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OPERATOR’S MANUAL
Model Numbers
E642E, E662H,
614E, E644E,
E664F
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
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 oper
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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. WHEN YOU SEE THIS SYMBOL-HEED ITS WARNING. : WARNING The Engine Exhaust from this product contains chemica
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• If the snow thrower should start to vibrate • Never operate the machine at high transport abnormally, stop the engine and check speeds on slippery surfaces. Look behind and use immediately for the cause. Vibration is generally a care when backing. warning of trouble. • Never direct discharge at bystanders or allow • Stop engine whenever you leave the operating anyone in front of unit. position, before unclogging the collector/impeller • Disengage power to collector/impeller when housi
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SECTION 2: 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 or the MTD customer support de
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SECTION 4: CONTENTS OF HARDWARE PACK Lay out the hardware according to the illustration for identification purposes. Parts are illustrated approximately one-half size. Part numbers are shown in parentheses. (Hardware pack may contain extra items which are not used on your unit.) ATTACHING THE HANDLE ASSEMBLY ATTACHING THE CHUTE ASSEMBLY A B Hex Bolts Hex Bolts 1/4-20 x 3/4" Long 5/16-18 x 1-3/4" Long (710-3015) (710-3180) Hex Bolts Hex Lock Nuts 5/16-18 x 3/4" Long 1/4-20 Threa
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SECTION 5: ASSEMBLY INSTRUCTIONS IMPORTANT: After assembly, service engine Attaching the Handle Assembly. with gasoline, and check oil level as instructed in the (Hardware A and E) separate engine manual packed with your unit. Lay loose parts out on flat surface. Control NOTE: All references to right or left side of the 1. Handle Panel 5. Traction Drive Grip snow thrower are determined from behind the unit 2. Right Handle in the operating position. 6. Right Gri
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3. Insert curved end of the Z fitting into the top 5. Secure with hex bolt, spacer and lock nut. See hole in the triangular metal tab on the auger Figure 6. (Do not overtighten this bolt as it will control grip. See Figure 5. prevent the grips from automatically returning to their upright position.) 6. Repeat process for the right side Traction Drive Control Grip. Triangle Metal Tab 7. Lay handle assembly behind snow thrower. See Figure 7. Auger Control Grip Hex Bolt (5/16-18 x
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Traction Shift Drive Lever Clutch Ferrule Flat Washer Hairpin Shift Clip Rod Flat Washer Hairpin Shift Clip Arm Assembly Figure 9 Figure 11 Flat Washer Lock Washers Shift Hairpin Lever Clip Cable Roller Hex Bolt Handle Guide Ferrule 3/4” Long Tab Shift Hex Rod Bolt 1-3/4” Long Flat Washer Figure 10 Hairpin Shift Clip Arm ATTACHING SHIFT ROD Assembly (Hardware D) 1. Place the shift lever in the fifth (5) or the fastest Figure 12 forward speed position. 3. Models 642, 662
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ATTACHING CLUTCH CABLES 1. Thread the hex jam nuts all the way up the Chute Assembly threaded portion of the “Z” ends. 2. Make certain all cables are in the grooves of the Hex Bolt cable roller guides. The roller guides are located in the lower rear of the unit. Lift the clutch grip in the raised (up) position. 3. Thread the cable onto the threaded portion of the “Z” end until there is no slack in the cable, but the cable is NOT tight. Do not overtighten cable. See Figure 13. Hex
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4. Place one flat washer on the end of the chute FINAL ADJUSTMENTS crank, then insert the end of the crank into the hole in the plastic bushing in the chute crank Auger Drive Clutch bracket. See Figure 17. 1. To check the adjustment of the auger drive clutch, push forward on the left hand clutch grip Flat Washer Chute Crank depressing the rubber bumper under the clutch grip (See part #13 on page 22). There should be slack in the cable. 2. Release the clutch grip. The cable should
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Adjusting The Skid Shoes The space between the shave plate and the ground can be adjusted by adjusting the skid shoes. 1. Place skid shoes in the low position to remove snow close to the ground. Place skid shoes in a higher position to remove snow from uneven ground. See Figure 19. Low Position 2. Adjust skid shoes by loosening the four hex High Position nuts and carriage bolts and moving skid shoes Hex Nuts Skid to desired position. Make certain the entire Carriage
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Auger Auger Traction Drive Drive Drive Traction Clutch Clutch Clutch Drive Clutch Shift Shift Chute Lever Lever Chute Crank Crank Figure 22 Figure 23 SECTION 7: OPERATION BEFORE STARTING WARNING: Observe all Warning Metal Loop Labels on the snow thrower prior to on Spark use. See Figure 1. Plug Wire Rubber Boot Your snow thrower is shipped with oil; however, you must check the oil level before operating. Figure 24 Be careful not to overfill. 3. Make certain the auger and drive clutch lev
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Follow all instructions carefully. Determine that your 4. Push primer button two or three times. Refer to house wiring is a three wire grounded system. Ask a Figure 21 on page 11. If engine is warm, push licensed electrician if you are not certain. If your primer button once only. house wiring system is not a three-wire grounded NOTE: Always cover vent hole in primer button system, do not use this electric starter under any when pushing. Additional priming may be necessary conditions. If your sy
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TO ENGAGE DRIVE/AUGER WARNING: Temperature of muffler and 1. With the engine running near top speed, move o surrounding areas may exceed 150 F. shift lever into one of the FORWARD or Avoid these areas. REVERSE positions. Select a speed appropriate for the snow conditions that exist. Use the slower speeds until you are familiar • For most efficient snow removal, remove with the operation of the snow thrower. snow immediately after it falls. 2. Squeeze the left hand auger drive clutch to •Discharg
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Model 614, 644, 664: 5. If adjustment is necessary, loosen the jam nut on the traction drive cable, and thread cable in 3. Push down on the shift arm assembly as far as or out as necessary. it will go. Thread the ferrule up or down the shift rod and align it with the hole closest to the shift 6. Tighten the jam nut to secure the cable when knob on the narrow side of the shift lever correct adjustment is reached. Reassemble the assembly behind the handle panel. frame cover with six self-tapping
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SECTION 9: LUBRICATION WARNING: Disconnect the spark GEAR CASE plug wire and ground against the The gear case is lubricated with grease at the engine before performing any factory and does not require checking. If lubrication or maintenance. disassembled for any reason, lubricate with 2 ounces of Shell Alvania grease EPR00, part number ENGINE 737-0168. Before reassembling, remove old sealant Refer to engine manual for all engine lubrication and apply “Loctite 5699” or equivalent. instructions.
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5. Roll the front and rear auger belts off the engine AUGER BELTS pulley. See Figure 30. NOTE: It is necessary to remove both belts in 6. Unhook the idler spring from the hex bolt on the order to change either one. If changing just one belt, auger housing. See Figure 31. be certain to check the condition of the other belt. 7. Back out the stop bolt to allow the belts to slip 1. Remove the plastic belt cover on the front of the between the bolt and auger pulley. engine by removing the two self-t
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6. Lightly tap the hex nut to dislodge the ball Friction bearing from the right side of frame. Remove Wheel the hex nut and bell washer from left end of Friction Wheel Disc shaft. 7. Slide the gear shaft to the right and slide the Drive Belt friction wheel assembly from the shaft. 8. Remove the six screws from the friction wheel assembly (three from each side). Remove the Support Bracket friction wheel rubber from between the friction wheel plate. 9. Reassemble new friction wheel rubber to the
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SECTION 12: 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. Choke not in ON position Move switch to ON position Faulty spark plug. Clean, adjust gap or replace. Key not in switch on engine. Insert key. Spark plug wire Connect spark plug wire. disconnected. Primer button not depres
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SECTION 13: ILLUSTRATED PARTS HOUSING ASSEMBLY 20
