Table of Contents
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O
PERATOR'S
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
M
ANUAL
Model
31AH553G401
FORM NO.
770-10028B
(10/2000)
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Summary of Contents for Yard-Man 31AH553G401
- Page 1 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 ANUAL Model 31AH553G401 770-10028B FORM NO. (10/2000)
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Page 2: Table Of Contents
Content 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 This Operator’s Manual is an important part of your new Snow Thrower. -
Page 3: Important Safe Operation Practices
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. -
Page 4: Maintenance And Storage
Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas. Do not operate machine while under the influence of alcohol or drugs. Muffler and engine become hot and can cause a burn. Do not touch. -
Page 5: Assembling Your Snow Thrower
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. •... -
Page 6: Final Adjustments
• 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 connector is not properly assembled, the shift rod will pivot and you will not be able to change direction or speed of the snow thrower. - Page 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.
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Page 8: Know Your Snow Thrower
SECTION 3: KNOWING YOUR SNOW THROWER WARNING: Be familiar with all the controls and their proper operation. Know how to stop the machine and disengage them quickly. • See Figure 9 to identify all the controls described below. Traction Control / Auger Control Lock Gas Tank Discharge... - Page 9 Electric Chute-Rotation Switch The electric chute-rotation switch is located on 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.
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Page 10: Operating Your Snow Thrower
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. •... -
Page 11: Operating Tips
• 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. -
Page 12: Making Adjustments
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 your snow thrower’s engine, and place a piece of... -
Page 13: Maintaining Your Snow Thrower
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. -
Page 14: Belt Removal And Replacement
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 ground it against the engine to prevent unintended starting. -
Page 15: Service
• 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 necessary to loosen the six nuts that connect the frame to the auger housing to aid in belt removal. - Page 16 • 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.
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Page 17: Troubleshooting
SECTION 9: TROUBLESHOOTING Problem Engine fails to start. Fuel tank empty, or stale fuel. Blocked fuel line. Choke not in ON position Faulty spark plug. Safety key not in ignition switch on engine. Spark plug wire disconnected. Primer button not being used properly. Fuel shut-off valve closed. -
Page 18: Parts List
SECTION 10: PARTS LIST FOR MODEL 31AH553G401 reference only reference only NOTE: For painted parts, please refer to the list of color codes below. Please add applicable color code, needed, to the part number to order a replacement part. For instance, if a part... - Page 19 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 #10-16x 0.625” 710-3008 Hex Screw 5/16-18 x .75”...
- Page 20 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 21 MODEL 31AH553G401 Ref. No. Part No. 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, 5/16-18 x 1.00...
- Page 22 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...
- Page 23 MODEL 31AH553G401 Ref. Part No. Part Description 710-1652 Hex Washer Screw 1/4-20 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...
- Page 24 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 25 MODEL 31AH553G401 Ref. No. Part No. Part Description 618-0043 Dogg Assembly: RH 618-0044 Dogg Assembly: LH 618-0303B Drive Shaft Assembly 656-0012A Friction Wheel: Disc Assembly 684-0014B Shift Rod Assembly 684-0042C Bearing: Friction Wheel 684-0131A Support Bracket: Friction Wheel 710-0599 TT Screw: 1/4-20 x 0.5”...
- Page 26 MODEL 31AH553G401...
- Page 27 Your Notes Comments Date...
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Page 28: P.o. Box
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...