Briggs Stratton Snow Blower 1524 User Manual

OPERATOR’S  
MANUAL  
Signature Professional  
Series Snowthrowers  
1524 Models  
1738 Models  
Mfg. No.  
1695303  
1695304  
Description  
Mfg. No.  
1695309  
1695310  
1695358  
1695359  
Description  
P1524E, Snowthrower  
P1524EX, Snowthrower (CE)  
P1738E, Snowthrower  
P1738EX, Snowthrower (CE)  
P1738E, Snowthrower  
P1738EX, Snowthrower (CE)  
1628 Models  
Mfg. No.  
1695305  
1695306  
Description  
P1628E, Snowthrower  
P1628EX, Snowthrower (CE)  
1732 Models  
Mfg. No.  
1695307  
1695308  
Description  
P1732E, Snowthrower  
P1732EX, Snowthrower (CE)  
1734900  
Revision 01  
Rev. Date 8/2007  
TP 100-4585-01-LW-SN  
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Table of Contents  
Regular Maintenance  
CONTENTS:  
Maintenance Schedule..................................20  
Checking Tire Pressure.................................20  
Auger Gear Case Lubrication........................20  
Lubrication.....................................................21  
Check / Lubricate Free-Hand Linkage...........22  
Lubricate Auger Shaft Assembly ...................22  
Safety Rules & Information  
General............................................................2  
Training............................................................4  
Preparation......................................................4  
Operation.........................................................4  
Children ...........................................................5  
Clearing a Clogged Discharge Chute..............5  
Service, Maintenance and Storage .................5  
Emissions ........................................................5  
Decals..............................................................7  
Safety Icons.....................................................8  
Identification Numbers........................................9  
Features, Controls & Operation  
Troubleshooting, Adjustments & Service  
Troubleshooting .............................................23  
Speed Selector Adjustment...........................25  
Auger Drive Tension ......................................25  
Traction Drive Tension ...................................26  
Manual Discharge Chute Adjustment............27  
Electric Discharge Chute Adjustment............27  
Easy Turn Cable Adjustment .........................28  
Shear Pin Replacement.................................28  
Belt Replacement ..........................................29  
Specifications....................................................31  
Parts & Accessories......................................... 32  
Control Locations...........................................10  
General Operation  
Checks Before Each Start-Up .......................12  
Starting Controls............................................13  
Starting the Engine........................................14  
Stopping the Engine ......................................15  
Operating The Snowthrower..........................16  
Clearing a Clogged Discharge Chute............16  
Ground Speed Selector.................................16  
Engine Speed................................................16  
Deflector ........................................................17  
Scraper Bar & Skid Shoes.............................17  
Easy-Turn and Traction Drive Lock................18  
After Each Use ..............................................19  
Storage..........................................................19  
WARNING  
You must read, understand and comply with all  
safety and operating instructions in this manual  
before attempting to set-up and operate your  
snowthrower.  
WARNING  
Engine exhaust from this product contains  
chemicals known, in certain quantities, to cause  
cancer, birth defects, or other reproductive harm.  
Failure to comply with all safety and operating  
instructions can result in loss of machine control,  
serious personal injury to you and /or  
bystanders, and risk of equipment and property  
damage. The triangle in the text signifies  
important cautions or warnings which must be  
followed.  
1
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Safety Rules & Information  
Operating Safety  
Congratulations on purchasing a superior-quality piece of lawn  
and garden equipment. Our products are designed and manu-  
factured to meet or exceed all industry standards for safety.  
Power equipment is only as safe as the operator. If it is mis-  
used, or not properly maintained, it can be dangerous!  
Remember, you are responsible for your safety and that of  
those around you.  
Use common sense, and think through what you are doing. If  
you are not sure that the task you are about to perform can be  
safely done with the equipment you have chosen, ask a  
professional: contact your local authorized dealer.  
Read the Manual  
The operator’s manual contains important safety information you need  
to be aware of BEFORE you operate your unit as well as DURING  
operation.  
Safe operating techniques, an explanation of the product’s features  
and controls, and maintenance information is included to help you  
get the most out of your equipment investment.  
Be sure to completely read the Safety Rules and Information found on  
the following pages. Also completely read the Operation section.  
Children  
DO NOT ALLOW CHILDREN TO OPERATE THIS UNIT!  
Tragic accidents can occur with children. Do not allow  
them anywhere near the area of operation. Children are  
often attracted to the unit and snowthrowing activity.  
Never assume that children will remain where you last  
saw them. If there is a risk that children may enter the  
area where you are operating the unit, have another  
responsible adult watch them.  
This encourages them to come near the unit in the future  
while it is running, and they could be seriously hurt.  
They may then approach the unit when you are not  
expecting it, and you may run over them.  
TP 600-3606-05-LW-SMA  
2
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Safety Rules & Information  
Moving Parts  
This equipment has many moving parts that can injure you or someone else.  
However, if you are standing in the operator’s position, and follow all the rules in  
this book, the unit is safe to operate.  
The auger and impeller have spinning parts that can amputate hands and feet.  
Do not allow anyone near the equipment while it is running! DO NOT clear the  
discharge chute by hand. If the chute becomes plugged, stop the engine, wait for  
all moving parts to stop, and clear the blockage with a clean-out tool or piece of  
wood.  
To help you, the operator, use this equipment safely, it is equipped with an  
operator-present safety system. Do NOT attempt to alter or bypass the system.  
See your dealer immediately if the system does not pass all the safety interlock  
system tests found in this manual.  
Thrown Objects  
This unit has a spinning auger and impeller. They  
pick up and throw snow and ice. Thrown debris  
could seriously injure a bystander. ALWAYS direct  
the discharge chute away from bystanders and prop-  
erty that could be damaged by frying debris. Be sure  
to clean up the area to be cleared BEFORE you  
start.  
Do not allow anyone in the area while the unit is run-  
ning! If someone does enter the area, shut the unit  
off immediately until they leave.  
Fuel and Maintenance  
Gasoline is extremely flammable. Its vapors are also  
extremely flammable and can travel to distant ignition  
sources. Gasoline must only be used as a fuel, not as a  
solvent or cleaner. It should never be stored any place  
where its vapors can build up or travel to an ignition source  
like a pilot light. Fuel belongs in an approved, plastic,  
sealed gas can, or in the snowthrower fuel tank with the  
cap securely closed. Spilled fuel needs to be cleaned up  
immediately.  
Proper maintenance is critical to the safety and perfor-  
mance of your unit. Be sure to perform the maintenance  
procedures listed in this manual, especially periodically  
testing the safety system.  
3
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Safety Rules & Information  
This machine is capable to amputating hands and feet and throwing objects. Read these safety rules and  
follow them closely. Failure to obey these rules could result in loss of control of unit, severe personal injury  
or death to you, or bystanders, or damage to property or equipment. The triangle  
important cautions or warnings which must be followed.  
in text signifies  
TRAINING  
OPERATION  
1. Read, understand, and follow all instructions on the  
machine and in the manuals before operating this  
unit. Be thoroughly familiar with the controls and the  
proper use of the equipment. Know how to stop the  
unit and disengage the controls quickly.  
1. Do not put hands or feet near or under rotating parts.  
Keep clear of the discharge opening at all times.  
2. Exercise extreme caution when operating on or  
crossing gravel drives, walks, or roads. Stay alert for  
hidden hazards or traffic.  
2. Never allow children to operate the equipment.  
Never allow adults to operate the equipment without  
proper instruction.  
3. After striking a foreign object, stop the engine (motor),  
remove the wire from the spark plug, disconnect the  
cord on electric motors, thoroughly inspect the  
snowthrower for any damage, and repair the damage  
before restarting and operating the snowthrower.  
4. If the unit should start to vibrate abnormally, stop the  
engine (motor) and check immediately for the cause.  
Vibration is generally a warning of trouble.  
5. Stop the engine (motor) whenever you leave the  
operating position, before unclogging the  
collector/impeller housing or discharge guide, and  
when making any repairs, adjustments, or inspec-  
tions.  
6. When cleaning, repairing, or inspecting make certain  
the collector/impeller and all moving parts have  
stopped. Disconnect the spark plug wire and keep  
the wire away from the plug to prevent accidental  
starting.  
7. Do not run the engine indoors except for starting the  
engine or for transporting the snowthrower in or out of  
the building. Open the outside doors; exhaust fumes  
are dangerous.  
8. Exercise extreme caution when operating on slopes.  
Do not attempt to clear steep slopes.  
9. Never operate the snowthrower without proper  
guards plates, or other safety protective devices in  
place and working.  
10. Never direct the discharge toward people or areas  
where property damage can occur. Keep children  
and others away.  
11. Do not overload the machine capacity by attempting  
to clear snow at too fast a rate.  
12. Never operate the machine at high transport speeds  
on slippery surfaces. Look behind and use care  
when operating in reverse.  
13. Disengage power to the collector/impeller when  
snowthrower is transported or not in use.  
14. Use only attachments and accessories approved by  
the manufacturer of the snowthrower (such as wheel  
weights, counterweights, or cabs).  
15. Never operate the snowthrower without good visibility  
or light. Always be sure of your footing, and keep a  
firm hold on the handles. Walk, never run.  
16. Never touch a hot engine or muffler.  
17. Never operate the snowthrower near glass enclo-  
sures, automobiles, window wells, drop-offs, and the  
like without proper adjustment of the discharge angle.  
18. Never direct discharge at bystanders or allow anyone  
in front of the unit.  
3. Keep the area of operation clear of all persons, partic-  
ularly small children and pets.  
4. Exercise caution to avoid slipping or falling especially  
when operating in reverse.  
PREPARATION  
1. Thoroughly inspect the area where the equipment is  
to be used and remove all doormat, sleds, boards,  
wires, and other foreign objects.  
2. Disengage all clutches and shift into neutral before  
starting engine (motor).  
3. Do not operate the equipment without wearing ade-  
quate winter outer garments. Wear footwear that will  
improve footing on slippery surfaces. Avoid loose fit-  
ting clothing that can get caught in moving parts.  
4. Handle fuel with care; it is highly flammable.  
(a) Use an approved fuel container.  
(b) Never add fuel to a running engine or hot engine.  
(c) Fill fuel tank outdoors with extreme care. Never fill  
fuel tank indoors. Replace fuel cap securely and  
wipe up spilled fuel.  
(d) Never fill containers inside a vehicle or on a truck  
or trailer bed with a plastic liner. Always place con-  
tainers on the ground, away from your vehicle, before  
filling.  
(e) When practical, remove gas-powered equipment  
from the truck or trailer and refuel it on the ground. If  
this is not possible, then refuel such on a trailer with a  
portable container, rather than from a gasoline dis-  
penser nozzle.  
(f) Keep nozzle in contact with the rim of the fuel tank  
or container opening at all times, until refueling is  
complete. Do not use a nozzle lock-open device.  
(g) Replace gasoline cap securely and wipe up spilled  
fuel.  
(h) If fuel is spilled on clothing, change clothing imme-  
diately.  
5. Use extension cords and receptacles as specified by  
the manufacturer for all units with electric drive  
motors or electric starting motors.  
6. Adjust the collector housing height to clear gravel or  
crushed rock surfaces.  
7. Never attempt to make any adjustments while the  
engine (motor) is running (except when specifically  
recommended by the manufacturer).  
8. Let engine (motor) and machine adjust to outdoor  
temperatures before starting to clear snow.  
9. Always wear safety glasses or eye shields during  
operation or while performing an adjustment or repair  
to protect eye from foreign objects that may be  
thrown from the machine.  
19. Never leave a running unit unattended. Always disen-  
gage the auger and traction controls, stop engine,  
and remove keys.  
20. Do not operate the unit while under the influence of  
alcohol or drugs.  
4
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Safety Rules & Information  
21. Keep in mind the operator is responsible for acci-  
dents occurring to other people or property.  
8. Always follow the engine manual instructions for stor-  
age preparations before storing the unit for both short  
and long term periods.  
9. Always follow the engine manual instructions for  
proper start-up procedures when returning the unit to  
service.  
10. Maintain or replace safety and instruction labels as  
necessary.  
11. Keep nuts and bolts tight and keep equipment in  
good condition.  
12. Never tamper with safety devices. Check their proper  
operation regularly and make necessary repairs if  
they are not functioning properly.  
22. Data indicates that operators, age 60 years and  
above, are involved in a large percentage of power  
equipment-related injuries. These operators should  
evaluate their ability to operate the unit safely enough  
to protect themselves and others from injury.  
23. DO NOT wear long scarves or loose clothing that  
could become entangled in moving parts.  
24. Snow can hide obstacles. Make sure to remove all  
obstacles from the area to be cleared.  
CHILDREN  
13. Components are subject to wear, damage, and dete-  
rioration. Frequently check components and replace  
with manufacturer’s recommended parts, when nec-  
essary.  
Tragic accidents can occur if the operator is not alert to the  
presence of children. Children are often attracted to the unit  
and the operating activity. Never assume that children will  
remain where you last saw them.  
14. Check control operation frequently. Adjust and ser-  
vice as required.  
1. Keep children out of the area and under the watchful  
15. Use only factory authorized replacement parts when  
making repairs.  
care of another responsible adult.  
2. Be alert and turn unit off if children enter the area.  
3. Never allow children to operate the unit.  
4. Use extra care when approaching blind corners,  
shrubs, trees, or other objects that may obscure  
vision.  
16. Always comply with factory specifications on all set-  
tings and adjustments.  
17. Only authorized service locations should be utilized  
for major service and repair requirements.  
18. Never attempt to make major repairs on this unit  
unless you have been properly trained. Improper ser-  
vice procedures can result in hazardous operation,  
equipment damage and voiding of manufacturer’s  
warranty.  
CLEARING A CLOGGED DISCHARGE  
CHUTE  
Hand contact with the rotating impeller inside the dis-  
charge chute is the most common cause of injury associ-  
ated with snowthrowers. Never use your hand to clean  
out the discharge chute.  
19. Check shear bolts and other bolts at frequent inter-  
vals for proper tightness to be sure the equipment is  
in safe working condition.  
To clear the chute:  
1. SHUT OFF THE ENGINE.  
EMISSIONS  
1. Engine exhaust from this product contains chemicals  
known, in certain quantities, to cause cancer, birth  
defects, or other reproductive harm.  
2. If available, look for the relevant Emissions Durability  
Period and Air Index information on the engine emis-  
sions label.  
2. Wait 10 seconds to be sure the impeller blades have  
stopped rotating.  
3. Always use a clean out tool, not your hands.  
SERVICE, MAINTENANCE, AND STORAGE  
1. Check shear bolts and other bolts at frequent inter-  
vals for proper tightness to be sure the equipment is  
in safe working condition.  
2. Never store the machine with fuel in the fuel tank  
inside a building where ignition sources are present  
such as hot water and spacer heaters, or clothes dry-  
ers. Allow the engine to cool before storing in any  
enclosure.  
IGNITION SYSTEM  
1. This spark ignition system complies with Canadian  
ICES-002.  
3. Always refer to the operator’s manual for important  
details if the snowthrower is to be stored for an  
extended period.  
4. Maintain or replace safety and instruction labels as  
necessary.  
5. Run the machine a few minutes after throwing snow  
to prevent freeze-up of the collector/impeller.  
6. If fuel is spilled, do not attempt to start the engine but  
move the machine away from the area of spillage and  
avoid creating any source of ignition until fuel vapors  
have dissipated.  
7. Always observe safe refueling and fuel handling prac-  
tices when refueling the unit after transportation or  
storage.  
5
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6
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Decals  
DECALS  
The safety decals below are on your unit.  
This unit has been designed and manufactured to pro-  
vide you with the safety and reliability you would expect  
from an industry leader in outdoor power equipment.  
If any of these decals are lost or damaged, replace them  
at once. See your local dealer for replacements.  
Although reading this manual and safety instructions it  
contains will provide you with the necessary basic knowl-  
edge to operate this equipment safely and effectively, we  
have placed several safety labels on the unit to remind  
you of this important information while you are operating  
your unit.  
These labels are easily applied and will act as a constant  
visual reminder to you, and others who may use the  
equipment, to follow the safety instructions necessary for  
safe, effective, operation.  
NOTE: Engine operation and safety decals are supplied  
by the engine manufacturer.  
All WARNING, CAUTION, and instructional messages  
on your unit should be carefully read and obeyed.  
Personal bodily injury can result when these instructions  
are not followed. The information is for your safety and it  
is important.  
NORTH AMERICAN MODEL DECALS  
WARNING  
Free Hand Free Hand Easy-Turn Easy-Turn  
Auger  
Engage  
Unlocked  
Drive  
Drive  
Locked  
AVOID SERIOUS INJURY OR DEATH  
Locked Released  
• Read the operator's manual for operating and  
• Always direct discharge chute so as to avoid  
injury to persons or damage to property.  
• Stop engine and disconnect spark plug wire  
before servicing the unit.  
safety instructions.  
• Do not defeat the safety features of control. They  
are for your protection.  
• Keep machine properly maintained and serviced with • When traction and auger controls are depressed,  
Auger  
Disengage  
all shields, guards, and protective devices in place.  
• Never allow children to operate snowthrower.  
• Keep area of operation clear of all persons,  
especially children.  
the Free Hand™ control is activated. This allows  
the auger control to be released, yet auger  
rotation will continue until the Free Hand control  
is released.  
Traction  
Traction  
Engage Disengage  
1726945  
1726946  
Part No. 1726945 - WARNING / Main Dash Decal, North  
American Tube Handle Models  
Part No. 1722867  
Lubrication Decal  
(Tube Handle Models)  
Part No. 1726946  
Auger Control Decal  
Tube Handle Models  
WARNING  
DANGER  
AVOID SERIOUS INJURY OR DEATH  
Free Hand Free Hand  
Locked Unlocked  
• Read the operator's manual for operating and safety instructions.  
• Do not defeat the safety features of control. They are for your protection.  
• Keep machine properly maintained and serviced with all shields, guards,  
and protective devices in place.  
Easy-Turn Easy-Turn  
Drive Locked Drive Released  
Amputation hazard  
Contact with moving parts  
inside chute will cause  
serious injury.  
• Never allow children to operate snowthrower.  
Auger  
Engage  
• Keep area of operation clear of all persons, especially children.  
• Always direct discharge chute so as to avoid injury to persons or damage  
to property.  
• Stop engine and disconnect spark plug wire before servicing the unit.  
• When traction and auger controls are depressed, the Free Hand™  
control is activated. This allows the auger control to be released, yet  
auger rotation will continue until the Free Hand control is released.  
Shut off engine before  
unclogging discharge chute.  
Auger  
Disengage  
Traction Traction  
Engage Disengage  
Use clean-out tool, not hands!  
1733057  
1726947  
Part No. 1716532  
Auger Danger Decal  
Part No. 1733057  
Discharge Chute  
Danger Decal  
Part No. 1726947 - WARNING / Main Dash Decal, North  
American Channel Handle Models  
CE MODEL DECALS  
Part No. 1727208  
1727023  
1727022  
Auger Danger Decal  
Part No. 1727022 - WARNING / Main Dash Decal, CE  
Tube Handle Models  
Part No. 1727023  
Auger Control Decal  
Tube Handle Models  
1727024  
Part No. 1722867  
Lubrication Decal  
(Tube Handle Models)  
Part No. 1727207  
Discharge Chute  
Danger Decal  
Part No. 1727024 - WARNING / Main Dash Decal, CE  
Channel Handle Models  
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Decals and Safety Icons  
ALL MODEL DECALS  
Part No. 1734789  
Deflector Decal - down  
Part No. 1734788  
Deflector Decal - up  
Part No. 1734786  
Shift Decal - left  
Part No. 1734787  
Shift Decal - right  
WARNING: DISMEMBERMENT.  
SAFETY ICONS  
This machine can amputate limbs.  
Keep bystanders and children away  
when engine is running.  
WARNING: READ OPERATOR’S  
MANUAL.  
DANGER: DISMEMBERMENT.  
Read and understand the Operator’s  
Manual before using this machine.  
The auger can amputate limbs. Keep  
hands and feet away from auger and  
rotating parts.  
DANGER: THROWN OBJECTS.  
This machine is capable of throwing  
objects and debris. Keep bystanders  
away.  
DANGER: DISMEMBERMENT.  
The impeller can amputate limbs.  
Stop the engine, remove the key, and  
disconnect spark plug wire before  
clearing the discharge chute or per-  
forming service work. Keep hands  
and feet away from impeller and rotat-  
ing parts.  
WARNING: REMOVE KEY BEFORE  
SERVICING.  
Remove the key, disconnect spark  
plug wire, and consult technical litera-  
ture before performing repairs or  
maintenance.  
8
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Identification Numbers  
North American /  
CE Models  
Part No. xxxxxxx  
CE Models  
(Only)  
xxxxxxxxxxxxx  
Serial No. xxxxxxxxxx  
xxx  
dB  
xxxxxxxxxxxxxxxxxxxxxxx  
xxxxxxxxxxxxxxxxxxxxxxx  
xxxxxxxxxxxxxxxxxxxxxxx  
xxxxxxxxxxxxxxxxxxxxxxx  
kg: xxx  
PRODUCT REFERENCE DATA  
Model Description Name/Number  
kW: x.xx  
2xx  
xxxx max  
Identification Numbers  
Unit MFG Number  
Unit SERIAL Number  
When contacting your authorized dealer for replace-  
ment parts, service, or information you MUST have  
these numbers.  
Mower Deck MFG Number  
Mower Deck SERIAL Number  
Date Purchased  
Dealer Name  
Record your model name/number, manufacturer’s identi-  
fication numbers, and engine serial numbers in the  
space provided for easy access. These numbers can be  
found in the locations shown.  
ENGINE REFERENCE DATA  
Engine Make  
Engine Model  
NOTE: For location of engine identification numbers,  
refer to the engine owner’s manual.  
Engine Type/Spec  
Engine Code/Serial Number  
CE Models: Place the extra copy of the identification tag  
in the manual  
A
CE IDENTIFICATION TAG MARKINGS  
A. Manufacturer’s Identification Number  
B. Manufacturer’s Serial Number  
C. Power Rating in Kilowatts  
D. Maximum Engine Speed in Rotations per Minute  
E. Manufacturer’s Name and Address  
F. Year of Manufacture  
G. CE Compliance Logo  
H. Mass of Unit in Kilograms  
I. Guaranteed Sound Power in Decibels  
Part No. xxxxxxx  
I
xxxxxxxxxxxxxxx  
Serial No. xxxxxxxxxx  
B
H
xxx  
dB  
xxxxxxxxxxxxxxxxxxxxxxx  
xxxxxxxxxxxxxxxxxxxxxxx  
xxxxxxxxxxxxxxxxxxxxxxx  
xxxxxxxxxxxxxxxxxxxxxxx  
kg: xxx  
C
E
kW: x.xx  
xxxx max  
20xx  
D
F
G
9
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Features, Controls & Operation  
Please take a moment  
and familiarize  
yourself with the  
name, location, and  
function of these  
controls so that you will  
better understand the  
safety and operating  
instructions provided in  
this manual.  
1,2..  
Manual  
Rotator  
Model  
Electric  
Rotator  
Model  
CONTROL LOCATIONS  
The information below briefly describes the function of individual controls. Starting, stopping, and driving require the  
combined use of several controls applied in specific sequences. To learn what combination and sequence of controls  
to use for various tasks see the OPERATION section.  
1,2..  
Speed Selector  
Traction Control / Free Hand™ Lock  
Selects forward speeds 1-5 and reverse speeds 1-2. No  
neutral position or gate is required, since the traction  
drive design automatically provides "neutral" (no forward  
or reverse movement), whenever the Drive Control is  
released.  
Engages traction drive to wheels when depressed. Also  
locks auger control when depressed simultaneously.  
Releasing the traction control lever releases the Free  
Hand™ auger control lock and stops the drive wheels.  
10  
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Features & Controls  
Auger Control  
Fuel  
Engages the auger/impeller when depressed. Releasing  
the control stops the auger/impeller.  
Fuel tank filler cap (see illustration). Note: The fuel shut  
off valve is located under the fuel tank or on the front of  
the engine. Close the valve when the snowthrower is not  
in use. Open the valve before starting.  
Chute Direction Control  
Models with Electric Chute Rotator: Depressing the  
chute rotator switch rotates the chute left or right.  
Primer Button  
When pressed, the primer button provides initial fuel to  
help start a cold engine. Normally, pressing the primer  
button twice will provide enough fuel to start a cold  
engine.  
Models with Manual Chute Rotator: Turning the crank  
rotates the discharge chute to desired position.  
Remote/Regular Deflector Control  
Regular (Knob) Chute Deflector: Locks chute deflector in  
desired position. Tilting the chute deflector UP provides  
a higher stream and greater distance, while tilting the  
deflector DOWN provides a lower stream and less dis-  
tance.  
Throttle Lever  
Controls engine speed. Move toward the hare icon for  
faster engine speed, move toward the turtle icon for  
slower engine speed. Move the throttle all the way to  
STOP to stop the engine. Set throttle to FULL/FAST  
(hare icon) for operation.  
Remote Chute Deflector: Twist the knob to unlock the  
chute deflector. Pull or push the knob to change the  
deflector angle. UP provides a higher stream and  
greater distance, while tilting the deflector DOWN pro-  
vides a lower stream and less distance.  
Engine Key  
The engine key prevents the engine from being started.  
The key must be fully inserted into the key slot for the  
unit to start. The key can also used to stop the engine by  
pulling the key out of the key slot.  
Easy Turn™ Control  
Easy Turn Control: Engaging the Easy Turn™ lever  
releases the right wheel to allow easy turning in tight  
areas. Releasing the control automatically engages both  
drive wheels for full traction.  
Choke Knob  
The choke knob adjusts the air/fuel mixture, and is used  
to help start a cold engine by providing a richer mixture.  
Once the engine is warm and running smoothly, the  
choke knob should be set to the off position to provide a  
normal air/fuel mix.  
Traction Lock Pins: The right traction wheel can be  
completely released using the locking pin (see Figure 9).  
This allows the unit to be easily moved with the engine  
off.  
Grip Warmers (Select Models)  
The optional grip warmers are powered when the engine  
is running and have three settings: low, off, and high.  
Starter  
Electric Start (If Equipped): Depressing the starter but-  
ton activates the electric starter. The electric start button  
operates on 120 Volts AC, which is provided by connec-  
tion to the extension cord provided with units equipped  
with this feature. Connect this extension cord ONLY to a  
properly grounded 3 prong electrical outlet.  
Headlight (Select Models, Not Pictured)  
For use in low sunlight - early morning and evening. The  
headlight is on at all times when the engine is running.  
Recoil Starter (All Models): Pulling the recoil handle  
cranks the engine.  
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Operation  
GENERAL OPERATION  
WARNING  
This unit is a “two-stage” snowthrower.  
CHECKS BEFORE EACH START-UP  
The first stage is the auger, which feeds the snow  
back into the impeller housing. The second stage  
is the impeller, which throws the snow out the  
discharge chute. If bodily contact is made with  
the auger or impeller when they are rotating,  
severe personal injury will occur.  
1. Make sure all safety guards are in place and all nuts,  
bolts and clips are secure.  
2. Check to make sure that the clean-out is attached to  
the machine. Do not operate the machine without the  
clean-out tool properly stored on the machine.  
3. Check the engine oil level. See your engine owner’s  
manual for procedure and specifications.  
To avoid injury, keep others and yourself away  
from the auger and the discharge chute whenever  
the engine is running. Read and follow all of the  
safety rules and warnings in this manual.  
4. Check to make sure spark plug wire is attached and  
spark plug is tightened securely. If necessary, torque  
spark plug to 15 ft. lbs.  
5. Check the fuel supply. Fill the tank no closer than 1/4  
to 1/2 inch of top of tank to provide space for expan-  
sion. See your engine owner’s manual for fuel recom-  
mendations.  
DANGER  
Do not clean out discharge chute with hands.  
Contact with moving parts inside chute will  
cause serious injury. Use clean out tool provided  
with machine. Use the following procedure to  
remove objects or clear the chute:  
6. Check the scraper bar to make sure it is set at the  
desired height. Adjust the skid shoes if necessary.  
7. Check the drive control (B, Figure 4), and auger con-  
trol (C) for proper operation. If adjustment is required,  
see the service section for procedures.  
1. Stop the engine. Remove the key.  
2. Wait 10 seconds to be sure the auger/impeller  
blades have stopped rotating.  
3. Always use the clean-out tool. DO NOT use your  
hands.  
8. Check the chute direction control (D or E Figure 4) for  
proper operation. The discharge chute should rotate  
freely in both directions. See the service section for  
adjustment procedures and troubleshooting.  
9. Check the chute deflector (F, Figure 4) for proper  
operation. The deflector should pivot freely up and  
down when the chute deflector knob is loosened.  
WARNING  
For your safety, operation on slopes should be in  
an up and down direction only. If it becomes  
necessary to move across the face of a slope, use  
caution and do not blow snow. Be very careful  
when changing direction on a slope.  
10. Position the chute at the desired starting direction  
and set the deflector at the desired angle.  
11. Check the speed selector (A, Figure 4) for smooth  
operation. The control must move freely into each  
speed position gate and remain in position when  
released. If the speed selector does not move freely  
into all forward and reverse speed positions, contact  
Proper winter footwear is recommended for the  
operator to help prevent slipping. Never attempt  
to clean snow from excessively steep slopes. The  
maximum slope for any operation is 17.7% (10º).  
your local authorized dealer for assistance.  
WARNING  
Gasoline is highly flammable and must be  
handled with care. Never fill the tank when the  
engine is hot or running. Always move outdoors  
to fill the tank. Keep snowthrower and gasoline  
away from open flame or spark.  
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Operation  
G. Choke Knob - The choke knob (G) adjusts the  
STARTING CONTROLS  
See Figure 1 for the following instructions.  
Electric Start  
air/fuel mixture, and is used to help start a cold  
engine by providing a richer mixture. Once the engine  
is warm and running smoothly, the choke knob  
should be set to the off position to provide a normal  
air/fuel mix.  
A. Electric Start Button - The Electric Start Button  
(A) activates an electric starter mounted to the  
engine, eliminating the need to pull the starter han-  
dle. The Electric Start Button operates on 120 Volts  
AC, which is provided by connection to the extension  
cord provided with units equipped with this feature.  
Connect this extension cord ONLY to a properly  
grounded 3 prong electrical outlet.  
G
D
Manual Start  
B. Fuel Valve - The fuel valve (B) is located under the  
fuel tank. It is used to turn the fuel supply off for out-  
of-season storage.  
F
A
C. Starter Handle - The starter handle (C) connects to a  
starter cord to manually start the engine. Pulling  
starter handle rapidly spins the engine crankshaft,  
cycles the engine, and generates the spark neces-  
sary for starting the engine.  
B
E
D. Primer Button - When pressed, the primer button  
(D) provides initial fuel to help start a cold engine.  
Normally, pressing the primer button twice will pro-  
vide enough fuel to start a cold engine.  
Snow Series Max  
C
E. Throttle Lever - The throttle lever (E) controls the  
engine speed. For best overall performance, the  
throttle lever should be set to the FAST position. Use  
the SLOW position only for warming the engine, or to  
help prevent snow/ice freeze-up when shutting the  
unit down for the day.  
Figure 1. Engine Controls  
A. Electric Start Button  
B. Fuel Valve  
C. Starter Handle  
D. Primer Button  
E. Throttle Lever  
F. Engine Key  
F. Engine Key - The engine key (F) prevents the  
engine from being started by unauthorized individu-  
als. The key must be fully inserted into the key slot  
for the unit to start. The key is also used to stop the  
engine by pulling the key out of the key slot.  
G. Choke Knob  
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Operation  
STARTING THE ENGINE  
CAUTION  
WARNING  
This engine was shipped from Briggs & Stratton  
without oil. Before you start the engine, make  
sure you add oil according to the instructions in  
the Engine Owner’s Manual. If you start the  
engine without oil, it will be damaged beyond  
repair and will not be covered under warranty.  
Rapid retraction of starter cord (kickback) will pull  
hand and arm toward engine faster than you can  
let go. Broken bones, fractures, bruises or  
sprains could result. When starting engine, pull  
the starter cord slowly until resistance is felt and  
then pull rapidly to avoid kickback.  
1. Check the oil level. See “How To Check/Add Oil”  
section in Engine Owner’s Manual.  
2. Make sure equipment drive controls, if equipped, are  
disengaged. See the equipment manual for location  
and operation of these controls.  
WARNING  
Gasoline and its vapors are extremely flammable  
and explosive. Fire or explosion can cause severe  
burns or death. When starting the engine, ensure  
that spark plug, muffler, fuel cap and air cleaner  
are in place and secured. Do not crank engine  
with spark plug removed. If engine floods, set  
choke (if equipped) to open/run position.  
3. Move the throttle control lever (A, Figure 2) to the  
FAST position. Operate the engine with the throttle  
control lever in the FAST position.  
D
E
WARNING  
Engines give off carbon monoxide, an odorless,  
colorless, poison gas. Breathing carbon  
monoxide can cause nausea, fainting or death.  
When starting the engine, start and run engine  
outdoors. Do not start or run engine in enclosed  
area, even if doors or windows are open.  
B
A
C
WARNING  
Unintentional sparking can result in fire or  
electric shock.  
Unintentional start-up can result in entanglement,  
traumatic amputation, or laceration.  
F
• Use a 3-wire extension cord.  
• First attach extension cord to electric starter  
connector and then into a wall receptacle. If  
additional extension cord is required, use a 3-  
wire.  
Figure 2. Start/Stop Engine - Manual  
A. Throttle Control Lever  
B. Fuel Shut-Off Valve  
C. Safety Key  
D. Choke Control Knob  
E. Primer Button  
• If the supply cord is damaged, it must be  
replaced by the manufacturer or its service  
agent or a similarly qualified person in order to  
avoid a hazard.  
F. Starter Cord Handle  
14  
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Operation  
4. Turn the fuel shut-off valve (B, Figure 2), if equipped,  
to the ON position.  
5. Push in the safety key (C).  
6. Turn the choke control knob (D) to the choke posi-  
tion.  
C
A
B
NOTE: Do not use the choke to start a warm engine.  
7. Push the primer button (E) two times.  
NOTE: Do not use the primer to start a warm engine.  
8. Rewind Start: Firmly hold the starter cord handle  
(F). Pull the starter cord slowly until resistance is felt,  
then pull rapidly.  
NOTE: If the engine does not start after three  
attempts, see the “Troubleshooting” section in the  
Engine Owner’s Manual.  
9. Electric Start: First connect the extension cord to  
the power cord receptacle (A, Figure 3) and then into  
a wall receptacle. If an additional extension cord is  
required, make sure it is a 3-wire.  
Figure 3. Start Engine - Electric  
A. Power Cord Receptacle  
B. Push Button  
WARNING  
C. Starter Cord Handle  
If the extension cord is damaged, it must be  
replaced by the manufacturer or its service agent  
or a similarly qualified person in order to avoid a  
hazard.  
STOPPING THE ENGINE  
WARNING  
Gasoline and its vapors are extremely  
flammable and explosive.Fire or explosion can  
cause severe burns or death. Do not choke the  
carburetor to stop the engine.  
CAUTION  
To extend the life of the starter, use short starting  
cycles (five seconds maximum). Wait one minute  
between starting cycles.  
1. Move the throttle control lever (A, Figure 2) to SLOW  
and then to the STOP position.  
10. Electric Start: Depress the push button (B). After  
you start the engine, first disconnect the exten-  
sion cord from the wall receptacle and then from the  
power cord receptacle (A).  
2. Remove the safety key (C). Keep the safety key out  
of the reach of children.  
3. After the engine stops, turn the fuel shut-off valve (B)  
to the CLOSED position.  
NOTE: If the engine does not start after three  
attempts, see the “Troubleshooting” section in the  
Engine Owner’s Manual.  
11. Allow the engine to warm up for several minutes.  
Then slowly move the choke control knob to the run  
position.  
15  
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Operation  
ENGINE SPEED  
Always run the snowthrower at full throttle.  
OPERATING THE SNOWTHROWER  
1. Rotate the discharge chute to the desired direction.  
2. Set the speed selector to the desired forward speed.  
3. Fully press and hold the auger engage control (C,  
Figure 4) on the right-hand grip to begin auger rota-  
tion. Releasing the auger engage control will disen-  
gage the auger — unless the Free-Hand™ Control  
has been activated (See step 5 below).  
WARNING  
When BOTH levers are depressed, the Free-  
Hand™ Control is activated. This allows Auger  
Engage Control to be released — YET AUGER  
ROTATION WILL CONTINUE — until the Free-  
Hand™ Control is released.  
4. Fully press and hold the traction & Free-Hand™  
Control lever (B, Figure 4) on the left-hand grip to  
engage the traction drive and begin moving the  
snowthrower. To disengage the traction drive, com-  
pletely release the lever.  
F
A
5. When BOTH levers are depressed, the Free-Hand™  
Control is activated. This allows Auger Engage  
Control to be released — YET AUGER ROTATION  
WILL CONTINUE — until the Free-Hand™ Control  
is released.  
C
B
6. Select forward or reverse speeds as needed using  
the Speed Selector (A, Figure 4). Release both con-  
trol levers before changing drive speeds.  
CLEARING A CLOGGED DISCHARGE  
CHUTE  
D
E
IMPORTANT NOTE  
Hand contact with the rotating auger/impeller  
inside the discharge chute is the most common  
cause of injury associated with snowthrowers.  
DO NOT use your hand to clean out the discharge  
chute.  
Figure 4. Controls (From Operator’s Position)  
A. Speed Selector  
B. Traction & Free-Hand™ Control  
C. Auger Engage Control  
D. Chute Direction Control Knob  
E. Chute Direction Control Remote  
F. Remote Deflector Control  
To clear the chute:  
1. Stop the engine. Remove the key.  
2. Wait 10 seconds to be sure the auger/impeller blades  
have stopped rotating.  
3. Always use the clean-out tool. DO NOT use your  
hands.  
GROUND SPEED SELECTOR  
Use the speed selector (A, Figure 4) to control the drive  
speed of the snowthrower. There are five forward speeds  
and two reverse speeds.  
Use the lower speeds to blow deep or wet snow. Use the  
higher speeds to blow light snow or to drive the snow-  
thrower without blowing snow.  
To change speeds, release both control levers (B, Figure  
4), then move the speed selector to the desired setting.  
Fully depress the control levers to resume.  
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Operation  
DEFLECTOR  
The distance of the discharged snow is mainly controlled  
by the position of the deflector. (Engine speed also  
affects distance of discharge.) The more the deflector is  
tilted UP, the farther snow will be thrown.  
A
Models with Chute Deflector Knob  
B
See Figure 5.  
1. Loosen the deflector knob, tilt the deflector UP or  
DOWN.  
2. Retighten the knob when desired angle has been  
chosen.  
Figure 5. Chute Deflector Adjustment (Some Models)  
A. Chute Deflector Knob  
B. Chute Deflector  
Models with Remote Deflector Control  
See Figure 6.  
1. Turn the remote deflector control (C) counterclock-  
wise to UNLOCK, and the spring (B) will pull the  
deflector to the maximum throwing position (A). Pull  
the knob UP to decrease the throwing distance.  
C
A
B
2. Turn the remote deflector control knob clockwise to  
LOCK in place when the desired angle has been cho-  
sen.  
SCRAPER BAR & SKID SHOES  
On smooth surfaces such as concrete or asphalt, the  
scraper bar (A, Figure 7) should scrape the surface. On  
surfaces such as gravel, the scraper bar should be high  
enough so that it will not pick up gravel or debris.  
The height of the scraper bar (A) is controlled by raising  
or lowering the skid shoes (B).  
Figure 6. Remote Deflector Control (Some Models)  
A. Maximum Throwing Position  
B. Spring  
1. To raise the scraper bar height, rest the scraper bar  
(A) on a strip of wood equal in thickness to the desired  
height.  
C. Control Handle  
2. Make sure the scraper bar is parallel to the ground  
surface.  
3. Loosen the skid shoe nuts (C) and let the skid shoes  
(B) drop to the surface.  
4. Tighten the nuts (C), making sure the skid shoes are  
adjusted equally and are parallel to the surface.  
5. To lower the height of the scraper bar, raise the skid  
shoes. Or adjust scraper bar by loosening the attach-  
ment bolts and sliding scraper bar down.  
6. If the scraper bar becomes worn, it can be replaced  
by removing the hardware attaching it to the  
snowthrower.  
A
C
B
Figure 7. Skid Shoe Adjustment  
A. Scraper Bar  
B. Skid Shoe  
C. Nuts  
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Operation  
FULL TRACTION  
EASY TURN™ TRACTION  
Easy Turn™  
Lever  
Engaged  
Easy Turn™  
Lever  
Released  
Right Wheel Freewheels,  
Left Wheel Drives  
Both Wheels Drive  
Figure 8. Easy Turn Control  
B
A
EASY TURN™ FREEWHEELING AND  
TRACTION DRIVE LOCK  
While Clearing Snow:  
For easy turning when using the snowthrower, squeeze  
the Easy Turn™ lever (Figure 8). Engaging the Easy  
Turn™ lever releases the right traction wheel but allows  
the left wheel to continue driving (Figure 8). Releasing  
the Easy Turn™ lever automatically engages both drive  
wheels for full traction.  
Figure 9. Traction Drive Lock  
A. Pin in Outer Hole (Freewheel)  
B. Pin in Inner Hole (Drive)  
NOTE: The Easy Turn™ lever will be more difficult to  
activate under a heavy load. Activate the lever before  
beginning a turn.  
2.. To DISENGAGE the traction drive lock, insert the  
Traction Lock Pin through the outer hole in the right  
axle. The unit can now be pushed with minimal resis-  
tance.  
When Pushing the Snowthrower:  
For easy turning when pushing the snowthrower, disen-  
gage the right wheel using the traction lock pin (See  
Figure 9).  
3. To ENGAGE the traction drive lock, align the hole in  
the hub with the inner hole in the axle, and install the  
Traction Lock Pin.  
1. Turn the unit off, remove the engine key, and discon-  
nect the spark plug wire.  
NOTE: Be sure both wheels are locked (locking pin in  
inner hole) when clearing snow.  
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Storage  
AFTER EACH USE  
STORAGE  
Normal use of the snowthrower may result in a build-up  
of packed snow in and around the starter cord housing  
and around engine controls. Heat from the engine will  
usually prevent the snow from freezing solid while the  
unit is running, but after the engine is shut down, some  
snow may continue melting from engine heat, and later  
freeze around some moving parts as the unit cools.  
WARNING  
Never store the unit (with fuel) in an enclosed,  
poorly ventilated structure. Fuel vapors can  
travel to an ignition source (such as a furnace,  
water heater, etc.) and cause an explosion.  
Fuel vapor is also toxic to humans and animals.  
After each period of use, follow these steps to prevent  
freeze-up caused by ice formation in and around the  
engine controls and external parts.  
Before you store your unit for the off-season, read the  
Maintenance and Storage instructions in the Safety  
Rules section, then perform the following steps:  
1. Before shutting off the engine, pull the starter rope  
out 2 - 3 times, and allow it to rewind slowly. This will  
help clear packed snow from the starter cord area.  
Allow the engine to run for several minutes.  
• Disengage the PTO, set the parking brake, and  
remove the key.  
• Perform engine maintenance and storage measures  
listed in the engine owner’s manual. This includes  
draining the fuel system, or adding stabilizer to the  
fuel (do not store a fueled unit in an enclosed struc-  
ture - see Warning).  
2. Stop the engine by moving the throttle lever (See  
Figure 1) down, or by pulling out the engine key.  
3. Brush snow and ice from the snowthrower. Be sure to  
clear engine and snowthrower controls, discharge  
chute, worm and chute rod gears, clutch cable areas,  
and anywhere else snow has accumulated.  
Before starting the unit after it has been stored:  
4. Always remove the engine key and store in a safe  
place to prevent unauthorized use.  
• Check all fluid levels. Check all maintenance items.  
• Perform all recommended checks and procedures  
found in the engine owner’s manual.  
5. If the snowthrower is kept in a cold shelter, fill the fuel  
tank to prevent condensation. Do not store near  
sparks or flame.  
NOTE: The Engine Owner’s Manual contains further  
information on preventing ice formation and freeze-up.  
• Allow the engine to warm up for several minutes  
before use.  
WARNING  
Never store the unit, with gasoline in engine or  
fuel tank, in a heated shelter or in enclosed,  
poorly ventilated enclosures. Gasoline fumes may  
reach an open flame, spark or pilot light (such as  
a furnace, water heater, clothes dryer, etc.) and  
cause an explosion.  
Handle gasoline carefully. It is highly flammable  
and careless use could result in serious fire  
damage to your person or property.  
Drain fuel into an approved container outdoors  
away from open flame or sparks.  
19  
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Regular Maintenance  
MAINTENANCE SCHEDULE  
Maintenance Required  
Check auger gear case lubrication.**  
Lubricate snowthrower.  
Frequency  
25 Hours  
10 Hours  
Monthly  
Notes  
Benalene 900  
Grease  
10W Oil and Grease  
20 psi (1,37 bar)  
See Engine Manual  
See Engine Manual  
N/A  
Check tire pressure.  
50 Hours Yearly  
/
Change engine oil.*  
Clean or replace spark plug.  
Yearly  
4-6 Hours  
Yearly  
Check drive linkage / belt tension.  
Lubricate axle shafts.  
Lithium Grease  
10W Oil  
Check / lubricate free-hand linkage.  
Lubricate auger shaft.***  
10 Hours  
10 Hours  
Lithium Grease  
* Change original oil after two hours of operation.  
**Check oil level each fall and spring.  
See your engine Owner’s Manual.  
***Lubricate each fall and spring.  
CHECKING TIRE PRESSURE  
The air pressure in each tire (Figure 10) should be equal  
for both tires for best performance. Be sure to keep caps  
on valves to prevent entry of debris into the valve stem  
when tires are filled.  
Size  
15 x 5.0-6  
4.80-8  
PSI  
bar  
20  
20  
14  
1,38  
1,38  
,96  
Figure 10. Checking Tire Pressure  
16 x 6.5-8  
AUGER GEAR CASE LUBRICATION  
1. Place the snowthrower on a level surface.  
2. Remove the pipe plug (A, Figure 11).  
A
3. Check the lubricant level. It should be level with the  
lower edge of the plug opening. If not, add the  
Benalene 900 grease (available from your dealer).  
4. Re-install pipe plug, and tighten securely.  
Figure 11. Auger Lubrication  
A. Pipe Plug  
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Regular Maintenance  
LUBRICATION  
A
IMPORTANT NOTE  
It is very important that grease fittings on the  
auger shaft are lubricated regularly. If auger  
rusts to shaft, damage to worm gear may occur  
if shear pins do not break.  
To prevent wheels rusting to axles, it is also  
necessary to remove the wheels and grease the  
axles regularly.  
Figure 13. Drive Lubrication  
A. Hex Shaft  
Remove wheels and grease axles once each year.  
Apply medium weight (10W) oil to points shown (See  
Figures 12-15).  
Apply 5W-50 synthetic motor oil to the friction disk drive  
hex shaft (A, Figure 13).  
Generally, all moving metal parts should be oiled where  
contact is made with other parts. Keep oil and grease off  
belts, pulley grooves, drive disc, and friction disc.  
LUBRICATION NOTES:  
Grease locations indicated by grease gun symbol.  
Use grease fittings when present. Disassemble  
parts to apply grease to moving parts when grease  
fittings are not installed.  
Figure 14. Grease Axles & Lubricate Control Levers  
(Channel Handle Model Shown)  
Oil locations indicated by oil can symbol. Do not  
allow oil to drip onto traction drive or friction disc.  
Do not lubricate remote deflector control.  
Figure 15. Lubricate Deflector Hinges  
Figure 12. Chute Lubrication  
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Regular Maintenance  
CHECK / LUBRICATE FREE-HAND  
LINKAGE  
A
Check the function of the Free-Hand controls: the con-  
trols should function as described in the CONTROLS  
section. It is critical for the safe operation of the unit  
that the controls disengage when released.  
Lubricate as shown in Figures 16-17.  
IMPORTANT NOTE  
If the controls do not function properly, lubricate them. If  
lubrication does not rectify the problem, see your dealer.  
Under no circumstances should the unit be used if the  
controls are not functioning properly.  
Figure 16. Lubricate Free-Hand™ Control Linkage  
A. DO NOT Lubricate Deflector Control  
IMPORTANT NOTE  
It is very important that grease fittings on the auger shaft  
are lubricated regularly. If auger rusts to shaft, damage to  
worm gear may occur if shear pins do not break.  
Figure 17. Lubricate Free Hand Control  
LUBRICATE AUGER SHAFT  
ASSEMBLY  
1. Remove cotter pin (C, Figure 18) and shear pin (B).  
2. Use a grease gun and squirt several shots of grease  
into grease fitting (A).  
C
3. Rotate auger assembly (D) several times to distribute  
the grease evenly. Repeat step 2.  
B
4. Reinstall shear pin (B) and cotter pin (C).  
5. Repeat procedure for other side.  
A
B
C
A
D
D
Figure 18. Lubricate Auger Shaft Assembly  
A. Grease Fittings  
B. Shear Pins  
C. Cotter Pins  
D. Auger Assembly  
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Troubleshooting, Adjustments & Service  
TROUBLESHOOTING  
This section provides troubleshooting and service  
instructions. Locate the problem and check the possible  
cause/remedy in the order listed.  
WARNING  
Before performing any adjustment or service to  
snowthrower, stop the engine and wait for  
moving parts to stop. Remove the key. To prevent  
accidental starting, disconnect the spark plug  
wire and fasten away from the plug.  
Also, refer to the Engine Owner’s Manual for additional  
information.  
For problems not covered here, contact your local deal-  
er.  
Problem  
Possible Cause  
Remedy  
Engine fails to start.  
Key is OFF.  
Push key in to the ON position.  
Failure to prime cold engine  
Press primer button twice and restart.  
Fuel valve is in CLOSED position.  
Out of fuel.  
Turn valve to OPEN position.  
Fill fuel tank.  
Choke OFF - cold engine.  
Turn choke to ON, set throttle to FAST.  
Engine flooded.  
No spark.  
Turn choke to OFF; try starting.  
Check gap. Gap plug, clean electrode, or  
replace plug as necessary.  
Water in fuel, or old fuel.  
Drain tank. (Dispose of fuel at an authorized  
hazardous waste facility.) Fill with fresh fuel.  
Engine starts hard or  
runs poorly.  
Fuel mixture too rich.  
Move choke to OFF position.  
See your dealer for adjustments.  
Clean and gap, or replace.  
Carburetor adjusted incorrectly.  
Spark plug faulty, fouled, or gapped  
improperly.  
Fuel cap vent is blocked.  
Clear vent.  
Scraper bar does not  
cleanhard surface.  
Skid shoes improperly adjusted.  
RAISE skid shoes (this lowers the scraper  
bar).  
Skid shoes improperly adjusted.  
LOWER skid shoes (this raises the scraper  
bar.)  
Auger does not rotate.  
Auger control not engaged.  
Engage auger control.  
Foreign matter blocking auger.  
STOP engine and REMOVE the key. DIS-  
CONNECT the spark plug wire. Clear auger  
using clean-out tool. See warning in SAFE-  
TY RULES.  
Auger drive clutch rod slack.  
Tighten to remove slack. See auger clutch  
rod adjustment.  
Auger drive belt slipping.  
Broken belt.  
Check auger drive belt adjustment.  
Replace belt.  
Shear pin broken.  
Replace shear pin.  
23  
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Troubleshooting  
Problem  
Possible Cause  
Remedy  
Auger rotates, but snow is not-  
thrown far enough.  
Chute deflector too low.  
Adjust deflector as necessary.  
Engine speed too slow.  
Ground speed too fast.  
Set speed to full throttle.  
Use slower speed selector setting.  
Snowthrower discharge chute  
clogged.  
STOP engine and REMOVE the key  
DISCONNECT the spark plug wire.  
Clear auger using clean-out tool. See  
warning in SAFETY RULES.  
Auger belt loose or worn.  
Tires slipping.  
Check auger drive belt adjustment  
Check tire pressure and tread.  
Poor traction.  
Auger does not stop when  
auger lever is released.  
Free-Hand™ control is ACTIVE.  
Release both auger engage control  
and Free-Hand™ control to stop  
auger.  
Auger clutch rod too tight or bent.  
Auger drive belt out of adjustment.  
Loosen or straighten clutch rod.  
Adjust auger belt.  
Auger belt guide out of adjust-  
ment.  
Adjust auger belt guide.  
Snowthrower does not stop-  
when drive lever is released.  
Traction drive clutch rod bent or  
too tight.  
Loosen rod to remove slack or replace.  
See adjustment procedure.  
Traction drive clutch rod loose.  
Tighten to remove slack. See adjust-  
ment procedure.  
Drive belt loose, broken, or  
stretched.  
Replace drive belt.  
Drive roller chain damaged.  
Replace chain.  
Traction lock pins in free-  
Wheeling position (OUTER hole).  
Change traction lock pins to INNER  
hole to engage traction drive.  
Friction disc worn.  
Replace disc (see your dealer).  
Oil or grease as required.  
Discharge control is difficult to  
operate.  
Gearing needs lubrication  
Worm gear not adjusted properly.  
Adjust worm gear. See adjustment pro-  
cedure.  
Control rod gears misaligned.  
Adjust gear bracket. See adjustment  
procedure.  
Snowthrower veers to one  
side.  
Tire pressure not equal.  
Check tire pressure.  
One wheel is set in free-wheeling  
mode. (Traction Lock Pin is in the  
OUTER hole).  
Make certain the left traction lock pin is  
in the INNER holes (to engage traction  
drive).  
Excessive vibration.  
Loose parts or damaged auger.  
STOP engine and REMOVE the key.  
DISCONNECT the spark plug wire.  
Tighten all hardware. Replace auger if  
necessary. If vibration continues, see  
your dealer.  
Drive fails to move  
Traction drive out of adjustment.  
Hex shaft needs lubrication.  
Readjust drive, or shift speed selector  
setting up one speed faster.  
snowthrower at slow speeds.  
Speed selector difficult to  
move or frozen in place.  
Lubricate hex shaft with 5W-50 syn-  
thetic motor oil (see Maintenance).  
24  
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Adjustments  
SPEED SELECTOR ADJUSTMENT  
1. Loosen the two nuts (C, Figure 19).  
B
C
B
2. Place the shift lever in 5th gear.  
C
A
3. Push the lower rod into the housing and tighten the  
two nuts (C). Do not lift up or down on rods while  
tightening. Make sure the shoulders of the carriage  
bolts (B) are in the slots.  
4. Always check traction drive tension and auger drive  
tension after adjusting speed selector.  
AUGER DRIVE TENSION  
WARNING  
Do not over-tighten, as this may lift the lever and  
cause auger drive to be engaged without  
depressing the Auger Control.  
Figure 19. Speed Selector Linkage  
A. Shift Rod  
B. Carriage Bolts  
C. Nuts  
1. With the drive lever released, the hook (B, Figure 20)  
should barely touch the lever (C) without raising it.  
There can be a maximum 1/32” clearance as shown.  
A
2. To adjust, loosen nut (D, Figure 22) by holding the  
adjusting flats (A)and turning nut (D). Turn adjust-  
ment flats and hold screw. The adjustment screw is  
a phillips screw and the head can be held or turned  
by inserting a screwdriver through the spring.  
D
E
C
B
3. Hold adjusting flats (A) and tighten nut (D).  
4. Start unit and check auger. auger must not be  
engaged unless auger control is depressed.  
5. With engine running, fully depress auger control, the  
auger should engage and run normally.  
Figure 20. Auger Drive Adjustment  
A. Adjusting Flats  
B. Spring Hook  
C. Lever  
D. Nut  
6. Release auger control. Auger must stop within 5  
seconds.  
7. If auger does not operate properly, stop engine and  
recheck drive linkage adjustments.  
E. Adjustment Screw  
8. If drive linkage is properly adjusted, auger drive belt  
tension may require adjustment. See "Belt  
Adjustment” in this section of the manual.  
25  
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Adjustments  
TRACTION DRIVE TENSION  
Initial Adjustment  
1. Lift the bellcrank arm (C, Figure 21) up as far as it will  
go.  
2. While holding the bell crank arm (C) up, adjust the  
cable until all the slack is removed.  
A
3. Back the adjustment screw (E) out 7-8 turns. Tighten  
nut (D).  
D
4. Start engine and check that the system disengages  
when the control is released.  
E
C
B
WARNING  
Do not over-tighten, as this may cause traction  
drive to engage without depressing the traction  
drive control (bellcrank arm must remain in down  
position).  
Figure 21. Traction Drive Adjustment  
A. Adjusting Flats  
B. Spring Hook  
C. Bellcrank Arm  
Verify that the cables are not over-tightened: With  
speed selector in position 1 and traction drive  
control fully released, push snowthrower forward.  
The unit should move forward freely.  
D. Nut  
E. Adjustment Screw  
If unit does not move forward freely, the cable has  
been over-tightened. To remedy, loosen tension  
on clutch cable slightly, and recheck.  
Run-In Adjustment  
ALL MODELS  
1. After 5 hours of use, check for proper adjustment.  
Readjust clutch cable if necessary by increasing ten-  
sion on cable. A small amount of bellcrank arm  
movement is permissible if unit passes operating  
checks described in the Caution above.  
26  
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Adjustments  
MANUAL DISCHARGE CHUTE  
CONTROL LINKAGE ADJUSTMENT  
F
A
E
Pinion Gear Adjustment  
If the discharge chute is difficult to operate, first lubricate  
the pinion gear (A, Figure 22) and ring gear (F). If it is  
still difficult to operate, adjust as follows:  
NOTE: If the discharge chute will not stay in position,  
adjust the pinion gear (A) closer to the ring gear (F).  
B
1. Loosen the nut (G, Figure 22) which holds the pinion  
gear bracket in the slotted hole.  
D
C
2. If the pinion gear is too tight against the ring gear,  
move it away slightly and then retighten the nut.  
G
3. Check the operation again.  
Figure 22. Discharge Control  
A. Pinion Gear  
B. Control Rod  
C. Carriage Bolt  
D. Slotted Bracket  
E. U-shaped Bracket  
F. Ring Gear  
Gear Bracket Adjustment  
If the discharge chute becomes difficult to rotate or  
begins to operate erratically, the chute direction control  
rod gears may require adjustment:  
G. Nut  
1. Loosen the gear bracket mounting nuts (Figure 23).  
2. Slide the gear bracket into the position that provides  
the best engagement between the gears.  
3. Tighten the bracket mounting hardware, and check  
for smooth operation.  
4. Readjust if necessary.  
5. Lubricate the chute direction control rod gears with a  
medium weight (10W) oil.  
A
ELECTRIC DISCHARGE CHUTE  
ROTATOR MOTOR ADJUSTMENT  
If the electric chute rotator does not function properly,  
check the electrical connections and then perform the  
procedure below.  
Figure 23. Gear Bracket Adjustment  
A. Mounting Hardware  
1. Remove the rotator motor cover.  
2. Lubricate the chute ring gear.  
3. Loosen the screws (A, Figure 24) securing the rotator  
motor and adjust so that the motor gear and chute  
ring gear mesh. Tighten the capscrews.  
4. Reinstall the rotator motor cover.  
A
Figure 24. Chute Rotator Motor Adjustment  
A. Screws  
27  
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Adjustments & Service  
EASY TURN™ CABLE ADJUSTMENT  
If the Easy Turn™ cable has stretched, the gears will not  
disengage when the control lever is activated. Adjust the  
cable using the following procedure.  
1. Turn the engine off and disconnect the spark plug  
wire.  
B
2. Loosen the jam nut (B, Figure 25).  
3. Turn the adjustment nut (A) to lengthen or shorten  
the cable. The cable should be tightened just until all  
slack is removed from the lever, however it must not  
engage the Easy Turn™ release without depressing  
the control lever.  
A
4. Tighten the jam nut.  
SHEAR PIN REPLACEMENT  
WARNING  
Do not go near the discharge chute or auger  
when the engine is running. Do not run the engine  
with any cover or guard removed.  
Figure 25. Cable Adjustment  
A. Adjustment Nut  
B. Jam Nut  
Under most circumstances, if the auger strikes an object  
which could cause damage to the unit, the shear pin will  
break. (This protects the gear box and other parts from  
damage.)  
B
The shear pins are located on the auger shaft as shown  
in Figure 26. To replace the shear pins, tap out the bro-  
ken pin with a pin punch, and install a new shear pin and  
cotter pin. Spread the legs of the new cotter pin fully. Do  
NOT replace shear pins with anything other than the  
correct grade replacement shear pin. (Use of bolts,  
screws or a harder shear pin will lead to damaged equip-  
ment.)  
A
A
B
Figure 26. Shear Pins  
A. Shear Pins  
B. Cotter Pins  
28  
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Adjustments & Service  
BELT REPLACEMENT  
A
1. Turn off the engine, remove the spark plug wire, and  
wait for all moving parts to stop. Rotate the spout full  
right. Loosen the two screws (B, Figure 27) securing  
the belt cover.  
2. Tilt the cover forward and work it off the snowthrower.  
3. Move the belt guides (B, Figure 28) by loosening the  
two capscrews (A).  
4. Remove the auger drive belt as follows:  
a. Slip the auger drive belt (D, Figure 28) from the  
idler pulley by pushing it away from the pulley and  
then toward the rear.  
B
b. Remove the belt from the engine pulley. Slip the  
belt from under the brake pad.  
Figure 27. Belt Cover  
A. Belt Cover  
B. Screws  
c. Remove two capscrews from bottom cover to  
snowthrower frame. Loosen nuts (A, Figure 29) on  
each side to release auger pulley belt stops (B).  
Move belt stops and remove belt from pulley (C).  
A
C
d. Remove the two bolts (D, Figure 29) from the gear  
assembly.  
B
D
e. Loosen the set collar and slide the axle shaft right.  
f. Belt can be removed from top or bottom. For more  
clearance to remove the belt, engage the traction  
drive lever.  
E
A
5. Remove the traction drive belt as follows:  
a. Pull the idler pulley (I, Figure 28) away from the  
belt and slip the belt from the pulley.  
B
F
b. Slip the belt off the traction pulley and then the  
engine pulley. The arm for the front idler pulley (G,  
Figure 28) may have to be pivoted to provide clear-  
ance for removing the belt from the traction pulley.  
I
H
G
c. Pull the belt out between the auger pulley (F,  
Figure 28) and traction pulley.  
Figure 28. Belts and Pulleys  
A. Capscrews  
B. Belt Guides  
C. Traction Drive Belt  
D. Auger Drive Belt  
E. Engine Pulley  
F. Auger Pulley  
G. Idler Pulley, Auger  
H. Traction Pulley  
I. Idler Pulley, Traction  
29  
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Service  
6. Reverse the procedure to install the belts. Be sure  
there are no twists and the belts are properly seated  
in the grooves. Adjust the belt stops so there is 1/8”  
(3mm) clearance between belt and stop. The pattern  
for both belts is shown in Figure 30. Slide the right  
axle left fully before tightening the set collar (E,  
Figure 29).  
E
D
C
7. Check the traction drive tension and auger drive ten-  
sion. Follow the procedures under AUGER/TRAC-  
TION DRIVE TENSION.  
B
8. Make sure the auger stops when the auger drive  
lever is released. Make sure traction drive stops  
when the traction drive lever is released. If not, check  
the drive tension. If a problem exists, see your dealer.  
B
A
A
Figure 29. Auger Pulley Belt Stops  
(shown with bottom cover removed)  
A. Nuts  
B. Belt Stops  
C. Auger Pulley  
D. Gear Assembly Bolts  
E. Set Collar  
E
E
A
C
B
D
F
F
Figure 30. Belt Pattern (viewed from front)  
A. Engine Pulley  
B. Drive Belt  
C. Idler Pulley  
D. Driven Pulley  
E. Engine Belt Stops  
F. Auger Pulley Belt Stops (Power Boost Units Only)  
30  
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Specifications  
NOTE: Specifications are correct at time of printing and are subject to change without notice.  
* The gross power rating for individual gas engine models is labeled in accordance with SAE (Society of Automotive  
Engineers) code J1940 (Small Engine Power & Torque Rating Procedure), and rating performance has been  
obtained and corrected in accordance with SAE J1995 (Revision 2002-05). Torque values are derived at 3060 RPM;  
horsepower values are derived at 3600 RPM. Actual gross engine power will be lower and is affected by, among  
other things, ambient operating conditions and engine-to-engine variability. Given both the wide array of products on  
which engines are placed and the variety of environmental issues applicable to operating the equipment, the gas  
engine will not develop the rated gross power when used in a given piece of power equipment (actual "on-site" or net  
power). This difference is due to a variety of factors including, but not limited to, accessories (air cleaner, exhaust,  
charging, cooling, carburetor, fuel pump, etc.), application limitations, ambient operating conditions (temperature,  
humidity, altitude), and engine-to-engine variability. Due to manufacturing and capacity limitations, Briggs & Stratton  
may substitute an engine of higher rated power for this Series engine.  
ENGINE:  
CHASSIS:  
- 1524, 1628  
Wheels  
Tire Size: 16 x 4.8  
Inflation Pressure: 20 psi (1,37 bar)  
Tire Size: 16 x 6.5  
Inflation Pressure: 14 psi (,96 bar)  
210 Degrees  
12 in. (30 cm) 4 Blade Ribbon Flighted Steel  
1450 Series Briggs & Stratton  
Make  
Model  
Briggs & Stratton  
- 1732, 1738  
Snow Series Max, M20H  
14.50 ft-lbs (19.7 Nm) @ 3060 rpm  
18.6 cu. in. (305 cc)  
Gross Torque*  
Displacement  
Oil Capacity  
Spout Rotation  
Impeller  
Auger Opening Height 19 in. (47.5 cm)  
28 oz. (,84 l)  
Drive System  
Friction Disc, 5 Forward Speeds, 2 Reverse  
1550 Series Briggs & Stratton  
Make  
Briggs & Stratton  
Model  
Snow Series Max, M21H  
15.50 ft-lbs (21.0 Nm) @ 3060 rpm  
20.87 cu. in. (342 cc)  
28 oz. (,84 l)  
DIMENSIONS:  
Gross Torque*  
Displacement  
Oil Capacity  
Effective Clearing Width  
-1524  
-1628  
-1732  
-1738  
24 in. (60 cm)  
28 in. (70 cm)  
32 in. (80 cm)  
38 in. (97 cm)  
1650 Series Briggs & Stratton  
Make  
Briggs & Stratton  
Length  
-1524  
-1628  
-1732  
-1738  
Model  
Snow Series Max, M21H  
16.50 ft-lbs (22.4 Nm) @ 3060 rpm  
20.87 cu. in. (342 cc)  
28 oz. (,84 l)  
57 in. (142 cm)  
57 in.(142 cm)  
57 in. (142 cm)  
57 in. (142 cm)  
Gross Torque*  
Displacement  
Oil Capacity  
Height  
-1524  
-1628  
-1732  
-1738  
38 in. (93 cm)  
38 in. (93 cm)  
38 in. (93 cm)  
38 in. (93 cm)  
Weight  
-1524  
-1628  
-1732  
-1738  
245 lbs (111 kg)  
265 lbs (120 kg)  
275 lbs (125 kg)  
300 lbs (136 kg)  
31  
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Parts & Accessories  
REPLACEMENT PARTS  
Replacement parts are available from your authorized  
dealer. Always use genuine Simplicity / Snapper Service  
Parts.  
For applicable manuals currently available for your  
model, contact our Customer Publications Department at  
+1-877-249-6647. Have the information listed in the box  
below available when phoning in your request.  
Technical manuals can be downloaded from:  
MAINTENANCE ITEMS  
Many convenient and helpful service and maintenance  
items are available from you authorized dealer. Some of  
these items include:  
Model:  
Engine Oil  
Tire Sealant  
Touch-Up Paint  
Grease Gun Kit  
8 oz. Grease Tube  
Degrimer/Degreaser  
Gas Stabilizer  
Mfg. No.:  
Your Name:  
Address:  
TECHNICAL MANUALS  
City, State, Zip:  
Visa/Mastercard No.:  
Card Expiration Date:  
Additional copies of this manual are available, as well as  
fully illustrated parts lists. These manuals show all of the  
product’s components in exploded views (3D illustrations  
which show the relationship of parts and how they go  
together) as well as part numbers and quantities used.  
Important assembly notes and torque values are also  
included.  
32  
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MANUFACTURING, INC.  
500 N Spring Street / PO Box 997  
Port Washington, WI 53074-0997  
PRODUCTS, INC.  
535 Macon Street  
McDonough, GA 30253  
© Copyright 2007, BRIGGS & STRATTON  
All Rights Reserved. Printed in USA.  
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