MTD 31A-32AD762, 31A-32AD729 Owner’s Manual

Safe Operation Practices Set-Up Operation Maintenance Service Troubleshooting Warranty
L
Two-Stage Snow Thrower m 300 Series
MTD LLC, P.O. BOX 361131 CLEVELAND, OHiO 44136-0019
PrintedIn USA FormNo.769-03940A
(June6,2008)
ToTheOwner
1
Thank you for purchasing a Snow Thrower manufactured by MTD LLC. It was carefully engineered to provide excellent performance when properly operated and maintained.
Please read this entire manual prior to operating the equipment. It instructs you how to safely and easily set up, operate and maintain your machine. Please be sure that you, and any other persons who will operate the machine, carefully follow the
recommended safety practices at all times. Failure to do so could result in personal injury or property damage.
All information in this manual is relative to the most recent product information available at the time of printing. Review
this manual frequently to familiarize yourself with the unit, its features and operation. Please be aware that this Operator's
Manual may cover a range of product specifications for various models. Characteristics and features discussed and/or illustrated
in this manual may not be applicable to all models. MTD LLC reserves the right to change product specifications, designs and
equipment without notice and without incurring obligation.
Table of Contents
Safe Operation Practices ........................................ 3
Assembly & Set-Up .................................................. 7
Controls and Features ............................................ 11
Operation ................................................................ 13
Maintenance and Adjustments ............................ 13
Engine Maintenance .............................................. 17
This product has met the rigid safety standards of the Outdoor Power Equipment Institute and an independent testing laboratory. If you have any problems or questions concerning the
unit, phone your local authorized MTD service dealer or contact us directly. MTD's Customer Support telephone numbers, website address and mailing address can be found on this page. We want to ensure your complete satisfaction at all times.
Throughout this manual, all references to right and left side of the machine are observed from the operating position
The engine manufacturer is responsible for all engine-related issues with regards to performance, power-rating, specifications, warranty and service. Please refer to the engine manufacturer's Owner's/Operator's Manual, packed separately with your unit, for
more information.
Service ..................................................................... 19
Troubleshooting ..................................................... 21
Replacement Parts ................................................ 22
Warranty ................................................................ 23
Espanol ................................................................... 26
RecordProduct Information
Before setting up and operating your new equipment, please locate the model plate on the equipment and record the
information in the provided area to the right. You can locate the model plate by standing at the operator's position and looking down at the rear of the frame. This information will be necessary, should you seek technical support via our web site, Customer
Support Department, or with a local authorized service dealer.
MODEL NUMBER
D[31313131313131313D
SERIAL NUMBER
DF=IDF=IDF=IDF=IDF=ID
CustomerSupport
Please do NOT return the unit to the retailer or dealer without first contacting our Cu;tomer Support Department.
If you have difficulty assembling this product or have any questions regarding the controls, operation, or maintenance of this unit, you can seek help from the experts. Choose from the options below:
0 Visit us on the web at www.mtdproducts.com
0 Call a Customer Support Representative at (800) 800-7310 or (330) 220-4683 0 Write us at MTD LLC RO. Box 361131 Cleveland, OH 44136-0019
ImportantSafeOperationPractices
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 manual before attempting to operate this machine. Failure to comply
with these instructions may result in personal injury. When you see this symbol. HEED ITS WARNING!
CALIFORNIA PROPOSITION 65
WARNING! Engine Exhaust, some of its constituents, and certain vehicle components
contain or emit chemicals known to State of California to cause cancer and birth defects or other reproductive harm.
DANGER: This machine was built to be operated according to the safe operation practices 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 fingers, hands,
toes and feet and throwing foreign objects. Failure to observe the following safety
instructions could result in serious injury or death.
2
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 pa rts.
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 of age to operate this machine. Children 14 and over should read and understand
the instructions and safe operation practices in this manual and on the machine and be trained and supervised by an
adult.
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, pets and children at least 75 feet from the machine while it is in operation. Stop machine if anyone
enters the area. Exercise caution to avoid slipping or falling, especially
when operating in reverse.
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.
1. 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.
2. 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.
3. Use a grounded three-wire extension cord and receptacle for all machines with electric start engines.
4. Adjust collector housing height to clear gravel or crushed rock surfaces.
5. Disengage all control levers before starting the engine.
6. Never attempt to make any adjustments while engine is running, except where specifically recommended in the operator's manual.
7. Let engine and machine adjust to outdoor temperature before starting to clear snow.
SafeHandling of Gasoline
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.
a. Use only an approved gasoline container. b. Extinguish all cigarettes, cigars, pipes and other
sources of ignition. Never fuel machine indoors.
C.
d.
Never remove gas cap or add fuel while the engine is hot or running.
e. Allow engine to cool at least two minutes before
refueling.
f. Never over fill fuel tank. Fill tank to no more than 1/2
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
equipment. 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. k. Never fill containers inside a vehicle or on a truck
or trailer bed with a plastic liner. Always place
containers on the ground away from your vehicle
before filling. I. If possible, remove gas-powered equipment from
the truck or trailer and refuel it on the ground. If this
is not possible, then refuel such equipment on a
trailer with a portable container, rather than from a
gasoline dispenser nozzle. m. Keep the nozzle in contact with the rim of the fuel
tank or container opening at all times until fueling is
complete. Do not use a nozzle lock-open device.
Operation
1. Do not put hands or feet near rotating parts, in the auger/ impeller 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. Keep children away.
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 operating 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.
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 engine 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. When starting engine, pull cord slowly until resistance is felt, then pull rapidly. Rapid retraction of starter cord
(kickback) will pull hand and arm toward engine faster than you can let go. Broken bones, fractures, bruises or sprains
could result.
21.
If situations occur which are not covered in this manual, use care and good judgment. Contact Customer Support for assistance and the name of your nearest servicing dealer.
4 I SECTION 2 -- IMPORTANT SAFE OPERATION PRACTICES
Maintenance & Storage
1. Never tamper with safety devices. Check their proper operation regularly. Refer to the maintenance and
adjustment sections of this manual.
2. Before cleaning, repairing, or inspecting machine disengage 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 control levers 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 necessary.
8. Observe proper disposal laws and regulations for gas, oil, etc. to protect the environment.
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.
12. Check fuel line, tank, cap, and fittings frequently for cracks or leaks. Replace if necessary.
13. Do not crank engine with spark plug removed.
14. According to the Consumer Products Safety Commission (CPSC) and the U.S. Environmental Protection Agency (EPA), this product has an Average Useful Life of seven (7) years,
or 60 hours of operation. At the end of the Average Useful Life have the machine inspected annually by an authorized service dealer to ensure that all mechanical and safety systems are working properly and not worn excessively. Failure to do so can result in accidents, injuries or death.
Donot 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 Modification (EM), Oxidizing Catalyst (OC), Secondary Air Injection (SAI) and Three Way Catalyst (TWC) if so equipped.
SparkArrestor
internal combustion engine and should not be used
_ ARNING! This machine is equipped with an
Ira 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 attester 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.
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).
SECTION 2 -- IMPORTANT SAFE OPERATION PRACTICES S
Safety Symbols
This page depicts and describes safety symbols that may appear on this product. Read, understand, and follow all instructions on the machine before attempting to assemble and operate.
READ THE OPERATOR'S MANUAL(S) Read, understand, and follow all instructions in the manual(s) before attempting to
assemble and operate
WARNING-- ROTATING BLADES
Keep hands out of inlet and discharge openings while machine is running. There are rotating blades inside
WARNING-- ROTATING BLADES
Keep hands out of inlet and discharge openings while machine is running. There are rotating blades inside
WARNING-- ROTATING AUGER
Do not put hands or feet near rotating parts, in the auger/impeller housing or chute
assembly. Contact with the rotating parts can amputate hands and feet.
........!i........
WARNING--THROWN OBJECTS This machine may pick up and throw and objects which can cause serious personal injury.
WARNING--GASOLINE IS FLAMMABLE Allow the engine to cool at least two minutes before refueling.
WARNING-- CARBON MONOXIDE
Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas.
WARNING-- ELECTRICAL SHOCK
Do not use the engine's electric starter in the rain
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.
6 I SECTION 2 -- IMPORTANT SAFE OPERATION PRACTICES
SAVETHESEINSTRUCTIONS!
Assembly& Set-Up
Contentsof Carton
One Snow Thrower One Snow Thrower Operator's
Manual
Assembly
Setting UpTheHandle
I. Remove cable tie (if present) securing upper handle to
lower handle for shipping purposes. Remove all protective plastic wrapping from handles.
NOTE: Be careful NOT to remove the three loosely fitted cable ties that will be utilized later to secure cables.
2.
Loosen and remove the wing knob, saddle washer, handle tab and carriage screw on each side of the lower handle. See Fig. 3-1.
Two Replacement Auger Shear Pins One Product Registration Card
3
One Chute Assembly
Figure 3-1
3.
Slide one of the loosely fitted cable ties from the right side of the lower handle up to the cross member of the lower
handle. Leave the second cable tie in place on the right side of the lower handle. See Fig. 3-3 for reference.
IMPORTANT: It will be necessary to lift the upper handle while sliding up this cable tie to prevent damage to the cable.
4. Lift the upper handle up and position it over the lower handle, aligning the holes where the wing knobs were
removed (1).See Fig. 3-2.
CAUTION: Be careful not to bend or kink the cables.
5. Insert a carriage screw from the outside through a handle tab, the upper and lower handles, a saddle washer and into the wing knob (2). Repeat on the other side.
6. Tighten the wing knobs on each side of the handle. Refer to Fig. 3-2.
Figure 3=2 NOTE:The auger cable routes down the left lower handle and the drive cable is routed across the top of the lower handle and down the right side of the lower handle. See
Fig. 3-3.
7.
Three cable ties have been used to loosely tie the control cables to the lower handle, including the cable tie you
relocated in step 3. Position cable ties now, as in Fig. 3-3, and tighten to secure cables to the lower handle. Trim off
excess material of cable ties.
er Cable
Figure 3-3
Set-Up
ShearPins
A pair of replacement auger shear pins and bow tie cotter pins are included with your snow thrower. See Fig. 3-4. Store them in
a safe place until needed.
Figure 3-4
ChuteClean-0utTool
The chute clean-out tool is fastened to the top of the auger housing with a mounting clip and a cable tie at the factory. Cut
the cable tie before operating the snow thrower. See Fig. 3-5.
TirePressure
The proper inflation pressure is between 15 psi and 20 psi. Check the tire pressure periodically and maintain equal pressure in both tires at all times. Excessive pressure (well above 20 psi) may cause the wheel (tire/rim) assembly to burst with sufficient force
to cause serious injury. Do not over-inflate the tire. Use a manual pump or portable electric tire inflator to prevent over-inflation.
NEVER USE AN AIR COMPRESSOR.
FuelRec0mmedati0ns
Use automotive gasoline (unleaded or low leaded to minimize combustion chamber deposits) with a minimum of 87 octane. Gasoline with up to 10% ethanol or 15% MTBE (Methyl Tertiary Butyl Ether) can be used. Never use an oil/gasoline mixture or
dirty gasoline. Avoid getting dirt, dust, or water in the fuel tank. DO NOT use E85 gasoline.
Refuel in a well-ventilated area with the engine stopped. Do not smoke or allow flames or sparks in the area where
the engine is refueled or where gasoline is stored. Do not overfill the fuel tank. After refueling, make sure the
tank cap is closed properly and securely. Be careful not to spill fuel when refueling. Spilled fuel or
fuel vapor may ignite. If any fuel is spilled, make sure the area is dry before starting the engine.
Avoid repeated or prolonged contact with skin or breathing of vapor.
Adding Fuel
WARNING! Use extreme care when handling
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 ignition.
WARNING! Always keep hands and feet clear of equipment moving parts. Do not use a pressurized
starting fluid. Vapors are flammable.
Figure 3-5
8 I SECTION3 -- ASSEMBLY& SET-UP
Chute Clean=out Tool
1.
Clean around fuel fill before removing cap to fuel.
2.
A fuel level indicator is located in the fuel tank. Fill tank until fuel reaches the fuel level indictor, Fig. 3-6. Be careful
not to overfill.
Fuel Level Indicator
TopView
Figure 3-6
CheckingOilLevel
_ii AUTION: The engine is shipped with oil in the
NOTE: Be sure to check the engine on a level surface with the engine stopped.
1. Remove the oil filler cap/dipstick and wipe the dipstick
engine. You must, however, check the oil level prior to operating the snow thrower. Running the engine
with insufficient oil can cause serious engine
damage and void the engine warranty.
clean. See Fig. 3-7.
NOTE:Do not overfill. Overfilling with oil may result in engine smoking, hard starting or spark plug fouling.
4.
Replaceand tighten cap/dipstick firmly before starting engine.
Adjustments SkidShoe
The snow thrower skid shoes are adjusted upward at the factory for shipping purposes. Adjust them downward, if desired, prior to operating the snow thrower.
this snow thrower on gravel as it can easily pick up CAUTION : It is not recommended that you operate
and throw loose gravel, causing personal injury or
damage to the snow thrower and surrounding property.
For close snow removal on a smooth surface, raise skid shoes higher on the auger housing.
Use a middle or lower position when the area to be cleared is uneven, such as a gravel driveway
NOTE: If you choose to operate the snow thrower on a gravel surface, keep the skid shoes in position for maximum clearance
between the ground and the shave plate. To adjust the skid shoes:
Loosen the four hex nuts (two on each side) and carriage bolts. Move skid shoes to desired position. See Fig. 3-8.
Figure 3-7
2.
Insert the cap/dipstick into the oil filler neck, but do not screw it in.
3.
Remove the oil filler cap/dipstick. If the level is low, slowly add oil until oil level registers between high (H) and low (L), Fig. 3-7. Refer to the Engine Maintenance section for correct oil viscosity and engine oil capacity.
/ /
/
/
/
Figure 3-8
2. Make certain the entire bottom surface of skid shoe is
J
against the ground to avoid uneven wear on the skid shoes.
3. Retighten nuts and bolts securely.
/ /
/
SECTION 3 -- ASSEMBLY& SET-UP 9
DischargeChute
1. Loosen the wing knob on the upper chute, adjust chute and chute control to desired operating position.
2. Tighten the wing knob on the upper chute making sure the carriage bolt is correctly positioned. Refer to Fig. 3-9.
,. j
Figure 3-9
AugerControl
Periodic adjustment to the auger control cable may be required due to normal stretch and wear on the belt. Adjustment is needed immediately if the augers:
a. Continue to turn with the auger control disengaged,
or
b. During operation, augers seem to hesitate turning
while the engine maintains speed.
NOTE: Perform the following test before operating the snow thrower for the first time and at the start of each winter season.
Check the adjustment of the auger control as follows:
1. When the auger control is released and in the disengaged "up" position, the cable should have very little slack, but should NOT be tight.
2. In a well-ventilated area, start the snow thrower engine. Refer to Starting The Engine in the Operation section
on this manual. Make sure the throttle is set in the FAST position.
3. While standing in the operator's position (behind the snow thrower) engage the auger.
4. Allow the auger to remain engaged for approximately 10 seconds before releasing the auger control. Repeat this
several times.
5. With the engine running in the FAST position and the auger control in the disengaged "up" position, walk to the front of the machine.
6. Confirm that the auger has completely stopped rotating and shows NO signs of motion.
NOTE: If the auger shows ANY signs of rotating, immediately return to the operator's position and shut off the engine. Wait for all moving parts to stop before adjusting the auger control cable
as follows:
7.
Loosen the rear hex bolt on the cable adjustment bracket. See Fig. 3-10.
Figure 3-10
8. Slide the cable adjustment bracket forward adding a slight amount of slack in the auger cable.
9. Retighten the rear hex bolt.
10. Start engine and verify auger control engages and disengages properly.
NOTE: If auger continues to rotate with the control disengaged, shut off engine and readjust.
11. If during operation, augers seem to hesitate turning while the engine maintains speed, then the cable is too loose and the bracket needs to be adjusted rearward, decreasing the
amount of slack to the auger cable. Follow the above steps to adjust the cable adjustment bracket.
Overtightening may prevent the auger from
WARNING! Do not over-tighten the cable.
disengaging and compromise the safety of the snow
thrower.
SECTION 3 -- ASSEMBLY& SET-UP
ControlsandFeatures
Auger Control
4
DriveControl
StarterRope
UpperChute
ChuteAssembly
Clean-outTool
Auger
ShavePlate
ChuteKnob
SkidShoe
DriveControl
Located on the underside of the upper handle, the drive control is used to engage/disengage wheels. Squeeze the drive control
against the upper handle to engage the wheels; release to disengage.
ignition Key
The ignition key is a safety device. It must be fully inserted in order for the engine to start. Remove the ignition key when the
snow thrower is not in use. NOTE: Do not turn the ignition key in an attempt to start the
engine. Doing so may cause it to break.
Starter Rope
The starter rope is part of the recoil starter and is used to start the engine.
Auger
When engaged, the auger's rotation draw snow into the auger housing and throws it out the discharge chute.
FuelCap
Muffler
FuelCap
Recoil Starter
Handle
OilDrain
Figure 4-1
ChuteAssembly
Snow drawn into the auger housing is discharged out of the chute assembly
AugerControl
The auger control is adjacent to the upper handle. Squeeze the auger control against the upper handle to engage the augers; release to disengage the augers.
assembly unless both auger and drive controls are
_ ARNING! Never make adjustments to the chute
IMPORTANT: Refer to the Auger Control information in
the Assembly & Set-Up section prior to operating your snow thrower. Read and follow all instructions carefully and perform all adjustments to verify your snow thrower is operating safely and
properly.
disengaged and the operator is standing beside the unit.
Oil Cap
,J
J
11
ChuteHandle
ThrottleControl
The direction of snow throwing corresponds to the direction of the chute opening. Use the chute handle to turn the chute
assembly in the direction you wish to throw the snow.
ChuteKnob
The distance snow is thrown can be adjusted by either raising or lowering the upper chute. Loosen the chute knob on the side
of the upper chute to adjust. Pivot the upper chute to desired position, and retighten the chute knob.
ShavePlate
The shave plate maintains contact with pavement as the snow thrower is propelled, allowing snow close to pavement's surface
to be discharged.
SkidShoes
Position the skid shoes based on surface conditions. Adjust upward for hard-packed snow. Adjust downward when operating on gravel or crushed rock surfaces.
FuelCap
Unthread the gas cap to add gasoline to the fuel tank. This unit runs on regular gas.
OilCap
Engine oil level can be checked and oil added through the oil fill. NOTE:The engine is shipped with oil in it. Check the oil level
before the first use and add if necessary, as specified in the separate engine manual packed with your snow thrower. Always check the oil level prior to each use.
Oil Drain
Engine oil can be drained through the oil drain.
Muffler
Engine exhaust exists the engine via the muffler.
ChokeControl
The choke control is found on the rear of the engine and is activated by rotating the
knob counter-clockwise. Activating the choke control closes the choke plate on the carburetor and aids in starting the engine.
The throttle control is located on the rear of the engine. It regulates the speed of the engine and will shut offthe engine
when moved into the STOP position.
RecoilStarterHandle
This handle is used to manually start the engine.
ChuteAssembly
Snow drawn into the auger housing is discharged out the chute assembly.
ChuteClean-OutTool
clogged chute assembly. Shut offengine and remain
_ ARNING! Never use your hands to clear a
The chute clean-out tool is conveniently fastened to the rear of the auger housing with a mounting clip. Should snowand ice become lodged in the chute assembly during operation, proceed as follows to safely clean the chute assembly and chute opening:
1. Release both the Auger Control and the Drive Control.
2. Stop the engine by removing the ignition key.
3. Remove the clean-out tool from the clip which secures it to
4. Use the shovel-shaped end of the clean-out tool to
5. Refasten the clean-out tool to the mounting clip on the
While standing in the operator's position (behind the snow thrower), engage the auger control for a few seconds to clear any remaining snow and ice from the chute assembly.
behind handles until all moving parts have stopped before unclogging.
the rear of the auger housing.
dislodge and scoop any snow and ice which has formed in and near the chute assembly.
rear of the auger housing, reinsert the ignition key and start the snow thrower's engine.
Primer
Pressing the primer forces fuel directly into the engine's carburetor to aid in cold-
weather starting.
12 I SECTION 4-- CONTROLS AND FEATURES
|
Operation
Starting the Engine
_ ARNING! Always keep hands and feet clear of
NOTE: Allow the engine to warm up for a few minutes after starting. The engine will not develop full power until it reaches operating temperatures.
moving parts. Do not use a pressurized starting
fluid. Vapors are flammable.
RecoilStarter
engine running.
CAUTION! Do not pull the starter handle while the
WARNING; To avoid unsupervised engine
operation, never leave the engine unattended while running. Turn the engine off after use and remove ignition key
1. Insert ignition key fully into slot, Figure 5-1. Make sure it snaps into place. DO NOTturn ignition key. The engine
cannot start unless the key is inserted into ignition switch.
5. Pull gently on the starter handle until it begins to resist, then pull quickly and forcefully to overcome the compression. Do not release the handle and allow it to
snap back. Return rope SLOWLY to original position. If required, repeat this step.
6. As the engine warms, slowly rotate the choke control to OFF position. If the engine falters, restart engine and run with choke at half-choke position for a short period of time, and then slowly rotate the choke into OFF position.
Stopping the Engine
operation, never leave the machine unattended
i_klk WARNING: To avoid unsupervised engine
Run engine for a few minutes before stopping to help dry offany moisture on the engine.
1. Move throttle control to STOP position.
2. Remove the ignition key. Removing the key will reduce the
3. Wipe any moisture away from the controls on the engine.
with the engine running. Turn the engine off after
use and remove ignition key
possibility of unauthorized starting of the engine while equipment is not in use. Keep the key in a safe place. The engine cannot start without the ignition key.
ToEngageDrive
1.
Move the throttle control into the Fast (rabbit) position.
2.
To engage the drive, squeeze the drive control completely against the upper handle to engage the wheels. To stop
the forward motion, release the drive control.
Figure 5-1
2. Move throttle control to FAST (rabbit) position.
3. Move choke to the ON position (cold engine start). If engine is warm, place choke in OFF position.
4. Push primer three to five (3-5) times, making sure to cover vent hole when pushing. If engine is warm, push primer only once. Always cover vent hole when pushing. Cool
weather may require priming to be repeated.
ToEngageAugers
To engage the augers, squeeze the auger control handle completely against the upper handle. To stop the augers,
release handle.
13
ReplacingShearPins
The augers are secured to the spiral shaft with two shear pins and cotter pins. If the auger should strike a foreign object or ice
jam, the snow thrower is designed so that the pins may shear. If
the augers will not turn, check to see if the pins have sheared. See Fig. 5-2.
Figure 5-2
CAUTION: NEVER replace the auger shear pins with
anything other than OEM Part No.738-04124A
replacement shear pins. Any damage to the auger gearbox or other components as a result of failing to do so will NOT be covered by your snow thrower's
war ranty. WARNING! Always turn off the snow thrower's
engine and remove the key prior to replacing shear
pins.
SECTION S -- OPERATION
Maintenance&Adjustments
Maintenance
GeneralRecommendations
Always observe safety rules when performing any type of maintenance.
The warranty on this snow thrower does not cover items that have been subjected to operator abuse or negligence.
To receive full value from the warranty, operator must maintain the snow thrower as instructed in this manual.
Periodically check all fasteners and hardware to make sure these are tight.
or inspecting, disengage all controls and stop
i_i WARNING! Before servicing, repairing, lubricating,
Engine
Listed below are general recommendations about maintaining your snow thrower engine. For further details, refer to the Engine
Maintenance Section.
1. Before operating snow thrower, check the oil level.
2. Change engine oil after first five hours of operation and
3. Clean spark plug and reset the electrode gap to 0.030"
TirePressure
Before operating, check tire pressure and reduce pressure to between 15 psi and 20 psi. Refer to Setup in the Assembly and Setup section of this manual for proper filling procedures.
If the tire pressure is not equal in both tires, the unit may pull to one side or the other.
CheckV-Belts
Follow instructions below to check condition of drive belts every 50 hours of operation.
1. Remove the plastic belt cover on the front of the engine by
2.
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. Always wear safety glasses during
operation or while performing any adjustments or repairs.
every 25 hours thereafter.
at least once a season or every 100 hours of operation; replace every 200 hours of operation.
removing the self-tapping screw and pressing the plastic tabs to release the belt cover. See Fig. 8-1 in the Service
section of this manual. Visually inspect for frayed, cracked, or excessively worn out
belts. Replace, if necessary, following instructions in the Service section of this manual.
ShavePlateand SkidShoes
The shave plate and skid shoes on the bottom of the snow thrower are subject to wear. These should be checked periodically and replaced when necessary.
To replace skid shoes:
1. Remove the carriage bolts and nuts securing each skid shoe to the auger housing, See Fig. 6-1.
2. Reassemble new skid shoes with hardware just removed. Make sure the skid shoes are adjusted to be level.
\\
Figure 6-1
To remove shave plate:
3. Remove both skid shoes and hardware including carriage bolts and nuts which attach shave plate to the snow
thrower housing. For location of shave plate, see Fig. 6-1.
4. Reassemble new shave plate, making sure heads of the carriage bolts are to the inside of the housing.
5. Reinstall skid shoes. Tighten securely.
Off-SeasonStorage
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.
1. Store the equipment in a clean, dry area.
2. If storing the snow thrower in an unventilated area, rustproof the machine using a light oil or silicone to coat
the snow thrower.
3. Clean the exterior of the engine and the snow thrower.
15
Preparing TheEngine
Lubrication
in the tank indoors or in poorly ventilated areas,
WARNING! Never store the snow thrower with fuel
where fuel fumes may reach an open flame, spark or
pilot light as on a furnace, water heater, clothes dryer or gas appliance.
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.
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.
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.
1.
Run the engine until the fuel tank is empty and it stops due to lack of fuel.
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.
NOTE: Fuel stabilizer (such as STA-BIL TM or ULTRA-FRESH TM) is an acceptable 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.
2.
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.
1. Lubricate pivot points on the auger control and drive control with a light engine oil once a season, see Fig. 6-2.
Figure 6-2
2.
Lubricate the auger idler bracket with a light engine oil once a season. See Fig. 6-2.
AugerShaft
At least once a season, remove the shear pins from the auger shaft. Spray lubricant inside the shaft and around the spacers
and the flange bearings found at either end of the shaft. See Fig. 6-3.
f
PreparingTheSnowThrower
1. When storing the snow thrower inan 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.
2. Remove all dirt from exterior of engine and equipment.
3. Follow lubrication recommendations in the Maintenance section of this manual.
4. Store equipment in a clean, dry area.
SECTION 6-- MAINTENANCE & ADJUSTMENTS
J
Figure 6-3
Wheels
At least once a season, remove both wheels. Clean and coat the axles with a multipurpose automotive grease before reinstalling
wheels.
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