McCulloch Snow Blower 96188000400 User Manual

MC6211EESS  
Owner's Manual  
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2. Exercise extreme caution when operating on or cross-  
ing gravel drives, walks, or roads. Stay alert for hidden  
hazards or traffic.  
3. After striking a foreign object, stop the engine (motor),  
disconnect the cord on electric motors, thoroughly  
inspect the snow thrower for any damage, and repair  
the damage before restarting and operating the snow  
thrower. Remove key.  
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 op-  
erating position, before unclogging the auger housing  
or discharge chute, and when making any repairs,  
adjustments or inspections.  
6. Whencleaning,repairingorinspectingthesnowthrower,  
stoptheengineandmakecertaintheaugerbladesand  
all moving parts have stopped. Remove key.  
7. Do not run the engine indoors, except when starting  
the engine and for transporting the snow thrower in or  
out of the building. Open the outside doors; exhaust  
fumes are dangerous.  
8. Exercise extreme caution when operating on slopes.  
9. Neveroperatethesnowthrowerwithoutproperguards,  
andothersafetyprotectivedevicesinplaceandworking.  
Maintenance and Storage  
1. Check shear bolts and other bolts at frequent intervals  
for proper tightness to be sure the equipment is in safe  
working condition.  
2. Never store themachinewith fuel inthefuel tankinside  
a building where ignition sources are present such as  
hot water heaters, space heaters, or clothes dryers.  
Allowtheenginetocoolbeforestoringinanyenclosure.  
3. Always refer to operator’s manual for important details  
if the snow thrower 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.  
SERIAL NUMBER: ___________________________  
DATE OF PURCHASE: _______________________  
THEMODELANDSERIALNUMBERSWILLBEFOUND  
ONADECALATTACHEDTOTHEREAROFTHESNOW  
THROWER HOUSING (Figure 1).  
YOUSHOULDRECORDBOTHSERIALNUMBERAND  
DATE OF PURCHASE AND KEEP IN A SAFE PLACE  
FOR FUTURE REFERENCE.  
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.  
PRODUCT MAINTENANCE LEVEL  
SERIAL  
MODEL  
CATALOG  
13. Disengage power to the auger blades when snow  
thrower is transported or not in use.  
CONFORMS TO ANSI B71.3-2005 SAFETY STANDARDS  
FOR SERVICE CALL 1-800-849-1297  
ASSEMBLED IN U.S.A.  
407435  
Orangeburg, SC 29118  
14. Use only attachments and accessories approved by  
the manufacturer of the snow thrower.  
15. Never operate the snow thrower without good visibility  
or light. Always be sure of your footing, and keep a firm  
hold on the handles. Walk; never run.  
Figure 1  
CUSTOMER RESPONSIBILITIES  
16. Never touch a hot engine or muffler.  
Read and observe the safety rules.  
Follow a regular schedule in maintaining, caring for  
and using your snow thrower.  
Follow the instructions under “Maintenance” and “Stor-  
age” sections of this manual.  
Clearing a Clogged Discharge Chute  
Hand contact with the rotating auger blades  
inside the discharge chute is the most common  
cause of injury associated with snow throwers.  
Never use your hand to clean out the discharge  
chute.  
PRODUCT SPECIFICATIONS  
Gasoline Capacity 1.6 Quarts (1,5 Liters)  
and Type:  
Unleaded Regular only  
To clear the chute:  
1. SHUT THE ENGINE OFF!  
2. Wait 10 seconds to be sure the auger blades have  
stopped rotating.  
Oil Type  
(API SG–SL):  
SAE 30 (above 50°F)  
SAE 5W-30 or 10W-30  
(32° to 50°F)  
SAE 5W-30 (below 32°F)  
3. Always use a clearing tool at least 15 inches long.  
Oil Capacity:  
16 Ounces (0,47 Liters)  
Spark Plug:  
Gap:  
F6RTC  
0.030" (0,762 mm)  
3
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TABLE OF CONTENTS  
SAFETY RULES ........................................................ 2-3  
MAINTENANCE..................................................... 11-15  
STORAGE................................................................... 16  
TROUBLESHOOTING................................................ 17  
REPAIR PARTS ..................................................... 18-26  
WARRANTY................................................................ 30  
PRODUCT SPECIFICATIONS...................................... 3  
CUSTOMER RESPONSIBILITIES................................ 3  
SAFETY AND INSTRUCTIONAL DECALS ................. 4  
SETUP........................................................................ 5-6  
OPERATION ............................................................ 7-11  
KNOW YOUR SNOW THROWER  
READ THIS OWNER'S MANUAL AND ALL SAFETY RULES BEFORE OPERATING YOUR SNOW THROWER. Com-  
pare the illustrations with your snow thrower to familiarize yourself with the location of various controls and adjustments.  
Save this manual for future reference.  
These symbols may appear on your snow thrower or in literature supplied with the product. Learn and under-  
stand their meaning.  
IMPORTANT: Safety and instruction decals are located near areas of potential danger. Replace damaged decals.  
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4
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Setup  
Loose Parts  
Use the chart below to verify that all parts have been shipped.  
Procedure  
Description  
No parts required  
Qty.  
Use  
Unfold the handle.  
1.  
2.  
Carriage bolts  
Flange nuts  
Washers  
Knob  
5
4
2
1
1
1
Install the discharge chute.  
Install the discharge chute.  
Install the discharge chute.  
Install the discharge chute.  
Chute  
Deflector  
1. Unfolding the Handle  
Procedure  
2. Installing the Discharge  
Chute  
1. Loosen the two handle knobs and pull out the two  
handle bolts until you can move the handle freely and  
rotate the handle to the operating position (Figure 2).  
5
4
2
1
1
1
Carriage bolts  
Flange nuts  
Washers  
Knob  
Chute  
Deflector  
1
Procedure  
Install the discharge chute as shown (Figure 4).  
1
2
5
4
3
4
Figure 2  
1. Handle knobs  
2. Handle bolt  
2
3
2. Tightenthehandleknobsuntiltheyaresnug(Figure3).  
6
Figure 4  
4. Washer  
5. Knob  
6. Discharge chute  
1. Deflector  
2. Carriage bolts  
3. Flange nuts  
Figure 3  
IMPORTANT: Do not overtighten the flange nuts;  
otherwise you may damage the discharge chute.  
5
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3. Filling the Engine with Oil  
Product Overview  
ENGINE  
See engine manual.  
13  
LUBRICATION  
1
4
Use only high quality detergent oil rated with API service  
classification SG–SL. Select the oil's SAE viscosity grade  
according to your expected operating temperature.  
2
12  
NOTE: Although multi-viscosity oils (5W30, 10W30 etc.)  
improve starting in cold weather, these multi-viscosity oils  
will result in increased oil consumption when used above  
32°F. Check your engine oil level more frequently to avoid  
possible engine damage from running low on oil.  
5
3
*11  
Change the oil after every 25 hours of operation or at least  
once a year if the snow thrower is not used for 25 hours  
in one year.  
6
7
Check the crankcase oil level before starting the engine  
and after each five (5) hours of continuous use. Tighten oil  
fill cap / dipstick securely each time you check the oil level.  
8
10  
9
*11  
Figure 7  
Figure 5  
1. Discharge chute  
2. Chute deflector handle  
3. Fuel tank cap  
4. Control bar  
8. Electric-start button  
9. Oil drain plug  
NOTE: 10W30 synthetic oil is acceptable for use in cold  
temperatures.  
10. Drive belt cover  
*11. Oil fill cap/dipstick  
12. Ignition key  
1. Move the snowthrower to a level surface.  
2. Clean around the dipstick (Figure 6).  
5. Recoil start handle  
6. Primer  
NOTE: Dipstick location may vary depending on engine  
13. Chute deflector  
type.  
7. Choke lever  
3. Remove either side mounted filler cap dipstick or high  
oil fill dipstick and wipe it clean.  
* Dipstick location may vary depending on engine type.  
1
Fill if oil  
is below  
“Add”  
on the  
dipstick  
Fill if oil is  
below letter  
“L” on the  
filler cap  
Figure 6  
1. Oil filler cap/dipstick  
4. Insert the dipstick into the filler neck and turn clockwise  
until fully seated. Then remove the dipstick by turning  
it counter-clockwise.  
5. Fill oil to "FULL" on dipstick with the recommended oil.  
6. Securely screw in the oil filler cap/dipstick.  
6
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NOTE: For best results, purchase only the quantity of  
gasoline that you expect to use in 30 days. Otherwise,  
you may add fuel stabilizer to newly purchased gasoline  
to keep it fresh for up to 6 months.  
Operation  
NOTE: Determine the left and right sides of the machine  
from the normal operating position.  
Checking the Engine Oil  
Level  
• Gasoline is extremely flammable and explosive.  
A fire or explosion from gasoline can burn you  
and others.  
To prevent a static charge from igniting the gaso-  
line, place the container and/or snowthrower on  
the ground before filling, not in a vehicle or on  
an object.  
NOTE: 10W30 synthetic oil is acceptable for use in cold  
temperatures.  
1. Move the snowthrower to a level surface.  
2. Clean around the dipstick (Figure 9).  
NOTE: Dipstick location may vary depending on engine  
type.  
• Fill the tank outdoors when the engine is cold.  
Wipe up spills.  
• Do not handle gasoline when smoking or around  
an open flame or sparks.  
3. Remove either side mounted filler cap dipstick or high  
oil fill dipstick and wipe it clean.  
• Store gasoline in an approved fuel container, out  
of the reach of children.  
• Do not tip the snowthrower with fuel in the fuel  
tank.  
1
Fill if oil  
is below  
“Add”  
The operation of any snow thrower can result  
in foreign objects thrown into the eyes, which  
canresultinsevereeyedamage. Alwayswear  
safety glasses or eye shields while operating  
your snow thrower or performing any adjust-  
ments or repairs. We recommend standard safety glasses  
on the  
dipstick  
or a wide vision safety mask worn over spectacles.  
Fill if oil is  
below letter  
“L” on the  
filler cap  
IMPORTANT: Know how to operate all controls before  
adding fuel or attempting to start the engine.  
Figure 9  
Filling the Fuel Tank  
1. Oil filler cap/dipstick  
Fill the fuel tank with fresh unleaded gasoline, do not  
exceed 87 octane rating (Figure 8).  
4. Insert the dipstick into the filler neck and turn clockwise  
until fully seated. Then remove the dipstick by turning  
it counter-clockwise.  
5. Fill oil to "FULL" on dipstick with the recommended oil.  
6. Securely screw in the oil filler cap/dipstick.  
NOTE: Running the engine with a low oil level can cause  
enginedamage.Alwayschecktheengineoilbeforestartup.  
NOTE: Running the engine with too much oil may cause  
engine damage and excess smoke in the exhaust. Always  
check the engine oil level before start up.  
Figure 8  
IMPORTANT: Do not add oil to the gasoline.  
IMPORTANT: Do not use E85 blended fuels. This engine  
is not E20/E30/E85 compatible. Alternative fuels with  
high alcohol content can cause hard starting, poor engine  
performance, and may cause internal engine damage.  
7
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3. Firmly push in the primer 3 times with your thumb,  
holding the primer in a for a second before releasing  
it each time (Figure 12).  
Starting the Engine  
1. Push key in (Figure 10).  
1
1
Figure 12  
1. Primer  
Figure 10  
1. Key  
NOTE: Remove your glove when you push in the primer  
so that air cannot escape from the primer hole.  
2. Move choke lever to left position (Figure 11).  
IMPORTANT: Do not use the primer or the choke if the  
engine has been running and is hot. Excessive priming  
may flood the engine and prevent it from starting.  
4. Connect an extension cord to the snowthrower and  
plug the other end into a three-hole grounded 120  
volt A.C. receptacle and push the electric-start button  
(Figure 13), or pull the recoil start handle (Figure 14).  
1
1
Figure 11  
1. Choke lever  
Figure 13  
1. Electric start button  
NOTE: Use only a UL-listed, 16-gauge extension cord  
recommended for outdoor use that is not longer than 50  
feet (15 m).  
8
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Engaging the Auger Blades  
The electrical cord can become damaged, causing  
a shock or fire.  
To engage the auger blades, hold the control bar against  
the handle (Figure 15).  
Thoroughlyinspecttheelectricalcordbeforeplug-  
ging it into a power source. If the cord is damaged,  
do not use it to start the snowthrower. Replace or  
repair the damaged cord immediately. Contact an  
Authorized Service Dealer for assistance.  
1
1
Figure 15  
1. Control bar  
Disengaging the Auger  
Blades  
To disengage the auger blades, release the control bar  
(Figure 16).  
Figure 14  
1. Recoil start handle  
IMPORTANT: Run the electric starter no more than 10  
times at intervals of 5 seconds on, then 5 seconds off.  
Running the electric starter extensively can overheat and  
damage it. If the engine does not start after this series  
of attempts, wait at least 40 minutes to allow the starter  
to cool before attempting to start it again. If the engine  
does not start after the second series of attempts, take  
the snowthrower to an Authorized Service Dealer for  
service.  
1
NOTE: If you pull the recoil handle and feel no resistance,  
the starter may be frozen. Thaw out the starter before  
attempting to start the snowthrower.  
5. While the engine is running, move the choke lever  
slowly to the right position.  
6. Unplug the extension cord from the power source and  
the snowthrower (Figure 13).  
Unplug the power cord whenever you are not start-  
ing the snowthrower.  
Figure 16  
1. Control bar  
9
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Stopping the Engine  
To stop the engine, pull key out (Figure 17).  
Clearing a Clogged  
Discharge Chute  
Hand contact with the rotating auger blades  
inside the discharge chute is the most common  
cause of injury associated with snow throwers.  
Never use your hand to clean out the discharge  
chute.  
1
To clear the chute:  
1. SHUT THE ENGINE OFF!  
2. Wait 10 seconds to be sure the auger blades have  
stopped rotating.  
3. Always use a clearing tool at least 15 inches long, not  
your hands (Figure 19).  
1. Key  
Figure 17  
Adjusting the Discharge  
Chute and Chute Deflector  
Toadjustthedischargechute, movedeflectorchutehandle  
left or right to desired position (Figure 18).  
Figure 19  
1
3
2
Preventing Freeze-up after  
Use  
Let the engine run for a few minutes to prevent moving  
parts from freezing. Stop the engine, wait for all mov-  
ing parts to stop, and remove ice and snow from the  
snowthrower.  
Clean off any snow and ice from the base of the chute.  
Rotate the discharge chute left and right to free it from  
any ice buildup.  
With the ignition key in the Off position, pull the recoil  
starter handle several times or connect the electrical  
cord to a power source and the snowthrower and push  
theelectricstartbuttononcetopreventtherecoilstarter  
and/or the electric starter from freezing up.  
Figure 18  
In snowy and cold conditions, some controls and mov-  
ing parts may freeze. Do not use excessive force when  
trying to operate frozen controls. If you have difficulty  
operating any control or part, start the engine and let  
it run for a few minutes.  
1. Chute deflector knob  
2. Chute deflector  
3. Chute handle  
To raise or lower the angle of the chute deflector, loosen  
the chute deflector knob on the chute deflector and move  
the chute deflector up or down (Figure 18).  
10  
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Operating Tips  
The best time to remove snow is the early morning.  
At this time the snow is usually dry and has not been  
exposed to the direct sun and warming temperatures.  
Slightly overlap each successive path to ensure all  
snow will be removed.  
The auger blades can throw stones, toys, and  
other foreign objects and cause serious personal  
injury to the operator or to bystanders.  
• Keep the area to be cleared free of all objects  
that the auger blades could pick up and throw.  
• Keep all children and pets away from the area  
of operation.  
Throw snow downwind whenever possible.  
For extremely heavy snow, reduce the width of snow  
removal by overlapping previous path and moving  
slowly.  
Keep engine clean and clear of snow during use. This  
will help air flow and extend engine life.  
After snow-throwing is completed, allow engine to run  
for a few minutes to melt snow and ice off the engine.  
Clean the entire snow thrower thoroughly after each  
use and wipe dry so it is ready for next use.  
• Do not operate snow thrower if weather condi-  
tions impair visibility. Throwing snow during  
a heavy, windy snowstorm can blind you and  
be hazardous to the safe operation of the snow  
thrower.  
Maintenance  
NOTE: Determine the left and right sides of the machine from the normal operating position.  
11  
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Adjusting the Control Cable  
1. With the control bar disengaged, unhook and move  
the control cable to the highest position. (Figure 21).  
Adjusting the Control Cable  
Checking the Control Cable  
Release the control bar to remove the slack in the control  
cable (Figure 20).  
1
Position 2  
2
3
1
Position 1: Default position  
(LowerHoleasshowninillustration)  
Figure 21  
1. Control bar  
2. Adjuster link  
3. Cable positions  
Figure 20  
1. Control bar  
Inspecting the Auger Blades  
Before each session, inspect the auger blades for wear.  
When a auger blade edge has worn down have an  
Authorized Service Dealer replace the auger blades and  
the scraper (Figure 22).  
IMPORTANT: The control cable must contain some slack  
when you disengage the control bar for the auger blades  
to stop properly.  
NOTE: You may need to adjust the control cable from  
position 1 (default) to position 2 if you notice belt slip  
when the control bar is engaged.  
NOTE: If the control cable is adjusted to position 2,  
ensure that the auger stops properly when the control bar  
is released  
1
2
Figure 22  
1. Auger blades  
2. Scraper  
12  
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7. Clean around the oil filler cap/dipstick (Figure 24).  
Changing the Engine Oil  
Run the engine a few minutes before changing the  
oil to warm it. Warm oil flows better and carries more  
contaminants.  
8. Unscrew the oil fill cap/dipstick and remove it  
(Figure 24).  
9. With the snowthrower in the operating position, care-  
fully pour oil into the oil fill hole until "Full" on the fill  
cap/dipstick line (Figure 26).  
Maxfill:18oz.(0.5l),type:automotivedetergentoilwith  
an API service classification of SJ, SL, or higher.  
Use Figure 25 below to select the best oil viscosity for  
the outdoor temperature range expected:  
The engine oil will be hot. Avoid skin contact  
with the used engine oil.  
1. Move snowthrower to a level surface.  
2. Run snowthrower until all fuel has been depleted.  
3. Remove ignition key.  
Figure 25  
1
Fill if oil  
is below  
“Add”  
on the  
dipstick  
Figure 23  
1. Oil drain plug  
4. Place an oil drain pan under the oil drain plug, remove  
theoildrainplug,andtipthesnowthrowerbackwardand  
drain the used oil in the oil drain pan (Figure 23).  
Fill if oil is  
below letter  
“L” on the  
filler cap  
5. After draining the used oil, return the snowthrower to  
the operating position.  
6. Install the oil drain plug and torque to 145-150 in-lbs  
(17 N-m).  
NOTE: Dipstick location may vary depending on engine  
type.  
Figure 26  
NOTE: 10W30 synthetic oil is acceptable for use in cold  
temperatures.  
10. Screw in the oil fill cap/dipstick and hand tighten it  
securely.  
11. Wipe up any spilled oil.  
1
12. Dispose of the used oil properly at a local recycling  
center.  
1
Figure 24  
1. Oil fill cap/dipstick  
13  
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5. Remove the oil fill cap.  
6. Remove the shroud assembly (Figure 28).  
7. Install the oil fill cap.  
Servicing the Spark Plug  
Use a NGK BPR6ES, Champion RN9YC, or BOSCH  
WR6DC spark plug or equivalent.  
8. Disconnect the spark plug wire from the spark plug  
(Figure 29).  
1. Stop the engine and wait for all moving parts to stop.  
2. Rotate the discharge chute so that it faces forward.  
3. Remove the discharge chute, the discharge chute  
handle by removing the three carriage bolts and flange  
nuts (Figure 27).  
9. Clean around the spark plug.  
10. Remove the spark plug from the cylinder head.  
1
1
2
3
Figure 29  
1. Spark plug wire  
IMPORTANT: Replace a cracked, fouled, or dirty spark  
plug. Do not clean the electrodes because grit entering  
the cylinder can damage the engine.  
11. Set the gap on the plug to 0.030 inch (0.76 mm)  
(Figure 30).  
Figure 27  
1. Discharge chute  
3. Flange nuts  
2. Carriage bolts  
0.030 inch  
(0.76 mm)  
4. Remove the six screws that secure the shroud as-  
sembly (Figure 28).  
1
2
Figure 30  
12. Installthesparkplugandtorqueitto20–22ft-lb(27–30  
N-m).  
13. Connect the spark plug wire to the spark plug  
(Figure 29).  
3
14. Remove the oil fill cap.  
15. Install the shroud with the screws removed in step 4  
(Figure 28).  
Figure 28  
NOTE: Ensure that the shroud assembly fits together in  
the side grooves.  
1. Screw  
3. Oil fill cap  
16. Install the oil fill cap.  
2. Shroud assembly  
17. Install the discharge chute, and the discharge chute  
handle onto the snowthrower using the hardware re-  
moved in step 3 (Figure 27).  
14  
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4. Install the new drive belt, routing it as shown in  
(Figure 32).  
NOTE: Route the new drive belt first around the engine  
pulley, then the idler pulley, and finally around the drive  
pulley while pressing down on the front of the idler arm.  
(Figure 32).  
Replacing the Drive Belt  
If drive belt becomes worn, oil-soaked, excessively  
cracked, frayed, or otherwise damaged, replace the belt.  
1. Removethedrivesidecoverbyremovingthesixscrews  
as shown in (Figure 31).  
5. Install the drive side cover with the screws removed in  
step 1.  
5
3
6
2
4
1
7
2
1
3
2
Figure 31  
4
Figure 32  
1. Drive side cover  
2. Screw  
5. Idler pulley  
6. Engine pulley  
7. Drive belt  
1. Idler arm  
3. Drive pulley  
4. Idler arm  
2. Idler pulley  
3. Engine pulley  
4. Drive pulley  
2. Press down on front of idler arm to release the belt  
tension (Figure 31).  
3. Removethedrivebeltfromthedrivepulley(Figure31).  
NOTE: Ensure that the drive belt is properly adjusted  
and operating; refer to Checking the Control Cable and  
Adjusting the Control Cable in the Maintenance section  
of this manual.  
15  
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ENGINE OIL  
Storage  
Drain oil (with engine warm) and replace with clean engine  
oil. (See “Changing the Engine Oil” section of this manual).  
Storing the Snowthrower  
CYLINDER  
1. Remove spark plug.  
2. Pour one ounce (29 ml) of oil through spark plug hole  
into cylinder.  
Immediately prepare your snow thrower for storage at  
the end of the season or if the unit will not be used for 30  
days or more.  
3. Pullrecoilstarterhandleslowlyafewtimestodistribute  
oil.  
WARNING: Never store the snow thrower with  
gasoline in the tank inside a building where fumes  
may reach an open flame, spark or pilot light as  
on a furnace, water heater, clothes dryer or gas  
appliance. Allow the engine to cool before storing  
in any enclosure.  
4. Replace with new spark plug.  
OTHER  
Remove safety ignition key; store it in a safe place.  
Do not store gasoline from one season to another.  
Replace your gasoline can if your can starts to rust.  
Rust and/or dirt in your gasoline will cause problems.  
SNOW THROWER  
When snow thrower is to be stored for a period of time,  
clean it thoroughly, remove all dirt, grease, leaves, etc.  
Store in a clean, dry area.  
1. Clean entire snow thrower after each use.  
2. Inspect and replace belts, if necessary (See “Replace-  
ing the Drive Belt” section of this manual).  
If possible, store your snow thrower indoors and cover  
it to protect it from dust and dirt.  
Cover your snow thrower with a suitable protective  
cover that does not retain moisture. Do not use plastic.  
Plastic cannot breathe, which allows condensation to  
form and will cause your snow thrower to rust.  
IMPORTANT: Never cover snow thrower while engine/  
exhaust area is still warm.  
3. Besurethatallnuts,bolts,screws,andpinsaresecurely  
fastened. Inspect moving parts for damage, breakage  
and wear. Replace if necessary.  
4. Touch up all rusted or chipped paint surfaces; sand  
lightly before painting.  
FUEL SYSTEM  
IMPORTANT: It is important to prevent gum deposits from  
forming in essential fuel system parts such as carburetor,  
fuel hose, or tank during storage. Also, alcohol blended  
fuels (called gasohol or using ethanol or methanol) can  
attract moisture which leads to separation and formation  
of acids during storage. Acidic gas can damage the fuel  
system of an engine while in storage.  
Empty the fuel tank by starting the engine and letting  
it run until the fuel lines and carburetor are empty.  
Never use engine or carburetor cleaner products in  
the fuel tank or permanent damage may occur.  
Use fresh fuel next season.  
NOTE: Fuel stabilizer is an acceptable alternative in mini-  
mizing the formation of fuel gum deposits during storage.  
Add stabilizer to gasoline in fuel tank or storage container.  
Always follow the mix ratio found on stabilizer container.  
Run engine at least 10 minutes after adding stabilizer to  
allow the stabilizer to reach the carburetor. Do not empty  
the gas tank and carburetor if using fuel stabilizer.  
16  
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Troubleshooting  
See appropriate section in manual unless directed to an authorized service center/department.  
PROBLEM  
CAUSE  
CORRECTION  
Does not start  
1. Fuel shut-off valve (if so  
equipped) in OFF position.  
2. Safety ignition key  
is not inserted.  
1. Turn fuel shut-off valve to OPEN position.  
2. Insert safety ignition key.  
3. Out of fuel.  
3. Fill fuel tank with fresh, clean gasoline.  
4. Move throttle to FAST position  
(or ON/OFF switch to ON position).  
5. Move to FULL position.  
6. Prime as instructed in the Operation section of this manual.  
7. Wait a few minutes before restarting, DO NOT prime.  
8. Connect wire to spark plug.  
4. Throttle in STOP position  
(or ON/OFF switch is OFF).  
5. Choke in OFF position.  
6. Primer not depressed.  
7. Engine is flooded.  
8. Spark plug wire is  
disconnected.  
9. Bad spark plug.  
10. Stale fuel.  
11. Water in fuel.  
9. Replace spark plug.  
10. Empty fuel tank & carburetor, refill with fresh, clean gasoline.  
11. Empty fuel tank & carburetor, refill with fresh, clean gasoline.  
Loss of power  
1. Spark plug wire loose.  
2. Throwing too much snow.  
3. Fuel tank cap is covered  
with ice or snow.  
1. Reconnect spark plug wire.  
2. Reduce speed and width of swath.  
3. Remove ice and snow on and around fuel tank cap.  
4. Dirty or clogged muffler.  
5. Improper cable length.  
4. Clean or replace muffler.  
5. Adjust cable.  
Engine idles or  
runs roughly  
1. Choke is in FULL position.  
2. Blockage in fuel line.  
3. Stale fuel.  
4. Water in fuel.  
5. Carburetor is in need of  
adjustment or overhaul.  
1. Move choke to OFF position.  
2. Clean fuel line.  
3. Empty fuel tank & carburetor, refill with fresh, clean gasoline.  
4. Empty fuel tank & carburetor, refill with fresh, clean gasoline.  
5. Contact an authorized service center/department.  
Excessive  
vibration  
1. Loose parts or damaged  
augers or impeller.  
1. Tighten all fasteners. Replace damaged parts. If vibration  
remains, contact an authorized service center/department.  
Recoil starter  
is hard to pull  
1. Frozen recoil starter.  
1. See “IF RECOIL STARTER HAS FROZEN”  
in the Operation section of this manual.  
Loss of traction 1. Drive belt is worn.  
1. Check / replace drive belt.  
2. Check / reinstall drive belt.  
3. Contact an authorized service center/department.  
drive / slowing  
of drive speed  
2. Drive belt is off of pulley.  
3. Auger blades worn.  
Loss of snow  
discharge or  
slowing of  
1. Auger belt is off of pulley.  
2. Auger belt is worn.  
3. Clogged discharge chute.  
1. Check / reinstall auger belt.  
2. Check / replace auger belt.  
3. Clean snow chute.  
4. Remove debris or foreign object from augers / impeller.  
snow discharge 4. Augers / impeller jammed.  
17  
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REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96188000400)  
CHUTE ASSEMBLY  
1
4
4
2
4
2
5
18  
3
6
19  
19  
16  
7
17  
6
8
15  
20  
9
15  
10  
11  
21  
19  
SSST-Chute asm_5  
4
NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm  
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.  
Failure to do so could be hazardous, damage your snow thrower and void your warranty.  
18  
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REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96188000400)  
CHUTE ASSEMBLY  
KEY  
NO.  
PART  
NO.  
QTY  
1
DESCRIPTION  
1
532 43 48-77  
532 43 76-40  
532 43 76-35  
817 41 13-12  
532 43 76-42  
873 97 05-00  
532 43 48-79  
532 08 13-28  
532 43 48-78  
532 13 20-04  
532 43 76-26  
532 43 73-18  
532 43 76-55  
532 19 19-38  
532 43 76-43  
819 13 13-16  
819 13 20-16  
532 42 88-67  
CHUTE.RATCHETING.PLASTIC.W/GRV  
PLATE.CHUTE.RETAINER  
PLATE.CHUTE.BASE  
BOLT.HEX.WSH.HD.13-16 X 3/4  
HANDLE.CHUTE.MS428  
NUT.LOCK.HX.W/INS 5/16-18 UNC PL  
SPRING.RATCHET.ARM  
BOLT.SHOULDER.1/4-20 UNC X .94  
ARM.CHUTE.RATCHET  
HEX.NUT.1/4-20 NYLON LOCKING  
PLENUM  
2
2
3
1
4
6
5
1
6
4
7
1
8
1
9
1
10  
11  
15  
16  
17  
18  
19  
20  
21  
1
1
5
CARRIAGE.BOLT  
1
CHUTE  
1
HANDLE.KNOB  
1
DEFLECTOR.CHUTE  
WASHER  
3
1
WASHER.RATCHET.PAWL  
BOLT  
1
NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm  
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.  
Failure to do so could be hazardous, damage your snow thrower and void your warranty.  
19  
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REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96188000400)  
HANDLE ASSEMBLY  
1
2
5
4
3
5
6
SSST-Handle asm_1  
KEY  
NO.  
PART  
NO.  
QTY  
DESCRIPTION  
1
2
3
4
5
6
532 43 76-67  
532 43 76-64  
532 43 48-06  
532 19 19-38  
532 19 15-74  
532 14 50-06  
1
1
1
2
2
1
BAIL.HANDLE.PAINT.MS431  
HANDLE.PNT.UPPER.SSST  
CONTROL.CABLE  
KNOB.HANDLE.BLACK  
BOLT.HANDLE.BLACK PATCHED  
CLIP.PUSH-IN.HINGED  
NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm  
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.  
Failure to do so could be hazardous, damage your snow thrower and void your warranty.  
20  
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REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96188000400)  
AUGER ASSEMBLY  
2
1
3
10  
11  
4
14  
7
5
6
13  
1
9
12  
8
9
11  
12  
5
10  
5
11  
13  
6
4
SSST-Auger asm_1  
7
1
KEY  
PART  
NO.  
NO.  
1
QTY  
DESCRIPTION  
BOLT.CARRIAGE  
872 11 04-07  
532 43 76-20  
532 19 96-87  
532 43 76-18  
532 13 20-04  
819 09 10-16  
532 43 74-59  
532 43 76-17  
532 43 76-21  
532 43 76-22  
817 60 04-06  
872 11 04-04  
873 68 04-00  
812 00 00-28  
12  
1
2
PIN.ROLL.3/16 X 1-1/4  
BOLT.1/4-20.1.50"  
3
1
4
2
PLATE.CENTER.BLADE  
5
13  
8
HEX.NUT.1/4-20 NYLON LOCKING  
WASHER 9/32 X 5/8 X 16 GA.  
BLADE.AUGER  
6
7
2
8
1
WELDMENT.AUGER.ASM  
9
2
SUPPORT.BEARING.SSST.PNT  
BEARING.BALL.MANDREL  
SCREW.HEX.WASHEAD.1/4-20 X 3/8  
BOLT.CARR.SS.1/4-20 UNC X 1/2.GR5  
WHIZ.LOCK.NUTS.BEARING CAPS  
RETAINING.CLIP  
10  
11  
12  
13  
14  
2
4
2
2
1
NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm  
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.  
Failure to do so could be hazardous, damage your snow thrower and void your warranty.  
21  
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REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96188000400)  
SHROUD ASSEMBLY  
14  
5
6
17  
9
7
1
13  
15  
15  
9
15  
4
16  
10  
16  
3
16  
2
10  
8
9
10  
SSST-Shroud asm_8  
12  
11  
NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm  
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.  
Failure to do so could be hazardous, damage your snow thrower and void your warranty.  
22  
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REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96188000400)  
SHROUD ASSEMBLY  
KEY  
NO.  
PART  
NO.  
QTY  
DESCRIPTION  
1
532 43 76-27  
532 43 76-30  
532 43 76-34  
532 43 02-20  
532 43 62-35  
532 43 54-07  
532 43 76-48  
532 43 76-31  
817 41 13-12  
817 67 04-12  
532 43 48-80  
532 14 68-48  
532 43 76-58  
532 43 54-09  
532 43 48-68  
532 43 62-76  
532 19 66-88  
1
1
1
1
1
1
1
1
4
12  
1
2
1
2
3
1
4
COVER.NON-DRIVE.SIDE.MS428  
COVER.DRIVE.SIDE.MS428  
TOP.COVER  
2
3
4
CAP.ASM.FUEL.2.25"FR.N/CB.E10  
BULB.PRIMER  
5
6
KEY HOUSING  
7
TOP.REAR.COVER  
PLATE.EXHAUST.PNT.  
SCREW  
8
9
10  
11  
12  
13  
14  
15  
16  
17  
SCREW.HEXWSH.THDROL.1/4-20X3/4  
TANK.FUEL.ASM  
TIE.CABLE.24.5X.29.NYLON.WHITE  
COVER.REAR.LOWER  
KEY  
CLIP  
HANDLE.STARTER  
CLIPS  
NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm  
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.  
Failure to do so could be hazardous, damage your snow thrower and void your warranty.  
23  
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REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96188000400)  
FRAME ASSEMBLY  
11  
1
10  
3
4
12  
2
8
3
12  
5
6
4
6
9
SSST-Frame asm_3  
7
NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm  
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.  
Failure to do so could be hazardous, damage your snow thrower and void your warranty.  
24  
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REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96188000400)  
FRAME ASSEMBLY  
KEY  
NO.  
PART  
NO.  
QTY  
1
DESCRIPTION  
1
532 43 55-01  
532 43 76-06  
532 43 76-62  
532 43 54-17  
532 43 55-78  
532 15 04-06  
532 19 17-30  
872 14 04-05  
532 43 55-35  
532 43 48-57  
532 43 48-74  
817 41 13-12  
LCT.ENGINE  
2
1
FRAME.WELDMENT  
3
2
WHEEL.8X1.5.BRICK.GS.3SPK.MS421  
NUT.PUSH.AXLE.0.5IN  
SCREW. 5/16-24 X 2.00"HHCS  
BOLT.ENG. 3/8-16 X 1.280  
NUT.HEX.FLANGE.1/4-20.CTR.LOCK  
BOLT.RDHD.SQNK.1/4-20 UNC X 5/8  
PLATE.SCRAPER  
4
2
5
2
6
2
7
3
8
3
9
1
10  
11  
12  
2
SPACER.ENGINE  
1
LEVER.CHOKE  
2
HEX.BOLT  
NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm  
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.  
Failure to do so could be hazardous, damage your snow thrower and void your warranty.  
25  
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REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC621ES (96188000400)  
DRIVE ASSEMBLY  
1
3
7
4
5
2
8
6
11  
10  
9
12  
SSST-Drive asm_3  
13  
KEY  
NO.  
PART  
NO.  
QTY  
1
DESCRIPTION  
1
532 43 48-60  
532 43 45-02  
532 42 64-90  
532 85 10-74  
532 43 72-61  
532 43 08-17  
532 43 48-59  
532 43 76-09  
532 16 60-43  
817 06 06-20  
532 19 90-92  
817 06 06-20  
532 43 53-83  
532 17 45-72  
532 43 64-28  
SPACER.ENGINE.CRANK  
KEEPER.ENGINE.BELT  
2
1
3
1
PULLEY.ENG.TRACTION.3/4  
WASHER.HARDEN  
4
1
5
1
BELT-V.TRACTION  
6
1
SCREW.CAP.SCHD.3/8-24 X 1.25  
SPRING.IDLER.PULLEY.RETURN  
ARM.IDLER.PNT.MS431  
7
1
8
1
9
1
PULLEY.IDLER.BACKSIDE  
SCREW.HXWH.THDRL.1/4-20X1-1/4  
SPACER.RETAINER  
10  
11  
12  
13  
- -  
- -  
1
1
1
SCREW.3/8-16X1.SMGML.TAP/R.BLK  
PULLEY.DRIVEN  
1
1
DECAL.SPARK.CANADA  
1
OWNER'S.MANUAL.ENGLISH/FRENCH  
NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm  
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.  
Failure to do so could be hazardous, damage your snow thrower and void your warranty.  
26  
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SERVICE NOTES  
27  
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REPAIR PARTS SNOWTHROWER--MODELNUMBER MC621ES(96188000400)  
ENGINE, LCT  
COMPLETE ENGINE-435501  
56  
37  
36  
27  
57  
34  
49  
30  
31  
29  
62  
47  
38  
39  
10 10A  
44  
12  
22A  
22  
53*  
40  
52*  
41  
*Included  
with part# 40  
50  
21  
23  
65  
26  
26A  
20 20A  
48  
28  
19  
46  
18  
6
8
11  
3
17  
Electric Start Only  
28  
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REPAIR PARTS SNOWTHROWER--MODELNUMBER MC621ES(96188000400)  
ENGINE, LCT  
COMPLETE ENGINE-435501  
KEY PART  
NO. NO.  
KEY PART  
NO. NO.  
DESCRIPTION  
DESCRIPTION  
3
6
8
437121  
437122  
437123  
SNOW MUFFLER ASSY  
SNOW CARBURETOR ASSY  
FUEL PRIMER BULB WITH  
HOSE  
ELECTRIC STARTER ASSY (IF  
EQUIPPED)  
EUROPEAN 230V ELECTRIC  
STARTER ASSY (IF EQUIPPED)  
KEY SWITCH ASSY  
26A 420585  
MANUAL START FLYWHEEL  
ASSY (IF EQUIPPED)  
HIGH OIL FILL TUBE ASSY  
FLYWHEEL FAN  
IGNITION COIL ASSY  
CRANKCASE COVER ASSY  
BLACK OIL DIPSTICK  
SPARK PLUG BOOT  
GOVERNOR ARM ASSY  
GOVERNOR SHAFT  
GOVERNOR GEAR ASSY  
CAMSHAFT  
CYLINDER HEAD ASSY  
SPARK PLUG  
PISTON AND ROD ASSY  
VAPOR SHIELD  
SEAL KIT  
WIRE HARNESS  
CRANKSHAFT  
SPEED CONTROL BRACKET  
ROCKER ARM KIT  
PUSH ROD KIT  
CYLINDER ASSEMBLY  
GASKET KIT  
FUEL HOSE KIT  
NON-REMOVABLE OIL PLUG  
OIL DRAIN PLUG KIT  
27  
28  
29  
30  
31  
34  
36  
37  
38  
39  
40  
41  
44  
46  
47  
48  
49  
50  
52  
53  
54  
56  
57  
62  
65  
424969  
420586  
420595  
420606  
420961  
436966  
420601  
420602  
429646  
420584  
420578  
424939  
420582  
429260  
429599  
437967  
429600  
429259  
429691  
420579  
436567  
429601  
438014  
435495  
435495  
10  
437124  
10A 437125  
11  
12  
17  
424954  
424955  
436967  
CDI BOX  
SNOW RECOIL STARTER  
ASSY  
18  
19  
20  
436968  
424968  
424971  
STARTER CUP SMALL  
SNOW STARTER GRIP  
BLOWER HOUSING ASSEMBLY  
ELECTRIC START SNOW  
(BLACK) (IF EQUIPPED)  
BLOWER HOUSING ASSEMBLY  
MANUAL START -SNOW  
(BLACK) (IF EQUIPPED)  
SHIELD, CYLINDER  
SHIELD, FLYWHEEL-ELECTRIC  
START (IF EQUIPPED)  
SHIELD, FLYWHEEL-MANUAL  
START (IF EQUIPPED)  
VALVE COVER  
20A 429230  
21  
22  
424973  
424975  
22A 429596  
23  
26  
420580  
429235  
ELECTRIC START FLYWHEEL  
ASSY (IF EQUIPPED)  
29  
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LIMITED WARRANTY  
The Manufacturer warrants to the original consumer purchaser that this product as manufactured is free from defects in mate-  
rials and workmanship. For a period of two (2) years from date of purchase by the original consumer purchaser, we will repair  
or replace, at our option, without charge for parts or labor incurred in replacing parts, any part which we find to be defective  
due to materials or workmanship. This Warranty is subject to the following limitations and exclusions.  
1. This warranty does not apply to the engine, transaxle/transmission components, battery (except as noted below) or com-  
ponents parts thereof. Please refer to the applicable manufacturer's warranty on these items.  
2. Transportation charges for the movement of any power equipment unit or attachment are the responsibility of the purchas-  
er. Transportation charges for any parts submitted for replacement under this warranty must be paid by the purchaser un-  
less such return is requested by the manufacturer.  
3. Battery Warranty: On products equipped with a Battery, we will replace, without charge to you, any battery which we find  
to be defective in manufacture, during the first ninety (90) days of ownership. After ninety (90) days, we will exchange the  
Battery, charging you 1/12 of the price of a new Battery for each full month from the date of the original sale. Battery must  
be maintained in accordance with the instructions furnished.  
4. The Warranty period for any products used for rental or commercial purposes is limited to 90 days from the date of origi-  
nal purchase.  
5. This Warranty applies only to products which have been properly assembled, adjusted, operated, and maintained in ac-  
cordance with the instructions furnished. This Warranty does not apply to any product which has been subjected to altera-  
tion, misuse, abuse, improper assembly or installation, delivery damage, or to normal wear of the product.  
6. Exclusions: Excluded from this Warranty are belts, blades, blade adapters, normal wear, normal adjustments, standard  
hardware and normal maintenance.  
7. In the event you have a claim under this Warranty, you must return the product to an authorized service dealer.  
Should you have any unanswered questions concerning this Warranty, please contact:  
In Canada contact:  
HOP  
HOP  
Outdoor Products Customer Service Dept.  
9335 Harris Corners Parkway  
Charlotte, NC 28269 USA  
5855 Terry Fox Way  
Mississauga, Ontario  
L5V 3E4  
giving the model number, serial number and date of purchase of your product and the name and address of the authorized  
dealer from whom it was purchased.  
THIS WARRANTY DOES NOT APPLY TO INCIDENTAL OR CONSEQUENTIAL DAMAGES AND ANY IMPLIED WARRAN-  
TIES ARE LIMITED TO THE SAME TIME PERIODS STATED HEREIN FOR OUR EXPRESSED WARRANTIES. Some areas  
do not allow the limitation of consequential damages or limitations of how long an implied Warranty may last, so the above  
limitations or exclusions may not apply to you. This Warranty gives you specific legal rights, and you may have other rights  
which vary from locale to locale.  
This is a limited Warranty within the meaning of that term as defined in the Magnuson-Moss Act of 1975.  
436428 Rev 1 08.20.10 TH  
Printed in the U.S.A.  
30  
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