERATION  
OPERATING TIPS  
1. Most efficient snowblowing is accomplished when snow  
is removed immediately after it falls.  
6. After the snowblowing job has been completed, allow the  
engine to idle for a few minutes, to melt snow and ice ac-  
cumulated on the engine.  
2. For complete snow removal, slightly overlap each swath  
previously taken.  
7. Clean the snow thrower thoroughly after each use.  
3. Snow should be discharged downwind whenever pos-  
sible.  
8. Remove ice and snow accumulation and all debris from  
the entire snow thrower, and flush with water (if possible)  
to remove all salt or other chemicals. Wipe snow thrower  
dry.  
4. For normal usage, set the skids one−eighth inch (3 mm)  
below the scraper bar. For extremely hard−packed snow  
surfaces, the skids may be adjusted upward to insure  
cleaning efficiency.  
9. Before starting snow blower, always inspect augers and  
impeller for ice accumulation and/or debris, which could  
result in snow blower damage.  
5. On gravel or crushed rock surfaces, the skids should be  
set at 1−1/4 inch (32 mm) below the scraper bar (see To  
Adjust Skid Height, in the Adjustment/Repair section in  
this manual). Rocks and gravel must not be picked up  
and thrown by the machine.  
10. Check oil level before every start. Make sure the oil is at  
the FULL mark on the oil fill cap/dipstick.  
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SERVICE RECOMMENDATIONS  
SERVICE RECOMMENDATIONS  
FIRST  
2
HOUR  
BEFORE  
EACH  
USE  
EVERY  
5
HOURS  
EVERY  
10  
HOURS  
EVERY  
25  
HOURS  
BEGINNING  
EACH  
SEASON  
BEFORE  
STORAGE  
PROCEDURE  
OFTEN  
S
N
O
W
T
Tighten all screws and nuts  
√
√
√
√
√
Check Traction Clutch  
Cable Adjustment  
(See Cable Adjustment)  
H
R
O
W
E
Check Auger clutch Cable  
Adjustment  
(See Cable Adjustment)  
√
√
R
√
√
Lubricate Chains and  
Hex Shaft  
√
E
N
G
I
Oil, Check  
√
√
N
E
Oil, Change  
√
√
√
The warranty on this snowthrower does not cover items that  
have been subjected to operator abuse or negligence. To re-  
ceive full value from the warranty, operator must maintain  
snowthrower as instructed in this manual. The following Ser-  
vice Recommendations is supplied to assist operator to  
properly maintain snowthrower. This is a check list only. Ad-  
justment referred to will be found in the MAINTENANCE sec-  
tion of this manual.  
AFTER EACH USE  
1. Check for any loose or damaged parts.  
2. Tighten any loose fasteners.  
3. Check and maintain the auger.  
4. After each use, remove all snow and slush off the snow-  
thrower to prevent freezing of auger or controls.  
5. Check controls to make sure they are functioning proper-  
ly.  
6. If any parts are worn or damaged, replace immediately.  
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MAINTENANCE  
Some adjustments will need to be made periodically to  
Remove filler plug (Figure 20), once a year. If grease is  
visible, do not add. If grease is not visible, use a piece of fine  
wire, like a dipstick to check if there is grease in the gear box.  
Mobilux EP1 and Shell Aldania EP1 are suitable equivalents.  
properly maintain your snow blower.  
All adjustments in ADJUSTMENTS/REPAIRS section of this  
manual should be checked at least once each season.  
SNOW BLOWER  
Auger and Traction Drive Belts should be adjusted after the  
first 2 to 4 hours of use, again about mid−season and twice  
each season thereafter (See To Adjust Belts paragraph in the  
Adjustment/Repair section).  
AS REQUIRED  
Auger Gear Box  
Filler  
Plug  
The auger gear box is lubricated at the factory and should not  
require additional lubrication.  
If for some reason the lubricant should leak out, or if the auger  
gear box has been serviced, add Lubriplate GR132 Grease  
or equivalent. Maximum 3−1/4 ounces, (92 grams) should be  
used.  
Figure 20  
LUBRICATION AT STORAGE  
Bearings and bushings  
NOTE: Any greasing or oiling of the above mentioned  
components can cause contamination of the rubber  
friction wheel. If the disc drive plate or friction wheel  
come in contact with grease or oil damage to rubber  
friction wheel will result .  
All bearings and bushings are lifetime lubricated and require  
no maintenance.  
Hex shaft and chains  
For storage, the hex shaft should be wiped with a cloth lightly  
moistened with motor oil to prevent rusting (see Figure 22).  
If grease or oil comes into contact with the disc drive plate or  
friction wheel, make sure to clean plate and wheel thoroughly  
with a alcohol base solvent.  
For storage, the chains should be lubricated with a chain type  
lube. (see Figure 22).  
23  
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MAINTENANCE  
LUBRICATION − EVERY 25 HOURS  
Chute Rotation Gear  
Chute Rotation Gear  
Lubricate the chute rotation gear with automotive type oil.  
(see Figure 21).  
Figure 21  
Chains  
4. Lubricate the chains with a chain type lubricant.  
5. Wipe the hexshaft and sprockets with 5W30 motor oil.  
1. Position speed selector lever in first (1) forward gear.  
2. Stand the snow blower up on the auger housing end.  
NOTE: Clean all excess grease or oil found on the  
rubber friction wheel or the disc drive plate.  
NOTE: When the crank case if filled with oil, do not  
leave the snow blower standing up on the auger  
housing for an extended period of time.  
CAUTION: Do not allow grease or oil to contact the  
rubber friction wheel or the disc drive plate.  
3. Remove the bottom panel.  
6. Install the bottom panel.  
Chain  
Chain  
WARNING: If the disc drive plate  
or rubber friction wheel come in  
contact with grease or oil  
damage to rubber friction wheel  
will result .  
If grease or oil come in contact with  
the disc drive plate or friction wheel,  
make sure to clean the plate and  
wheel thoroughly with a alcohol base  
solvent.  
Hexshaft− wipe with 5W30 motor oil be-  
fore storage and at the beginning of each  
season  
Figure 22  
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MAINTENANCE  
ENGINE  
TEMPERATURE  
TYPE OF OIL  
S.A.E. 5W30  
0
_
F
(
−
1
8
_
C
)
a
n
d
a
b
o
v
e
POWER RATINGS  
0_ F (−18_ C) and below  
synthetic 5W30  
The power ratings for an individual engine model are initially  
developed by starting with SAE (Society of Automotive  
Engineers) code J1940 (Small Engine Power & Torque  
Rating Procedure) (Revision 2002-05). Given both the wide  
array of products on which our engines are placed, and the  
variety of environmental issues applicable to operating the  
equipment, it may be that the engine you have purchased will  
not develop the rated horsepower when used in a piece of  
power equipment (actual “on-site” power). This difference is  
due to a variety of factors including, but not limited to, the  
following: differences in altitude, temperature, barometric  
pressure, humidity, fuel, engine lubrication, maximum  
governed engine speed, individual engine to engine  
variability, design of the particular piece of power equipment,  
the manner in which the engine is operated, engine run-in to  
reduce friction and clean out of combustion chambers,  
adjustments to the valves and carburetor, and other factors.  
The power ratings may also be adjusted based on  
comparisons to other similar engines utilized in similar  
applications, and will therefore not necessarily match the  
values derived using the foregoing codes.  
SAE VISCOSITY GRADES  
5W30  
synthetic 5W30  
_ F  
_ C  
−
20  
0
20  
32  
0
40  
−30  
−20  
−10  
10  
Oil Fill Cap/Dipstick  
FULL  
Check Crankcase Oil Level before starting engine and after  
each 8 hours of continuous use (see Figure 23). Add the  
recommended motor oil as required.  
NOTE: Overfilling the engine can affect performance.  
Tighten the oil fill cap securely to prevent leakage.  
NOTE: Oil level must be at FULL mark.  
Figure 23  
Change Oil every 50 hours of operation or at least once a  
year, even if the snow blower is not used for fifty hours. Use  
a clean, high quality detergent oil. Fill the crank case to FULL  
line on dipstick (see Figure 23). Be sure original container is  
marked: A.P.I. service “SF” or higher. Do not use SAE10W40  
oil (as it may not provide proper lubrication). See Chart for oil  
recommendations.  
Oil Fill cap/Dipstick  
To Drain Oil − Position snow blower so that the oil drain plug  
is lowest point on engine. When the engine is warm, remove  
oil drain plug and oil fill cap and drain oil into a suitable  
container (Figure 24).  
Oil Drain Plug  
Replace oil drain plug and tighten securely. Refill crank case  
with the recommended motor oil.  
Figure 24  
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MAINTENANCE  
HOW TO REMOVE THE SNOW HOOD  
Mounting Screws  
To access the spark plug, the snow hood must be removed  
as follows:  
Snow Hood  
Spark  
Plug  
1. Remove the choke control knob (see Figure 25).  
2. Remove the safety key.  
3. Remove the mounting screws (see Figure 26).  
4. Slowly remove the snow hood. Make sure that the prim-  
er button hose and the ignition wire are not discon-  
nected.  
Ignition  
Wire  
Primer Button  
Hose  
5. The spark plug can now be accessed.  
6. To install the snow hood, first make sure that the primer  
button hose and the ignition wire are connected.  
Figure 26  
7. Mount the snow hood to the engine and secure with the  
mounting screws (see Figure 26).  
Choke Control Knob  
8. Connect the choke control knob with the choke shaft on  
the carburetor (see Figure 27 and Figure 28). Make sure  
the choke control knob is properly installed. If the choke  
control knob is not installed correctly, the choke will not  
operate.  
9. Install the safety key.  
Choke Control  
Knob  
Figure 27  
Choke Shaft  
Safety Key  
Safety Key  
Figure 25  
Carburetor  
Figure 28  
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MAINTENANCE  
WARNING: Always turn unit off, remove igni-  
To adjust skids, proceed as follows:  
tion key and disconnect the spark plug wire be-  
fore making any repairs or adjustments.  
1. Place a block (equal to height from ground desired) un-  
der scraper bar near but not under skid.  
AUGER HOUSING HEIGHT ADJUSTMENT  
TO ADJUST SCRAPER BAR  
After considerable use, the metal scraper bar will have a  
definite wear pattern. The scraper bar in conjunction with the  
skids should always be adjusted to allow one−eighth of an  
inch (3 mm) between the scraper bar and the sidewalk or  
area to be cleaned.  
2. Loosen skid mounting nuts (Figure 29) and push the skid  
down until it touches the ground. Retighten mounting  
nuts.  
3. Set skid on other side at same height.  
NOTE: Make sure that snowthrower is set at same height  
on both sides.  
To adjust the scraper bar, proceed as follows:  
1. Position the snowthrower on a level surface.  
WARNING: Be certain to maintain proper  
ground clearance for your particular area to be  
cleared. Objects such as gravel, rocks or other  
debris, if struck by the impeller, may be thrown with  
sufficient force to cause personal injury, property dam-  
age or damage to the snowthrower.  
2. Loosen the carriage bolts and nuts securing the scraper  
bar to the auger housing.  
3. Adjust the scraper bar to the proper position. Tighten the  
carriage bolts and nuts, insuring that the scraper bar is  
parallel with the working surface.  
4. For extended operation, the scraper bar may be re-  
versed. If the scraper bar must be replaced because of  
wear, remove the carriage bolts and nuts and install a  
new scraper bar.  
Height Adjust Skid  
Skid Mounting Nuts  
TO ADJUST SKID HEIGHT  
This snowthrower is equipped with two height adjust skids,  
secured to the outside of the auger housing. These elevate  
the front of the snowthrower.  
When removing snow from a hard surface area such as a  
paved driveway or walk, adjust the skids up to bring the front  
of the snowthrower down.  
When removing snow from rock or uneven construction,  
raise the front of the snowthrower by moving the skids down.  
This will help to prevent rocks and other debris from being  
picked up and thrown by the augers.  
Figure 29  
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MAINTENANCE  
BELT ADJUSTMENT  
Traction Drive Belt  
The traction drive belt has constant spring pressure and does  
not require an adjustment. If the traction drive belt is slipping,  
replace the belt. See “How To Replace The Belts” in the  
Maintenance section.  
Auger Drive Belt  
If your snowthrower will not discharge snow, check the  
control cable adjustment. If it is correct, then check the  
condition of the auger drive belt. If it is damaged or loose,  
replace it (see Belt Replacement in this section of the  
manual).  
Screw  
1. Disconnect spark plug wire.  
Belt Cover  
2. Remove screw from belt cover. Remove belt cover  
Figure 30  
(see Figure 30).  
3. Loosen nut on auger idler pulley and move auger idler  
pulley towards belt about 1/8 inch (3 mm) (see  
Figure 34).  
Auger  
Drive  
Engine  
Pulley  
4. Tighten nut.  
5. Have someone engage auger drive clutch. Check ten-  
sion on belt (opposite idler pulley). Belt should deflect  
about 1/2 inch (12.5 mm) with moderate pressure  
Figure 31). You may have to move idler pulley more than  
once to obtain the correct tension.  
1/2 inch  
(12.5mm)  
Deflection  
Idler  
Pulley  
Engaged  
6. Reinstall belt cover.  
Impeller  
Pulley  
7. Whenever belts are adjusted or replaced, the cables will  
need to be adjusted. (See Cable Adjustment in this sec-  
tion of the manual).  
Figure 31  
8. Attach the spark plug wire.  
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MAINTENANCE  
HOW TO REPLACE THE BELTS  
The drive belts are of special construction and must be  
replaced with original factory replacement belts available  
from your nearest authorized service center.  
16. Install the belt cover. Tighten screw (See Figure 30).  
17. Check the adjustment of the cables. See “How To Check  
And Adjust The Cables” in the Maintenance section.  
Some steps require the assistance of a second person.  
18. Install the bottom panel (see Figure 32).  
19. Tighten the bolts on each side of the bottom panel.  
20. Connect the spark plug wire.  
How To Remove the Auger Drive Belt  
If the auger drive belt is damaged, the snow thrower will not  
discharge snow. Replace the damaged belt as follows.  
1. Disconnect the spark plug wire.  
2. Loosen the bolts on each side of the bottom panel (see  
Bolt  
Figure 32).  
Bottom Panel  
3. Remove the bottom panel.  
4. Remove screw from belt cover. Remove the belt cover  
(see Figure 30).  
Auger Housing  
5. Loosen the belt guide. Pull the belt guide away from the  
auger drive pulley (see Figure 34).  
6. Pull the idler pulley away from the auger drive belt and  
slip the auger drive belt off of the idler pulley.  
Bolt  
7. Remove the auger drive belt from the engine pulley. To  
remove the auger drive belt, the engine pulley may  
have to be partially rotated.  
Figure 32  
8. Remove the top four bolts that hold together the auger  
housing and the motor box. Loosen the bottom two  
bolts. The auger housing and the motor box can now  
be split apart for removal of the belt (see Figure 33).  
9. Remove the old auger drive belt from the auger drive  
pulley . Replace the auger drive belt with an original  
factory replacement belt available from an authorized  
service center (see Figure 34).  
10. Install the new auger drive belt onto the auger drive  
pulley.  
NOTE: To assemble the auger housing to the mo-  
tor box, have someone hold the auger clutch lever  
in the ENGAGED position. This will move the idler  
arm and pulley enough to allow the auger drive  
pulley to move back into position.  
Remove  
Bolts  
11. Assemble the auger housing to the motor box with the  
four bolts that were removed in step 8. Tighten the bot-  
tom two bolts.  
Loosen  
Bolts  
12. Install the auger drive belt onto the engine pulley.  
13. Slip the auger drive belt under the idler pulley.  
Motor Box  
Auger  
Housing  
14. Adjust the auger drive belt. See “How To Adjust The Au-  
Figure 33  
ger Drive Belt” in the Maintenance section.  
15. Adjust the belt guide. See “How To Adjust The Belt  
Guide” in the Maintenance section.  
MTF−051055L  
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MAINTENANCE  
Traction Drive Belt  
Engine Pulley  
Belt Guide  
Auger Drive Pulley  
Auger Drive Belt  
Traction Drive Idler Pulley  
Idler Pulley  
Traction Drive Spring  
Traction Drive Belt  
E−Ring  
Traction Drive Pulley  
Swing Plate Axle Rod  
Engine Pulley  
Figure 34  
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MAINTENANCE  
How To Remove the Traction Drive Belt  
If the snow thrower will not move forward, check the traction  
drive belt for wear or damage. If the traction drive belt is worn  
or damaged, replace the belt as follows.  
11. Install and adjust the auger drive belt. See “How To Re-  
move The Auger Drive Belt” in the Maintenance section.  
12. Adjust the belt guide. See “How To Adjust The Belt  
1. Disconnect the spark plug wire.  
Guide” in the Maintenance section.  
2. Remove the auger drive belt. See “How To Remove The  
Auger Drive Belt” in the Maintenance section.  
13. Install the bottom panel (see Figure 32).  
14. Tighten the bolts on each side of the bottom panel.  
15. Install the belt cover. Tighten screw (see Figure 30).  
3. Remove the e−ring from one end of the swing plate  
axle rod. Remove the swing plate axle rod to allow the  
the swing plate to pivot forward (see Figure 34).  
4. Remove the traction drive spring.  
16. Check the adjustment of the cables. See “How To Check  
And Adjust The Cables” in the Maintenance section.  
5. Remove the old traction drive belt from the traction  
drive pulley and from the engine pulley. Replace the  
traction drive belt with an original factory replacement  
belt available from an authorized service center.  
17. Connect the spark plug wire.  
6. Install the new traction drive belt onto the traction  
drive pulley and onto engine pulley.  
7. Make sure the traction drive idler pulley is properly  
aligned with the traction drive belt.  
8. Attach the traction drive spring.  
9. Install the swing plate axle rod and secure with the e−  
ring removed earlier.  
10. The bottom of the swing plate must be positioned be-  
tween the alignment tabs. Make sure the swing plate  
is properly secured (see Figure 35).  
Swing Plate  
NOTE: If the drive will not engage after the traction  
drive belt has been replaced, then check to make  
sure that the swing plate is positioned between the  
alignment tabs.  
Alignment Tabs  
Figure 35  
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MAINTENANCE  
BELT GUIDE ADJUSTMENT  
1. Remove spark plug wire.  
Belt Guide  
2. Have someone engage auger drive.  
1/8 Inch (3.175 mm)  
3. Measure the distance between the belt guide and belt.  
The distance should be 1/8 inch (3.175 mm) for guide.  
See Figure 36.  
Auger Idler  
Pulley Engaged  
4. If adjustment is necessary, loosen belt guide mounting  
bolt. Move belt guide to the correct position. Tighten  
mounting bolt.  
5. Reinstall belt cover.  
Figure 36  
6. Reconnect spark plug wire.  
HOW TO CHECK AND ADJUST THE CABLES  
The cables are adjusted at the factory and no adjustment  
should be necessary. If the cables have become stretched  
or are sagging adjustment will be necessary.  
Whenever belts are adjusted or replaced, the cables will  
need to be adjusted.  
To check for correct adjustment, unhook “Z” fitting at  
clutch lever (see Figure 37).  
Control lever  
must be in full  
forward position  
when checking  
cable length.  
1. Move clutch lever to the full forward position. Holding  
cable tight, note position of fitting to hole in clutch lever.  
2. The center of the “Z” fitting should be between the center  
and top of the hole in the clutch lever. Adjust either the  
auger drive cable or the traction drive cable as follows.  
Figure 37  
Auger Drive Cable Adjustment  
Square  
End  
WARNING: Drain the gasoline outdoors, away  
from fire or flame.  
1. Remove the gas from the gas tank. Stand the snow  
thrower up on the front end of the auger housing.  
Cable  
Spring  
2. Push cable through spring to expose the threaded por-  
tion of the cable (see Figure 38).  
Locknut  
3. Hold square end of threaded portion with pliers and ad-  
just locknut in or out until correct adjustment is reached.  
Figure 38  
Pull cable back through spring and connect cable.  
MTF−051055L  
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MAINTENANCE  
Traction Drive Cable Adjustment  
Bolt  
WARNING: Drain the gasoline outdoors, away  
from fire or flame.  
Bottom Panel  
Auger Housing  
1. Remove the gas from the gas tank. Stand the snow  
thrower up on the front end of the auger housing.  
2. Loosen the bolts on each side of the bottom panel (see  
Figure 39).  
Bolt  
3. Remove the bottom panel.  
Figure 39  
4. Disconnect the “Z” fitting from the drive lever (see  
Figure 37).  
5. Slide the cable boot off the cable adjustment bracket  
(see Figure 40).  
6. Push the bottom of the traction drive cable through the  
cable adjustment bracket until the “Z” hook can be re-  
moved.  
Traction Drive Cable  
Cable Boot  
7. Remove the “Z” hook from the cable adjustment  
bracket. Move the “Z” hook down to the next adjust-  
ment hole.  
“Z” Hook  
Figure 40  
8. Pull the traction drive cable up through the cable ad-  
Cable Adjustment Bracket  
justment bracket.  
9. Put the cable boot over the cable adjustment bracket.  
10. Install the “Z” hook to the traction drive lever (see  
Figure 37).  
11. To check the adjustment, depress the drive lever and  
check the length of the drive spring (see Figure 41). In  
correct adjustment, the length of the drive spring is  
minimum 3 inches (76 mm.)  
“A”  
maximum 3-3/8 inches (85 mm.).  
12. Install the bottom panel (see Figure 39).  
13. Tighten the bolts on each side of the bottom panel.  
Drive Spring  
Figure 41  
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MAINTENANCE  
5. Install the bottom panel (see Figure 42).  
HOW TO ADJUST OR REPLACE  
THE FRICTION WHEEL  
6. Tighten the bolts on each side of the bottom panel.  
How To Check The Friction Wheel  
If the snow thrower will not move forward, check the traction  
drive belt, the traction drive cable or the friction wheel. If the  
friction wheel is worn or damaged, it must be replaced. See  
“How To Replace the Friction Wheel” in this section. If the  
friction wheel is not worn or damaged, check as follows.  
Bolt  
Bottom Panel  
1. Remove the gas from the gas tank. Stand the snow  
thrower up on the front end of the auger housing (see  
Figure 42).  
Auger Housing  
WARNING: Drain the gasoline outdoors, away  
from fire or flame.  
Bolt  
Figure 42  
2. Disconnect the spark plug wire.  
3. Loosen the bolts on each side of the bottom panel (see  
Figure 42).  
4. Remove the bottom panel.  
5. Position the shift speed lever in the lowest forward  
speed.  
6. Note the position of the friction wheel (see Figure 43).  
The correct distance “A” from the right side of the fric-  
tion wheel to the outside of the motorbox is as follows:  
“A”  
Tire Size  
Distance “A”  
12 and 13 inch  
16 inch  
4-1/8” (10.5 cm.)  
4-5/16” (10.95 cm.)  
Figure 43  
If the friction wheel is not in the correct position, adjust  
as follows.  
Speed Control Rod  
Loosen Bolts  
How To Adjust The Friction Wheel  
1. Position the shift speed lever in the lowest forward  
speed.  
2. Loosen the bolts on the speed control rod (see  
Figure 44).  
3. Move the friction wheel to the correct position (see  
Figure 43).  
4. Tighten the bolts on the speed control rod (see  
Figure 44).  
MTF−051055L  
Figure 44  
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MAINTENANCE  
How To Replace The Friction Wheel  
If the friction wheel is worn or damaged, the snow thrower will  
not move forward. The friction wheel must be replaced as  
follows.  
Drive  
Sprocket  
Axle  
1. Remove the gas from the gas tank. Stand the snow  
thrower up on the front end of the auger housing (4).  
(see Figure 42).  
WARNING: Drain the gasoline outdoors, away  
from fire or flame.  
2. Disconnect the spark plug wire.  
Chain  
3. Remove the fasteners that secure the left wheel. Re-  
move the left wheel from the axle (see Figure 45)  
Figure 46  
4. Loosen the bolts on each side of the bottom panel.  
5. Remove the bottom panel.  
8. Remove the four bolts that hold the bearings on each  
side of the hex shaft (see Figure 47).  
9. Remove the hex shaft and bearings.  
NOTE: Take special note of the position of the  
washers on the hex shaft.  
Axle  
Bolt  
Bearings  
Hex Shaft  
Bottom  
Panel  
Bolts  
Bolt  
Bolts  
Figure 45  
Wheel  
6. Remove the fasteners that secure the drive sprocket to  
the axle (see Figure 46).  
Figure 47  
7. Remove the right wheel, axle, and drive sprocket.  
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MAINTENANCE  
10. Remove the three fasteners that hold the friction wheel  
to the hub (see Figure 48).  
11. Remove the friction wheel from the hub. Slip the fric-  
tion wheel off the hex shaft.  
Washer  
12. Assemble the new friction wheel onto hub with the fas-  
Bearings  
teners removed earlier.  
Hex Shaft  
Actuator Arms  
Bearings  
Fasteners  
Friction  
Wheel  
Hub  
Washer  
Washer  
Washer  
Figure 49  
Hex Shaft  
15. Install the right wheel, axle, and drive sprocket with the  
fasteners removed earlier. Install the chain onto the  
drive sprocket (see Figure 46).  
16. Check the adjustment of the friction wheel. See “How To  
Adjust The Friction Wheel” in this section.  
Fasteners  
Figure 48  
17. Make sure the friction wheel and the disc drive plate are  
free from grease or oil.  
13. Install the hex shaft and bearings with the four bolts re-  
18. Install the bottom panel (see Figure 45).  
moved earlier (see Figure 49).  
19. Tighten the bolts on each side of the bottom panel.  
Make sure the washers are properly installed in the  
original position. Also, make sure the two washers  
are properly aligned with the actuator arms.  
20. Install the left wheel to the axle with the fasteners re-  
moved earlier.  
14. Make sure the hex shaft turns freely.  
21. Connect the spark plug wire.  
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MAINTENANCE  
AUGER SHEAR BOLT REPLACEMENT  
The augers are secured to the auger shaft with special bolts  
that are designed to break if an object becomes lodged in the  
auger housing. Use of a harder bolt will reduce the protection  
provided by the shear bolt. To replace a broken shear bolt,  
proceed as follows:  
Shear Pin  
WARNING: To insure safety and performance  
levels, only original replacement shear bolts  
should be used.  
Spacer  
1. Move throttle to STOP, disengage all controls, discon-  
nect the spark plug lead wire, and insure all moving parts  
have stopped.  
2. Align the hole in the auger with the hole in the auger shaft.  
Install new shear bolt, spacer and locknut found in the  
toolbox located on the belt cover (See Figure 50).  
Locknut  
Figure 50  
NOTE: The spacer fits into the larger hole in the auger  
tube.  
TO ADJUST OR REPLACE THE SPARK PLUG  
Check the spark plug every twenty−five (25) hours. Re-  
place the spark plug if the electrodes are pitted or burned  
or if the porcelain is cracked.  
7. Tighten plug firmly into engine. If torque wrench is avail-  
able, torque plug to 18−23 ft−lbs.  
1. Clean spark plug and reset gap periodically.  
2. Clean area around spark plug base before removal, to  
prevent dirt from entering engine.  
3. Replace spark plug if electrodes are pitted or burned or  
if porcelain is cracked.  
.030” (0.76 mm) Gap  
4. Clean spark plug by carefully scraping electrodes (do not  
sandblast or use wire brush).  
5. Be sure spark plug is clean and free of foreign material.  
Check electrodes gap with a wire feeler gauge and reset  
gap to 0.030” (0.76 mm) if necessary. If a new spark plug  
is needed, refer to Engine Repair Parts section of this  
manual for proper replacement spark plug.  
Figure 51  
6. Before installing spark plug, coat threads lightly with  
graphite grease to insure easy removal.  
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STORAGE  
4. Thoroughly clean the snowthrower.  
OFF SEASON STORAGE  
5. Lubricate all lubrication points (see “Lubrication“ in the  
Maintenance section).  
WARNING: Never store the engine, with fuel in  
the tank, indoors or in a poor ventilated enclo-  
sure where fuel fumes could reach an open  
flame, spark or pilot light as on a furnace, water heater,  
clothes dryer, etc.  
Handle gasoline carefully. It is highly flammable and  
careless use could result In serious fire damage to your  
person and /or property.  
6. Insure that all nuts, bolts, and screws are securely fas-  
tened. Inspect all visible moving parts for damage,  
breakage, and wear. Replace if necessary.  
7. Touch up all rusted or chipped paint surfaces; sand lightly  
before painting.  
Drain fuel into approved containers outdoors, away  
from open flame.  
8. Cover the bare metal parts of the snowthrower housing  
auger, and the impeller with rust preventative.  
If the snowthrower is to be stored for thirty (30) days or more  
at the end of the snow season, the following steps are  
recommended to prepare your snowthrower for storage.  
9. If possible, store your snowthrower indoors and cover it  
to give protection from dust and dirt.  
NOTE: Gasoline must be removed or treated to prevent  
gum deposits from forming in the tank, filter, hose, and  
carburetor during storage.  
10. On models with folding handles, loosen the knobs that  
secure the upper handle. Rotate the upper handle back.  
11. If the machine must be stored outdoors, block up the s-  
nowthrower and insure the entire machine is off the  
ground. Cover the snowthrower with a heavy tarpaulin.  
1. To remove gasoline, run engine until tank is empty and  
engine stops.  
If you do not want to remove the gasoline, add fuel stabilizer  
to any gasoline left in the tank to minimize gum deposits and  
acids. If the tank is almost empty, mix stabilizer with fresh  
gasoline in a separate container and add some to the tank.  
ALWAYS FOLLOW INSTRUCTIONS ON STABILIZER  
CONTAINER. THEN RUN ENGINE AT LEAST 10 MINUTES  
AFTER STABILIZER IS ADDED TO ALLOW MIXTURE TO  
REACH CARBURETOR. STORE SNOWTHROWER IN  
SAFE PLACE.  
REMOVING THE SNOWTHROWER FROM  
STORAGE  
When removing the snowthrower from storage, follow the  
steps below.  
1. Put the upper handle in the operating position, tighten the  
knobs that secure the upper handle.  
2. You can help keep your engine (4−cycles only) in good  
2. Fill the fuel tank with a fresh fuel.  
operating condition by changing oil before storage.  
3. Check the spark plug. Make sure the gap is correct. If the  
spark plug is worn or damaged, replace before using.  
3. Lubricating the piston/cylinder area. This can be done by  
first removing the spark plug and squirting clean engine  
oil into the spark plug hole. Then cover the spark plug  
hole with a rag to absorb oil spray. Next, rotate the engine  
by pulling the starter two or three times. Finally, reinstall  
spark plug and attach spark plug wire.  
4. Make sure all fasteners are tight.  
5. Make sure all guards, shields, and covers are in place.  
6. Make sure all adjustments are correct.  
38  
MTF−051055L  
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TROUBLE SHOOTING CHART  
PROBLEM  
LOOK FOR  
REMEDY  
Difficult starting  
Defective spark plug.  
Replace defective spark plug.  
Clean fuel line.  
Engine runs erratically Blocked fuel line.  
Empty gas tank.  
Check fuel supply,  
Stale gasoline.  
Add fresh gasoline with fuel stabilizer.  
Water or dirt in fuel system.  
Remove carburetor bowl to drain fuel tank. Refill  
with fresh fuel. CAUTION: Do not remove  
carburetor bowl when the engine is hot.  
Engine stalls  
Unit running on CHOKE.  
Set choke lever to RUN position.  
Loss of power  
Gas cap vent hole is plugged.  
Remove ice and snow from cap. Be sure vent  
hole is clear.  
Excessive vibration  
Loose parts or damaged impeller.  
Drive belt loose or damaged.  
Stop engine immediately and remove spark plug  
wire. Tighten all bolts and make all necessary  
repairs. If vibration continues, have the unit  
serviced by a competent repairman.  
Unit fails to propel  
itself  
Replace drive belt. Refer to Drive Belt  
Replacement in the Maintenance section of this  
manual.  
Incorrect adjustment of traction drive  
cable.  
Adjust traction drive cable. Refer to Cable  
Adjustment in the Maintenance section of this  
manual.  
Worn or damaged friction disc.  
Replace friction disc. Refer to Friction Wheel  
Replacement in the Maintenance section of this  
manual.  
Unit fails to discharge  
snow  
Auger drive belt loose or damaged.  
Replace or adjust auger drive belt. Refer to Drive  
Belt Replacement and Drive Belt Adjustment in  
the Maintenance section of this manual.  
Auger control cable not adjusted  
correctly.  
Adjust auger control cable. Refer to Cable  
Adjustment in the Maintenance section of this  
manual.  
Broken shear bolt.  
Replace shear bolt. Refer to Auger Shear Bolt  
Replacement in the Maintenance section of this  
manual.  
Discharge chute clogged.  
Stop engine immediately and disconnect spark  
plug wire. Refer to the first Warning in  
Snowthrower Operation in the Operation  
section of this manual. Clean discharge chute  
and inside of auger housing.  
Foreign object lodged in auger.  
Stop engine immediately and disconnect spark  
plug wire. Refer to the third Warning in  
Snowthrower Operation in the Operation  
section of this manual. Remove object from  
auger.  
Identifying Your Snowthrower  
Your new Snowthrower has two (2) identifying numbers: (1) unit model number: (2) unit serial number. The two preceding  
numbers are required to insure that the proper replacement parts are obtained when required. If you have any questions  
concerning parts, service, or technical data, contact your nearest John Deere/Frontier dealer.  
For complete warranty information refer to the warranty in the Owner’s Information section of this manual.  
39  
MTF−051055L  
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REPLACEMENT PARTS  
WE RECOMMEND JOHN DEERE/FRONTIER quality  
parts and lubricants available at your John Deere/Frontier  
dealer.  
PART NUMBERS MAY CHANGE. When you order re-  
placement parts, use the part numbers listed below and on  
the following pages. If a part number changes, your John  
Deere/Frontier dealer will have the latest part number.  
WHEN YOU ORDER PARTS, your John Deere/Frontier  
dealer must have your snowthrower model and serial num-  
ber and your engine model number. This is the model and  
serial number that you recorded in the “Owner’s Informa-  
tion” section of this Owner’s Manual.  
QUICK REFERENCE PART NUMBERS  
The following is a list of replacement parts that you may  
need for routine service and maintenance. If you do not  
see the replacement part you need in the following chart,  
then check the full list of replacement part illustrations fol-  
lowing this page.  
ITEM  
PART NUMBER *  
MT579932  
Belt, Drive  
Belt, Auger  
MT37x120  
Scraper Blade  
Spark Plug  
MT581397E701  
Champion RC12YC  
* Part Numbers are subject to change without notice.  
40  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
ENGINE  
27  
26  
1
2
28  
16  
17  
20  
18  
22  
12  
5
24  
25−2  
13  
6
14  
7
10  
15  
25−1  
25−4  
11  
4
25−3  
8
25−2  
9
Ref.Drive Page  
Ref. Auger  
Housing Page  
3
Key No. Part No.  
Description  
CORD, STARTER  
ENGINE  
BOLT, CARRIAGE  
RETAINER, PUSH  
NUT  
Key No. Part No.  
Description  
SPRING, IDLER TRACTION DRIVE  
PULLEY, IDLER  
NUT, JAM 3/8−16  
GUIDE, ROD BELT  
WASHER  
1
MT6219  
16  
17  
18  
MT53704  
MT1502120  
MT590  
2
− − − − −  
3
MT002x97  
MT028x76  
MT710026  
MT1501109  
MT17x170  
MT71063  
20  
MT1501201  
MT71060  
− − − − − −  
4
22  
5
25  
FRAME ASSEMBLY  
6
PULLEY, ENGINE  
WASHER  
25−1  
25−2  
25−3  
25−4  
26  
MT1501062E511 PLATE, ENGINE  
7
MT310169  
MT25x020  
SCREW  
SCREW  
8
WASHER  
9
MT001x20  
MT579932  
MT37x120  
MT1501112 YZ  
MT1501065  
MT71060  
SCREW  
MT1501050E511 MOTOR BOX  
10  
11  
12  
13  
14  
15  
BELT, DRIVE V 4L  
BELT, AUGER V 3L  
BRACKET ASSEMBLY, IDLER  
BUSHING, IDLER BRACKET  
WASHER, SPLIT  
SCREW 5/16−24 X .75  
MT1501214  
MT226462  
MT810140  
F−051055L  
KEY, BRIGGS ENGINE  
27  
DEFLECTOR, MUFFLER  
SCREW  
28  
−−  
OWNER’S MANUAL  
MT710097  
41  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
GEAR CASE  
340  
341  
327  
304  
326  
323  
324  
325  
306  
322  
311  
312  
321  
324  
304  
301  
310  
303  
316  
312  
300  
310  
320  
313  
315  
314  
311  
303  
Key No. Part No.  
Description  
300  
301  
303  
304  
306  
310  
311  
312  
313  
314  
315  
316  
320  
321  
322  
323  
324  
325  
326  
327  
340  
341  
*
MT10577  
MT10576  
MT710025  
MT15X143  
MT9344  
CASE, GEAR, RH  
CASE, GEAR, LH  
SCREW,1/4−20X.75  
NUT,1/4−20  
SCREW, 3/8−16X.50  
SEAL, OIL  
MT9566  
MT50304  
MT48275  
MT340286  
MT51279  
MT51405  
MT431787  
MT50221  
MT1501128  
MT580295  
MT454565  
MT48275  
MT50684  
MT50304  
MT9566  
BEARING, FL  
WASHER, FLAT  
SHAFT, AUGER OUTPUT  
GASKET, GEAR BOX  
GEAR, WORM  
KEY, WOODRUFF #61  
BRNG, FL  
SHAFT, AUGER INPUT (IMPELLER)  
COLLAR, THRUST  
PIN, SPRING  
WASHER, FLAT  
BRNG, ROLL  
BRNG, FL  
SEAL, OIL  
IMPELLER  
PIN, SPRING  
MT760194E701  
MT454565  
MT333431  
10oz TUBE LUBRIPLATE  
* (NOT ILLUSTRATED)  
42  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
FRAME  
169  
160  
162  
167  
106  
105  
108  
111  
Ref. Engine Page  
167  
Ref. Auger  
Housing Page  
162  
Ref. Drive  
Page  
91  
122  
123  
123  
110  
148  
90  
91  
168  
103  
107  
149  
43  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
FRAME  
Key No. Part No.  
Description  
90  
MT1501055E701 COVER, BOTTOM  
91  
MT310169  
MT1501111 YZ  
MT711682  
MT761761  
MT165x160  
MT761675 YZ  
MT585781  
MT711617  
MT25x021  
MT25x020  
MT1502120  
MT590  
SCREW, 1/4−20X .63  
IDLER ASSEMBLY, AUGER  
PIN, HAIR .38DIAX1.64LG  
PIN, CLEVIS 3/16” DIA  
SPRING, TENSION  
ASSY., SPRING ATTACH  
BOLT, 3/8−16X1.25 CARR.  
WASHER, FLAT  
103  
105  
106  
107  
108  
110  
111  
122  
123  
148  
149  
160  
162  
167  
168  
169  
SCREW, TAP 5/16−18 X .75  
SCREW, TAP 5/16−18 X .50  
PULLEY, IDLER  
NUT, JAM 3/8−16  
MT1502167  
MT26x306  
MT71067  
COVER, BELT  
SCREW, TAP  
WASHER, FLAT  
MT1502041  
MT760539  
SPACER, AUGER BRACKET  
LID, TOOL BOX  
44  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
DRIVE  
229  
Ref. Shift Yoke Page  
Ref. Frame Page  
Ref. Wheel  
Page  
200  
221  
225  
223  
226  
Ref. Wheel Page  
206  
227  
201  
229  
234  
234  
232  
236  
203  
204  
204  
203  
230  
215  
238  
220  
218  
Ref. Wheel  
Page  
207  
215  
213  
Ref.  
Wheel Page  
213  
210  
238  
220  
208  
212  
217  
218  
213  
45  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
DRIVE  
Key No. Part No.  
Description  
200  
201  
203  
204  
206  
207  
208  
210  
212  
213  
215  
217  
218  
220  
221  
223  
225  
226  
227  
229  
230  
232  
234  
236  
238  
MT1501092 YZ  
LF AXLE, SWING PLATE YZ  
CHAIN, ROLLER #420x19.00  
BEARING AND RETAINER, ASSY  
WASHER  
MT579851  
MT334163  
MT579858  
MT25x020  
MT1501100  
MT579868  
MT337029  
MT1501435  
MT001x38  
MT303008  
MT579859  
MT579858  
MT334163  
MT25x020  
MT1501115  
MT1501057 YZ  
MT1501158  
MT15X114  
MT11X30  
SCREW, TAP 5/16−18x0.5  
ASSY, HEX SHAFT  
CHAIN, ROLLER #420x18.00 LG  
BEARING, TRUNION CLUTCH R  
WHEEL, FRICTION DISC  
BOLT  
NUT, KEPS HEX 1/4−20  
RING, RETEXT  
WASHER  
BEARING AND RETAINER, ASSY  
SCREW, TAP 5/16−18 x .5  
FRICTION PULLY  
LF PLATE, SWINGING YZ  
SPACER, FRICTION PULLEY  
NUT, FLANGE LOCK 3/8−24  
RETAINER, RING  
MT1502105 YZ  
MT11X30  
LF ASSY, SPRING LINK YZ  
RETAINER, RING  
MT165X112  
MT1501090  
MT71074  
SPRING, EXTENSION  
SPROCKET 33/7  
WASHER, FLAT  
46  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
AUGER HOUSING  
550  
552  
551  
554  
553  
481  
482  
499  
490  
500  
527  
480  
485  
522  
523  
491  
511  
525  
493  
541  
526  
522  
523  
527  
520  
524  
Ref. Gear Case Page  
540  
544  
521  
524  
526  
525  
510  
514  
47  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
AUGER HOUSING  
Key No. Part No.  
Description  
480  
481  
482  
485  
490  
491  
493  
499  
500  
510  
511  
514  
520  
521  
522  
523  
524  
525  
526  
527  
540  
541  
544  
MT762146  
MT577400  
MT2001022  
MT1501158  
MT582957 YZ  
MT1501389  
MT001x92  
MT710026  
PULLEY, 4L 6.12X .67  
SCREW, 5/16−18X.63  
KEY, SQUARE 3/16 X 3/4  
SPACER, FRICTION PULLEY  
RETAINER, BALL BRNG  
BEARING, BALL  
BOLT, HEX 5/16−18X .50  
NUT, 5/16−18 HEXWDFLLK  
MT1501585E511 HOUSING, ASSY  
MT581397E701  
MT001x45  
BLADE, SCRAPER  
BOLT, 1/4−20X.62  
NUT, 1/4−20  
MT780285  
MT1501209E701 AUGER, ASSY, LH  
MT1501210E701 AUGER, ASSY, RH  
MT9524  
MT3943  
MT73826  
MT9517  
MT711862  
MT9357  
SCREW, 1/4−20X1.75  
SPACER, SLEEVE  
NUT, 1/4−20  
BEARING,FLANGE  
NUT, 5/16−18  
SCREW, 5/16−18X .75  
MT1502079E701 SKID, HEIGHT ADJUST  
MT340720  
MT710026  
BOLT, 5/16−18 X .75  
NUT, 5/16−18  
550  
551  
552  
553  
554  
− −  
MT1501576  
MT1501672  
MT06x115  
MT15x146  
MT578063  
MT1501216  
BRUSH, CLEANOUT  
CLIP, RETAINER  
SCREW  
NUT  
BLOCK  
KIT, SHEAR BOLT  
48  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
HANDLE ASSEMBLY  
730  
720  
731  
736  
737  
733  
734  
740  
741  
725  
728  
727  
724  
757  
756  
746  
750  
726  
727  
726  
746  
755  
751  
743  
744  
745  
763  
760  
759  
745  
762  
49  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
HANDLE ASSEMBLY  
Key No. Part No.  
Description  
720  
724  
725  
726  
727  
728  
730  
731  
733  
734  
735  
736  
737  
740  
741  
743  
744  
745  
746  
MT321838E701  
HANDLE  
MT11234  
MT71071  
MT71060  
MT15x144  
MT11261  
MT302557  
MT302558  
MT12621 YZ  
MT3535  
SCREW  
WASHER, FLAT  
WASHER, SPLIT  
NUT  
PLASTIC−STOP  
CLUTCH, LEFT HANDLE CONTROL  
CLUTCH, RIGHT HANDLE CONTROL  
ROD, PIVOT HANDLE  
PUSH ON CAP  
MT1502080E701 PLATE, CABLE PIVOT  
MT303108  
MT73826  
MT1501123  
MT761872  
MT313441  
MT1673  
SCREW  
NUT  
CABLE, CLUTCH  
CABLE, AUGER CLUTCH  
BRKT, CABLE ADJUST  
SPRING, AUGER CLUTCH  
LOCKNUT  
MT15x145  
MT308146  
BOOT, CLUTCH SPRING  
750  
751  
752  
755  
756  
757  
759  
760  
762  
763  
MT339541E701  
MT25x021  
HANDLE, LOWER  
SCREW 5/16−18 x 0.75  
WASHER  
MT71060  
MT337407E701  
MT6751  
BRACKET, GEAR SELECTOR  
SCREW 5/16−18 x 2  
MT310169  
SCREW, 1/4−20 x 0.63  
SPOOL−CABLE, AUGRT CLUTCH  
BRACKET, CABLE SPOOL YZ  
CABLE, LOWER DRIVE 12”  
BOLT, HEX 1/4−20 x 1.50 YZ  
MT579860  
MT1501059 YZ  
MT1501122  
MT001798  
50  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
SHIFT YOKE  
796  
790  
792  
801  
791  
800  
814  
813  
802  
812  
Key No.  
790  
Part No.  
Description  
MT762299E701  
MT302628  
MT73826  
ROD, SHIFT  
791  
SCREW, 1/4−20X.75  
NUT, 1/4−20  
792  
796  
MT331624  
MT760564  
MT302628  
MT73826  
GRIP  
800  
LEVER, SPRING  
SCREW, 1/4−20X.75  
NUT, 1/4−20  
801  
802  
811  
MT579944  
MT1501085 YZ  
MT11x30  
BEARING, FLANGED  
ROD ASSY., SPEED SELECT  
RETAINER, RING  
812  
813  
51  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
DISCHARGE CHUTE  
596  
598  
600  
600  
597  
583  
584  
599  
582  
600  
602  
610  
603  
601  
609  
606  
609  
611  
607  
607  
Ref. Auger Housing Page  
Key No. Part No.  
Description  
SCREW, 5/16−18 X 1.00  
WASHER, FLAT  
NUT, 5/16−18  
582  
583  
584  
596  
597  
598  
599  
600  
601  
602  
603  
606  
607  
609  
610  
611  
MT2x100  
MT71071  
MT71038  
MT71071  
MT1501260  
MT15x144  
MT002x97  
MT762222  
MT2x100  
MT71071  
MT71038  
WASHER  
KNOB, T 3.00  
NUT, 5/16−18  
BOLT, 5/16−18 X1.50  
CHUTE ASSEMBLY  
BOLT, 5/16−18 X 1.00  
WASHER, FLAT  
NUT, 5/16−18  
MT1501932 YZ CHUTE COLLAR  
MT02x101  
MT15x145  
MT337227  
MT1501282  
SCREW, 1/4−20 X 0.75  
NUT, 1/4−20 HEX NYLOCK  
RETAINER RING INNER  
RETAINER RING OUTER  
52  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
CHUTE ROD  
856  
855  
854  
855  
Ref. Handle Assy  
860  
863  
861  
870  
864  
864  
867  
852−9  
852−5  
852−8  
852−13  
852−10  
Ref. Auger Housing Assy  
852−11  
868  
852−1  
852−2  
852−6  
869  
852−4  
852−7  
852−3  
Key No. Part No.  
Description  
Key No. Part No.  
Description  
852−1  
852−2  
852−3  
852−4  
852−5  
852−6  
852−7  
852−8  
852−9  
852−10  
852−11  
852−13  
MT1501533 YZ  
ASSEMBLY, YOKE & ROD  
SPRING, COMPRESSION  
GEAR, CHUTE ROTATION 9T  
WASHER  
854  
855  
856  
860  
861  
863  
864  
867  
868  
869  
870  
MT51443  
MT309312  
MT73664  
MT581618  
MT148  
KNOB, SLEEVE  
MT164x37  
MT1501067  
MT17x170  
MT579493  
FLATWASHER  
NUT, PUSH ON 3/8”  
EYE BOLT 3/8−16X6.00  
GROMMET, EYE BOLT  
NUT, 3/8−16 HEXJAM  
FLATWASHER .406X.81X.066  
NUT, 3/8−16 HEXNYL  
BOLT, CARRIAGE 1/4−20 X 1.00  
NUT  
PIN, COTTER  
MT71045  
MT71072  
MT71046  
MT002X98  
MT15X145  
MT1501074 YZ  
MT1501306E701 BRACKET, GEAR MOUNT  
MT1501293  
MT1501075 YZ  
MT711682  
PIN, HAIR  
ASSEMBLY, YOKE ADAPTER YZ  
PIN, HAIR  
MT578060  
MT578309  
MT578063  
PIN, UNIVERSAL JOINT  
PIN, CLEVIS  
CRANK, ASSY CHUTE  
HOUSING, UNIVERSAL  
53  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
WHEELS  
679  
678  
673  
675  
671  
654  
678  
650  
655  
652  
676  
Ref. Drive Page  
655  
671  
673  
653  
680  
677  
Key No. Part No.  
Description  
650  
652  
653  
654  
655  
671  
673  
675  
676  
677  
678  
679  
680  
MT1501562  
MT1501089  
MT01x193  
MT15x145  
MT1501114  
MT017x83  
MT1501139  
MT1501822  
MT577015  
MT15X145  
MT239  
SHAFT, AXLE  
SPRKT & HUB  
SCREW, 1/4−20 x 1.75  
NUT, 1/4−20 HEX NYLOCK  
BEARING, AXLE  
FLATWASHER  
BUSHING, WHEEL  
TIRE & RIM, RIGHT  
SCREW, 1/4−20X1.75 HH  
NUT, 1/4−20 HEX NYLOCK  
RING, RET  
MT73842  
PIN, KLIK .25 X 1.38 DIA  
TIRE & RIM, LEFT  
MT1501823  
54  
MTF−051055L  
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FRONTIER MODEL ST0524  
FACTORY MODEL 624554x16A  
DECALS  
13  
1
7
9
5
3
6
2
4
11  
12  
10  
Key No. Part No.  
Description  
1
2
MT48x5283  
MT7390  
DECAL, AUGER CONTROL  
DECAL, V−BELTS  
3
MT7859  
DECAL, OVER ADJUSTMENT  
DECAL, ROTATING AUGER  
DECAL, THROWN OBJECTS  
DECAL, UNCLOGGING CHUTE  
DECAL, SPEED CONTROL  
DECAL, SHEAR BOLTS  
LOGO, FRONTIER  
4
MT48x5967  
MT48x5578  
MT48x5965  
MT48x5284  
MT760983  
MT48x5287  
MT48x5288  
MT48x5599  
MT586402  
5
6
7
9
10  
11  
12  
13  
−−  
DECAL, ST0524  
DECAL, CLEAN & CLEAR BRUSH  
DECAL, TRACTON CONTROL  
OPERATOR’S MANUAL  
MTF−051055L  
55  
MTF−051055L  
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SPECIFICATIONS ST0524  
Engine  
Briggs & Stratton  
Horsepower  
5.5 hp  
Starter  
Electric / Recoil  
Fuel Capacity  
Drive System  
Speeds  
3 quarts  
Friction Disc  
6 Forward / 2 Reverse  
Tire Diameter  
Traction Control  
Clearing Width  
Housing Height  
Auger Diameter  
Auger Type  
13”  
Pin Lock  
24”  
17.5”  
10”  
Steel / Notched  
9”  
Impeller Diameter  
Chute Rotation  
Chute Turning Radius  
Deflector Control  
Weight  
Remote  
190_  
Manual  
160 lbs  
3 years  
3 years  
Warranty − Engine  
Warranty − Machine  
56  
MTF−051055L  
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