MTD Yard-Man 993 Operator's Manual

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Page 1

OPERATOR’S MANUAL

Model Series

993

Snow Thrower

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

Warning:

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.

This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-

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

PRINTED IN U.S.A.

FORM NO. 770-10278

(06/99)

Page 2

SECTION 1: FINDING YOUR MODEL NUMBER

This Operator’s Manual is an important part of your new snow thrower. It will help you assemble, prepare and maintain your snow thrower. Please read and understand what it says. Before you start to prepare your snow thrower 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.

• Every snow thrower has a model plate. You can locate it by standing behind the unit in the operating position and looking down at the frame cover.

• The model plate will look like Figure 1.

This is where your model number will be.

XXX-X-XXX-X-XXX XXXXXXXXXXX

This is where your serial number will be.

Copy the model number here:

MTD PRODUCTS INC

P.O. BOX 368022

CLEVELAND, OHIO 44136

Copy the serial number here:

Figure 1

SECTION 2: CALLING CUSTOMER SUPPORT

• LOCATE YOUR MODEL NUMBER AND SERIAL NUMBER — Record this information in the space provided. To find your unit’s specific model number and serial number, see SECTION 1: FINDING YOUR MODEL NUMBER.

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

• Customer Support can be reached by dialing: 1- (330) 220-4MTD

(4683)

1- (800)-800-7310

• Please have your model number and serial number ready when you call.

• Although both numbers are important, you will be asked to enter only your serial number before your call can be processed.

Page 3

SECTION 3: IMPORTANT SAFE OPERATION PRACTICES

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 YOUR SNOW THROWER. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. WHEN YOU SEE THIS SYMBOLHEED ITS WARNING.

WARNING: The Engine Exhaust from this product contains chemicals known to

the State of California to cause cancer, birth defects or other reproductive harm.

DANGER: Your snow thrower 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. If you violate any of these rules, you may cause serious injury to yourself or others.

1. TRAINING

• Read this operator's manual carefully in its entirety before attempting to assemble or operate this machine. Be completely familiar with the controls and the proper use of this machine before operating it. Keep this manual in a safe place for future and regular reference and for ordering replacement parts.

• Never allow children under 14 years old to operate a snow thrower. Children 14 years old and over should only operate snow thrower under close parental supervision. Only persons well acquainted with these rules of safe operation should be allowed to use your snow thrower.

• No one should operate this unit while intoxicated or while taking medication that impairs the senses or reactions.

• Keep the area of operation clear of all persons, especially small children and pets.

• Exercise caution to avoid slipping or falling, especially when operating in reverse.

2. PREPARATION

• Thoroughly inspect the area where the equipment is to be used and remove all door mats, sleds, boards, wires and other foreign objects.

• Disengage all clutches before starting engine.

• Do not operate equipment without wearing adequate winter outer garments. Do not wear jewelry, long scarfs or other loose clothing which could become entangled in moving parts. Wear footwear which will improve footing on slippery surfaces.

• Before working with gasoline, extinguish all cigarettes and other sources of ignition. Check the fuel before starting the engine. Gasoline is an extremely flammable fuel. Do not fill the gasoline tank indoors, while the engine is running, or until engine has been allowed to cool at least two minutes. Replace gasoline cap securely and wipe off any spilled gasoline before starting the engine as it may cause a fire or explosion.

• Use a grounded three wire plug-in for all units with electric drive motors or electric starting motors.

• Adjust collector housing height to clear gravel or crushed rock surface.

• Never attempt to make any adjustments while engine is running (except where specifically recommended by manufacturer).

• Let engine and machine adjust to outdoor temperature before starting to clear snow.

• Always wear safety glasses or eye shields during operation or while performing an adjustment or repair, to protect eyes from foreign objects that may be thrown from the machine in any direction.

3. OPERATION

• Do not put hands or feet near or under rotating parts. Keep clear of discharge opening and auger at all times.

• Exercise extreme caution when operating on or crossing gravel drives, walks, or roads. Stay alert for hidden hazards or traffic. Do not carry passengers.

• After striking a foreign object, stop the engine, remove wire from spark plug, and thoroughly inspect the snow thrower for any damage. Repair the damage before restarting and operating the snow thrower.

Page 4

• If the snow thrower should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble.

• Stop engine whenever you leave the operating position, before unclogging the collector/impeller housing or discharge guide, and making any repairs, adjustments, or inspections. Never place your hand in the discharge or collector openings. Use a stick or wooden broom handle to unclog the discharge opening.

• Take all possible precautions when leaving the unit unattended. Disengage the collector/impeller, stop the engine, and remove the key.

• When cleaning, repairing, or inspecting, make certain collector/impeller and all moving parts have stopped. Disconnect spark plug wire and keep away from plug to prevent accidental starting.

• Do not run engine indoors, except when starting engine and transporting snow thrower in or out of building. Open doors. Exhaust fumes are dangerous.

• Do not clear snow across the face of slopes. Exercise extreme caution when changing direction on slopes. Do not attempt to clear steep slopes.

• Never operate snow thrower without guards, plates, or other safety protection devices in place.

• Never operate snow thrower near glass enclosure, automobiles, window wells, drop off, etc., without proper adjustments of snow thrower discharge angle. Keep children and pets away.

• Do not overload machine capacity by attempting to clear snow at too fast a rate.

• Never operate the machine at high transport speeds on slippery surfaces. Look behind and use care when backing.

• Never direct discharge at bystanders or allow anyone in front of unit.

• Disengage power to collector/impeller when transporting or not in use.

• Use only attachments and accessories approved by the manufacturer of snow thrower (such as wheel weights, counter weights, cabs, etc.).

• Never operate the snow thrower without good visibility or light. Always be sure of your footing and keep a firm hold on the handles. Walk, never run.

• Muffler and engine become hot and can cause a burn. Do not touch.

4. MAINTENANCE AND STORAGE

• Check shear bolts, engine mounting bolts, etc., at frequent intervals for proper tightness to be sure equipment is in safe working condition.

• Never store the machine with fuel in the fuel tank inside a building where ignition sources are present, such as hot water and space heaters, clothes dryers, and the like. Allow engine to cool before storing in any enclosure.

• Always refer to operator's manual instructions for important details if snow thrower is to be stored for an extended period.

• Run machine a few minutes after throwing snow to prevent freeze up of collector/impeller.

• Check clutch controls periodically to verify they engage and disengage properly and readjust if necessary. Refer to operator's manual for adjustment instructions.

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.

DANGER

AVOID INJURY FROM ROTATING AUGER KEEP HANDS, FEET AND CLOTHING AWAY.

WARNING

STOP ENGINE BEFORE RE MOVING DEBRIS AND SERVICING UNIT

KEEP CLEAR OF IMPELLER WHILE ENGINE IS RUNNING

NEVER DIRECT DISCHARGE AT BYSTANDERS OR WINDOWS OR ALLOW ANYONE IN FRONT OF UNIT

THOROUGHLY INSPECT THE AREA WHERE THE EQUIPMENT IS TO BE USED AND REMOVE ALL DOOR MATS, SLEDS, BOARDS, WIRES AND OTHER FOREIGN OBJECTS

REFER TO OWNERS MANUAL FOR

5. FULL INS TRUCTIONS

Figure 2 Safety Labels Found on Snow Thrower

Page 5

SECTION 4: SET-UP INSTRUCTIONS

Shear Bolts 5/16-18 x 1-1/2" Long (710-0890A)

Connector

Hex Lock Nuts 5/16-18 Thread (712-0429)

Wing Nuts,

and Bolts

Figure 3

Wing

Nut,

Washer

and Bolt

Figure 4

Upper Shift

Rod

Washers

Upper Chute

AUGER SHEAR BOLTS

The augers are secured to the auger shaft with two shear bolts and hex lock nuts. If you hit a foreign object or ice jam, the snow thrower is designed so that the bolts will shear. Two replacement shear bolts and nuts are provided for your convenience. Store in a safe place until needed

NOTE: Reference to right or left side of the snow

thrower is from behind the unit in the operating position.

IMPORTANT: Check the adjustments as

instructed on page 6, and make any final adjustments necessary before

operating your snow thrower. Failure to follow the instructions may cause damage to the snow thrower.

1. Remove screws from the top sides and ends of

the shipping crate.

2. Set top, side, and end panels aside to avoid tire

punctures or personal injury.

3. Remove and discard plastic bag that covers unit.

4. Roll unit out of crate.

5. Remove the lower two plastic wing nuts, cupped

washers and carriage bolts from each side of the upper handle. See Figure 3.

6. The chute directional control may be attached to

the lower handle with cable ties for shipping purposes, if so, cut the cable ties and remove the chute directional control at this time.

7. Raise the upper handle assembly until it locks

over the lower handle. See Figure 3 and Figure 4.

8. Secure the upper handle and lower handle with

the two plastic wing nuts, cupped washers and carriage bolts previously removed. See Figure 4.

9. Slide the shift rod connector down over the end

of the lower shift rod. See Figure 5. Tap the connector until it locks on the lower shift rod.

NOTE: If the connector is not properly assembled,

the shift rod will pivot and you will not be able to shift

Directional

Control

gears or change directions.

10. Remove the hairpin clip from the end of the

upper chute directional control. Slide the upper chute directional control into the lower chute directional control. Align the holes, and secure with hairpin clip. See Figure 5.

Lower

Shift Rod

Figure 5

Hairpin

Clip

Lower Chute

Directional

Control

Page 6

Cable Guide

Figure 6

11. 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

12. Unwrap the headlight wire which is attached to the headlight, beneath the handle panel. Wind the headlight wire around the right handle until excess slack is removed.

13. Plug the wire from the headlight into the wire lead coming from the right side of the engine, underneath the fuel tank.

FINAL ADJUSTMENTS

Auger and Traction Control Clutch Adjustment

To check the adjustment of either drive clutch, push forward on the clutch grip (depress the rubber bumper). There should be slack in the cable. Release the clutch grip. The cable should be straight, but not tight. Make certain you can depress the clutch grip against the handle completely.

If necessary, thread lock-nut up to increase tension or down to decrease tension. See Figure 7.

Skid Shoe Adjustment (See Figure 8)

The space between the shave plate and the ground can be adjusted. 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. Adjust skid shoes by loosening the six hex nuts and carriage bolts and moving skid shoes to desired position. Make certain the entire bottom surface of skid shoe is against the ground to avoid uneven wear on the skid shoes. Tighten nuts and bolts securely. The skid shoes may be reversed for even wear.

High

Middle

Low

Skid

Shoe

Lock Nut

Figure 7

Figure 8

Ferrule

Cable

Hex Nuts

Carriage Bolts

Flat Washer

Shift Lever Adjustment (See Figure 9)

If unit does not engage properly into first gear, it may be necessary to remove the cotter pin and washer from the shift rod and thread the ferrule one counterclockwise turn.

TIRE PRESSURE (Pneumatic Tires)

The tires are over-inflated for shipping purposes. Check tire pressure and reduce to 15 to 20 psi. (Check sidewall of tire for manufacturer’s recommendation)

NOTE: If the tire pressure is not equal in both tires,

the unit may pull to one side or the other.

Shift Rod

Figure 9

Cotter Pin

Page 7

SECTION 5: CONTROLS

Auger

Drive

Clutch

Left

Trigg er

Lever

Chute

Directional

Control

SHIFT LEVER

(See Figures 10 and 11) The shift lever is located in the center of the handle panel. The shift lever may be moved into one of eight positions. Run engine with throttle in the fast position. Use the shift lever to determine ground speed. Forward—one of six speeds. Position number one (1) is the slowest. Position number six (6) is the fastest. Reverse—two reverse (R) speeds. “R” closest to the operator (all the way back) is the faster of the two.

AUGER CONTROL (See Figure 10)

The auger control clutch is located on the left handle. Squeeze the clutch grip to engage the augers. Release to stop the snow throwing action. (Traction control clutch must also be released.)

TRACTION CONTROL/AUGER CLUTCH LOCK

(See Figure 10) The traction control clutch is located on the right handle. Squeeze the traction control clutch to engage the wheel drive. Release to stop. This same lever also locks the auger clutch so you can turn the chute directional control without interrupting the snow throwing process. If the auger control clutch is engaged with the traction control clutch engaged, the operator can release the auger control clutch (on the left handle) and the augers will remain engaged. Release the traction control clutch to stop both the augers and wheel drive (auger control clutch must also be released).

Chute

Tilt

Control

Headlight

Figure 10

Traction Control/

Auger Clutch

Lock

Shift

Lever

Right

Trigg er

Lever

Figure 11

TRIGGER LEVERS (See Figure 10)

The trigger levers are located on the underside of the handles and are used to help you steer your snow thrower. To turn right, squeeze the right trigger lever and guide the snow thrower to the right. To turn left, squeeze the left trigger lever and guide the snow thrower to the left. These controls should be used while operating your snow thrower in open areas until you become familiar with their operation. Lift both triggers for easy transport when the engine is not running.

CHUTE DIRECTIONAL CONTROL

(See Figure 10)

The chute directional control is located on left hand side of the snow thrower. To change the direction in which snow is thrown, turn chute directional control as follows:

1. Crank clockwise to discharge to the left.

2. Crank counterclockwise to discharge to the right.

CHUTE TILT CONTROL (See Figure 10)

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

HEADLIGHT (See Figure 10)

The headlight is on whenever the engine is running.

THROTTLE CONTROL (See Figure 12)

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

SAFETY IGNITION SWITCH (See Figure 12)

The ignition key must be inserted in the switch before the unit will start. Remove the ignition key when snow thrower is not in use.

FUEL SHUT-OFF VALVE

The fuel shut-off valve, located under fuel tank, controls fuel flow from tank.

Carburetor

Cover

Choke

Ignition

Muffler

Guard

Primer

Key

Control

Lever

Oil Fill Plug

Figure 12

Closed

Open

Fuel Fill

Cap

Fuel

Tank

Starter Handle

Electric Starter

Button

Oil Drain

Plug

(If Equipped)

Page 8

SECTION 6: OPERATION

NOTE: This unit has been shipped with oil in the

engine. Check oil before starting engine.

GAS AND OIL FILL-UP

Check oil level and add oil if necessary. Service the engine with gasoline as instructed in the separate engine manual packed with your snow thrower. Read instructions carefully.

WARNING: Never fill fuel tank indoors,

with the engine running or while engine is hot. Do not smoke when filling fuel tank.

TO START ENGINE IMPORTANT: If unit shows any sign of motion

(drive or augers) with the clutch grips disengaged, shut off engine immediately. Readjust as instructed in the FINAL ADJUSTMENTS on page 6.

Electric Starter

WARNING: The electric starter is

equipped with a three-wire power cord and plug, and is designed to operate on 120

volt AC household current. It must be properly grounded at all times to avoid the possibility of electric shock which may be injurious to the operator. Follow all instructions carefully. 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 threewire grounded system, do not use this electric starter under any conditions. If your system is grounded and a three hole receptacle is not available at the point your starter will normally be used, one should be installed by a licensed electrician.

When connecting the power cord, always connect cord to starter on engine first, then plug the other end into a three-hole grounded receptacle.

When disconnecting the power cord, always unplug the end from the three-hole grounded receptacle first.

1. Attach spark plug wire to spark plug. Make

certain the metal loop on the end of the spark plug wire (inside the boot) is fastened securely over the metal tip on the spark plug. See Figure

13.

2. Make certain the auger and traction control

clutch levers are in the disengaged (released) position.

3. Move throttle control up to FAST position. Insert

ignition key into slot. Refer to Figure 12. Be certain it snaps into place. Do not turn key.

4. Rotate choke knob to OFF position.

Metal Loop

on Spark

Plug Wire

Rubber Boot

Figure 13

ENGINE WILL NOT START UNLESS IGNITION KEY IS INSERTED INTO IGNITION SLOT IN CARBURETOR COVER. DO NOT TURN IGNITION KEY.

Figure 14

5. Connect power cord to switch box on engine. Plug the other end of power cord into a threehole, grounded 120 volt AC receptacle.

6. Push starter button to crank engine. Refer to Figure 12. As you crank the engine, move choke knob to FULL choke position.

7. 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.

Recoil Starter

1. From the starting instructions for an Electric starter, follow step 1 through step 3.

2. Rotate choke knob to FULL choke position (cold engine start). If engine is warm, place choke in OFF position instead of FULL.

3. Push primer button two or three times. Refer to Figure 12. If engine is warm, push primer button once only.

NOTE: Always cover vent hole in primer button

when pushing. Additional priming may be necessary for first start if temperature is below 15°F.

4. Grasp starter handle (refer to Figure 12) and pull rope out slowly, until it pulls slightly harder. Let rope rewind slowly.

5. 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.

6. Repeat step 4 and step 5 until engine starts.

7. 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.

Page 9

TO STOP ENGINE

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

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

3. 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.

NOTE: Do not lose ignition key. Keep it in a safe

place. Engine will not start without the ignition key.

4. Wipe all snow and moisture from the carburetor cover in the area of the control levers. Also, move control levers back and forth several times.

TIRE CHAINS

Tire chains should be used whenever extra traction is needed.

OPERATING TIPS

NOTE: Allow the engine to warm up for a few

minutes as the engine will not develop full power until it reaches operating temperature.

WARNING: Temperature of muffler and

surrounding areas may exceed 150° F. Avoid these areas.

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

2. Discharge snow downwind whenever possible. The distance snow is thrown can be adjusted by adjusting the angle of the chute assembly. The sharper the angle, the shorter the distance snow is thrown. Slightly overlap each previous swath.

3. Set the skid shoes 1/4” below the shave plate for normal usage. The skid shoes may be adjusted upward for hard-packed snow. Adjust downward when using on gravel or crushed rock.

4. Be certain to follow the precautions listed under previous section, “To Stop Engine” to prevent possible freeze up.

5. Clean the snow thrower thoroughly after each use.

TO ENGAGE DRIVE

1. 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 conditions that exist. Use the slower speeds until you are familiar with the operation of the snow thrower.

2. Squeeze the left hand auger clutch grip and engage it.

3. While the left hand auger clutch grip is engaged, engage the right hand traction control clutch grip.

4. Release the left hand auger clutch grip only. The interlock mechanism should keep the left hand clutch engaged until the right hand clutch is released.

NOTE: NEVER move shift lever without first

releasing the traction control clutch.

TIRE PRESSURE

Pneumatic tires only Tires are over-inflated for

shipping purposes. Correct tire pressure is 10-15 psi. (Check sidewall of tire for manufacturer’s recommendation.)

SECTION 7: ADJUSTMENTS

WARNING: NEVER attempt to clean

chute or make any adjustments while engine is running.

REMOTE CHUTE ASSEMBLY ADJUSTMENT

The remote chute control cables have been preadjusted at the factory. Move the remote chute lever on the control panel back and forward to adjust angle of the chute assembly.

CHECK ADJUSTMENT OF CLUTCH CABLES

Proper adjustment is achieved by sliding the spring up the cable and threading the nut in or out. Correct adjustment on cables is minimal slack but not tight.

AUGER BELT TENSION ADJUSTMENT

Periodic adjustment of the belt tension may be required due to normal stretch and wear on the belt. Increase belt tension if the augers hesitate while the augers are engaged or decrease tension if the augers continue to turn when the augers are disengaged. Refer to Proper Adjustment on page 12.

Page 10

SHIFT ROD ADJUSTMENT

To adjust the shift rod, remove the cotter pin which secures the shift rod to the shift lever. For proper adjustment, refer to FINAL ADJUSTMENTS on page

SKID SHOE ADJUSTMENT

The space between the shave plate and the ground can be adjusted. Refer to Skid Shoe Adjustment (See Figure 8) on page 6.

SECTION 8: LUBRICATION

CARBURETOR ADJUSTMENT

WARNING: If any adjustments are

made to the engine while the engine is running (e.g. carburetor), keep clear of all moving parts. Be careful of heated surfaces and mufflers.

Minor carburetor adjustment may be required to compensate for differences in fuel, temperature, altitude and load.

Refer to the separate engine manual packed with your unit for carburetor adjustment information.

NOTE: Failure to comply with suggested

maintenance and lubrication specifications on pages 10 and 11 will void warranty.

WHEELS

Oil or spray lubricant into bearings at wheels at least once a season. Remove wheels, clean and coat axles with a multi-purpose automotive grease. See Figure 15.

CHAINS AND SHIFTING MECHANISM

Remove lower cover. Oil all chains, sprockets, bearings, the hexagonal shaft, round shaft, and shifting mechanism at least once a season. Use engine oil or a spray lubricant. Avoid getting oil on rubber friction wheel and aluminum drive plate.

CHUTE DIRECTIONAL CONTROL WORM

The worm gear on the chute directional crank should be greased with multi-purpose automotive grease.

IMPELLER PULLEY

The impeller pulley should be lubricated once a season. Refer to exploded view of parts, found in the back of the book, for correct location.

AUGER SHAFT

Remove auger bolts on auger shaft, see Figure 16. Oil or spray lubricant inside shaft.

ENGINE

Refer to engine manual for engine lubrication instructions.

HEX SHAFT

Lubricate the hex shaft with a good all-weather multipurpose light grease at least once a season or after every 25 hours of operation (available from an authorized service dealer or an automotive store.) See Figure 15. If for any reason your transmission was disassembled and the auger cable disconnected, make sure when reassembling to pass the cable above the hex shaft before reconnecting to the auger actuator bracket.

WARNING: When following instruc-

tions in separate engine manual for draining oil, be sure to protect frame to avoid oil dripping onto transmission parts.

Trigger

Cables

Auger

Actuator

Bracket

Hex Nut

and

Cupped

Washers

Shift Arm

Assembly

Drive

Actuator

Bracket

Hex

Shaft

Friction

Wheel

Figure 15 Viewed from the underside of snow

thrower

Page 11

SECTION 9: MAINTENANCE

WARNING: Disconnect the spark plug

wire and ground against the engine before performing any repairs or maintenance.

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 shear bolts will shear. If the augers will not turn, check to see if the hex bolts have sheared. Two replacement shear bolts and hex lock nuts have been provided with the snow thrower. When replacing bolts, spray an oil lubricant into shaft before inserting new bolts.

Auger Shear Bolts

BELT REMOVAL AND REPLACEMENT

WARNING: Remove the spark plug

wire from the spark plug and ground. Drain gasoline from the fuel tank, or place a piece of plastic film underneath the gas cap to prevent gasoline from leaking.

Auger Belt

To remove and replace either the auger belt or the drive belt, proceed with the following instructions:

1. Disconnect chute directional control assembly at the discharge chute by removing the cotter pin and flat washer.

2. Remove the plastic belt cover on the front of the engine by removing three self-tapping screws and flat washers. See Figure 17.

Belt

Cover

Self-Tapping

Screw

Flat Washer

Shave Plate

Hex Lock Nuts

Figure 16

Auger Shaft

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.

NOTE: All models are equipped with reversible

skid shoes.

To remove skid shoes, remove the carriage bolts, Belleville washers and hex nuts which attach them to the snow thrower. Reassemble new skid shoes with the carriage bolts, Belleville washers (cupped side goes against skid shoes) and hex nuts.

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.

Figure 17

3. Remove the large shoulder bolt and washer on the left hand side of the engine pulley with an adjustable wrench. Refer to Figure 18.

NOTE: Reference to right hand or left hand side of

machine are observed from the operating position.

4. Remove the cotter pin and washer from the ferrule in order to disconnect the auger idler rod from the brake bracket assembly as shown in Figure 19.

5. Slip the auger control belt (the front belt) off the engine pulley. Refer to Figure 19.

6. Pull the brake bracket assembly towards the cable guide roller and unhook the auger cable “Z” fitting.

7. Remove the top screws and lock washers which attach the auger housing assembly to the frame assembly. A 9/16” wrench is required. Refer to Figure 20.

Page 12

Engine

Pulley

Shoulder

Figure 18

Large

Bolt

Extension

Spring

Brake

Bracket

ssembly

Pulley

Auger Control

Belt

Auger

Idler

Rod

Ferrule

Brake

Bracket

Assembly

“Z”

Fitting

Figure 19

Cable Roller Guide

Auger

Housing

Proper Adjustment With the auger clutch lever in

the disengaged position the top surface of the new belt should be even with the outside diameter of the pulley. To adjust, disconnect ferrule from the brake bracket assembly and thread ferrule in (towards idler) to increase tension on belt, out to decrease tension.

NOTE: The brake puck must always be firmly

seated in the pulley groove when the auger clutch lever is in the disengaged position.

Belt

Keepers

Hex Screw

Belleville Washer

Figure 21

Drive Belt

Remove

Frame Assembly

Figure 20

8. Separate the auger housing from the frame assembly by tilting the housing forward and pulling up the handles.

9. Using a 1/2” wrench remove the hex screw and belleville washer from the centre of the pulley on the auger housing. Lift the brake bracket assembly out of the pulley groove and remove the pulley. See Figure 21. Be careful not to lose the key.

10. Remove and replace auger belt inside belt keepers.

11. Reassemble pulley to auger housing with hex screw and belleville washer (cupped is toward the pulley). Be certain key is in place on shaft and brake puck is seated in the pulley groove.

Screw

Lock Washer

1. Unhook extension spring from the belt cover plate. See Figure 18.

2. Remove drive belt from the engine pulley and bottom drive pulley.

3. Replace belt and reassemble in reverse order.

4. Reassemble the two halves of the unit hooking the lower portion of the auger housing over the stationary shoulder bolts in the frame assembly.

5. Secure the two halves with the two screws and lock washers

6. Attach the “Z” fitting of the cable into the brake bracket assembly. See Figure 19.

7. Slip the auger control belt over engine pulley.

8. Insert ferrule on auger idler rod into bracket assembly and secure with flat washer and cotter pin.

9. Reassemble the large shoulder bolt and lock washer as shown in Figure 18.

10. Reassemble belt cover and chute directional control.

11. Remove plastic film from gas cap.

Page 13

Changing the Friction Wheel

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 signs of excessive wear or cracking are found.

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

2. Tip the snow thrower up and forward, so that it rests on the housing.

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

4. Remove the wheels from the axle.

5. Using a 7/8” wrench hold the hex shaft and remove the hex bolts and cupped washer and bearing from left side of the frame. See Figure

15. Hold the friction wheel assembly, and slide the hex shaft out of the unit toward the right hand side.

6. Remove the six screws from the friction wheel assembly (three from each side).

7. Reassemble new bonded friction wheel rubber to the friction wheel assembly, tighten the six screws in rotation and with equal force. See Figure 22.

Bonded Friction

Wheel Rubber

Sprocket

Spacer

Support Bracket

8. Position the friction wheel assembly up onto the pin of the shift rod assembly and slide the shaft through the friction wheel. See Figure 23.

9. Slide the hex shaft into the hex I.D. of the sprocket, the spacer and the left ball bearing and secure with the bell washer and hex bolt.

Shift Rod

Assembly

Friction Wheel

Assembly

Shaft

Figure 23

NOTE: Make sure the pin from the shift arm

assembly is assembled to the new friction wheel assembly.

CAUTION: Check engine and snow

thrower frequently for loose nuts, bolts, etc. and keep these items tightened.

Hex Self-tapping

Screws

Figure 22

SECTION 10: OFF-SEASON STORAGE

WARNING: Never store engine with fuel

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

1. If unit is to be stored over 30 days, prepare engine for storage as instructed in the separate engine manual included with your unit.

2. Remove all dirt from exterior of engine and equipment.

3. Follow lubrication recommendations on page 10.

4. Store in a clean, dry area.

NOTE: When storing any type of power equipment

in an unventilated or metal storage shed, care should be taken to rust proof the equipment. Using a light oil or silicone, coat the equipment, especially any chains, springs, bearings and cables.

Page 14

SECTION 11: TROUBLE SHOOTING GUIDE

Trouble Possible Cause(s) Corrective Action

Engine fails to start Fuel tank empty, or stale fuel.

Blocked fuel line. Choke not in ON position Faulty spark plug. Key not in switch on engine. Spark plug wire disconnected. Primer button not depressed. Fuel shut-off valve closed

Engine runs erratic Unit running on CHOKE.

Blocked fuel line or stale fuel.

Water or dirt in fuel system. Carburetor out of adjustment.

Loss of power Spark plug wire loose.

Gas cap vent hole plugged. Exhaust port plugged.

Engine overheats Carburetor not adjusted

properly.

Excessive vibration Loose parts or damaged

auger.

Unit fails to propel itself

Unit fails to discharge snow

Incorrect adjustment of drive cable. Drive belt loose or damaged. Discharge chute clogged.

Foreign object lodged in auger. Incorrect adjustment of drive cable. Drive belt loose or damaged.

Fill tank with clean, fresh gasoline. Fuel will not last over thirty days unless a fuel stabilizer is used. Clean fuel line. Move switch to ON position Clean, adjust gap or replace. Insert key. Connect spark plug wire.

Refer to the engine manual packed with your unit. Open fuel shut-off valve. Move choke lever to OFF position. Clean fuel line; fill tank with clean fresh gasoline. Fuel will not last over thirty days unless a fuel stabilizer is used. Drain fuel tank. Refill with fresh fuel. Refer to the engine manual packed with your unit or have carburetor adjusted by an authorized service dealer. Connect and tighten spark plug wire. Remove ice and snow from cap. Be certain vent hole is clear. Clean-see Maintenance section of engine manual. Refer to the engine manual packed with your unit or have carburetor adjusted by an authorized service dealer. Stop engine immediately and disconnect spark plug wire. Tighten all bolts and nuts. Make all necessary repairs. If vibration continues, have unit serviced by an authorized service dealer. Adjust drive cable. Refer to Adjustment section of this manual. Replace drive belt. Refer to Belt Replacement in Maintenance section of this manual. Stop engine immediately and disconnect spark plug wire. Clean discharge chute and inside of auger housing. Stop engine immediately and disconnect spark plug wire. Remove object from auger. Adjust drive cable. Refer to Adjustment section of this manual. Replace drive belt. Refer to Belt Replacement in Maintenance section of this manual.

Note: For repairs beyond the minor adjustments above, contact your local authorized service dealer.

Page 15

SECTION 12: Illustrated Parts

Model 993

Ref.

No.

1 731-1364 Halogen Lamp Housing 1 2 710-1240 Phillips Pan Head Screw M 4 x 16 2 3 712-0271 Hex Sems Nut 1/4-20 1 4 725-1669 Lamp/Lens Housing Ass’y1

629-0059 Halogen Light Wire Harness 1

725-1658 #890 Halogen Bulb 1 6 710-0451 Carriage Bolt 5/16-18 x .75 1 7 710-1003 Pan Head B-Tapp Screw #10 2 8 736-0159 Fl-Wash .344 ID x .88 OD 1 9 712-0429 Hex Ins L-Nut 5/16-18 1 10 731-1873A Handle Panel 1 11 735-0225 Grommet .38 ID x .50 OD x 12 1 12 705-5217 Lamp Mounting Bracket 1

Part No. Description Qty.

Page 16

Model 993

Page 17

Model 993

Ref.

No.

1 720-0232 Sml Shift Knob 2 2 705-5218 Engage Handle RH 1 3 705-5219 Engage Handl LH 1 4 710-0351 Pan Head B-tapp Scr #10 x .5 2 5 710-0599 Hwhd Sf-tap Scr 1/4-20 x 1/2 Lg. 4 6 711-0653 Clevis Pin .31 Dia x 1.0 1 7 712-3010 Nut Hex 5/16-18 Gd 5 6 8 714-0507 Cot-pin 3/32 Dia x 1.0 3 9 732-0145 Comp Spring .36 Dia x 1.0 Lg 1 10 732-0746 Spring Torsion .44 ID 1 11 735-0199A Rubber Bumper .63 Dia 2 12 736-0119 Lock Washer 5/16 6 13 736-0509 Wsher Spcl. .345 Sq. x .72 OD 2 14 747-0877 Cam Rod 2 15 748-0362 Clutch Lock Cam 2 16 748-0363 Clutch Lock Pawl 1 17 784-5679 Supt Brkt 5/8 Lh 1 18 784-5680 Supt Brkt 5/8 Rh 1 19 784-5681 Supt Brkt 3/8 Lh 1 20 784-5682 Supt Brkt 3/8 Rh 1 21 684-0102 Pnl Asm Hndl W/tilt 1 22 710-0459A Scr Hex Cap 3/8-24 x 1.5 Gd 5 1 23 712-0116 Hex Ins L-nut 3/8-24 1 24 732-0193 Compression Spring .39 ID x .88 1 25 736-0105 Bell Wash .40 ID x .88 OD x .06 1 26 784-5619A Shift Handle 1 27 710-0458 Carriage Bolt 5/16-18 x 1.75 6 34 710-0276 Carriage Bolt 5/16-18 x 1.00 1 35 710-0458 Carriage Bolt 5/16-18 x 1.75 1 36 710-0805 Hex Scr 5/16-18 x 1.5 1 37 710-0896 HWHD B Tapp Scr 1/4 x 5/8 Zn 2 39 712-0429 Hex Ins L-nut 5/16-18 3 40 731-0846C 6” Upper Chute Remote Tilt 1 41 731-1313C Chute Tilt Cable Guide 2 42 731-0903D 6” Lower Chute Remote Tilt 1 43 731-1319 Chute Pivot Spacer 2 44 736-0159 Fl-wash .344 ID x .88 OD x .063 2 45 736-0231 Flt Wshr .344 x 1.125 x .125 1 47 736-0506 Contoured Washer 1

Part No. Description Qty.

Ref.

No.

48 746-0902 Chute Control Cable 66” 1 49 746-0903 Chute Control Cable 66” W/clip 1 50 784-5594 Cable Bracket Chute Tilt 1 51 784-5604 Chute Tilt Handle 1 52 684-0053A Lower Chute Directional Control 1 53 710-3015 Hex Scr 1/4-20 x .75 Lg Gd5 1 54 712-0287 Hex Nut 1/4-20 1 55 720-0201A Chute Directional Control Knob 1 56 726-0100 Push Cap 3/8 Palnut #375011 1 57 736-0117 Flat Washer .38 ID x .60 OD x .033 1 58 736-0270 Bell Wash .26 ID x .75 OD x .06T 1 59 747-0624 Upper Chute Directional Control 1 60 705-5266 Brkt Chute Directional Control 1 61 741-0475 Plastic Bushing .380 ID 4 62 710-0216 Hex Scr 3/8-16 x .75 2 63 710-0347 Hex Scr 3/8-16 x 1.75 2 64 710-1625 Scr Oval C/sunk #10-24 x 1.75 2 65 711-0677 Adjustment Ferrule 1 66 712-0127 #10-24 Flat Weld Nut 2 67 714-0101 Internal Cot-pin 1/2 Dia 1 68 714-0104 Inter Cot-pin 5/16 Dia 4 69 736-0105 Bell Wash .4 ID x .88 OD x .06 4 70 736-0185 Fl-wash .406 ID x .74 OD x .063 2 71 736-0275 Fl-wash Sae .34 x .68 x .062 2 72 746-0950 Trigger Ass’y Steer 2 73 712-0324 Hex Ins L-nut 1/4-20 2 74 732-0184 Extension Spring 2 75 746-0952 Cable Clutch Drive 2 76 646-0012 Handle Lower 2 77 749-0990A Handle Upper Rh 1 78 749-0989A Handle Upper Lh 1 79 747-0997 Upper Shift Rod 5/16 x 10.57 1 80 750-0963 2 Pc Shift Rod Connector 1 81 747-0983 Lower Shift Rod 3/8 x 14.75 1 82 712-0287 Hex Nut 1/4 - 20 2 83 736-0270 Bell Wash .26 ID x .75 OD x .06T 2 84 720-0284 Wingnut 4 85 736-0242 Bell Wash .345 ID x .88 OD x .060 4 86 710-0572 Carriage Bolt 5/16 -18 x 2.5 4

Part No. Description Qty.

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 par t. 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

Page 18

Model 993

Page 19

Model 993

Ref.

No.

1 736-0159 Flat Washer .344 ID x .875 OD 7 2 710-3015 Truss. Hd. Mach. Scr. 1/4-20 x .75 6 4 736-0105 Belleville washer 6 6 731-0903D 6” Lower Chute Remote Tilt 1 8 784-5711 Chute Bracket 1 15 784-5123 Chute Bracket 1 16 731-1696 Chute Adapter 1 17 736-0242 Bell. Washer .345 ID x .88 OD x .06 15 19 712-3027 Hex Cent. L-Nut 1/4-20 w/ Flange 6 20 731-0851A Chute Flange Keeper 3 23 710-0601 Hex Wash HD Self-Tap Scr 5/16-18 x

26 710-0371 Hex Screw 5/16-18 x .75 1 28 756-0243 1/2” V-Pulley .875 ID x 10.12 OD 1 29 714-0126 #9 Hi-Pro Key 3/16 x 3/4 Dia HT 1 30 741-0185 Self-Aligning Bearing .875 ID 1 31 712-3010 Hex Nut 5/16-18 GD. 5 12 32 736-0119 L-Wash 5/16 ID 7 33 05244A Bearing Housing 2 34 711-0640 Belt Keeper Studs 3/8-16 x 2.75 5 38 710-0451 Carriage Bolt 5/16-18 x .75 16 45 684-0093A 33” Snowthrower Hsg. Ass’y 1 46 784-5714 Shave Plate 33” 1 52 710-3168 Carriage Bolt 3/8-16 x 1.00 Gr. 5 2 53 710-0389 Carriage Bolt 3/8-16 x .75” Lg. 4 54 784-5710 Gear Housing Support Plate 1 x 3/16 1 56 712-0798 Hex Jam Nut 3/8-16 6 58 715-0118 Spring Spiral Pin Heavy 5/16 dia x 1.7 2 59 684-0090 Blower Fan Ass’y Complete 1 60 784-5076 Gear housing Support Bracket 1 x

61 721-0325 Barbed Plug 1 63 738-0491 Spiral Axle -33” 1 64 721-0146 Oil Seal 1.50 ID Garlock (76 x 6223) 2 65 719-0348 Gear Housing Half - RH 1 67 714-0126 #9 Hi-Pro Key 3/16 x 3/4 dia HT 1 68 711-1133 Auger Control Shaft 1 69 716-0111 Snap Ring for .875 dia. shaft 1 70 721-0145 Oil Seal for .875 ID (76 x 6133) 1 71 741-0217 Sleeve Bearing .875 ID 2

Part No. Description Qty.

.75

3/16

Ref.

No.

72 741-0184 Thrust Bearing .88 ID x 1.44 OD x

73 736-0291 Flat Washer .88 ID x 1.4 OD x .125 3 74 717-0299 Worm Gear LH Double Thread 1 75 741-0670 Flange Brg. 1.5 ID x 1.75 OD x .80 2 76 736-0266 Flat Washer 1.5 ID x 2.0 OD x .03 2 77 717-1425 Worm Gear LH Double Thread

78 738-0275 Worm Gear Shaft 1 79 714-0135 #91 Woodruff Key 1/4 x 3/4 dia 1 80 719-0349 Gear Housing Half LH 1 81 710-1260A Hex Flange Scr. 5/16-18 x .75 7 82 712-0429 Hex Ins. L-Nut 5/16-18 12 83 714-0135 #91 Woodruff Key 1/4 x 3/4 dia 1 84 736-0250 Flat Washer 4 85 741-0494 Flange Bearing 4 87 710-0891 Shear Bolt 5/16-18 x 1.75 2 90 05845B Housing bearing 1.5 Dbl D 2 91 741-0192 Flange Bearing w/flats 2 94 754-0222 V-Belt 1/2 x 44 LG 1 96 618-0257 Worm Gear Box Ass’y1 98 784-5697 Reversible Skid Shoe 2 100 705-5210A RH Spiral Ass’y Serrated - 33” 1

101 710-0528 Hex Scr 5/16-18 x 1.25 1 102 736-0271 5/16 Sprg Wash 1 103 736-0169 3/8 Sprg Lock Wash 5 104 618-0281 Brkt Ass’y Brkt 1 105 710-0459A Scr Hex Cap 3/8-24 x 1.5 GRD 5 1 106 711-0677 Adjustment Ferrule 1 107 712-0116 Hex Ins L-Nut 3/8-24 1 108 714-0104 Intern Cot-Pin 5/16 dia 1 109 732-0858 Spr Extn .470 dia x 4.75 Lg 1 110 736-0174 Wave Washer .66 ID x .88 OD 2 111 736-3008 Fl-Wash SAE .34 x .68 1 112 738-0281 Shld Scr .625 dia x .170 x .062 2 113 747-0980 Rod Idler Auger 1 114 756-0240 3.0 OD Flat Idler with Flanges 1 115 784-0385 Brkt Idlr Auger 1 116 741-0475 Plastic Bushing .380 ID 1

Part No. Description Qty.

.078

(Bronze)

705-5211A LH Spiral Ass’y Serrated - 33” 1

Yard-Man Green: 0665 Yard-Man Yellow: 0674 Powder Black: 0637

Page 20

Model 993

Page 21

Model 993

Ref.

No.

1 629-0071 Extension Cord 10 Ft. 1 2 710-0502A Hex L-wash Tt Scr 3/8-16 X 1.25 4 3 710-0607 Hwhd 5/16-18 X 1/2 Thd Roll Zn 3 4 731-0321-1 Belt Cover - Pierced 1 5 736-0264 Fl-wash .344 ID X .625 OD X .063 3 6 712-3006 Nut 1/4-20 GR B Hex 1 8 732-0705 Cable Control Wire 1 9 736-0173 Fl-Wash .28 ID x .74 OD x .063 1 10 736-0329 Lock Washer 1/4 1 11 07386 Wash .39 ID X 1.75 OD X .175 T 1 12 710-0191 Scr Hex Cap 3/8-24 X 1. Gd 8 1 13 710-0237 Scr Hex Cap 5/16-24 X .62 Gd 5 3 14 710-0459 Scr Hex Cap 3/8-24 X 1.5 Gd 5 1 15 710-1245 Hhcs 5/16-24 X 7/8 Gr 5 1 16 712-0116 Hex Ins L-nut 3/8 - 24 1

IMPORTANT: For a proper working machine, use Factory Approved Parts. V-BELTS are specially designed to engage and disengage safely. A substitute (non OEM) V-Belt can be dangerous by not disengaging completely

Part No. Description Qty.

Ref.

No.

17 714-0118 Square Key 1/4 X 1.5 1 18 732-0303 Extension Spring .38 OD X 3.18 L 1 19 736-0169 L-wash 3/8 1 20 736-0217 Lock Washer 3/8 Heavy 1 21 736-0242 Bell Wash .345 ID X .88 OD X .060 4 22 737-0157 Grease - Sunaplex 781 - 1/10 1 23 738-0215A Shoulder Scr .498 Dia X 3.0 Lg 1 24 748-0234 Shldr Spcr .50 Dia X .14 Shldr 1 25 754-0131 3v Belt 35.5 Lg 1 26 756-0240 3.0 OD Flat Idler With Flange 1 27 756-0241B Dbl Engine Pulley 3.25 & 2.75 1 28 684-0123A Brkt Asm Cvr Belt 12 HP 1 29 784-5726 Brkt Idlr Dr 1 30 - Engine 1

Part No. Description Qty.

Page 22

Model 993

Page 23

Model 993

Ref.

No.

1 05523 Pivot Axle Brkt. .63 Hole - Zinc 1 2 618-0278 Bush Asm slev 1 3 618-0279 Dogg Asm Dr Lh 1 4 618-0280 Dogg Asm Dr Rh 1 5 618-0282A Shf Asm Dr 1 6 618-0296 Whl Asm Brg 6.0 OD Friction 1 7 684-0115 Brkt Asm Supt Friction Dr 1 8 684-0116 Arm Asm Shift 1 9 684-0117 Shft Asm Rod 1 10 684-0118 Brkt Asm Actr Auger 1 11 684-0119 Brkt Asm Actr Dr 1 12 684-0120 Frm Asm Trans 1 13 684-0122 Spkt Asm 32t 2 14 710-3008 Hex Scr 5/16-18 x .75 3 15 710-0195 Hhcs 1/4-28 .625 Gr5 std 2 16 710-3180 Hex Scr 5/16-18 x 2.00 2 17 710-0538 Hhcs 5/16-18 x .625 Gr5 Lock 2 18 710-0599 Scr TT 1/4-20 x .5 Hxindwsh 4 19 710-3103 Hex Scr 5/16-18 2.00 Lg 2 20 710-0788 Scr Hexwash 1/4-20 x 2.00 1 22 710-1652 Scr Ab 1/4-14 .625 Hxindwsh 14 23 710-3001 Hhcs 3/8-16 x .880 Gr5 Std 2 24 710-3008 Scr Cap 5/16-18 x .75 Gr 5 4 25 711-1191 Shf Dr .875 Hex 1 26 711-1193 Shf Sctr 1 27 711-1194 Shf Actr Dr 1 28 712-0138 Hex Nut 1/4-28 3 29 712-0221 Hex Ins Jam L-nut 5/8-18 1 32 712-0429 Hex Ins L-nut 5/16-18 4 33 712-0798 Hex Nut 3/8-16 2 34 712-3010 Nut Hex 5/16-18 Gd 5 7 35 713-0284 #41 Chain 1/2 Pitch x 36 L 1 36 713-0286 #420 Chain 1/2 Pitch x 40 L 2 37 713-0413 Spkt 10t #41 x .500 1 38 714-0101 Internal Cot-pin 1/2 Dia 4 39 714-0104 Intern Cot-pin 5/16 Dia 1 40 714-0115 Cotter Pin 1/8 Dia x 1 1 41 714-0388 #61 Hi-pro-key 3/16 x 5/8 1 42 715-0249 Spring Pin Roll 5/32 1

Part No. Description Qty.

Ref.

No.

43 717-0302 Aluminum Drive Plate 1 45 732-0121 Idler Extension Spring 1 46 732-0209 Extension Spring 2 47 736-0119 Lock Washer 5/16 7 48 736-0158 Lock Washer 5/8 1 49 736-0160 Wash Fl .531 ID x .930 OD x .05 4 50 736-0163 Wash Fl 1.03 ID x 1.62 OD 4 51 736-0300 Wash Flt 1/4 ID x .930 OD x .12 2 52 736-0623 Wash Flt .640 ID x 1.24 OD x .06 1 53 736-0217 Lock Washer 3/8 Heavy 4 54 736-0242 Bell Wash .345 ID x .88 OD 2 55 736-0275 Fl-wash Sae .34 x .68 .062 1 56 736-0329 Lock Washer 1/4 5 57 738-0143 Shld Scr .498 Dia x .340 2 58 738-0279 Drive Plate Spindle 1 59 738-0924 Scr Shldr .340 D. 1/4 Ab 1 60 741-0163A Asm Brg Hsg 2 61 741-0192 Flange Brg Pm W/flts 1.0 2 62 741-0563 Ball Bearing W/snap Ring 2 63 741-0597 Brg Hex Flange x .564 ID 2 64 746-0951 Cb Idlr Auger 1 65 746-0949 Cbl Strg 2 66 747-0973 Rod Clu Dr 1 67 750-1097 Spcr Splt .64 x .77 x 2.1 1 68 750-0903 Split Spacer 1/2 x 5/8 x 2.44 2 69 750-0997 Spcr .675 ID x 1.00 OD x .23 1 70 756-0344 1/2 V-pulley .62 ID x 7.5 1 71 756-0625 Cable Guide Roller 1 72 784-0377 Brkt Supt Frm 1 73 784-0379 Cvr Frm Upr 1 74 784-0380 Cvr Frm Lwr 1 75 784-0384 Brkt Gde Auger Cbl 1 76 784-5590 Shift Bracket Frame 1 77 714-0151A Klik Pin Assy Danuse 2 78 738-0975 Axle 1.0 OD x 14.1 Lg 2 79 734-1593 Cmp. Whl. Assy 16 x 6.5 Snohog 2 80 712-0116 Hex Jam Nut 3/8-24 Thd. 2 81 750-1196 Spacer 1 82 736-0639 Fl-Washer 1

Part No. Description Qty.

Yard-Man Green: 0665 Yard-Man Yellow: 0674 Powder Black: 0637

Page 24

MANUFACTURER’S LIMITED WARRANTY FOR:

The limited warranty set forth below is given by MTD PRODUCTS INC (“MTD”) with respect to new merchandise 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 purchase and will, at its option, repair or replace, free of charge, any part found to be defective in material or workmanship. This limited warranty shall only apply if this product has been operated and maintained in accordance with the Operator’s Manual furnished with the product, and has not been subject to misuse, abuse, commercial use, neglect, accident, improper maintenance, alteration, vandalism, theft, fire, water or damage because of other peril or natural disaster. Damage resulting from the installation or use of any 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 TO OBTAIN SERVICE: Warranty service is available, 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, Cleveland, Ohio 44136-9722. No product returned directly to the factory will be accepted unless prior written permission has been extended by the Customer Service Department of MTD PRODUCTS INC.

b. 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.

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

rate one year warranty.

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 parts as identified. No other express warranty or guaranty, whether written or oral, except as mentioned above, given by any person or entity, including a dealer or retailer, with respect to any product shall bind MTD. During the period of the Warranty, the exclusive remedy is repair or replacement of the product as set forth above. (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 forth in this Warranty provide 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 recovery of any kind be greater than the amount of the purchase price of the product sold. Alteration 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 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.

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 state.