MTD Snow Blower 235 User Manual

Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty  
OPERATOR’S MANUAL  
Single-Stage Snow Thrower  
Model 235, S235  
IMPORTANT  
READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION  
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-  
covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).  
If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above is required by law  
(Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester  
for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131 Cleveland,  
Ohio 44136-0019.  
FORM NO. 769-01801  
04/2005  
PRINTED IN U.S.A.  
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019  
 
 
1
Safety  
Labels  
 
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WARNING  
This symbol points  
out important safety  
instructions which, if  
not followed, could  
endanger the personal  
safety and/or property  
of yourself and others.  
Read and follow all  
instructions in this  
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manual before  
attempting to operate  
this machine. Failure  
to comply with these  
instructions may result  
in personal injury. When  
you see this symbol.  
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HEED ITS WARNING!  
Your Responsibility  
Restrict the use of  
this power machine to  
persons who read,  
understand and  
follow the warnings  
and instructions in this  
manual and on the  
machine.  
3
 
WARNING: Engine Exhaust, some of its constituents, and certain vehicle compo-  
nents contain or emit chemicals known to State of California to cause cancer and  
birth defects or other reproductive harm.  
2
DANGER: This machine was built to be operated according to the rules for safe operation in this  
manual. As with any type of power equipment, carelessness or error on the part of the operator can  
result in serious injury. This machine is capable of amputating hands and feet and throwing objects.  
Safe  
Operation Failure to observe the following safety instructions could result in serious injury or death.  
Training  
Preparation  
1. Read, understand, and follow all instructions on the  
machine and in the manual(s) before attempting to  
assemble and operate. Keep this manual in a safe place for  
future and regular reference and for ordering replacement  
parts.  
1. Thoroughly inspect the area where the equipment is to be  
used. Remove all doormats, newspapers, sleds, boards,  
wires and other foreign objects, which could be tripped over  
or thrown by the auger/impeller.  
Practices  
2. Always wear safety glasses or eye shields during operation  
and while performing an adjustment or repair to protect your  
eyes. Thrown objects which ricochet can cause serious  
injury to the eyes.  
3. Do not operate without wearing adequate winter outer  
garments. Do not wear jewelry, long scarves or other  
loose clothing, which could become entangled in moving  
parts. Wear footwear which will improve footing on slippery  
surfaces.  
4. Use a grounded three-wire extension cord and receptacle  
for all units with electric start engines.  
5. Adjust collector housing height to clear gravel or crushed  
rock surfaces.  
2. Be familiar with all controls and their proper operation.  
Know how to stop the machine and disengage them quickly.  
3. Never allow children under 14 years old to operate this  
machine. Children 14 years old and over should read and  
understand the operation instructions and safety rules in  
this manual and should be trained and supervised by a  
parent.  
4. Never allow adults to operate this machine without proper  
instruction.  
5. Thrown objects can cause serious personal injury. Plan  
your snow-throwing pattern to avoid discharge of material  
toward roads, bystanders and the like.  
6. Keep bystanders, helpers, pets and children at least 75 feet  
from the machine while it is in operation. Stop machine if  
anyone enters the area.  
7. Exercise caution to avoid slipping or falling, especially  
when operating in reverse.  
WARNING  
This symbol points  
out important safety  
instructions which, if  
not followed, could  
endanger the personal  
safety and/or property  
of yourself and others.  
Read and follow all  
instructions in this  
6. Disengage all control levers before starting the engine.  
7. Never attempt to make any adjustments while engine is  
running, except where specifically recommended in the  
operator’s manual.  
8. Let engine and machine adjust to outdoor temperature  
before starting to clear snow.  
9. To avoid personal injury or property damage use extreme  
care in handling gasoline. Gasoline is extremely flammable  
and the vapors are explosive. Serious personal injury can  
occur when gasoline is spilled on yourself or your clothes,  
which can ignite. Wash your skin and change clothes  
immediately.  
manual before at-  
tempting to operate  
this machine. Failure  
to comply with these  
instructions may result  
in personal injury. When  
you see this symbol.  
a. Use only an approved gasoline container.  
b. Extinguish all cigarettes, cigars, pipes and other sources  
of ignition.  
c. Never fuel machine indoors.  
d. Never remove gas cap or add fuel while the engine is hot  
or running.  
HEED ITS WARNING!  
e. Allow engine to cool at least two minutes before refuel-  
ing.  
f. Never over fill fuel tank. Fill tank to no more than ½ inch  
below bottom of filler neck to provide space for fuel  
expansion.  
g. Replace gasoline cap and tighten securely.  
h. If gasoline is spilled, wipe it off the engine and equip-  
ment. Move machine to another area. Wait 5 minutes  
before starting the engine.  
i. Never store the machine or fuel container inside where  
there is an open flame, spark or pilot light (e.g. furnace,  
water heater, space heater, clothes dryer etc.).  
j. Allow machine to cool at least 5 minutes before storing.  
Your Responsibility  
Restrict the use  
of this power machine  
to persons who read,  
understand  
and follow the warnings  
and instructions  
in this manual  
and on the machine.  
4
 
Operation  
Maintenance & Storage  
1. Do not put hands or feet near rotating parts, in the auger/im- 1. Never tamper with safety devices. Check their proper  
peller housing or chute assembly. Contact with the rotating  
parts can amputate hands and feet.  
2. The auger/impeller control lever is a safety device. Never  
bypass its operation. Doing so makes the machine unsafe  
and may cause personal injury.  
3. The control levers must operate easily in both directions  
and automatically return to the disengaged position when  
released.  
4. Never operate with a missing or damaged chute assembly.  
Keep all safety devices in place and working.  
5. Never run an engine indoors or in a poorly ventilated area.  
Engine exhaust contains carbon monoxide, an odorless and  
deadly gas.  
6. Do not operate machine while under the influence of alcohol  
or drugs.  
7. Muffler and engine become hot and can cause a burn. Do  
not touch.  
8. Exercise extreme caution when operating on or crossing  
gravel surfaces. Stay alert for hidden hazards or traffic.  
9. Exercise caution when changing direction and while operat-  
ing on slopes.  
10. Plan your snow-throwing pattern to avoid discharge towards  
windows, walls, cars etc. Thus, avoiding possible property  
damage or personal injury caused by a ricochet.  
11. Never direct discharge at children, bystanders and pets or  
allow anyone in front of the machine.  
12. Do not overload machine capacity by attempting to clear  
snow at too fast of a rate.  
13. Never operate this machine without good visibility or light.  
Always be sure of your footing and keep a firm hold on the  
handles. Walk, never run.  
14. Disengage power to the auger/impeller when transporting  
or not in use.  
15. Never operate machine at high transport speeds on slippery  
surfaces. Look down and behind and use care when  
backing up.  
16. If the machine should start to vibrate abnormally, stop the  
engine, disconnect the spark plug wire and ground it against  
the engine. Inspect thoroughly for damage. Repair any  
damage before starting and operating.  
17. Disengage all control levers and stop engine before you  
leave the operating position (behind the handles). Wait  
until the auger/impeller comes to a complete stop before  
unclogging the chute assembly, making any adjustments, or  
inspections.  
operation regularly. Refer to the maintenance and adjust-  
ment sections of this manual.  
2
2. Before cleaning, repairing, or inspecting machine disen-  
gage all control levers and stop the engine. Wait until the  
auger/impeller come to a complete stop. Disconnect the  
spark plug wire and ground against the engine to prevent  
unintended starting.  
3. Check bolts and screws for proper tightness at frequent  
intervals to keep the machine in safe working condition.  
Also, visually inspect machine for any damage.  
4. Do not change the engine governor setting or over-speed  
the engine. The governor controls the maximum safe  
operating speed of the engine.  
5. Snow thrower shave plates and skid shoes are subject to  
wear and damage. For your safety protection, frequently  
check all components and replace with original equipment  
manufacturer’s (OEM) parts only. “Use of parts which do  
not meet the original equipment specifications may lead to  
improper performance and compromise safety!”  
6. Check controls periodically to verify they engage and  
disengage properly and adjust, if necessary. Refer to the  
adjustment section in this operator’s manual for instructions.  
7. Maintain or replace safety and instruction labels, as neces-  
sary.  
Safe  
Operation  
Practices  
WARNING  
This symbol points  
8. Observe proper disposal laws and regulations for gas, oil,  
etc. to protect the environment.  
out important safety  
instructions, which if  
not followed, could  
endanger the personal  
safety and/or property  
of yourself and others.  
Read and follow all  
instructions in this man-  
ual before attempting to  
operate this machine.  
Failure to comply with  
these instructions may  
result in personal injury.  
When you see this  
9. Prior to storing, run machine a few minutes to clear snow  
from machine and prevent freeze up of auger/impeller.  
10. Never store the machine or fuel container inside where  
there is an open flame, spark or pilot light such as a water  
heater, furnace, clothes dryer etc.  
11. Always refer to the operator’s manual for proper instructions  
on off-season storage.  
Do not modify engine  
To avoid serious injury or death, do not modify engine in any  
way.Tampering with the governor setting can lead to a runaway  
engine and cause it to operate at unsafe speeds. Never tamper  
with factory setting of engine governor.  
Notice regarding Emissions  
Engines which are certified to comply with California and federal  
EPA emission regulations for SORE (Small Off Road Equipment)  
are certified to operate on regular unleaded gasoline, and may  
include the following emission control systems: Engine Modifica-  
tion (EM) and Three Way Catalyst (TWC) if so equipped.  
symbol.  
HEED IT’S WARNING!  
Your Responsibility  
18. Never put your hand in the discharge or collector openings.  
Always use the clean-out tool provided to unclog the  
discharge opening. Do not unclog chute assembly while en-  
gine is running. Shut off engine and remain behind handles  
until all moving parts have stopped before unclogging.  
19. Use only attachments and accessories approved by the  
manufacturer (e.g. wheel weights, tire chains, cabs etc.).  
20. If situations occur which are not covered in this manual,  
use care and good judgment. Contact your White Outdoor  
dealer or call (800) 949-4483 for the name of your nearest  
servicing dealer.  
Your Responsibility  
Restrict the use  
of this power machine  
to persons who read,  
understand  
and follow the warnings  
and instructions  
in this manual  
Restrict the use of this power machine to persons who read, un-  
derstand and follow the warnings and instructions in this manual  
and on the machine.  
and on the machine.  
5
 
NOTE: This Operator’s Manual covers several models.  
Snow thrower features vary by model. Not all features  
discussed in this manual are applicable to all snow  
thrower models.  
1
3
NOTE: All references to left or right side of the snow  
thrower is from the operating position only  
Setup And  
Adjustment  
Contents of Carton  
Carton contents are listed below with part numbers in  
parentheses.  
2
1. Two Ignition Keys (725-0201)  
2. 2.6 oz Bottle of 2 Cycle Oil (737-04037)  
3. Extension Cord (if so equipped) (629-0236)  
WARNING: Disconnect the spark plug  
wire and ground it against the engine to  
prevent unintended starting.  
Figure 1  
Positioning the Upper Handle  
1. Remove packing material, if present.  
NOTE:  
This Operator’s Manual  
covers several models.  
Snow thrower features  
vary by model. Not  
all features discussed  
in this manual are  
2. Making sure not to pinch the cable in the process,  
pivot the upper handle into the operating position as  
illustrated in Figure 1 until it clicks into place.  
2
3. Tighten the wing knobs to secure the handle in place  
as in Figure 1.  
Assembling the Discharge Chute  
For shipping reasons, the snow thrower has been  
packaged with the upper chute pivoted all the way down.  
To pivot it upward, proceed as follows:  
applicable to all snow  
thrower models.  
3
NOTE:  
1. Turn the chute until the chute opening is facing  
straight ahead. Remove the wing knob, flat washer  
and carriage bolt from the lower chute. See Figure 2.  
All references to left  
or right side of the  
snow thrower is  
from the operating  
position only.  
1
2. Pivot the upper chute upward over the lip on the lower  
chute so that there is NO gap between the upper  
chute and the lower chute.  
Figure 2  
3. Resecure with the hardware just removed. If installed  
correctly, your snow thrower should look like Figure 3.  
IMPORTANT:  
Do not use the  
chute handle to lift  
the snow thrower.  
IMPORTANT: Do not use the chute handle to lift the  
snow thrower.  
Chute Handle  
Figure 3  
6
 
Auger Control Handle  
4
Know  
Your Snow  
Thrower  
Electric Starter Button  
Key  
Starter Handle  
Fuel Cap  
Primer  
Chute Assembly  
Spark Plug Access  
IMPORTANT:  
This unit runs on a  
mixture of fuel  
Choke Lever  
and oil. Do NOT  
operate the snow  
thrower without first  
reading the Tecumseh  
engine operator’s  
Shave Plate  
Auger  
manual for instructions  
regarding proper fuel  
and engine oil mixture.  
Figure 4  
Auger  
Choke Lever  
When engaged, the augers rotation draws snow into the  
auger housing and throws it out the discharge chute.  
Rubber paddles on the augers also aid in propelling the  
unit as they come in contact with the pavement.  
CHOKE  
OFF  
ON  
NOTE:  
This unit may  
Activating choke control closes the choke plate on  
carburetor and aids in starting engine. Refer to the engine  
manual packed with unit for more detailed instructions.  
Auger Control Handle  
include a fuel plug,  
which is only used  
during assembly to  
keep dirt and debris  
out of fuel tank.  
Discard the fuel plug  
before filling the  
fuel tank.  
Located on the upper handle, the auger control handle  
is used to engage and disengage drive to the auger.  
Squeeze the control handle against the upper handle to  
engage auger; release it to disengage.  
Primer  
PRIMER  
Depressing primer forces fuel directly into  
engine’s carburetor to aid in cold-weather  
starting. Refer to engine manual packed with  
Discharge Chute / Chute Handle  
Rotate the discharge chute to the left or right using chute  
handle. Pitch of the discharge chute controls angle at  
which the snow is thrown. Loosen wing knob on side  
of the discharge chute before pivoting discharge chute  
upward or downward. Retighten the knob once desired  
position has been achieved.  
PUSH FOR A  
unit for more detailed instructions.  
COLD ENGINE  
Ignition Key  
Ignition key must be present, inserted in  
key switch, and in the “ON” position for  
engine to start.  
OFF  
Stop  
ON  
Run  
IGNITION  
Recoil Starter  
The starter handle is used to manually start the engine.  
Shave Plate  
The shave plate maintains contact with pavement as  
the snow thrower is propelled, allowing snow close to  
pavement’s surface to be discharged.  
Electric Starter Button (If so equipped)  
Pressing the electric starter button engages the  
engine’s electric starter when plugged into a 120V  
power source  
Fuel Cap  
Remove gas cap to add fuel. This unit runs on a mixture  
of fuel and oil. Do NOT operate the snow thrower without  
first reading the Tecumseh engines operator’s manual for  
instructions regarding proper fuel and engine oil.  
Electric Starter Plug (If so equipped)  
Requires use of a two-prong outdoor extension cord  
(packed with the snow thrower) and a 120V power  
source/wall outlet.  
Spark Plug Cover  
Remove spark plug cover to access spark plug.  
NOTE: This unit may include a fuel plug, which is only  
used during assembly to keep dirt and debris out of fuel  
tank. Discard the fuel plug before filling the fuel tank.  
7
 
Electric  
Starter  
5
Button  
(if equipped)  
Operation  
Starter Handle  
Primer  
Figure 5A  
Key  
Spark Plug Access  
Fuel Cap  
Chute Assembly  
Wing Knob  
Choke Lever  
WARNING  
Read, understand,  
and follow all  
Figure 5  
instructions and  
warnings on the  
machine and in  
this manual before  
operating.  
Before Starting  
To Start Engine  
WARNING: Before starting the  
engine, read, understand, and follow  
all instructions and warnings on the  
machine and in this manual.  
IMPORTANT: For complete and detailed engine starting,  
stopping and storing instructions, it is recommended that  
you read the engine manual also included with this unit.  
1. The spark plug wire was disconnected for safety.  
Attach spark plug wire to spark plug before starting.  
Use extreme care  
when handling  
Positioning the Discharge Chute  
2. To avoid carbon monoxide poisoning, make sure  
engine is outdoors in a well-ventilated area.  
1. Loosen the wing knob found on the left side of the  
discharge chute and pivot the upper chute upward  
or downward to the desired pitch. Retighten the wing  
knob before operating the snow thrower.  
gasoline. Gasoline is  
extremely flammable  
and the vapors are  
explosive. Never fuel  
the machine indoors  
or while the engine  
is hot or running.  
Extinguish cigarettes,  
cigars, pipes and  
other sources of  
3. Insert ignition key into slot. Turn key to ON position.  
4. Now follow the instructions below as it pertains to your  
unit. See Figure 5 for location of controls.  
2. Rotate the discharge chute to the left or right using  
the chute handle. See inset Figure 5A.  
Electric Starter(if equipped)  
Fuel And Oil Mixture  
WARNING: The electric starter must  
be used with a properly grounded  
three-prong receptacle at all times to  
avoid the possibility of electric shock.  
Follow all instructions carefully prior to  
operating the electric starter.  
Your snow thrower is equipped with a two-cycle engine  
that requires a mixture of gasoline and two cycle oil at a  
ratio of 50:1. Refer to the Tecumseh engine operator’s  
manual for detailed instructions regarding the mixture of  
oil and gasoline for your snow thrower’s engine.  
ignition.  
IMPORTANT: Do NOT operate the snow thrower  
without the fuel cap securely in place on the fuel tank.  
The electric starter  
must be used with a  
properly grounded  
three-prong  
1. The electric starter is equipped with a grounded three-  
wire power cord and plug, and is designed to operate  
on 120 volt AC household current.  
Fuel Fill-Up  
1. Check fuel level and add if necessary. Follow related  
instructions in the separate engine manual packed  
with your snow thrower .  
2. Determine that your house wiring is a three-wire  
grounded system. Ask a licensed electrician if you are  
not certain.  
receptacle at all  
times to avoid the  
possibility of electric  
shock. Follow all  
instructions carefully  
prior to operating the  
electric starter.  
3. If your home wiring system is not a three-wire  
grounded system, do not use this electric starter  
under any conditions.  
WARNING: Use extreme care when  
handling fuel. Fuel is extremely flam-  
mable and the vapors are explosive.  
Never fuel machine indoors or while  
the engine is hot or running. Extin-  
guish cigarettes, cigars, pipes and  
other sources of ignition.  
4. If your home electrical system is grounded, but  
a three-hole receptacle is not available, one should  
be installed by a licensed electrician before using the  
electric starter.  
8
 
5. If you have a grounded three-prong receptacle,  
Disconnect the power cord from receptacle first, and  
then from switch box.  
proceed as follows.  
6. Move Choke Control to the “Full” position.  
3. Recoil Starter: With engine running, pull starter rope  
with a rapid, continuous full arm stroke three or four  
times. Pulling the starter rope will produce a loud  
clattering sound, which is not harmful to the engine  
or starter.  
7. Push Primer three (3) times, making sure to cover  
vent hole when pushing.  
5
8. Connect power cord to switch box on dash panel.  
Plug the other end of power cord into a three-prong  
120-volt, grounded, AC receptacle.  
Operation  
4. Wipe all snow and moisture from the carburetor  
cover in the area of the control levers. Also, move  
control levers back and forth several times. Leave  
choke control in the FULL choke position.  
9. Push starter button to crank engine.  
10.When engine starts, release starter button, and move  
choke gradually to 1/2 Choke until the engine runs  
smoothly. Next move Choke to OFF. If engine falters,  
move choke immediately to FULL and then gradually  
to 1/2 then to OFF.  
5. Remove ignition key and disconnect spark plug wire  
to prevent accidental starting.  
Operating the Snow Thrower  
11. Disconnect the power cord. Always unplug from the The pitch of the chute assembly controls the angle at  
WARNING  
outlet first, and then from the snow thrower.  
which the snow is thrown.  
1. Loosen the wing knob found on the left side of the  
chute assembly and pivot the upper chute upward or  
downward to the desired pitch. Retighten the wing  
knob before operating the snow thrower.  
Recoil Starter  
1. Move choke lever to FULL choke position (cold engine  
Muffler, engine and  
surrounding areas  
become hot and  
can cause a burn.  
Do not touch.  
start).  
2. If engine is warm, place choke in OFF position instead  
of FULL.  
2. Position the chute assembly opening by using the  
Chute Handle to throw the snow in the desired  
direction. See inset Figure 5A on page 8.  
3. Push Primer three (3) times, making sure to cover  
vent hole when pushing.  
Never operate the  
snow thrower with  
bystanders in front of  
Clearing Snow  
WARNING: Never operate the snow  
thrower with bystanders in front of or  
near the discharge chute opening.  
4. If engine is warm, push primer button only once.  
NOTE: Always cover vent hole in primer button when  
pushing. Additional priming may be necessary for first  
start if temperature is below 15 degrees Fahrenheit.  
or near the discharge  
chute opening.  
1. Engage the auger  
by squeezing the  
5. Grasp starter handle and pull rope out slowly, until it  
pulls slightly harder. Let rope rewind slowly.  
auger control handle  
against the upper  
handle. See Figure 6.  
6. Pull starter handle rapidly. Do not allow handle to snap  
back. Allow it to rewind slowly while keeping a firm  
hold on the starter handle.  
2. Lift up slightly on the  
handle to allow the  
rubber paddles on  
7. As engine warms up and begins to operate evenly,  
rotate choke lever slowly to the 1/2 Choke position.  
When the engine begins to run smoothly, move the  
choke to the OFF position. If engine falters, return  
to FULL choke, then slowly move to 1/2 then OFF  
position.  
Figure 6  
the auger to contact  
NOTE:  
the pavement and propel the snow thrower forward.  
Pushing downward on the handle will raise the  
augers off the ground and stop forward motion.  
Excessive upward  
pressure on the  
handle will result in  
premature wear  
on the rubber  
auger blades which  
would not be covered  
by warranty.  
3. Discharge snow downwind whenever possible.  
Slightly overlap each previously cleared path.  
To Stop Engine  
1. To stop engine, turn ignition key counter-clockwise.  
Disconnect the spark plug wire from the spark plug  
to prevent accidental starting while equipment is  
unattended.  
NOTE: Excessive upward pressure on the handle will  
result in premature wear on the rubber auger blades  
which would not be covered by warranty.  
To help prevent possible freeze-up of starter,  
proceed as follows:  
1. Run engine for a few minutes before stopping to help  
Operating Tips  
1. Run the engine for a few minutes before stopping to  
help dry any moisture on the engine.  
Excessive upward  
pressure on the handle  
will result in premature  
wear on the rubber auger  
blades which would not  
be covered by warranty.  
dry off any moisture on the engine.  
2. Clean the snow thrower thoroughly after each use.  
2. Electric Starter: Connect power cord to switch box  
on engine, then to 120 volt AC receptacle. With the  
engine running, push starter button and spin the  
starter for several seconds. The unusual sound made  
by spinning the starter will not harm engine or starter.  
WARNING: Muffler, engine and  
surrounding areas become hot and  
can cause a burn. Be careful and do  
not touch when hot.  
9
 
Shave Plate  
1. To check the adjustment of the shave plate, place the  
unit on a level surface. The wheels, shave plate and  
augers should all contact level surface. Note that if the  
shave plate is adjusted too high, snow may blow under  
the housing. If the shave plate wears out excessively,  
or the unit does not self-propel, the shave plate may  
be too low and needs to be adjusted.  
6
Side View  
Adjustments  
&
Maintenance  
NOTE: On new units or units with a new shave plate  
installed, the augers may be slightly off the ground.  
2. To adjust, tip the snow thrower back so that it rests on  
the handle. Loosen the four lock nuts and bolts which  
secure the shave plate to the housing. See Figure 7.  
Move the shave plate to desired position and retighten  
the nuts and bolts securely.  
Replacing Shave Plate  
Figure 7  
The shave plate is attached to the bottom of the auger  
housing and is subject to wear. It should be checked  
periodically. There are two wearing edges and the shave  
plate can be reversed. Refer to Figure 7.  
WARNING  
Disconnect the  
spark plug wire  
and ground it against  
the engine to prevent  
unintended starting.  
1. Remove the four carriage bolts and hex lock nuts  
which attach it to the snow thrower housing.  
2. Install new shave plate, making sure the heads of the  
carriage bolts are on the inside of the housing.  
3. Adjust the shave plate according to instructions  
above. Tighten the nuts securely before operating the  
snow thrower.  
NEVER attempt  
to make any  
adjustments while  
the engine is  
running, except  
where specified in  
the operator’s  
manual.  
NOTE: Call 1-800-800-7310 for information regarding  
price and availability of Shave Plate Kit 753-0451 or  
contact an authorized MTD Service Dealer in your area.  
Control Cable  
As a result of both the control cable and the drive belt  
stretching due to wear, periodic adjustments may be  
necessary.  
Figure 8  
Before servicing,  
repairing, or  
If the auger seems to hesitate when rotating while the  
engine maintains a constant speed, an adjustment is  
necessary. Proceed as follows:  
WARNING: Disconnect the spark plug  
wire and ground it against the engine  
to prevent unintended starting.  
inspecting,  
disengage the  
control bail and  
stop engine. Wait  
until all moving  
parts have come to a  
complete stop.  
The upper hole in the control handle provides for an  
adjustment in cable tension. To adjust, disconnect the  
end of control cable from the bottom hole in the control  
handle and reinsert it in the upper hole. Insert the cable  
from the outside as shown in Figure 8. Test the snow  
thrower to see if there is a noticeable difference.  
WARNING: NEVER attempt to make  
any adjustments while the engine is  
running, except where specified in the  
operator’s manual.  
Carburetor  
WARNING: If any adjustments need to  
be made to the engine while the engine  
is running (e.g. carburetor), keep  
clear of all moving parts. Be careful of  
muffler, engine and other surrounding  
heated surfaces.  
10  
 
1. Refer to the separate engine manual, packed with  
your unit, for carburetor adjustment information  
Replacing Belt  
WARNING: Before servicing, repairing,  
or inspecting, disengage the control  
bail and stop engine. Wait until all  
moving parts have come to a complete  
stop. Disconnect spark plug wire and  
ground it against the engine to prevent  
unintended starting.  
6
Idler Pulley  
Adjustments  
&
Maintenance  
Remove the belt cover by removing five hex screws. See  
Figure 9. Then simply pull the belt off by grasping it from the  
bottom of the auger pulley and pulling off. Once you remove  
the belt from the pulleys, you can push down on the idler  
pulley to release the belt from under the belt keeper.  
Belt Keeper  
To replace the belt follow these instructions and refer to  
Figure 10:  
To remove, pull belt off here  
Figure 9  
1. Push down on the Idler pulley.  
WARNING  
2. Put belt on top of the auger pulley, under belt keeper.  
3. Thread belt around engine pulley.  
1
Before servicing,  
repairing, or inspecting,  
disengage the control  
bail and stop engine.  
Wait until all moving  
parts have come  
3
4. Push belt over bottom of auger pulley.  
Reinstall the belt cover removed earlier.  
Engine  
1. Refer to the separate engine manual for all engine  
maintenance procedures.  
to a complete stop.  
Disconnect spark plug  
wire and ground it  
against the engine to  
prevent unintended  
starting.  
2
2. Check engine and snow thrower frequently for loose  
hardware, and tighten as needed.  
Lubrication  
Lubricate pivot points on the control handle and the  
extension spring at the end of the control cable with a  
light oil once every season and before storage of the  
snow thrower at the end of the season.  
4
Figure 10  
Replacing Auger Paddles  
The snow thrower auger’s rubber paddles are subject to  
wear and should be replaced if any signs of excessive  
wear is present.  
IMPORTANT:  
Do NOT allow the  
auger’s rubber paddles  
to wear to the point  
where portions of the  
metal auger itself can  
come in contact with  
the pavement. Doing  
so can result in serious  
damage to your snow  
thrower.  
IMPORTANT: Do NOT allow the auger’s rubber paddles  
to wear to the point where portions of the metal auger  
itself can come in contact with the pavement. Doing so  
can result in serious damage to your snow thrower.  
NOTE: Call 1-800-800-7310 for information regarding the  
price and availability of Auger Kit 753-04472 or contact  
an authorized MTD Service Dealer in your area.  
To change the rubber paddles, proceed as follows:  
1. Remove the existing rubber paddles by unscrewing the  
self-tapping screws which secure them to the auger.  
See Figure 11.  
2. Secure the replacement rubber paddles to the auger  
using the hardware removed earlier.  
Figure 11  
11  
 
If the snow thrower will not be used for 30 days or  
longer, or if it is the end of the snow season when the  
last possibility of snow is gone, the equipment needs to  
be stored properly. Follow storage instructions below to  
ensure top performance from the snow thrower for many  
more years.  
4. Remove the spark plug and pour one (1) ounce  
of engine oil through the spark plug hole into the  
cylinder. Cover spark plug hole with a rag and crank  
the engine several times to distribute the oil. Replace  
spark plug.  
7
NOTE: Refer to the engine manual for more information  
on preparing the snow thrower engine for storage.  
Off-Season  
Storage  
Preparing Engine  
Preparing Snow Thrower  
WARNING: Never store snow thrower  
with fuel in tank indoors or in poorly  
ventilated areas, where fuel fumes  
may reach an open flame, spark or  
pilot light as on a furnace, water  
1. When storing the snow thrower in an unventilated or  
metal storage shed, care should be taken to rustproof  
the equipment. Using a light oil or silicone, coat the  
equipment, especially any chains, springs, bearings  
and cables.  
heater, clothes dryer or gas appliance.  
2. Remove all dirt from exterior of engine and equipment.  
3. Follow lubrication recommendations on page 11.  
4. Store equipment in a clean, dry area.  
NOTE: It is important to prevent gum deposits from  
forming in essential fuel system parts of the engine such  
as the carburetor, fuel filter, fuel hose or tank during  
storage.  
WARNING  
CAUTION: 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.  
Never store snow  
thrower with fuel  
in tank indoors or  
in poorly ventilated  
areas, where fuel  
fumes may reach an  
open flame, spark  
or pilot light as on a  
furnace, water heater,  
clothes dryer or gas  
appliance.  
To avoid engine problems, the fuel system should be  
emptied before storage for 30 days or longer. Follow  
these instructions to prepare your snow thrower for  
storage:  
WARNING: Drain fuel into an approved  
container outdoors, away from any  
open flame. Be certain engine is cool.  
Do not smoke. Fuel left in engine  
during warm weather deteriorates and  
will cause serious starting problems.  
Drain fuel into an  
approved container  
outdoors, away from  
any open flame. Be  
certain engine is  
cool. Do not smoke.  
Fuel left in engine  
during warm weather  
deteriorates and  
1. Remove all gasoline from the carburetor and the fuel  
tank to prevent gum deposits from forming on these  
parts and harming the engine.  
2. Run the engine until the fuel tank is empty and it  
stops due to lack of fuel.  
3. Drain carburetor by pressing upward on bowl drain,  
located below the carburetor cover. The the engine  
owner’s manual for complete instructions.  
will cause serious  
starting problems.  
WARNING: Do not drain carburetor if  
using fuel stabilizer. Never use engine  
or carburetor cleaning products in the  
fuel tank or permanent damage may  
occur.  
Do not drain  
carburetor if using  
fuel stabilizer.  
Never use engine or  
carburetor cleaning  
products in the fuel  
tank or permanent  
damage may occur.  
NOTE: Fuel stabilizer (such as STA-BIL) is an accept-  
able alternative in minimizing the formation of fuel gum  
deposits during storage. Add stabilizer to gasoline  
in fuel tank or storage container. Always follow mix  
ratio found on stabilizer container. Run engine at least  
10 minutes after adding stabilizer to allow it to reach  
the carburetor. Do not drain carburetor if using fuel  
stabilizer.  
12  
 
Possible Cause(s) Solution  
Problem  
1. Fuel tank empty, or stale fuel  
2. Improper fuel mixture  
3. Blocked fuel line  
4. Key not in ON position  
5. Spark plug wire disconnected  
6. Faulty spark plug  
1. Fill tank with clean fresh gasoline.  
2. Mix new fuel at a ratio of 50:1  
3. Clean fuel line  
4. Insert key and turn to ON position  
5. Connect wire to spark plug.  
6. Clean spark plug, readjust gap, or  
replace.  
7. Prime engine four times.  
8. Wait at least ten minutes before  
starting.  
Engine fails to start  
8
Trouble-  
Shooting  
7. Engine not primed  
8. Engine flooded from excessive  
priming  
1. Unit running on choke  
2. Fuel line blocked, or stale fuel  
1. Move choke lever to OFF position.  
2. Clean fuel line and fill tank with  
fresh, clean gasoline.  
Engine runs erratic  
3. Refer to engine manual for remedy.  
4. Refer to engine manual for remedy.  
3. Water or dirt in fuel system  
4. Carburetor out of adjustment  
Please do NOT  
return the unit to the  
retailerfromwhichitwas  
purchased,without first  
contacting Customer  
Support.  
Engine overheats  
Loss of power  
1. Carburetor out of adjustment  
1. Refer to engine manual for instruction.  
1. Firmly connect spark plug wire.  
2. Clear vent.  
1. Spark plug wire loose  
2. Vent in gas cap plugged  
1. Stop engine immediately and  
disconnect spark plug wire. Check  
for possible damage. Tighten all  
bolts and nuts. Repair as needed. If  
the problem persists, take unit to an  
authorized service dealer.  
1. Loose parts or damaged auger  
Excessive vibration  
Log onto  
www.whiteoutdoor.com  
or call a customer  
service representative  
at 1(800) 949-4483  
Unit fails to self-propel  
1. Drive cable out of adjustment  
2. Drive belt loose or damaged  
1. Adjust control cable following instruc-  
tions on page 9 of this manual.  
2. Replace drive belt.  
Note:  
You will need the  
1. Cable out of adjustment.  
1. Adjust auger control cable as  
shown in “Making Adjustments” on  
page 10.  
Augers continue to rotate  
model number and  
serial number if and  
when calling Customer  
Support, logging  
onto our website and  
contacting a service  
dealer. Please refer  
to page 2 of this  
manual for information  
regarding locating and  
recording your model  
and serial numbers.  
Unit fails to discharge  
snow  
1. Chute assembly clogged.  
1. Stop engine and disconnect spark  
plug wire. Clean chute and inside  
of auger housing with clean-out  
tool or stick.  
2. Replace shear pin.  
2. Shear pin sheared.  
3. Foreign object lodged in auger.  
3. Stop engine immediately and  
disconnect the spark plug wire.  
Remove object from auger.  
4. Adjust auger control cable.  
4. Auger control cable out of  
adjustment.  
5. Auger belt loose or damaged.  
5. Replace auger belt.  
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service representative or  
call 1-866-949-4483 for the Customer Support Center. Refer to the engine manual for more engine related information.  
13  
 
7
52  
1
50  
15  
51  
49  
54  
53  
You can determine which drive  
pulley system your unit has  
by measuring this hole. Units  
with a 3/8hole use these part  
numbers.  
14  
11  
3
13  
8
45  
46  
7
6
12  
28  
23  
33  
You can determine which drive  
31  
pulley system your unit has  
by measuring this hole. Units  
with a 1/4hole use these part  
numbers.  
9
30  
4
27  
37  
41  
47  
44  
35  
25  
22  
39  
25  
34  
48  
36  
42  
34  
21  
5
26  
25  
17  
32  
43  
10  
2
5
19  
20  
18  
16  
29  
40  
24  
14  
 
9
Part List:  
Snow  
REF  
NO.  
PART No.  
DESCRIPTION  
Extension Cord  
Qty. REF  
NO.  
PART No.  
DESCRIPTION  
Thrower  
1
2
6
4
5
6
7
8
9
629-0236  
710-0627  
710-1003  
710-3025  
1
1
2
4
2
1
1
2
4
1
1
1
18  
1
1
1
2
1
1
2
1
1
1
1
24  
6
1
28 712-04064  
29 726-0299  
30 732-0357A  
31 736-0176  
32 736-0326  
33 736-0329  
34 741-0600  
35 684-04168  
36 748-0234  
37 712-0896  
38 784-5174  
Hex Flange Lock Nut, 1/4-20  
Push Cap, 1/2”  
1
2
1
4
1
1
2
1
1
1
2
1
1
1
2
4
1
1
1
1
1
1
1
1
1
1
2
Hex Screw, 5/16-24 x .75  
Screw, #10-16 x .625  
Extension Spring  
Hex Screw, 5/16-18 x .625  
Flat Washer .265 x .938 x .120  
Flat Washer .510 x 1.0 x .125  
Lock Washer, 1/4  
712-04063 Hex Flange Lock Nut, 5/16-18  
725-0157  
726-0154  
726-0205  
736-0119  
Push Mount Cable Tie  
Push Mount Cable Tie  
Clamp, Hose  
Ball Bearing 17 x 40 x 12  
Idler Pulley (Pulley hole 1/4”)  
Shoulder Spacer .25  
Hex Lock Nut 1/4-28  
Bearing Cup  
Washer, Lock 5/16  
10 736-0159  
11 747-04150  
Flat Washer .349 x .879 x .063  
Gas Tank Support Wire  
For parts and/or  
accessories  
please call  
12 7511825510 Choke Lever Knob  
39 790-00238A Idler Brkt. w/Brake (Pulley hole 1/4”)  
13 751-0535  
14 751-10023  
15 751-10278  
Hose, Fuel Line  
Tank, Fuel  
1-800-949-4483  
40 790-00045  
41 756-0625  
42 735-04033  
43 735-04032  
Belt Cover  
Cable Roller  
Rubber Paddle  
Crescent Spiral  
Cap, Fuel  
16 754-0101A V-Belt, 1/2  
17 756-0416B Pulley Half, .625 ID x 2.25 OD  
44 684-04025A Auger Axle  
18 756-0475  
Pulley, 1/2 V 1/2-20 LH x 6.0  
45 7510009636 Recoil Handle, Mitten  
19 790-00225 2-Cycle Mounting Bracket  
20 734-04063 Wheel, 7 x 1.61 Dia. Tread  
21 684-04027A Auger Assembly Complete  
46 7512B1476  
47 738-0924  
48 684-04167  
49 790-00238  
50 756-0313  
51 710-0191  
52 712-0116  
53 7519630  
54 722-3022  
Primer  
Carriage Screw 1/4-28  
Auger Assembly Housing 21”  
Idler Brkt. w/ Brake (Pulley hole 3/8”)  
Idler Pulley (3/8” hole)  
Hex Screw 3/8-24 x 1.25  
Jam Lock Nut 3/8--24  
Recoil Handle (Optional)  
Foam Tape .625 X.25  
22 710-0106  
23 710-0642  
24 710-0653  
25 710-0896  
26 710-1005  
27 710-3008  
Hex Screw, 1/4-20 x 1.00 Gr. 5  
Hex Screw 1/4-20 x .75 Gr. 5  
Self-tapping Screw 1/4-20 x .375  
Hex Screw, 1/4-14 x 0.625”  
Self-tapping Screw, 1/4-14 x .50”  
Hex Screw 5/16-18 x .75  
NOTES: For a proper working machine,  
use Factory Approved Parts. V-belts are  
designed to engage and disengage safely.  
A substitute (non OEM) V-belt can be  
dangerous by not disengaging completely.  
NOTE: Snow thrower features/components vary by model. NOT all parts listed above and pictured on the previous  
page are standard equipment.  
15  
 
32  
19  
38  
9
33  
22  
Part List:  
Snow  
17  
Thrower  
15  
21  
20  
6
4
8
5
For parts and/or  
accessories  
please call  
7
1-800-949-4483  
3
34  
13  
2
1
35  
37  
27  
14  
30  
29  
36  
9
31  
12  
10  
4
24  
18  
16  
11  
27  
29  
25  
25  
23  
26  
27  
28  
16  
 
REF  
NO.  
PART NUMBER  
DESCRIPTION  
Qty.  
9
1
684-04127  
710-04071  
710-0451  
712-04063  
720-0284  
731-04388A  
731-04426A  
736-0159  
710-0487  
720-0284  
725-0157  
736-0451  
747-04159  
749-04106  
684-04161  
710-04187  
710-1003  
710-1882  
712-0252  
725-2018  
736-0225  
736-0400  
732-0357A  
736-0362  
710-0134  
710-3008  
712-04064  
731-1033  
Chute Assembly  
1
1
1
6
1
1
1
1
2
2
1
2
1
1
1
3
5
2
1
1
1
5
1
2
8
1
9
1
4
1
1
2
1
1
1
1
1
3
Part List:  
Snow  
2
Carriage Bolt 5/16-18 x 1.0”  
Carriage Bolt 5/16-18 x 0.750”  
Flange Lock Nut, 5/16-18  
Chute Knob Assembly  
Chute Handle  
3
4
Thrower  
5
6
7
Upper Chute  
8
Washer  
9
Carriage Bolt 5/16-18 x 2.0 Gr. 1  
Handle Knob Assembly 5/16-18  
Cable Tie  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
Saddle Washer .320 x .93  
Bail, Gull Wing  
For parts and/or  
accessories  
please call  
Upper Handle, Gull Wing  
Shroud Assembly 2 Cyc. 5.5hp.  
Screw, 1/4-15 x .50  
1-800-949-4483  
Self-tapping Screw, #10-16 x .625”  
Hex Flange Screw 5/16-18 x 1.50 Gr. 5  
Hex Nut 5/8-32 x .12 Special  
Key Switch-Electric Start  
Lock Washer Internal .625 x 1.058  
Flat Washer .194” x .62” x .063  
Extension Spring  
Flat Washer .330 x 1.25 x .06  
Screw, 1/4-20 x .62  
Truss Machine Screw, 5/16-18 x .75  
Hex Flange Lock Nut, 1/4-20  
Shave Plate,19.88  
736-0176  
746-04237  
749-04114  
725-0201  
731-1133C  
731-04127  
731-04353  
731-04886  
732-04111  
731-0511  
Flat Washer .265 x .938 x .120  
Control Cable  
Lower Handle  
Ignition Key  
Spark Plug Cover  
Lower Chute 5” Dia  
Ring-Lower Chute  
Chute, Adapter 5” Dia  
Chute Adjustment Spring  
Strip Trim  
17  
 
The following accessories and kits are available for single-stage, two-cycle snow throwers. See the  
retailer from which you purchased your snow thrower, an authorized MTD Service Dealer or phone  
(800) 800-7310 for information regarding price and availability  
10  
Accessories  
& Kits  
MODEL  
DESCRIPTION  
OEM-390-697  
Electric Start Kit  
(fits models with a two-cycle Tecumseh 3 HP or 3.5 HP engine)  
OEM-390-996  
Electric Start Kit  
(fits models with a two-cycle Tecumseh 4.5 HP – 5.5 HP engine)  
OEM-737-0325  
753-0451  
MTD two-cycle snow thrower oil (contains six 2.6 oz. bottles)  
Shave Plate (includes replacement shave plate and hardware)  
Rubber Auger Kit, Snow Thrower Single Stage  
753-04472  
For parts and/or  
accessories  
please call  
1-800-949-4483  
18  
 
11  
NOTES:  
Use this page to make  
notes and write down  
important information.  
For parts and/or  
accessories  
please call  
1-800-949-4483  
19  
 
MANUFACTURER’S LIMITED WARRANTY FOR  
The limited warranty set forth below is given by MTD LLC with respect to  
new merchandise purchased and used in the United States, its posses-  
sions and territories.  
e.  
MTD does not extend any warranty for products sold or  
exported outside of the United States, its possessions and  
territories, except those sold through MTD’s authorized  
channels of export distribution.  
MTD” warrants this product against defects in material and workmanship  
for a period of two (2) years commencing on the date of original purchase  
and will, at its option, repair or replace, free of charge, any part found to  
be defective in materials or workmanship. This limited warranty shall only  
apply if this product has been operated and maintained in accordance  
with the Operator’s Manual furnished with the product, and has not been  
subject to misuse, abuse, commercial use, neglect, accident, improper  
maintenance, alteration, vandalism, theft, fire, water, or damage because  
of other peril or natural disaster. Damage resulting from the installation or  
use of any part, accessory or attachment not approved by MTD for use  
with the product(s) covered by this manual will void your warranty as to  
any resulting damage.  
f.  
g.  
Replacement parts that are not genuine MTD parts.  
Transportation charges and service calls.  
No implied warranty, including any implied warranty of merchant-  
ability of fitness for a particular purpose, applies after the applicable  
period of express written warranty above as to the parts as identi-  
fied. No other express warranty, whether written or oral, except as  
mentioned above, given by any person or entity, including a dealer  
or retailer, with respect to any product, shall bind MTD. During the  
period of the warranty, the exclusive remedy is repair or replacement  
of the product as set forth above.  
The provisions as set forth in this warranty provide the sole and  
exclusive remedy arising from the sale. MTD shall not be liable  
for incidental or consequential loss or damage including, without  
limitation, expenses incurred for substitute or replacement lawn care  
Normal wear parts are warranted to be free from defects in material and  
workmanship for a period of thirty (30) days from the date of purchase.  
Normal wear parts include, but are not limited to items such as: batteries,  
belts, blades, blade adapters, grass bags, rider deck wheels, seats, snow services or for rental expenses to temporarily replace a warranted  
thrower skid shoes, shave plates, auger spiral rubber and tires.  
product.  
HOW TO OBTAIN SERVICE: Warranty service is available, WITH  
Some states do not allow the exclusion or limitation of incidental or  
PROOF OF PURCHASE, through your local authorized service dealer. To consequential damages, or limitations on how long an implied warranty  
locate the dealer in your area, check your Yellow Pages, or contact MTD  
LLC at P.O. Box 361131, Cleveland, Ohio 44136-0019, or call 1-800-949-  
4483 or log on to our Web site at www.whiteoutdoor.com.  
lasts, so the above exclusions or limitations may not apply to you.  
In no event shall recovery of any kind be greater than the amount of the  
purchase price of the product sold. Alteration of safety features of the  
product shall void this warranty. You assume the risk and liability for  
loss, damage, or injury to you and your property and/or to others and their  
property arising out of the misuse or inability to use the product.  
This limited warranty does not provide coverage in the following cases:  
a.  
The engine or component parts thereof. These items may  
carry a separate manufacturer’s warranty. Refer to applicable  
manufacturer’s warranty for terms and conditions.  
Log splitter pumps, valves, and cylinders have a separate one  
year warranty.  
Routine maintenance items such as lubricants, filters, blade  
sharpening, tune-ups, brake adjustments, clutch adjustments,  
deck adjustments, and normal deterioration of the exterior finish  
due to use or exposure.  
This limited warranty shall not extend to anyone other than the original  
purchaser or to the person for whom it was purchased as a gift.  
b.  
c.  
HOW STATE LAW RELATES TO THIS WARRANTY: This limited war-  
ranty gives you specific legal rights, and you may also have other rights  
which vary from state to state.  
IMPORTANT: Owner must present Original Proof of Purchase to obtain  
warranty coverage.  
d.  
Service completed by someone other than an authorized service  
dealer.  
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019; Phone: 1-800-949-4483  
 

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