MTD 642 Operator's Manual
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- Owner's manual (12 pages) ,
- Owner's manual (16 pages) ,
- Owner's manual (16 pages)
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OPERATOR'S MANUAL
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.
Model 642 Shown
SNOW
THROWER
Models 642E, 642F,
662E, 614E, 644E,
664F, & 6A4E
FORM NO.
770-10045E.fm
(6/2001)
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Summary of Contents for MTD 642
- 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 770-10045E.fm PRINTED IN U.S.A.
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Page 2: Table Of Contents
(Model Number) (Serial Number) Copy the model number here: Copy the serial number here: MTD PRODUCTS INC CLEVELAND, OHIO 44136 ENGINE INFORMATION The engine manufacturer is responsible for all engine-related issues with regards to performance, power-rating, specifications, warranty and service. Please refer to the engine manufacturer’s Owner’s/Operator’s Manual packed separately with your unit for more information. -
Page 3: Important Safe Operation Practices
SECTION 1: 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 this machine. Failure to comply with these instructions may result in personal injury. - Page 4 The clutch levers must operate easily in both directions telephone 1-800-800-7310 for assistance and the name and automatically return to the disengaged position when of your nearest servicing dealer. released. Maintenance And Storage Never operate with a missing or damaged discharge chute.
- Page 5 SECTION 2: CONTENTS OF HARDWARE PACK Lay out the hardware according to the illustration below for identification purposes. Part numbers are shown in parentheses. (Hardware pack may contain extra items which are not used on your unit.) ATTACHING HANDLE PANEL ATTACHING THE HANDLES Lock Washers 736-0119 (4)
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Page 6: Hardware Pack
SECTION 3: ASSEMBLING YOUR SNOW THROWER Before Assembly NOTE: This operator’s manual covers various models of snow throwers. The units illustrated may vary slightly WARNING: from your unit. Follow only those instructions which Disconnect the spark plug pertain to your model snow thrower. wire and ground it against the engine to prevent unintended starting. - Page 7 Triangle Metal Tab Hex Bolt Lock Washer Handle Panel & Handles Auger Control Left Bracket Left Handle Hex Lock Nut Spacer Hex Bolt Handle Panel Figure 5 • Raise the handle assembly into the upright position “Z” Fitting and align the top holes in the handle with the top holes in the snow thrower frame.
- Page 8 • Models 602, 642, and 662: Rotate the shift arm • Models 602, 642, and 662: Thread the ferrule up assembly counter clockwise, as far as it will go. or down the shift rod and align with the lower hole Insert the shift rod through the shift arm assembly.
- Page 9 • After assembling all three chute flange keepers, • Adjust the chute bracket so that the spiral on the tighten all nuts and bolts securely then back off 1/4 chute directional control fully engages the teeth on turn to allow easier movement. the chute assembly.
- Page 10 NOTE: If you are not sure that you have adjusted correctly, refer to the Adjustment section. Lower Handle Skid Shoes The space between the shave plate and the ground can be adjusted. See Figure 14. a. For close snow removal on a smooth surface, raise skid shoes higher on the auger Alternator Lead...
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Page 11: Know Your Snow Thrower
SECTION 4: KNOW YOUR SNOW THROWER WARNING: Release to stop the snow throwing action. Read, understand, and follow all instructions and warnings on Traction Control the machine and in this manual before operating. The traction control is located on the right handle. Squeeze the traction control grip to engage the wheel Shift Lever drive. -
Page 12: Operating Your Snow Thrower
Safety Ignition Key Fuel Shut-off Valve The safety ignition key must be fully inserted in the The fuel shut-off valve, located under the fuel tank, switch before the unit will start. Remove the ignition key controls fuel flow from the tank. Always make certain it when the snow thrower is not in use. -
Page 13: Making Adjustments
To Engage Drive • Grasp starter handle and pull rope out slowly, until it pulls slightly harder. Let rope rewind slowly. • With the engine running near top speed, move shift • Pull starter handle rapidly. Do not allow handle to lever into one of the five FORWARD positions or snap back. - Page 14 Place the shift lever in the fastest forward speed position. Models 602, 642, 662 • Push up on the shift arm assembly as far as it will go. Thread the ferrule up or down the shift rod and align with the lower hole on the wider side of the shift lever assembly behind the handle panel.
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Page 15: Maintaining Your Snow Thrower
Drive Wheels OUTSIDE HOLE in the axle. Doing so can result in serious damage to the drive system. • The wheels may be adjusted for two different methods of operation. Follow the steps below for Inside Hole adjustment. See Figure 18. In Axle One Wheel Driving •... - Page 16 Gear Case a season. Use engine oil or a spray lubricant. Avoid getting oil on rubber friction wheel and aluminum drive The worm gear case has been filled with grease at the plate. factory. If disassembled for any reason, lubricate with 2 ounces of shell grease, part number 737-0168.
- Page 17 Friction Wheel Assembly Self-Tapping Screw Support Frame Bracket Belt Cover Gear Shaft Auger Belt Figure 22 • Remove six self-tapping screws from the frame cover underneath the snow thrower. • Roll the front and rear auger belts off the engine pulley.
- Page 18 Off-Season Storage • Remove the klick pins which secure the wheels, and remove the wheels from the axle. • Using a wrench to hold the shaft, loosen, but do not WARNING: Never store the machine or completely remove, the hex nut and bell washer on fuel container indoors where there is an the left end of gear shaft.
- Page 19 SECTION 9: TROUBLE SHOOTING GUIDE Trouble Possible Cause(s) Corrective Action Engine fails to start Fuel tank empty, or stale fuel. Fill tank with clean, fresh gasoline. Fuel will not last over thirty days unless a fuel stabilizer is used. Blocked fuel line. Clean fuel line.
- Page 20 Models 642E, 642F, 662E, 614E, 644E, 664F, & 6A4E...
- Page 21 Models 642E, 642F, 662E, 614E, 644E, 664F, & 6A4E REF. PART REF. PART DESCRIPTION DESCRIPTION 712-0116 Lock Jam Nut 3/8-24 784-5581A 24” Shave Plate 756-0178 Flat Idler 784-5579A 26” Shave Plate 784-5632A Auger Idler Arm 784-5582A 28” Shave Plate 710-0459A Hex Cap Screw 3/8-24 x 1.50 784-5575 30”...
- Page 22 Models 642E, 642F, 662E, 614E, 644E, 664F, & 6A4E...
- Page 23 Models 642E, 642F, 662E, 614E, 644E, 664F, & 6A4E REF. PART REF. PART DESCRIPTION DESCRIPTION 712-0116 Jam Lock Nut 3/8-24 27. 710-3103 Hex Cap Screw 5/16-18 x 2.0 732-0193 Compression Spring 28. 710-0262 Carriage Bolt 5/16-18 x 1.50 736-0105 Bell Washer 29.
- Page 24 Models 642E, 642F, 662E, 614E, 644E, 664F, & 6A4E Drive Clutch Cable Auger Clutch Cable 16” Wheels 13” or 15” Wheels 9 10 Auger Clutch Cable Blower Housing...
- Page 25 Models 642E, 642F, 662E, 614E, 644E, 664F, & 6A4E REF. PART REF. PART DESCRIPTION DESCRIPTION 710-0599 Hex Screw 23. 714-0126 784-5688 Drive Cable Guide Bracket 24. 717-1444 7-Tooth Shaft 784-5687A Auger Clutch Cable Bracket 25. 715-0249 Roll Pin 756-0625 Roller Cable 26.
- Page 26 614E Models 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. REF. PART REF. PART DESCRIPTION DESCRIPTION 710-1652 Hex Washer Screw 1/4-20 x.5 712-0181 Lock Jam Nut 3/8-16...
- Page 27 Models 642E, 642F, 662E, 614E, 644E, 664F, & 6A4E 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. REF.
- Page 28 MANUFACTURER’S LIMITED WARRANTY c. Routine maintenance items such as lubricants, filters, The limited warranty set forth below is given by MTD blade sharpening and tune-ups, or adjustments such PRODUCTS INC (“MTD”) with respect to new merchandise as brake adjustments, clutch adjustments or deck purchased and used in the United States, its possessions adjustments;...