Yard-Man 31AH553G401 User Manual

OPERATOR’S MANUAL

Model

31AH553G401

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

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 368022 Cleveland, Ohio 44136-9722.

MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722

PRINTED IN U.S.A.

ECO No. 1281

FORM NO.

770-10028B (10/2000)

TABLE OF CONTENTS

Content Page

Important Safe Operation Practices...................................................................3

Assembling Your Snow Thrower .......................................................................5

Know Your Snow Thrower.................................................................................8

Operating Your Snow Thrower ..........................................................................10

Making Adjustments ..........................................................................................12

Maintaining Your Snow Thrower........................................................................13

Service ..............................................................................................................14

Troubleshooting.................................................................................................17

Parts List............................................................................................................18

FINDING MODEL NUMBER

This Operator’s Manual is an important part of your new Snow Thrower. It will help you assemble, prepare and maintain the unit for best performance. Please read and understand what it says.

Before you star t to prepa re yo ur sno w thr ower for its first use, please locate the model plate and copy the information from it in this Operator’s Manual. The information on the model plate is very important if you need help from your dealer or the MTD customer support department.

You can locate the model number by looking at the lower frame cover on the rear of your snow thrower. A sample model plate is explained below. For future reference, please copy the model number and the serial number of the equipment in the space below.

(Model Number)

(Serial Number)

Copy the model number here:

Copy the serial number here:

MTD PRODUCTS INC

P.O. BOX 368022

CLEVELAND, OHIO 44136

CALLING CUSTOMER SUPPORT

If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance of this unit, please call the Customer Support Department.

Call 1- (330) 220-4MTD (4683) or 1- (800)-800-7310 to reach a Customer Support representative. Please have your unit’s model number and serial number ready when you call. See previous section to locate this information. You will be asked to enter the serial number in order to process your call.

For more details about your unit, visit our website at www.mtdproducts.com

SECTION 1: IMPORTANT SAFE OPERATION PRACTICES

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.

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 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. Failure to observe the following safety instructions could result in serious injury or death.

Tra in in g

1. Read, understand, a nd follow all in struction s on the machine and in the manual(s ) before a ttempting to assemble and o perate. Keep this ma nual in a safe pl ace for future and regular re ference a nd for orde ring replacement parts.

2. Be familiar with all controls and their prope r operation. Know how to stop the mach ine and d isengage them quickly.

3. Never allow childre n under 14 y ears old to operate this machine. Children 14 years old and over should rea d and understand the op eration in struction s and sa fety rules i n this manual and should be trained and sup ervised b y a parent.

4. Never allow adults to operate this machine without proper instruction.

5. Thrown objects can cause seriou s personal injury . Plan your snow throwin g pattern to avoid di scharge of mat erial toward roads, bystanders and the like.

6. Keep bystanders, hel pers, pets and chi ldren at l east 75 feet from the machin e while it is in operatio n. Stop machine if anyo ne enters the area.

7. Exercise caution to avoid s lipping o r falli ng, espe cially when operating in reverse.

Preparation

1. Thoroughly inspect the area wh ere the eq uipment i s to be used. Remove all door mat s, newspa pers, sle ds, boards, wires and o ther foreig n object s which c ould be tripped over or throw n by the auger/imp eller.

2. Always wear safet y glasses or eye s hields d uring operation and while performing an adjustment or repair to protect your eyes. T hrown ob jects whi ch ricochet can cause serious inj ury to the eyes.

3. Do not operate wit hout wearing adequate winter outer garments. Do not wear jewelry, long scarves or other loose clothing which cou ld becom e entang led in m oving parts. Wear footwear w hich wi ll improve footing on slippery surfaces.

4. Use a grounded three wire ex tension cord and receptac le for all units with electric start engi nes.

5. Adjust collector housing height to clear gravel or crushed rock surfaces.

6. Disengage all cl utch levers before st arting the engin e.

7. Never attempt to m ake any adjustme nts while engine i s running, except where spec ifically recomm ended in the operator’s manual.

8. Let engine and m achine adju st to outd oor tem perature before starting to clear snow.

9. To avoid personal injury or pro perty damage use extre me care in handling gasolin e. Gasol ine is e xtremely flammable and the v apors are explosiv e. Serious personal injury c an occur w hen gas oline is spilled o n yourself or your c lothes which c an ignit e. Wash y our skin and change clot hes immedi ately.

a. Use only an approved gasoline container. b. Extinguish all cigarettes, cig ars, pipes and other

sources of ignition. c. Never fuel machine indoo rs. d. Never remove gas cap or add fue l whil e the

engine is hot or running. e. Allow engine to cool at leas t two minu tes before

refueling. f. Never over fill fuel tank. Fil l tank to no more tha n

½ inch below bottom of fill er neck to provide space

for fuel expansi on. g. Replace gasoli ne cap an d tighten secu rely. h. If gasoline is sp illed, wip e it off th e engine and

equipment. Move machine to another area . Wait 5

minutes before start ing the e ngine. i. Never store the machine or fuel containe r inside

where there is an o pen flam e, spark or pilot l ight

(e.g. furnace, water heater, space heate r, clothes

dryer etc.). j. Allow machine to cool 5 minute s before storin g.

Operation

1. Do not put hands o r feet near rotating p arts, in the a uger/ impeller housing o r disc harge chu te. Cont act wit h the rotating parts can am putate ha nds and feet.

2. The auger/impelle r clutch lev er is a safety de vice. Nev er bypass its operati on. Doing so, makes the ma chine unsafe and may cause p ersonal i njury.

3. The clutch leve rs must o perate easily in both d irections and automatical ly return to the disengaged pos ition when released.

4. Never operate with a miss ing or da maged di scharge chute. Keep all safe ty devic es in pl ace and working.

5. Never run an engine indoors or in a poorly vent ilated area. Engine exhaust contains carbon monoxide , an odorless and dea dly gas .

6. Do not operate mac hine while under the influenc e of alcohol or drugs.

7. Muffler and engine be come hot and c an cause a burn. D o not touch.

8. Exercise extreme ca ution when operating on or cro ssing gravel surfaces. Stay alert for hidden hazards or traffic.

9. Exercise caution w hen changi ng directi on and w hile operating on slop es.

10. Plan your snow t hrowing pat tern to av oid disc harge towards windows, wa lls, cars e tc. To avoid prope rty damage or personal injury caus ed by a ricochet.

11. Never direct disc harge at c hildren, b ystander s and pet s or allow anyone in front of t he machi ne.

12. Do not overload machine capa city by attemptin g to clear snow at too fast of a rate.

13. Never operate this machin e without good visib ility or light. Always be sure of your footi ng and k eep a firm hold on the handles. Walk, n ever run.

14. Disengage power to t he aug er/impeller w hen transporting or not in use.

15. Never operate mach ine at hi gh transp ort speeds on slippery surfaces. Look down and b ehind an d use ca re when in reverse.

16. If the machine shoul d start to vibrate abn ormally, stop the engine, disconnect the spark plug an d grou nd it agai nst the engine. Inspect thoroughly for dam age. Repair any damage before starting and ope rating.

17. Disengage all cl utch lev ers and st op engin e before y ou leave the operating position (be hind the handles). Wai t until the auger/im peller come s to a complete stop befo re unclogging the d ischarge chute, m aking an y adjustments, or inspecti ons.

18. Never put your hand in the d ischarge or colle ctor openings. Always use a cl earing to ol to unc log the discharge opening.

19. Use only attach ments a nd acce ssories approved by the manufacturer (e.g. wheel weigh ts, tire c hains, cabs etc.) .

20. If situations occur which are not covered in this manua l, use care and good judgment. Cont act your dealer or telephone 1-800-800-73 10 for assistance and the name of your nearest s ervicing dealer.

Maintenance And Storage

1. Never tamper with safety devices. Check their proper operation regularly.

2. Disengage all cl utch lev ers and stop engi ne. Wait u ntil the auger/impelle r come to a complet e stop. D isconn ect the spark plug wi re and grou nd again st the en gine to prevent unintended starting before cl eaning, repairi ng, or inspecting.

3. Check bolts, and sc rews for pro per tig htness at frequent intervals to keep t he ma chine in safe worki ng condi tion. Also, visually inspe ct mach ine for an y damag e.

4. Do not change the engi ne governor settin g or over-speed the engine. The g overnor c ontrols the m aximum s afe operating speed o f the eng ine.

5. Snow thrower shave plates an d skid shoes are subj ect to wear and damage. F or your s afety protecti on, freque ntly check all compon ents and replace with origin al equipment manuf acturer’s (O.E.M.) parts only. Use of parts which do not m eet the ori ginal eq uipment specifications may lea d to imp roper perfor mance an d compromise safety.

6. Check clutch co ntrols period ically to verify they engage and disengage prope rly and adjust, if ne cessary. Refer to the adjustment s ection i n this op erator’s man ual for instructions.

7. Maintain or replace safety and instruction labels, as necessary.

8. Observe proper disposal l aws and regulations for ga s, oil, etc. to protect the environmen t.

9. Prior to storing, run machine a few minutes to clear snow from machine an d prevent freeze up of auger/i mpeller.

10. Never store the machine or fuel c ontainer i nside whe re there is an open flame, spark or pilot light such as a wate r heater, furnace ,cloth es dryer etc .

11. Always refer to the operator’s ma nual for p roper instructions on off-season storage.

Your Responsibility:

Restrict the use of this p ower ma chine to persons wh o read, understand and fo llow the w arnings and ins tructions in this manual and on t he mach ine. The s afety la bels ar e given below for your refer ence.

SECTION 2: ASSEMBLING YOUR SNOW THROWER

Unpacking

• Remove screws from the top sides and ends of the shipping crate.

• Set panel aside to avoid tire punctures or personal injury.

• Remove and discard plastic bag that covers unit.

• Roll unit out of crate.

• Check crate thoroughly for loose parts before discarding.

Handle Pane l

Loose Parts

• The snow throw er is ship ped wi th fo llowi ng lo ose parts in the carton. See Figure 1 for illustration, description of item and part number. Please remove all loose parts from the carton before discarding it.

Shear Bolts (710-0890A)

Hex Lock Nuts (712-0429)

Figure 1

• Please note that these shear bolts and hex lock nuts are not meant for initial assembly of the equipment. If the snow thrower hits a foreign object or ice jam, the bolts, securing the auger shaft, may shear. Use these two shear bolts and nuts as replacement then. Store these in a safe place until needed.

IMPORT ANT :

standard hex bolts. Any damage to the auger gearbox or other components from standard hex bolts will not be covered by your snow thrower’s warranty.

NEVER replace the auger shear bolts with

Assembling Handle

Upper Handle

Wing Nuts,

Washers

and Bolts

Figure 2

• Raise the upper handle assembly in the direction shown in Figure 2. Make sure that the upper handle locks into position over the lower handle.

Carriage Bolt

Tighten these

wing nuts

Wing Nut

Cupped

Washer

Upper Handle

Lower Handle

NOTE: Reference to the left or right side of the s now

thrower in this manual is obser ved from the operator’s position.

IMPORT ANT :

later on in this section, before operating your snow thrower. Failure to follow these instructions may cause damage to the snow thrower.

• Remove the lower plastic wing nut, cupped washer and carriage bolt from each side of the lower handle. See Figure 2.

Make any final adjustments, as instructed

Figure 3

• Look at low er rear of snow throw er frame t o be sure all cables are aligned with cable roller guides.

• Secure the upper handle and lower handle with the two plastic wing nuts, cupped washers and carriage bolts previously removed. Attach these hardware on the lower hole in the handles. See Figure 3.

• Tighten th e two win g nuts alre ady in plac e on the upper holes and secure the handles firmly. See Figure 3.

• Slide the shift rod connector down over the end of the lower shift rod. See Figure 4. Tap the connector until it locks on the lower shift rod.

NOTE: If the conn ector is not prop erly assembled , the shift rod will pivot and y ou will not be able to change direction or speed of the snow thrower.

Connector

Lower Handle

Conduit

Power Lead

Wiring

Harness

Figure 6

Lower

Shift Rod

Note: Cut-out view of lower handle shown for clarity.

Upper Shift Rod

Figure 4

• If not already attached, slip the cables that run from the handle panel to the chute into the cable guide located on top of the engine. See Figure 5.

Cable Guide

Figure 5

If for shippi ng purpo ses the wir ing harn ess was left unattached to the power lead, follow the steps below to attach it now:

• Follow the conduit that holds the wiring harness from under the right side of the handle panel to where the connectors are located at the bottom of the right hand lower handle. See Figure 6.

• Plug the wiring harness into the power lead located on the right side of the engine, underneath the fuel tank. See Figure 6 inset.

Final Adjustments

Traction Control and Shift Lever

To check the adjustment of the traction control and shift lever, proceed as follows:

• Move the shift lever into sixth (6) position.

• With traction control released, gently push the snow thrower forward, then pull it back. The machine should move freely.

• Engage traction control, and try to move the machine both forward and back. You should experience resistance.

• Move the shift lever into the fast reverse (R2) position and repeat the previous two steps.

If you experienced resistance either when repositioning the shift lever from 6 to R2 or when attempting to move the machine with the traction control released, adjust the traction control immediately. To adjust, proceed as follows:

• Loosen the jam nut on the traction control cable and UNTHREAD the cable one full turn.

• Recheck a djust ment .

• Retighten the jam nut to secure the cable when correct adjustment is reached.

NOTE: For more details, refer to Traction Control Adjustment on page 12.

Auger Control

Check the adjustment of the auger control as follows:

• Push down on the auger control until the small rubber bumper contacts the upper handle. There should be slack in the auger control cable.

• Release the auger control. The cable should be straight. Make certain you can depress the auger control against the left handle completely.

If adjustment is necessary, proceed as follows:

• Loosen the jam nut and thread the cable in (for less slack) or out (for more slack) as necessary. See Figure 7.

“Z” End

Jam Nut

Auger Control Cable

Figure 7

• Recheck adjustment; readjust as necessary and tighten the jam nut.

Skid Shoe

The space between the shave plate and the ground can be adjusted by repositioning the skid shoes. For close snow removal, place skid shoes in the low position. Use middle or high position when area to be cleared is uneven. See Figure 8. When operating on gravel, always put skid shoes in the high position.

Adjust skid shoes as follows:

• Loosen, but do not remove, the two hex nuts which fasten the skid shoe to the auger housing.

• Raise or lower the skid shoe to desired position.

• Retighten the hex nuts loosened earlier.

• Repeat on the other side of the snow thrower.

Shave Plate

Carriage Bolts

Skid

Shoes

High

Low

Hex Nuts

Figure 8

NOTE: Make certain the en tire bottom surface of skid

shoe is against the ground to avoid uneven wear on the skid shoes.

Tire Pressure (Pneumatic Tires)

The tires are overinflated for shipping purposes.

• Check tire pressure. Maintain pressure between 15 to 20 psi. Refer to tire sidewalls for recommended tire pressure.

NOTE: If the tire pressure is not equal in both tires, the unit may pull to one side or the other.

WARNING: Maximum tire pressure under

any circumstance is 30 psi. Equal tire pressure should be main tained at all times. Exc essive pressure (over 30 psi) when seating beads may cause tire/rim assembly to burst with force sufficient to cause serious injury.

SECTION 3: KNOWING YOUR SNOW THROWER

WARNING: B e familiar with al l the controls an d their proper op eration. Know how to stop the mach ine

and disengage them quickly.

• See Figure 9 to identify all the controls described below.

Traction Control / Auger

Control Lock

Gas Tank

Discharge

Chute

Auger

Skid

Shoe

Auger

Control

Steering Control

Chute-Rotation

Left Wheel

Electric

Switch

Traction Control /

Auger Control Lock

Stay Warm

Grips Switch

Stay Warm Grips

Shift

Lever

Chute

Tilt

Control

Steering Control

Right Wheel

Figure 9

Traction Control / Auger Control Lock

The traction control is located on the right handle. See Figure 9. Squeeze the traction control to engage the wheel drive. Release to stop.

This same lever also locks the auger control so you can operate the electric chute rotation switch without interrupting the snow throwing process. If the auger control is engaged simultaneously with the traction control, the operator can release the auger control (on the left handle) and the augers will remain engaged. Release the traction control to stop the augers and wheel drive (the auger control must also be released).

IMPORT ANT :

changing speeds.

Always release traction control before

Auger Control

The auger control is located on the left handle. Squeeze the clutch grip to engage the augers. Release to stop the snow throwing action. The traction control must also be rel eased in or der to stop the auge r.

Shift Lever

The shift lever is located in the center of the handle panel and is used to determine both ground speed and direction of travel. It can be moved into any of eight positions for speed and direction variations as described below. Always release traction control before changing speeds.

Forward: Your snow thrower has six forward (F) speeds. Position number one (1) is the slowest. Position number six (6) is the fastest.

Reverse: Your snow thrower has two reverse (R) speeds. R1 is the slower, while R2 is faster.

Electric Chute-Rotation Switch

The electric chute-rotation switch is located o n the left side of the snow thrower handle panel. To change the direction in which discharged snow is thrown, proceed as follows:

• Push the toggle switch to the left to rotate the chute counterclockwise.

• Push the toggle switch to the right to rotate the chute clockwis e.

IMPORT ANT :

Release the switch once the chute has completed its rotation cycle in either direction. Failure to do so can result in damage to the electric chute motor and/or its drive gear.

Wheel Steering Controls

The left and right wheel steering controls are located on the underside of the handles and are used to assist in steering the snow thrower. Squeeze the right wheel steering control when turning right; squeeze the left control when turning left. Operate snow thrower in open areas until you become familiar with these controls.

Stay Warm Grips Switch

The Sta y Warm grips switc h is located on the right side of the snow thrower handle panel. To activate the Stay Warm grips, toggle the switch to the right to generate heat within the handles. Toggle the switch to the left into the OFF position after using the snow thrower.

NOTE: The Stay Warm grips are a compliment to, not a substitute for, proper cold weather outerwear for hands. It is recommended that the user wear adequ ate winter protection for hands (like gloves/mittens) when operating this snow thrower.

Chute Tilt Control

The distance snow is thrown can be changed by adjusting the angle of the chute assembly. Move the chute tilt control forward to decrease the distance, toward the rear to increase.

Discharge Chute

The angle of the discharge chute controls the distance that the snow is thrown. Tilt the discharge chute up for greater distance; tilt down for less distance.

Skid Shoe

The position of the skid shoe is determined by the condition of the ground from where snow has to be removed. Refer to page 7 for details.

Fuel Shut-off Valve

The fuel shut-off valve is located under the fuel tank. This valve controls fuel flow from the tank. Always make certain it is in the open (vertical) position before attempting to start the engine. See Figure 10.

Headlight

The headlight is on whenever the engine is running.

Throttle Control

The throttle control is located on the engine. It regulates the speed of the engine. See Figure 10.

Safety Ignition Key

The safety ignition key must be fully inserted in the switch before the unit will start. Remove key when snow thrower is not in use. Do not attempt to turn the key. See Figure 10.

Choke

Safety

Ignition

Key

Closed

Open

Throttle Control

Fuel Shu t-Off Valve

Figure 10

Primer

Recoil Starter Handle

SECTION 4: OPERATING YOUR SNOW THROWER

Before Starting

WARNING: Read, understand, and follow

all instructions and warnings on the machine and in this manual before operating.

• The spark plug wire was disconnected for safety. Attach spark plug wire to spark plug before starting.

• Make certain the auger and drive clutch levers are in the disengaged (released) position.

• Check oil and gasoline level and add if necessary. Follow related instructions in the seperate engine manual packed with your snow thrower.

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.

To Start Engine

• Make certain the fuel cut-off valve is in OPEN position.

• Move throttle control up to FAST position. Insert ignition key into slot. Make sure it snaps into place.

Do not turn key

NOTE: Engine will not start unless ignition key is

inserted i nto i gnit ion sl ot in the ca rbur etor c over.

Electric Starter

WARNING: The electric starter is equipped

with a grounded three-wire power cord and plug, and is designe d to operate on 120 vol t AC household cu rren t. It mu st 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.

• Determine that your house wiring is a three-wire grounded system. Ask a licensed electrician if you are not certain.

• If your house wiring system is not a three- wire grounded system, do not use this electric starter

under any cond itions .

• 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 electr ic start er.

• If you have a grounded three-prong r eceptacle, proceed as follows.

• Rotate choke knob to FULL position.

• Push primer two or three times for cold engine start.

• Connect power cord to switch box located on top of

engine. Plug the other end of power cord into a three-prong 120-volt, grounded, AC receptacle.

• Push starter bu tton on the sw itch box to crank engine. As you crank the engine, move choke knob to FULL choke position.

• When engine starts, release starter button, and move choke gradually to OFF. If engine falters, move choke immediately to FULL and then gradually to OFF again.

• When disconnecting the power cord, always unplug from the three-prong receptacle first, and then from the snow thrower.

Recoil Starter

• Rotate choke knob to FULL choke position (cold engine star t).

• If engine is warm, place choke in OFF position instead of FULL.

• Push primer button two or three times for cold engine star t.

• If engine is warm, push primer button only once.

NOTE: Always cover ve nt hole in primer button when pushing. Additional priming may be n ecessary for fir st start if temperature is below 15 degrees Fahrenheit.

• Grasp starter handle and pull rope out slowly, until it pulls slightly harder. Let rope rewind slowly.

• 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.

• As engine warms up and begins to operate evenly, rotate choke knob slowly to OFF position. If engine falters, return to FULL choke, then slowly move to OFF position.

To Stop Engine

• To stop engine, remove the ignition key. Do not turn key. Disconnect the spark plug wire from the spark plug to prevent accidental starting while equipment is unattended.

To help prevent possible freeze-up of starter, proceed as follows:

• Run engine for a few minutes before stopping to help dry off any moisture on the engine.

• 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. Disconnect the power cord from receptacle first, and then from switch box.

• 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.

• 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 throttle control lever in the STOP or OFF position. Rotate the choke control in the FULL choke position.

• Remove ignition key and disconnect spark plug wire. Do not turn key.

IMPORT ANT :

place. Engine will not start without the ignition key.

Do not lose ignition key. Keep it in a safe

To Engage Wheel Drive

• With the engine running near top speed, move shift lever into one of the six forward positions or two reverse positions. Select a speed appropriate for the snow condi tions th at exist.

NOTE: Use the slower speeds until you are familiar with the operation of the snow thrower.

• Squeeze the traction control against the right handle and the snow thrower will move. Release it and the drive motion will stop.

IMPORT ANT :

releasing the traction control. Doing so will cause premature wear to drive system’s friction wheel rubber.

Never move shift lever without first

To Engage Augers

To engage the augers and start snow throwing, squeeze the auger control against the left handle.

To disengage augers, release both the auger control and the traction control, if engaged.

NOTE: The auger control can also be locked so that you can turn the chute directional control without interrupting snow throwing. Refer to page 8 for details.

Tire Chains (If equipped)

Tire chains should be used whenever extra traction is needed. Call the Customer Support Department, as instructed on Page 2, for information on tire chains and other optional accessories.

Operating Tips

NOTE: Allow the engine t o w arm up for a few minut es . The engine will not develop full power until it reach es operating temperature.

WARNING: The temperature of the muffler

and the surrounding areas may exceed

F. Avoid t hese areas.

150

• For the most efficient snow removal, remove snow immediately after it falls.

• Discharge snow downwind whenever possible.

• Slightly overlap each previous path.

• Set the skid shoes 1/4" below the shave plate for

normal usage. The skid shoes may be adjusted upward (to lo wer the sh ave plat e) for har d-packe d snow. Adjust downward (to raise the shave plate) when using on gravel or crushed rock.

• Prevent possible freeze-up of the starter by following the steps described earlier.

• Clean the snow thrower thoroughly after each use.

SECTION 5: MAKING ADJUSTMENTS

WARNING: NEVER attempt to clean

chute or make any adjustments while engine is running.

Traction Control

Refer to Final Adjustments on page 6 to adjust traction control. If you want to check further for correct adjustment, proceed as follows:

WARNING: Drain the gasoline out of yo ur

snow thrower’s engine, and place a piece of plastic film under the gas cap to avoid spillage before beginning the job.

• Tip the snow thrower forward, allowing it to rest on the auger housing.

• Remove frame cover underneath the snow thrower by removing six self-tapping screws.

• With the traction control released, make sure there is clearance between the friction wheel and the drive plate in all positions of the shift lever.

• With the traction control engaged, make sure the friction whee l con tacts the driv e plat e. S ee Fig ure

11.

• Remove the hairpin clip and slide the connector up to separate the upper shift rod from the lower shift rod. See Figure 12.

Hairpin

Clip

Flat

Washer

Clutch Rod

Connector

Shift Arm

Shift Lever

Ferrule

Upper Shift Rod

Hairpin Clip

Lower Shift Rod

Sprocket

Hex Shaft

Friction Wheel

If either or both are lacking, adjust traction control as instructed below:

• Loosen the jam nut on the traction drive cable and thread the cable in or out as necessary.

• Retighten the jam nut to secure the cable when correct adjustment is reached.

• Reassemble the frame cover.

NOTE: If you placed plas tic film unde r the gas cap, be certain to remove it before operating the snow thrower.

Axle Shaft

Drive Shaft

Chain

Drive Plate

Figure 11

Shift Rod

To adjust the shift rod, proceed as follows.

Figure 12

• Place shift l ever in sixth (6) posi tion.

• Rotate the shift arm counterclockwise (from the operator’s position) as far as it will go.

• Thread the upper shift rod downward until the

elbow on its lower end aligns with the hole found in the lower shift rod.

• Reconnect the upper shift rod to the lower shift rod by reinserting the cotter pin removed earlier and sliding the connector back down into place.

IMPORT ANT :

rod as instructed on page 6, before operating the snow thrower.

Check for correct adjustment of the shift

Auger Control

Refer to details on page 6 to adjust the auger control.

Chute Assembly

Refer to Chute Tilt Control on page 9.

Skid Shoe

The space between shave plate and ground can be adjusted by raising or lowering the skid shoes. Refer to Skid Shoe Adjustment on page 7.

SECTION 6: MAINTAINING YOUR SNOW THROWER

Before lubricating, repairing, or inspecting, disengage all clutch levers 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.

Lubrication

Gear Shaft

Lubricate the gear shaft with 6-in-1 grease (part number 737-0170) at least once a season, or after every 25 hours of operation. Refer to Figure 11.

IMPORT ANT :

friction wheel and aluminum drive plate.

Engine

Refer to the seperate engine m anual p acked with yo ur unit for all engine lubrication instructions.

Auger Shaft

• At least once a se ason, rem ove shear bolts from auger shaft. Oil or spray lubricant inside shaft. See Figure 13. Also lubricate the plastic auger bearings at least once a season.

Keep all grease and oil off the rubber

Drive and Shifting Mechanism

At least once a season or after every 25 hours of operation, remove rear cover. Lubricate any chains, sprockets, gears, bearings, shafts, and shifting mechanism at least once a season. See Figure 14. Use engine oil or a lubricant spray . Avoid getting oil on rubber friction wheel and aluminum drive plate.

Lube Gear

and Chute Base

Figure 14

Vent Plug

Shear

Bolt

Plastic Bearings

Figure 13

Bolt

Gear Case

The gear case is lubricated with grease at the factory and does not require checking. If disassembled for any reason, lubricate with two ounces of Shell Alvania™ grease EPR00, part number 737-0168. Before reassembling, remove old sealant and apply Loctite™ 5699 or equivalent.

Traction Control / Auger Control Lock

The cams on the ends of the control rods which interlock the traction drive and auger drive clutches must be lubricated at least once a season or every twenty five hours of operation. The cams can be accessed beneath the handle panel. See Figure 15. Use a multi-purpose automotive grease.

Handle Panel

Lube cams here

IMPORT ANT :

vent plug is free of grease in order to relieve pressure. See Figure 13.

Do not overfill the gear case. Be sure the

Figure 15

SECTION 7: SERVICING YOUR SNOW THROWER

WARNING: Before servicing, repairing, or

inspecting, disengage all clutch levers and stop engine. Wait until all moving parts have come to a complete stop. Disconnect spark plug wire and groun d it against the engine to prevent unintended starting.

Augers

The augers are secured to the spiral shaft with two shear bolts and hex lock nuts. See Figure 16. If you hit a foreign object or ice jam, the snow thrower is designed so that the bolts may shear.

Shear Bolts

• To remove shave plate, remove the carriage bolts, belleville washers and hex nuts which attach it to the snow thrower housing. Reassemble new shave plate, making sure heads of the carriage bolts are to the inside of the housing. Tighten securely.

Belt Removal and Replacement

Auger Belts

• Remove the plastic belt cover on the front of the engine by removing the two self-tapping screws. See Figure 17.

Belt Cover

Self-Tapping Screws

Figure 16

If the augers do not turn, check if the bolts have sheared. Two replacement shear bolts and hex lock nuts have been provided with the snow thrower. Refer to Loose Parts on page 5. For future use, order kit number OEM-710-0890.

IMPORT ANT :

standard hex bolts. Any damage to the auger gearbox or other components, as a result of doing so, will NOT be coved by your snow thrower’s warranty.

NEVER replace the auger shear bolts with

Shave Plate and Skid Shoes

• The shave plate and skid shoes on the bottom of the snow thrower are subject to wear. They should be checked periodically and replaced when necessary.

• To remove skid shoes, remove the four carriage bolts, belleville washers and hex nuts which attach them to the snow thrower. Reassemble new skid shoes with the hardware earlier removed. Make certain the skid shoes are adjusted to be level.

Figure 17

• Drain the gasoline from the snow thrower, or place a piece of plastic film under the gas cap.

• Tip the snow thrower up and forward so that it rests on its auger housing.

• Remove six self-tapping screws from the frame cover underneath the snow thrower.

• Roll the front and rear auger belts off the engine pulley. See Figure 18.

Wheel

Drive

Pulley

Auger

Drive

Pulley

Idler

Pulley

Frame

Wheel

Drive

Belt

Idler

Pulley

Auger

Drive Belts

Figure 18

• Unhook the idler spring from the hex bolt on the auger housing. See Figure 19.

• Back out the stop bolt until the support bracket rests on the auger pulley. See Figure 20.

NOTE: It may be necessa ry to loosen the s ix nuts that connect the frame to the auger housing to aid in bel t removal.

• Lift the rear auger belt from the auger pulley, and slip belt between the support bracket and the auger pulley. See Figure 19. Repeat this step for the front auger belt.

Support

Bracket

Rear

Auger

Belt

Front

Auger

Belt

Auger Pulley

Idler

Spring

Auger

Housing

Support

Bracket

Spring

Frame

Friction Wheel

Drive Plate

Drive Belt

Stop Bolt

Support Bracket

Figure 20

Changing Friction Wheel Rubber

The rubber on the friction wheel is subject to wear and should be checked after 25 hours of operation, and periodically thereafter. Replace the friction wheel rubber if any signs of wear or cracking are found.

• Drain the gasoline from the snow thrower, or place a piece of plas tic under the gas cap. Tip the s now thrower up and forward, so that it rests on the housing.

• Remove six self-tapping screws from the frame cover underneath the snow thrower. See Figure 21.

• Remove the click pins which secure the wheels, and remove the wheels from the axle.

Figure 19

• Replace both auger drive belts by following instructions in reverse order.

NOTE: If you placed plas tic film unde r the gas cap, be certain to remove it before operating the snow thrower.

Drive Belt

• Follow the first four steps of instructions to service the auger belts.

• Pull idler pulley up, and lift belt off engine pulley and friction wheel disc. See Figure 18.

• Back out the stop bolt until the support bracket rests on the auger pulley. See Figure 20.

• Slip belt between friction wheel and friction wheel disc. See Figure 20. Remove and replace belt.

• Reassembl e the p arts r emove d earl ier.

NOTE: The suppo rt bracket must rest on the stop bolt after the new belt has been assembled. See Figure 20.

Friction

Wheel

Hex

Shaft

Drive Cover

Self-Tap ping

Screws

Spacer

Drive Shaft

Self-Tapping

Screws

Figure 21

• Remove the four screws securing the left drive cover to the frame. Remove the drive cover. See Figure 21.

• Holding the friction wheel assembly, slide the hex shaft out of the left side of the frame. See Figure

21. The spacer on the right side of the hex shaft will fall and the sprocket should remain hanging loose in the chain.

• Lift the friction wheel assembly out between the axle shaft and the drive shaft assemblies.

• Remove the six screws from the friction wheel assembly (three from each side). Remove the friction wheel rubber from between the friction wheel plates. See Figure 22.

• Position the friction wheel assembly up onto the pin of the shift rod assembly, and slide the shaft through th e asse mbly . Reas sembl e in re verse order.

Shift Rod Assy

Axle Shaft

Hex Shaft

Screws

Friction Wheel Rubber

Hub

Screws

Friction Wheel Plates

Figure 22

• Reassemble new friction wheel rubber to the friction wheel plates and hub, tightening the six screws in rotation and with equal force.

SECTION 8: OFF-SEASON STORAGE

WARNING: Never store engine with fuel in

tank indoors or in poorly ventilated areas, where fuel fumes may reach a n open flame, spark or pilot light as on a furnace, water heater, clothes dryer or other gas appliance.

• If unit is to be stored over 30 days, prepare engine for storage as instructed in the engine manual.

• Remove all debris from the exterior of equipment.

Friction

Drive Shaft

Figure 23

NOTE: If you placed plas tic film unde r the gas ca p, be

certain to remove it.

Wheel

Assembly

Engine

• Refer to the engine manual for all engine related service pr ocedure s.

• Follow lubrication recommendations on page 13.

• Always store the snow thrower in a clean, dry area.

NOTE: When storing any type of power equipment in an unventilated or metal sto rage shed, care shou ld be taken to rust proof the equipment. Using a ligh t oil or silicone, coat the equipment, especially any chains, springs, bearings and cables.

SECTION 9: TROUBLESHOOTING

Problem Cause Remedy

Engine fails to star t. 1. Fuel tank empty, o r stale fuel.

2. Blocked fuel lin e.

3. Choke not in ON p osition

4. Faulty spark plug.

5. Safety key not in i gnition sw itch on eng ine.

6. Spark plug wire disconnect ed.

7. Primer button not being used properly.

8. Fuel shut-off valve closed.

Engine runs erratic. 1. Unit running on CHOKE.

2. Blocked fuel lin e or stal e fuel.

3. Water or dirt in fue l system.

4. Carburetor out of adjustment.

Loss of power. 1. Spark plug wire loose.

2. Gas cap vent hole plugged.

3. Exhaust port plugged .

Engine overheats. 1. Carburetor not adjus ted proper ly. 1. Refer to the engine manual or have th e

Excessive vibration . 1. Loose parts or da maged au ger. 1. Stop engine imme diately and disc onnect

Unit fail s to propel itself.

Unit fail s to discharge snow.

Electric chute fails to turn.

Electric chute turns i n opposite direction of the switch.

Heated grips are not creating heat.

1. Traction contr ol cable in need of adjust ment.

2. Drive belt loose or damage d.

1. Discharge chute clogg ed.

2. Foreign object lodged in auger.

3. Auger control cable in need of adjustm ent.

4. Auger belt loose or damaged.

5. Shear bolt(s) sheared.

1. Loose electrical connec tions.

2. Blown Fuse.

1. The switch co nnector i s instal led back wards. 1. Unplug the switc h conne ctor under the

1. Loose electrical connec tions.

2. Blown fuse.

3. Faulty grip. If on e heated grip fails , both gri ps will not function.

1. Fill tank with fresh gasoline.

2. Clean the fuel line.

3. Move switch to ON position

4. Clean, adjust gap or replac e.

5. Insert the key fully into the switch.

6. Connect spark plug wire.

7. Refer to the engine manu al.

8. Open fuel shut-off valve.

1. Move choke lever to OFF position.

2. Clean fuel line a nd fill ta nk with c lean, fres h gasoline.

3. Drain fuel tank an d carburetor. R efill wi th fresh fuel.

4. Refer to the engine manu al.

1. Connect and tighten spark plug wire.

2. Remove ice and snow from gas cap . Be certain vent hole is clear.

3. Refer to the engine manu al.

carburetor adjusted b y an aut horized engine service deale r.

spark plug wire. Tighten all bolts and nuts. If vibration continues, have unit serviced by an authorized se rvice de aler.

1. Adjust traction control ca ble. Refer to pages 6 and 12.

2. Replace drive belt. Refer to page 14.

1. Stop engine imme diately and disc onnect spark plug wir e. Clean discharge chute and inside of auger housing.

2. Stop engine imme diately and disc onnect spark plug wir e. Remo ve objec t from au ger.

3. Refer to page 6 for a djust ment instruc tions.

4. Refer to page 14.

5. Replace shear bolt(s)

1. Make sure all connectio ns are tight and fully installed.

2. Replace with #5A fuse. The fuse is under handle panel ne ar switch con nector.

handle panel. Tu rn connector 180° and reconnect.

1. Under the handle p anel, che ck conn ections from the handles to the wiri ng harnes s.

2. Replace with #5A fuse. The fuse is under handle panel ne ar switch con nector.

3. Have the grips ch ecked a t an au thorized service dealer.

SECTION 10: PARTS LIST FOR MODEL 31AH553G401

For reference only

NOTE: For painte d parts, please refer to

the list of color codes below. Please add the applicable color code, wherever needed, to the part number to order a replacement part. For instance, if a part numbered 700-xxxx is painted Yard-Man

Green, the part number to order would be 700-xxxx-0665.

Yard-Man Green: 0665 Yard-Man Yellow: 0674

Powder Black: 0637

MODEL 31AH553G401

Ref. No. Part No. Part Description

684-0008A Shift Arm Assembly

710-0262 Carriage Bolt 5/16-18 x 1.5”

710-0449 Carriage Bolt 5/16-18 x 2.25”

710-0788 TT Screw 1/4-20 x 1”

710-0837 C-Sunk Screw #10-1 6x 0.625”

710-3008 Hex Screw 5/16-18 x .75”

711-0677 Ferrule

712-3010 Hex Nut 5/16-18

10.

714-0104 Cotter Pin

11.

720-0284 Handle Knob

12.

725-1757 Heated Grip

13.

736-0119 Lock Washer

14.

736-0275 Flat Washer

15.

736-0451 Saddle Washer

16.

747-0620A Shift Rod: Upper

17.

747-0621 Shift Rod: Lower

18.

749-0951 Lower Handle

19.

749-0952A Upper Handle: L S tyle RH

20.

749-0953A Upper Handle: L S tyle L H

21.

750-0963 Connector: Shift R od

22.

618-0419 Gear Assembly: Ring

23.

629-0937 Electric Harness: Low er

24.

710-0262 Carriage Bolt: 5/16-1 8 x 1.5”

25.

710-0451 Carriage Bolt: 5.16-1 8 x .750”

26.

710-0599 TT Screw: 1/4-20 x 0.5”

27.

710-0602 TT Screw: 5/16-18 x 1”

28.

710-0805 Hex Screw: 5/16-18 x 1.5”

29.

710-0817 TT Screw: 5/16-18 x 1.25”

30.

710-0896 Hex Screw AB:1/4-14 x 0.625”

31.

710-3008 Hex Screw: 5/16-18 x .75”

32.

712-3027 Hex Flange Loc k Nut

35.

724-0249 Electric Motor: Chute Crank

36.

725-0157 Cable Tie

37.

731-0851A Chute Flange Keeper

38.

731-1300A Lower Chute

39.

731-1313C Ca ble Guide: Chute Ti lt

40.

731-1320 Upper Chute

41.

731-2279 Motor Cover: Chute Ro tation

42.

736-0159 5/16 Washer

43.

736-0242 Belleville Wash er

44.

Ref. No. Part No. Part Description

736-0506 Special Washer

45.

746-0896 Control Cable

46.

746-0901 Control Cable

47.

750-1232 Spacer

48.

782-0599 Motor Bracket

49.

784-5594 Cable Bracket

50.

784-5604 Handle: Chute Tilt

51.

629-0936 Harness Assembly : Upper

52.

684-0036 Handle Eng. Assembly RH

53.

684-0037A Handle Eng. Assembly LH

54.

710-1003 Special Hex Scre w

55.

712-0271 Hex Sems Nut: 1/4-20

56.

712-0693 Hex Nut

57.

716-0398 Lock Ring: Toggle Switch

58.

720-0232 Shift Knob

59.

725-1672 Lamp Housing

60.

725-1755 Toggle Switch: Dou ble Throw

61.

725-1756 Toggle Switch: Sin gle Throw

62.

725-1759 Halogen Lamp: 5 0W, 12V

63.

726-0152 Mounting Clamp

64.

731-2275 Handle Panel

65.

736-0226 Flat Washer

66.

747-1136 Headlight Retainer

67.

714-0507 Cotter Pin: 3/32 x .75

68.

747-0877 Cam Rod

69.

784-5680 RH Handle Support Brac ket

70.

784-5679 LH Handle Support Bracket

71.

748-0362 Cam Handle Lock

72.

748-0363 Handle Lock Pawl

73.

732-0145 Compression Spring: .36 x 1.0

74.

710-0459A Hex Cap Screw: 3/8-24 x 1.5

75.

784-5619A Shift Handle

76.

712-0116 Jam Nut, 3/8-24

77.

732-0193 Comp. Spring: .39 x . 6 x .88

78.

736-0105 Bell Washer

79.

784-5682 RH Handle Support Brac ket

80.

784-5681 LH Handle Support Bracket

81.

711-0653 Clevis Pin

82.

684-0102 Panel Frame Assemb ly

83.

MODEL 31AH553G401

NOTE: For painted parts, please refer to the list of color codes below. Please add the applicable color code, wherever needed, to the part number to order a replacement part. For instance, if a part numbered 700-xxxx is painted Yard-Man Green, the part number to order would be 700-xxxx-0665.

Yard-Man Green: 0665

Yard-Man Yellow: 0674

Powder Black: 0637

MODEL 31AH553G401

Ref. No. Part No. Part Description

712-0116 Lock Jam Nut 3/ 8-24

756-0178 Flat Idler

784-5632A Auger Idler Arm

710-0459A Hex Cap Screw 3/8- 24 x 1.50

738-0281 Shoulder Screw

736-0167 Flat Washer

732-0611 Extension Spring

712-3068 Hex Nut 5/16-18

710-0276 Carriage Bolt, 5/16-1 8 x 1.00

736-0119 Lock Washer 5/16

10.

05931A Housing

11.

741-0309 Ball Bearing

12.

710-0451 Carriage Bolt, 5/16-1 8 x .75

13.

705-5226 Chute Reinforcement

14.

684-0041C 28” Ho using Assy

15.

712-3010 Hex Nut 5/16-18

16.

712-0429 Lock Nut 5/16-18

17.

736-0242 Belleville Wash er

18.

737-0318 Grease Fitting

20.

731-1379B Chute Adapter

21.

712-0324 Hex Lock Nut 1/4-2 0

22.

Ref. No. Part No. Part Description

736-0463 Flat Washer

23.

784-0399 Bearing Housing w /Fitting

24.

710-0703 Carriage Screw 1/4-20 x .7 5

25.

710-0604 Hex Screw 5/16-18

26.

736-0169 Lock Washer 3/8

27.

712-0798 Hex Nut 3/8-16

28.

741-0245 Hex Flange Bearing

29.

784-5580 Skid Shoe

30.

736-0242 Bell Washer

31.

712-3010 Hex Nut 5/16-18

32.

784-5582A 28” Shave Plate

33.

710-0260 Carriage Bolt 5/16-18 x .62

34.

684-0065 Impeller Assembly

35.

715-0114 Pin

36.

618-0122A 28” Gear Assy

37.

605-5196A 28” Spiral RH

38.

736-0188 Flat Washer

39.

741-0493A Flange Bushing

40.

605-5197A 28” Spiral LH

41.

710-0890A Shear Bolt 5/16-18 x 1.5

42.

MODEL 31AH553G401

28 29

IMPORTANT:

Approved Parts .

V-BELTS

safely. A subs titute (non OEM) V -Belt can be dangerous by not disengaging co mpletely

For a proper workin g machine, use Factory

are specially des igned to engage and disengage

NOTE: For painte d parts , please refer to the list of color codes below. Please add the applicable color code, wherever needed, to the part number to order a replacement part. For instance, if a part numbered 700-xxxx is painted Yard-Man Green, the part number to order would be 700-xxxx-0665.

Yard-Man Green: 0665

Yard-Man Yellow: 0674

Powder Black: 0637

MODEL 31AH553G401

Ref.

No.

10.

11.

12.

13.

14.

15.

Part No. Part Description

710-1652 Hex Washer Screw 1/4-2 0 x .625 731-1324 Belt Cover 732-0710 Extension Spring 710-0627 Hex Screw 5/16-24 x .75 710-3005 Hex Cap Screw 3/8-16 x 1.25 05896A Drive Clutch Idler Bracket 748-0234 Shoulder Spacer 756-0987 Pulley Half 754-0346 V-Belt 756-0986 Pulley Half 736-0270 Bell Washer 710-0230 Hex Cap Screw 1/4-28 x .50 756-0313 Flat Idler 710-1245 Lock Hex Cap Screw 5 /16-24 712-0181 Lock Jam Nut 3/8-16

Ref.

No.

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

27.

28.

29.

30.

Part No. Part Description

756-0569 Pulley Half 736-0242 Bell Washer 736-0505 Flat Washer 754-0430A Belt 756-0967 Auger Pulley 736-0247 Flat Washer 3/8 x 1.25 OD 736-0331 Bell Washer 710-0696 Hex Cap Screw 3/8-24 748-0360 Adapter Pulley 710-0654A Hex Screw 3/8-16 x 1.0 629-0071 Extension Cord OEM-390-987 Electric Start Kit 712-0324 Lock Nut, 1/4-20 736-0173 Flat Washer, .28 x .74 x .06 3 732-0705 Cable Guide

Ref. No. Part No. Part Description

618-0123 RH Housing

618-0418 LH Housing w/Fitting

710-0642 Self Tapping Screw, 1/4-20 x .75

711-0901A Spiral Axle, 28”

714-0161 Hi-Pro Key, 3/16 x 5/8

715-0143 Spring Spiral Pin, .25 x 1.25

717-0528 Worm Gear, 20-tooth

717-0526 Worm Shaft

718-0186 Thrust Collar

Ref. No. Part No. Part Description

721-0325 Grease Plug

10.

721-0327 Grease Seal

11.

736-0351 Flat Washer , .76 x 1.5 x .030

12.

736-0369 Flat Washer, .508 x 1.0 x .020

13.

736-0445 Flat Washer , .76 x 1.5 x .060

14.

741-0662 Flange Bearing, .75 x 1.0 x .59

15.

741-0663 Flange Bearing, .503 ID x .75 OD

16.

618-0122A Gear Assembly 28”

17.

MODEL 31AH553G401

NOTE: Actual position of the steering

controls on the handle shown here

28 8

NOTE: For painted parts, please ref er to the list of color codes below. Please add the applicable color code, wherever needed, to the part number to order a replacement part. For instance, if a part numbered 700-xxxx is painted Yard-Man Green, the part number to order would be 700-xxxx-0665.

Yard-Man Green: 0665

Yard-Man Yellow: 0674

50 14

Powder Black: 0637

8 34

MODEL 31AH553G401

Ref. No. Part No. Part Description

618-0043 Dogg Assembly: RH

618-0044 Dogg Assembly: LH

618-0303B Drive Shaft Assemb ly

656-0012A Friction Wheel: D isc Assem bly

684-0014B Shift Rod Assembly

684-0042C Bearin g: Friction Wheel

684-0131A Support Bracket: Fricti on Wheel

710-0599 TT Screw: 1/4-20 x 0.5”

710--0809 TT Screw: 1/4-20 x 1.25 ”

710-1652 TT Screw: 1/4-20 x 0.62 5”

10.

711-1267 Hex Shaft

11.

711-1268 Drive Shaft: Actr.

12.

711-1364 Clevis Pin

13.

712-0703 Nut Insert

14.

712-0711 Jam Nut

15.

712-3017 Jam Nut

16.

713-0233 Chain

17.

713-0374 Chain

18.

713-0413 Sprocket: 10T

19.

713-0472 Sprocket: 23T

20.

714-0104 Hairpin Clip

21.

714-0474 Cotter Pin

22.

716-0102 Snap Ring

23.

721-0263 Loctite™ Adhesive

24.

732-0209 Extension Spring

25.

732-0264 Extension Spring

26.

736-0105 Spring Washer

27.

736-0142 Flat Washer

28.

736-0160 Flat Washer

29.

Ref. No. Part No. Part Description

736-0169 Lock Washer

30.

736-0351 Flat Washer

31.

736-0626 Flat Washer

32.

737-0170 6-in-1 Lubricant

33.

737-0318 Grease

34.

738-0924 Carriage Screw

35.

741-0598 Hex Flange Bearing

36.

741-0600 Ball Bearing

37.

741-1111 Hex Flange Bearing

38.

746-0897 Auger Clutch Cable

39.

746-0898 Drive Clutch Cable

40.

746-0956 Steering Cable

41.

748-0190 Spacer

42.

750-1161A Support Tube: Axle

43.

750-1162 Spacer

44.

756-0625 Roller: Cable

45.

784-5590 Shift Bracket: Frame

46.

784-5687A Cable Guide Bracket: Auger

47.

784-5689A Front Support Bracket: Auger

48.

Clutch Cable Guide

784-5730A Drive Shaft Retaine r RH

49.

784-5731A Frame Housing

50.

784-5732 Frame Cover

51.

784-5733 Bracket: Drive Cable Roller

52.

784-5740 Drive Shaft Retaine r LH

53.

710-1233 Oval C-Sunk Screw

54.

712-0127 Weld Nut

55.

725-0157 Cable Tie

56.

746-0950 Steering Control

57.

Ref.

No.

Part No. Part Description

734-1709 Wheel Assy Comp: 16.5” x 4.8” 738-0994A Axle: .75” dia. x 12.201” Lg . 734-1530 Tire, Snow Hog, 16.5 x 4.8 - 4 734-1708 Rim Assembly 734-0255 Tubeless Air Valve

MODEL 31AH553G401

Your Notes

Date

Comments

MANUFACTURER’S LIMITED WARRANTY FOR:

The limited warranty set forth below is given by MTD PRODUCTS INC (“MTD”) with respect to new mercha ndise purchased and used in the United States, its possessions and territories.

MTD warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purc ha se an d w i ll, at its option, repai r or replace, free of charge, any part found to be defective in material or workmanship. This limited warranty shal l only apply if this product has been operated and maintained in accordance with the Operator’s Manual furnished with the product, a nd has not bee n subj ect to misuse, abuse, commercial use, neglect, accident, improper maintenance, alteration, vandalism, theft, fire, water or damage because of other peril or natur al di sa ste r. Damag e re sul tin g fro m the installation or use of any accessory or attachment not approved by MTD Products Inc. for use with the product(s) covered by this manual will void your warranty as to any resulting damages.

Normal wear parts or components thereof are subject to separate terms as follows: All normal wear part or component failures will be covered on the product for a period of 90 days regardless of cause. After 90 days, but within the two year period, normal wear part failures will be covered ONLY IF caused by defects in material or workmanship of OTHER component parts. Normal wear parts and components include, but are not limited to, belts, blades, blade adapters, grass bags, rider deck wheels, seats, snow thrower skid shoes, shave plates and tires. Batteries are covered by a 90-day limited replacement warranty.

HOW T O OBTAIN SERVICE: Warranty service is a v a ilab le , WITH PROOF OF PURCHASE THROUGH YOUR LOCAL AUTHORIZED SERVICE DEALER. To locate the dealer in your area, please check for a listing in the Yellow Pages or contact the Customer Service Department of MTD PRODUCTS INC by calling 1-800-800-7310 or writing to P.O. Box 368022, Clev e land, Ohio 44136-9722.

This limited warranty does not provide coverage in the following cases:

a.The engine or component parts thereof. These items

carry a separate manufacturer’s warranty. Please refer to the applicable manufacturer’s warranty on these items.

b.Log splitter pumps, valves and cylinders have a sepa-

rate one year warr an ty.

c. Routine maintenance items such as lubricants, filters,

blade sharpening and tune-ups, or adjustments such as brake adjustments, clutch adjustments or deck adjustments; and normal deterioration of the exterior finish due to use or exposure.

d. MTD does not extend any warranty for products sold

or exported outside of the United States of America, its possessions and territories, except those sold through MTD’s authorized channels of export distribu- tion.

No implied warranty, including any implied warranty of merchantability or fitness for a particular purpose, applies after the applicable period of express written warranty above as to the par ts as ident ified. No o ther express war ranty or guaranty, whether wri tten or or al, 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. (Some states do not

allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.)

The provisions as set f orth in this W a rranty pr o vide the sole and exclusive remedy arising from the sales. MTD shall not be liable for incidental or consequential loss or damages including, without limitation, expenses incurred for substitute or replacement lawn care services, for transportation or for related expenses, or for rental expenses to temporarily replace a warranted product. (Some states do not allow the exclusion or limita-

tion of incidental or consequential damages, so the above exclusion or limitation may not apply to you.)

In no event shall recover y of any kind be greater than the amount of the purchase price o f the pro duct sold . Alter ati on of the 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 use or misuse or inability to use the product.

This limited warranty shall not extend to anyone other than the original purchaser, original lessee or the person for whom it was purchased as a gift.

How State Law Relates to this Warranty: This limited warranty gives you specific legal rights, and you may also have other rights which vary from state to stat e.

Yard-Man 31AH553G401 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual