Manual

ManualsBrandsMTD ManualsDo-It-Yourself tools642F

OPERATOR'S MANUAL

SNOW

THROWER

Models 642E, 642F,

662E, 614E, 644E,

664F, & 6A4E

Model 642 Shown

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.

FORM NO. 770-10045E

(6/2001)

Summary of content (28 pages)

PAGE 1
OPERATOR'S MANUAL SNOW THROWER Models 642E, 642F, 662E, 614E, 644E, 664F, & 6A4E Model 642 Shown 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 forestcovered, 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).
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TABLEOFCONTENTS Content Page Important Safe Operation Practices ................................................................... 3 Hardware Pack ................................................................................................... 5 Assembling Your Snow Thrower ........................................................................ 6 Know Your Snow Thrower .................................................................................. 11 Operating Your Snow Thrower ...........
PAGE 3
SECTION1: IMPORTANT SAFEOPERATION 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. When you see this symbol - heed its warning.
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3. Theclutchlevers mustoperate easilyinbothdirections telephone 1-800-800-7310 for assistance and the name andautomatically return tothedisengaged position when of your nearest servicing dealer. released. 4. Never operate withamissing ordamaged discharge MaintenanceAndStorage chute.Keepallsafety devices inplaceandworking. 1. Never tamper with safety devices. Check their proper 5. Never runanengine indoors orinapoorly ventilated operation regularly. area.Engine exhaust contains carbon monoxide, an 2.
PAGE 5
SECTION2: CONTENTSOFHARDWARE PACK Lay out the hardware according to the illustration below for identification purposes. Part numbers are shown in }arentheses. (Hardware pack may contain extra items which are not used on your unit.
PAGE 6
SECTION3: ASSEMBLING YOURSNOWTHROWER NOTE: This operator's manual covers various models of snow throwers. The units illustrated may vary slightly from your unit. Follow only those instructions which pertain to your model snow thrower. NOTE: References to right or left side of the snow thrower are determined from behind the unit in the BeforeAssembly _lb wire and ground WARNING: Disconnect it against the thespark engineplug to prevent unintended starting.
PAGE 7
Triangle Metal Tab Hex Bolt__ Lock Washer Left Left Bracket He)( Lock Nut Figure 5 "Z" Fitting Figure 4 Secure with hex bolt, spacer, and hex lock nut. Do not overtighten this bolt as it will prevent the control from automatically returning to their upright position. Repeat process for the right side Traction Control. Lay handle assembly behind snow thrower. See Figure 5. Insert a hex bolt 3/4" long and lock washer through the lower hole on the bottom of the handle.
PAGE 8
Models 602, 642, and 662: Rotate the shift arm assembly counter clockwise, as far as it will go. Insert the shift rod through the shift arm assembly. When installed the shift arm assembly should point to the right. Secure with flat washer and hairpin clip. See Figure 7. Models 614, 644, 664 and 6A4: Rotate the shift arm assembly counter clockwise as far as it will go. Insert the shift rod through the shift arm assembly. When installed, the shift arm assembly should point left.
PAGE 9
Afterassembling allthreechuteflangekeepers, tightenallnutsandboltssecurelythenbackoff1/4 turntoalloweasiermovement. Adjustthechutebracketsothatthespiralonthe chutedirectional controlfullyengages theteethon thechuteassembly. Carriage Bolts Hex Lock Nuts Keeper Bracket Figure 10 AttachingTheChuteDirectionalControl (HardwareC) Thread one hex nut about halfway onto eye bolt on the chute directional control. Insert eye bolt through the hole provided in the left handle. See Figure 11.
PAGE 10
NOTE: If you are not sure that you have adjusted correctly, refer to the Adjustment section. 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 Alternator b. Lam! Wire surface, raise skid shoes higher on the auger housing. Use a middle or lower position when the area to be cleared is uneven. Adjust skid shoes by loosening the four hex nuts and carriage bolts. Move skid shoes to desired position.
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SECTION4: KNOWYOURSNOWTHROWER WARNING: Read, understand, and Release to stop the snow throwing action. follow all instructions and warnings on the machine and in this manual before TractionControl operating. The traction control is located on the right handle. Squeeze the traction control grip to engage the wheel drive. Release to stop. ShiftLever The shift lever is located in the center of the handle ChuteDirectionalControl panel. The shift lever may be moved into one of six positions.
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SafetyIgnitionKey FuelShut-offValve The safety ignition key must be fully inserted in the switch before the unit will start. Remove the ignition key when the snow thrower is not in use. See Figure 15. The fuel shut-off valve, located under the fuel tank, controls fuel flow from the tank. Always make certain it is in the Open (vertical) position before attempting to start the engine. See Figure 15. IMPORTANT: Do NOT attempt to turn the key.
PAGE 13
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. ToEngageDrive With the engine running near top speed, move shift lever into one of the five FORWARD positions or two REVERSE positions. Select a speed appropriate for the snow conditions that exist.
PAGE 14
SkidShoe The space between the shave plate and the ground can be adjusted. Refer to the Final Assembly in the Assembly section. Friction Wheel / TractionControl il Gear Shaft Drain gasoline and engine oil from the snow thrower. Place plastic film under the gas cap if the snow thrower has already been operated. Tip the snow thrower so that it rests on the auger housing. See Figure 16.
PAGE 15
DriveWheels 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 adjustment. See Figure 18. Inside Hole OneWheel Driving On the right side of the unit, place klick pin in the outside axle hole only. Do not place pin through wheel hub.This position gives power drive to the left wheel only, making the unit easier to maneuver.
PAGE 16
(;ear Case a season. Use engine oil or a spray lubdcant. Avoid getting oil on rubber friction wheel and aluminum drive plate. The worm gear case has been filled with grease at the factory. If disassembled for any reason, lubdcate with 2 ounces of shell grease, part number 737-0168. FrictionWheel IMPORTANT: Do not overfill the gear case. Damage to the seals could result. Be sure the vent plug is free of grease in order to relieve pressure.
PAGE 17
Friction Wheel Pin _Belt Cover_ Support Bracket Gear Auger Belt Figure 22 Remove six self-tapping screws from the frame cover underneath the snow thrower. Roll the front and rear auger belts offthe engine pulley. See Figure 23. Unhook the idler spring from the hex bolt on the auger housing. See Figure 24. Unhook the support bracket spring from the frame. Pulley Housing Spring Figure 24 Using a wrench, loosen the nut on the stop bolt until the support bracket rests on the auger pulley.
PAGE 18
Remove the ktick pins which secure the wheels, and remove the wheels from the axle. Off-Season Storage Using a wrench to hold the shaft, loosen, but do not completely remove, the hex nut and bell washer on the left end of gear shaft. See Figure 26. WARNING: Never store the machine or fuel container indoors where there is an open flame, spark or pilot light such as on a water heater, furnace, clothes dryer or other gas appliances.
PAGE 19
SECTION9: TROUBLE SHOOTING GUIDE Trouble Possible 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 (if so equipped), Unit running on CHOKE, Blocked fuel line or stale fuel, Engine runs erratic Water or dirt in fuel system, Carburetor out of adjustment, Spark plug wire loose, Gas cap vent hole plugged, Exhaust port plugged,
PAGE 20
Models642E, 6421:,662E, 614E,644E, 6641:,& 6A4E 8 \ 7 6 9 10 3 2 / 14 / 21 \ Y 16 29 30 7 18 33 / 24 ! 28 / 16 36 / 37 \ 33 \ 31 20 . \25
PAGE 21
Models642E, 642F,662E, 614E,644E, 664F,& 6A4E REE NO. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14. 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, PART NO. 712-0116 756-0178 784-5632A 710-0459A 741-0475 736-0242 712-3010 712-0324 736-0463 705-5226 731-1379C 710-0703 710-0451 738-0281 736-0167 712-3068 732-0611 736-0119 05931A 741-0309 684-0039C 684-0040C 684-0041C 684-0055B 736-0169 712-0798 784-5580 REF. PART NO. NO.
PAGE 22
Models642E, 6421:,662E, 614E,644E, 6641:,& 6A4E 17 22 20 21 29 38 .
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Models642E, 642F,662E, 614E,644E, 664F,& 6A4E REE NO. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, REF. NO. 1. 2, 3. 4, 5. 6. 7. 8. PART NO. 712-0116 732-0193 736-0105 784-5619A 710-0459A 710-0788 714-0104 720-0232 711-0677 726-0100 747-0921 720-0201A 705-5204A 747-0697 735-0234 684-0008A 720-0274 705-5233A 705-5234A 750-1032 735-0199A 746-0778 705-5275 712-0429 736-0119 712-3010 705-5274 749-0910C PART NO.
PAGE 24
Models642E, 6421:,662E, 614E,644E, 6641:,& 6A4E >_7 37 / 39 Drive Clutch Cable 42 5 13 \ 7 11 10 / / Auger Cable / l Clutch 26 \ \ 0 / / Blower Housing 24
PAGE 25
Models642E, 642F,662E, 614E,644E, 664F,& 6A4E REE NO. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, PART NO.
PAGE 26
Models614E 2 \ 4 9 11 5 8 _" 10 .) 20. 22 16 i 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-Be!t can be dangerous by not / disengaging completely. REE NO. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12. 13, 14. PART NO. 710-1652 731-1324 732-0339 710-0627 710-3005 05896A 748-0234 756-0985 754-0343 756-0984 736-0270 710-0230 756-0313 710-1245A DESCRIPTION Hex Washer Screw 1/4-20 x.
PAGE 27
Models642E, 642F,662E, 614E,644E, 664F,& 6A4E 21 20 21 2O \ 2O I I 15 IMPORTANT: For a proper working machine, use Factory I Approved Parts. I V-BELTS are Specially designed to engage and disengage I safely. A Substitute (non OEM) VrBe!t can be dangerous by not d sengag ng compete y. REF. NO. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, PART NO. 710-1652 731-1324 710-3005 732-0710 710-0627 05896A 748-0234 756-0987 754-0346 756-0986 736-0270 710-0230 756-0313 DESCRIPTION Hex Washer Screw 1/4-20 x .
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MANUFACTURER'S LIMITED WARRANTY 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.