OPERATOR’S MANUAL Model Numbers E642E, E662H, 614E, E644E, E664F 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). If a spark arrester is used, it should be maintained in effective working order by the operator.
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.
• Never operate the machine at high transport speeds on slippery surfaces. Look behind and use care when backing. • If the snow thrower should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble. • Never direct discharge at bystanders or allow anyone in front of unit.
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 department.
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.
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. Attaching the Handle Assembly. (Hardware A and E) Lay loose parts out on flat surface. NOTE: All references to right or left side of the 1. Handle Panel snow thrower are determined from behind the unit in the operating position. 2. Right Handle 5. Traction Drive Control Grip 3. Left Handle 6. Right Grip Bracket UNPACKING 4.
5. Secure with hex bolt, spacer and lock nut. See Figure 6. (Do not overtighten this bolt as it will prevent the grips from automatically returning to their upright position.) 6. Repeat process for the right side Traction Drive Control Grip. 3. Insert curved end of the Z fitting into the top hole in the triangular metal tab on the auger control grip. See Figure 5. Triangle Metal Tab 7. Lay handle assembly behind snow thrower. See Figure 7.
Traction Drive Clutch Shift Lever Ferrule Flat Washer Hairpin Clip Shift Rod Flat Washer Hairpin Clip Shift Arm Assembly Figure 9 Figure 11 Flat Washer Lock Washers Shift Lever Hairpin Clip Cable Roller Hex Bolt Guide Handle 3/4” Long Tab Hex Bolt 1-3/4” Long Ferrule Shift Rod Flat Washer Figure 10 Hairpin Clip ATTACHING SHIFT ROD (Hardware D) 1. Place the shift lever in the fifth (5) or the fastest forward speed position. Shift Arm Assembly Figure 12 3.
ATTACHING CLUTCH CABLES 1. Thread the hex jam nuts all the way up the threaded portion of the “Z” ends. Chute Assembly 2. Make certain all cables are in the grooves of the cable roller guides. The roller guides are located in the lower rear of the unit. Lift the clutch grip in the raised (up) position. Hex Bolt 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.
4. Place one flat washer on the end of the chute crank, then insert the end of the crank into the hole in the plastic bushing in the chute crank bracket. See Figure 17. Flat Washer Chute Crank FINAL ADJUSTMENTS Auger Drive Clutch 1. To check the adjustment of the auger drive clutch, push forward on the left hand clutch grip 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 be straight.
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. 2. Adjust skid shoes by loosening the four hex nuts and carriage bolts and moving skid shoes to desired position. Make certain the entire bottom surface of skid shoe is against the ground to avoid uneven wear on the skid shoes.
Auger Drive Clutch Auger Drive Clutch Traction Drive Clutch Shift Lever Chute Crank Traction Drive Clutch Shift Lever Chute Crank Figure 22 Figure 23 SECTION 7: OPERATION BEFORE STARTING WARNING: Observe all Warning Labels on the snow thrower prior to use. See Figure 1. Metal Loop on Spark Plug Wire Rubber Boot Your snow thrower is shipped with oil; however, you must check the oil level before operating. Be careful not to overfill. Figure 24 3.
4. Push primer button two or three times. Refer to Figure 21 on page 11. If engine is warm, push primer button once only. Follow all instructions carefully. Determine that your house wiring is a three wire grounded system. Ask a licensed electrician if you are not certain. If your house wiring system is not a three-wire grounded system, do not use this electric starter under any conditions.
TO ENGAGE DRIVE/AUGER WARNING: Temperature of muffler and surrounding areas may exceed 150oF. Avoid these areas. 1. With the engine running near top speed, move shift lever into one of the FORWARD or 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. • For most efficient snow removal, remove snow immediately after it falls. 2. Squeeze the left hand auger drive clutch to engage auger.
Model 614, 644, 664: 5. If adjustment is necessary, loosen the jam nut on the traction drive cable, and thread cable in or out as necessary. 3. Push down on the shift arm assembly as far as it will go. Thread the ferrule up or down the shift rod and align it with the hole closest to the shift knob on the narrow side of the shift lever assembly behind the handle panel. 6. Tighten the jam nut to secure the cable when correct adjustment is reached. Reassemble the frame cover with six self-tapping screws.
SECTION 9: LUBRICATION WARNING: Disconnect GEAR CASE the spark plug wire and ground against the engine before performing any lubrication or maintenance. Refer to engine manual for all engine lubrication instructions. The gear case is lubricated with grease at the factory and does not require checking. If disassembled for any reason, lubricate with 2 ounces of Shell Alvania grease EPR00, part number 737-0168. Before reassembling, remove old sealant and apply “Loctite 5699” or equivalent.
AUGER BELTS NOTE: It is necessary to remove both belts in 5. Roll the front and rear auger belts off the engine pulley. See Figure 30. order to change either one. If changing just one belt, be certain to check the condition of the other belt. 1. Remove the plastic belt cover on the front of the engine by removing the two self-tapping screws. See Figure 29. 6. Unhook the idler spring from the hex bolt on the auger housing. See Figure 31. 2.
Friction Wheel Disc 6. Lightly tap the hex nut to dislodge the ball bearing from the right side of frame. Remove the hex nut and bell washer from left end of shaft. Friction Wheel 7. Slide the gear shaft to the right and slide the friction wheel assembly from the shaft. Drive Belt 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. Support Bracket 9.
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. Clean fuel line. Blocked fuel line. Move switch to ON position Choke not in ON position Clean, adjust gap or replace. Faulty spark plug. Key not in switch on engine. Insert key. Connect spark plug wire. Spark plug wire disconnected. Primer button not depressed.
SECTION 13: ILLUSTRATED PARTS HOUSING ASSEMBLY 20
HOUSING ASSEMBLY REF. PART NO. NO. 1 784-5618 2 05931 3 618-0120 618-0121 618-0160 4 684-0039A 684-0040A 684-0055 5 684-0065 6 605-5188 605-5192 605-5248 7 605-5189 605-5193 605-5249 8 705-5226 9 710-0134 10 710-0451 11 710-0134 13 710-0451 16 710-0890A 18 712-0116 20 712-0429 21 712-3010 DESCRIPTION Housing, Bearing Housing, Bearing Gear Assembly (24") Gear Assembly (26") Gear Assembly (30") 24" Housing Assembly 26" Housing Assembly 30" Housing Assembly Impeller Assembly Spiral, 24" R.H. Spiral, 26" R.H.
HANDLE ASSEMBLY 22
HANDLE ASSEMBLY REF. NO. 1A 1B 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 27 28 PART NO. 684-0105 684-0106 629-0058 705-5233 705-5234 705-5275 705-5274 710-0779A 710-0896 712-0415 720-0232 725-1300 731-1317 735-0199A 747-0921 784-5619A 746-0778 710-0116 710-0262 710-3008 710-3180 711-0677 712-0116 712-0121 712-0429 712-3010 714-0104 732-0193 736-0105 DESCRIPTION Control Panel Ass’y - Top Shift † Control Panel Ass’y.
FRAME ASSEMBLY 24
FRAME ASSEMBLY REF. NO. 1 2 3 4 PART NO. 618-0063 656-0012A 684-0013B 684-0021 DESCRIPTION Bearing Ass’y. Ass’y., Friction Wheel Disc Rod Shift, Wheel Drive Brkt. Ass’y. Friction Wheel 5 6 7 8 9 10 11 13 14 15 16 17 19 20 21 22 23 24 684-0030 684-0042B 710-0654A 710-0538 710-0599 710-0896 710-0788 712-0711 714-0126 714-0143 714-0474 715-0249 717-1445 717-1444 732-0264 736-0105 736-0160 736-0188 Frame Ass’y., 600 S/T Wheel Friction Hex Self-Tap Screw Hex Hd. Cap Screw Scr., Hex Wash. Hd.
E614E ENGINE AND “V” BELT REF. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PART NO. 05896A 629-0071 710-0627 710-1245 710-0230 710-0342 710-0696 710-0627 710-0896 712-0181 731-1324 732-0339 736-0119 736-0242 736-0247 DESCRIPTION Bracket-Idler Cord-Extension 110V † Screw-Hex Screw-Hex Screw-Hex Screw-Hex Screw-Hex Screw-Hex Screw-Hex Nut-Hex Cover-Belt Spring Washer-Lock Washer-Bell Washer-Flat QTY. 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 REF. NO. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 PART NO.
Models E642E,E644E,E662H, E664F ENGINE AND “V” BELT REF. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PART NO. 05896A 629-0071 710-0627 710-1245 710-0230 710-0342 710-0696 710-0627 710-0896 712-0181 731-1324 732-0710 736-0119 736-0242 736-0247 DESCRIPTION Bracket Cord, Extension Screw Screw Screw Screw Screw Screw Screw Nut, Hex Belt Cover Spring Washer—Flat Washer—Bell Washer—Flat QTY. 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 REF. NO. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 27 PART NO.
MANUFACTURER’S LIMITED WARRANTY FOR: 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.