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.
M
ANUAL
MODELS
615
E645E
E665E
FORM NO. 770-0830A
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Summary of Contents for Yard Machines 615
- 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.
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Page 2: Section 1: 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 YOUR SNOW THROWER. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. -
Page 3: Maintenance And Storage
• If the snow thrower should start to vibrate abnormally, stop engine 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. -
Page 4: Section 2: Finding Your Model Number
Operators Manual. The information on the model plate is very important if you need help from your dealer or the MTD customer support department. • 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 dash panel. -
Page 5: Section 4: Contents Of Hardware Pack
SECTION 4: CONTENTS OF HARDWARE PACK Lay out the hardware according to the illustration for identification purposes. Part numbers are shown in parentheses. (Hardware pack may contain extra items which are not used on your unit.) ATTACHING THE HANDLES (2)Hex Bolts (A) (710-3180) (2) Hex Bolts (B) 710-3008... -
Page 6: Section 5: Assembly Instructions
SECTION 5: ASSEMBLY INSTRUCTIONS IMPORTANT: After assembly, service engine with gasoline, and check oil level as instructed in the separate engine manual packed with your unit. NOTE: References to right or left side of the snow thrower are determined from behind the unit in the operating position. - Page 7 ASSEMBLING THE HANDLES AND HANDLE PANEL (Hardware B) 1. Raise both clutch grips. 2. Lower left and right handles down through handle panel between the pivot rod and the clutch grips and attach using hardware B. See Figure 2. Clutch Grip Nuts(D) Lock Washers (C) Figure 2...
- Page 8 ATTACHING THE CLUTCH CABLES (Hardware D) 1. Thread hex nuts (J) onto the “Z” fittings (R) (see inset,). Insert “Z” fitting into hole in clutch grips. See Figure 6. “Z” Fitting Figure 6 2. Route the left cable between engine and speed selector plate and then between handle panel and clutch lever pivot rod before threading onto the left “Z”...
- Page 9 3. Thread one hex nut (D) onto the eyebolt on the chute crank assembly until there is at least two inches of threads showing between the nut and the head of the eyebolt. See Figure 10. Side Left Cupped Handle Washer (N) Hex Nut 2”...
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Page 10: Section 6: Controls
ADJUSTING THE SKID SHOES The space between the shave plate and the ground can be adjusted. For close snow removal on a smooth surface, raise the skid shoes into a high position on the auger housing. Use a middle or lower position when the area to be cleared is uneven. -
Page 11: Section 7: Operation
THROTTLE CONTROL (See Figure 15) The throttle control is located on the engine. It regulates the speed of the engine. SAFETY IGNITION KEY (See Figure 15) 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. -
Page 12: To Stop Engine
Electric Starter WARNING: 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. -
Page 13: Section 8: Adjustments
TO ENGAGE DRIVE 1. 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. Use the slower speeds until you are familiar with the operation of the snow thrower. -
Page 14: Section 9: Lubrication
NOTE: If you placed plastic under the gas cap, be certain to remove it. AUGER CLUTCH ADJUSTMENT To adjust the auger clutch, refer to Final Assembly and Adjustments section on page 9. CARBURETOR ADJUSTMENT WARNING: made to the engine while the engine is running (e.g. -
Page 15: Section 10: Maintenance
DRIVE AND SHIFTING MECHANISM Remove rear cover. Oil any chains, sprockets, gears, bearings, shafts, 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. GEAR CASE The worm gear case has been filled with grease at the factory. -
Page 16: Drive Belt
Rear Auger Belt Idler Pulley Engine Pulley Idler Pulley Figure 23 7. Unhook the support bracket spring from the frame. NOTE: It may be necessary to loosen the six nuts that connect the frame to the auger housing to aid in belt removal. -
Page 17: Section 11: Off-Season Storage
7. Slide the gear shaft to the right, then slide the friction wheel assembly from the shaft. 8. Remove the six screws from the friction wheel assembly (three from each side). Remove the friction wheel rubber from between the friction wheel plate. -
Page 18: Section 12: Trouble Shooting Guide
SECTION 12: TROUBLE SHOOTING GUIDE Trouble Possible Cause(s) 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). -
Page 19: Section 13: Illustrated Parts Gear Assembly
SECTION 13: ILLUSTRATED PARTS GEAR ASSEMBLY Ref. No. Part No. 618-0123 Housing—L.H. 618-0124 Housing—R.H. 710-0642 Screw 711-1020 Spiral Axle 22" 711-0908 Spiral Axle 24" 714-0161 Key 715-0143 Pin-Spiral 717-0526 Shaft-Worm 717-0528 Gear-Worm 718-0186 Collar-Thrust 10 721-0325 Plug Ref. Description No. Part No. 11 721-0327 Seal-Oil 12 721-0328 Locktite 5699 13 736-0351 Washer-Flat... -
Page 20: Handle Assembly
HANDLE ASSEMBLY... - Page 21 HANDLE ASSEMBLY Ref. No. Part No. Description 784-5717 Control Panel Ass’y (615) 784-5718 Control Panel Ass’y (E645, E665) 710-0788 Hex Bolt 1/4-20 x 1.00 705-5233 Clutch Lever LH 705-5234 Clutch Lever RH 746-0897 Auger Clutch Cable 746-0898 Drive Clutch Cable...
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Page 22: Blower Housing
BLOWER HOUSING... - Page 23 Ref. No. Part No. Description 784-5618 Housing, Bearing 05931 Housing, Bearing 618-0152 Gear Assembly (22") 618-0120 Gear Assembly (24") 684-0052 22" Housing Assembly 684-0039A 24" Housing Assembly 684-0065 Impeller Assembly 605-5252 Spiral, 22" R.H. 605-5188 Spiral, 24" R.H. 605-5253 Spiral, 22" L.H. 605-5189 Spiral, 24"...
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Page 24: Frame Assembly
FRAME ASSEMBLY... -
Page 25: Wheel Assemblies
FRAME ASSEMBLY Ref. No. Part No. Description 618-0063 Bearing Ass’y. 656-0012A Ass’y., Friction Wheel Disc 684-0013 Rod Shift, Wheel Drive 684-0021 Brkt. Ass’y. Friction Wheel 684-0030 Frame Ass’y., 600 S/T 684-0042A Wheel Friction 710-0654A Hex Self-Tap Screw 710-0599 Scr., Hex Wash. Hd., TT1/4-20 x .5" 10 710-0896 Hex Self-Tap Scr. - Page 26 ENGINE AND “V” BELTS Ref. No. Part No. 05896A 629-0071 Cord, Extension 710-0117 Screw 710-0157 Screw 710-0230 Screw 710-0342 Screw 710-0696 Screw 710-0888 Screw 710-0896 Screw 10 712-0181 Nut, Hex 11 731-1324 Belt Cover 12 732-0710 Spring 13 736-0119 Washer—Flat 14 736-0242 Washer—Bell 15 736-0247 Washer—Flat 16 736-0329 Washer—Lock...
- Page 27 ENGINE AND “V” BELTS Ref. Part No. Description 05896A Bracket-Idler 629-0071 Cord-Extension 110V† 710-0117 Screw-Hex 710-0157 Screw-Hex 710-0230 Screw-Hex 710-0342 Screw-Hex 710-0696 Screw-Hex 710-0888 Screw-Hex 710-0896 Screw-Hex 712-0181 Nut-Hex 731-1324 Cover-Belt 732-0339 Spring 736-0119 Washer-Lock 736-0242 Washer-Bell 736-0247 Washer-Flat † Models 645 and 665 only Ref.
- Page 28 For TWO YEARS from the date of retail purchase within the United States of America, its possessions and territories, MTD PRODUCTS INC will, at its option, repair or replace, for the original purchaser, free of charge, any part or parts found to be defective in material or workmanship.