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OPERATOR’S MANUAL
MODELS
615
E645E
E665E
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 operator.
In the
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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 chemical
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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 housing
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SECTION 2: FINDING YOUR MODEL NUMBER This Operators 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 Operators Manual. The information on the model plate is very important if you need help from your dealer or the MTD customer support depa
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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.) (4)Lock Washers (C) ATTACHING THE HANDLES ATTACHING THE HANDLE PANEL A (736-0119) B (2)Hex Bolts (A) (710-3180) (2) Hex Bolts (B) (2) Saddle (I) (4) Carriage Bolts (E) 710-3008 (784-5599) (710-0262) (4) Lock Washers (C) (736-0119) (4) Hex Nuts (D) (712-3010) ATTACHI
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SECTION 5: ASSEMBLY INSTRUCTIONS IMPORTANT: After assembly, service engine TOOLS REQUIRED FOR ASSEMBLY with gasoline, and check oil level as instructed in • (1) 3/8" or adjustable wrench the separate engine manual packed with your unit. • (2) 7/16" or adjustable wrench NOTE: References to right or left side of the snow • (2) 1/2" or adjustable wrench thrower are determined from behind the unit in the operating position. LOOSE PARTS IN CARTON (See Figure 1) A (2) Handles (Right a
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ASSEMBLING THE HANDLES AND HANDLE PANEL (Hardware B) Lock Washer (C) 1. Raise both clutch grips. 2. Lower left and right handles down through Saddle (I) handle panel between the pivot rod and the clutch grips and attach using hardware B. See Hex Bolt (B) Figure 2. Hex Bolt (A) Clutch Grip Left Handle Lock Washer (C) Figure 4 ATTACHING SPEED SELECTOR PLATE Pivot Rod AND SHIFT LEVER (Hardware C) Hex 1. Assemble the speed selector plate to the outside Nuts(D) of the handles as sh
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Note: Lock nuts cannot be threaded onto a bolt by ATTACHING THE CLUTCH CABLES hand. Tighten with 2 7/16” wrenches. This type of (Hardware D) nut is used where vibration occurs. 1. Thread hex nuts (J) onto the “Z” fittings (R) (see Chute inset,). Insert “Z” fitting into hole in clutch grips. Assembly See Figure 6. Hex Bolt “Z” Fitting (R) Hex Lock Nut Hex Nut (J) Chute Flange Keeper Figure 7 ATTACHING THE CHUTE CRANK Figure 6 (Hardware F) 2. Route the left cable betwe
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Release the clutch grip. The cable should be straight. 3. Thread one hex nut (D) onto the eyebolt on the Make certain you can depress the auger drive clutch chute crank assembly until there is at least two grip against the left handle completely. inches of threads showing between the nut and If necessary, loosen the hex lock nut and thread the the head of the eyebolt. See Figure 10. cable in (for less slack) or out (for more slack) as Cup Crown necessary. Refer to Figure 12. Reche
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ADJUSTING THE SKID SHOES SECTION 6: CONTROLS The space between the shave plate and the ground can be adjusted. For close snow removal on a smooth surface, raise Auger Drive Clutch Traction Drive Clutch 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. See Figure 13. Chute Crank Shift Lever Figure 14 Low Position SHIFT LEVER Skid High Position (See Figure 14) Shoe Hex Nuts The shift lever is lo
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THROTTLE CONTROL (See Figure 15) The throttle control is located on the engine. It regulates the speed of the engine. Primer Choke 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. FUEL CUTOFF VALVE The fuel cutoff valve, located under the fuel tank, controls fuel flow from tank. Rope Closed Start Ignition Throttle Handle Key Control Open Figure 15 SECTION 7: O
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Electric Starter Recoil Starter: 1. Rotate choke knob to FULL choke position (cold WARNING: The optional electric engine start). starter is equipped with a three-wire 2. If engine is warm, place choke in OFF position power cord and plug, and is designed to instead of FULL. operate on 120 volt AC household 3. Push primer button two or three times for cold current. It must be properly grounded at engine start. See Figure 17. all times to avoid the possibility of electric shock which may be injurio
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TO ENGAGE DRIVE OPERATING TIPS 1. With the engine running near top speed, move NOTE: Allow the engine to warm up for a few shift lever into one of the five FORWARD minutes as the engine will not develop full power positions or two REVERSE positions. Select a until it reaches operating temperature. speed appropriate for the snow conditions that exist. Use the slower speeds until you are WARNING: Temperature of muffler familiar with the operation of the snow thrower. and surrounding areas may exce
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NOTE: If you placed plastic under the gas cap, be ENGINE certain to remove it. Refer to engine manual for engine lubrication instructions. AUGER CLUTCH ADJUSTMENT WARNING: When following instruct- To adjust the auger clutch, refer to Final Assembly ions in separate engine manual for and Adjustments section on page 9. draining oil, be sure to protect frame to avoid oil dripping onto transmission CARBURETOR ADJUSTMENT parts. WARNING: If any adjustments are WHEELS made to the engine while the engin
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• To remove shave plate, remove the carriage DRIVE AND SHIFTING MECHANISM bolts, cupped washers and hex nuts which Remove rear cover. Oil any chains, sprockets, attach it to the snow thrower housing. gears, bearings, shafts, and shifting mechanism at Reassemble new shave plate, making sure least once a season. Use engine oil or a spray heads of the carriage bolts are to the inside of lubricant. Avoid getting oil on rubber friction wheel the housing. Tighten securely. and aluminum drive plate. BE
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DRIVE BELT 1. Follow steps 1 through 4 of previous Drive Rear Auger Belt instructions. Belt 2. Pull idler pulley up, and lift belt off engine pulley Engine and friction wheel disc. See Figure 23. Pulley 3. Using a 7/16" wrench, loosen the nut on the Front stop bolt until the support bracket rests on the Auger auger pulley. See Figure 25. Belt Idler 4. Slip belt between friction wheel and friction Pulley wheel disc. See Figure 25. Remove and replace belt. Reassemble following the instructions
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7. Slide the gear shaft to the right, then slide the friction wheel assembly from the shaft. SECTION 11: OFF-SEASON STORAGE 8. Remove the six screws from the friction wheel WARNING: Never store engine with assembly (three from each side). Remove the fuel in tank indoors or in poorly friction wheel rubber from between the friction ventilated areas, where fuel fumes may wheel plate. reach an open flame, spark or pilot light 9. Reassemble new friction wheel rubber to the as on a furnace, water hea
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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 GEAR ASSEMBLY Ref. Ref. No. Part No. Description No. Part No. Description 1 618-0123 Housing—L.H. 11 721-0327 Seal-Oil 2 618-0124 Housing—R.H. 12 721-0328 Locktite 5699 3 710-0642 Screw 13 736-0351 Washer-Flat 4 711-1020 Spiral Axle 22" 14 736-0369 Washer-Flat 711-0908 Spiral Axle 24" 15 736-0445 Washer-Flat 5 714-0161 Key 16 737-0168 Grease 6 715-0143 Pin-Spiral 17 741-0376 Bearing-Flange 7 717-0526 Shaft-Worm 18 748-0108 Bearing-Flange 8 717-0528 Gear-Worm 618-01
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HANDLE ASSEMBLY 57 20
