OPERATOR’S MANUAL MODELS 615 E645E E665E 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. 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. 770-0830A 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 SYMBOLHEED ITS WARNING. WARNING: The Engine Exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. DANGER: Your snow thrower was built to be operated according to the rules for safe operation in this manual. As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury. If you violate any of these rules, you may cause serious injury to yourself or others. 1. TRAINING • Before working with gasoline, extinguish all cigarettes and other sources of ignition. Check the fuel before starting the engine. Gasoline is an extremely flammable fuel. Do not fill the gasoline tank indoors, while the engine is running, or until engine has been allowed to cool at least two minutes. Replace gasoline cap securely and wipe off any spilled gasoline before starting the engine as it may cause a fire or explosion. • Read this operator's manual carefully in its entirety before attempting to assemble or operate this machine. Be completely familiar with the controls and the proper use of this machine before operating it. Keep this manual in a safe place for future and regular reference and for ordering replacement parts. • Never allow children under 14 years old to operate a snow thrower. Children 14 years old and over should only operate snow thrower under close parental supervision. Only persons well acquainted with these rules of safe operation should be allowed to use your snow thrower. • Use a grounded three wire plug-in for all units with electric drive motors or electric starting motors. • Adjust collector housing height to clear gravel or crushed rock surface. • No one should operate this unit while intoxicated or while taking medication that impairs the senses or reactions. • Never attempt to make any adjustments while engine is running (except where specifically recommended by manufacturer). • Keep the area of operation clear of all persons, especially small children and pets. • Let engine and machine adjust to outdoor temperature before starting to clear snow. • Exercise caution to avoid slipping or falling, especially when operating in reverse. • Always wear safety glasses or eye shields during operation or while performing an adjustment or repair, to protect eyes from foreign objects that may be thrown from the machine in any direction. 2. PREPARATION • Thoroughly inspect the area where the equipment is to be used and remove all door mats, sleds, boards, wires and other foreign objects. 3. OPERATION • Do not put hands or feet near or under rotating parts. Keep clear of discharge opening and auger at all times. • Disengage all clutches and shift into neutral before starting engine. • Exercise extreme caution when operating on or crossing gravel drives, walks, or roads. Stay alert for hidden hazards or traffic. Do not carry passengers. • Do not operate equipment without wearing adequate winter outer garments. Do not wear jewelry, long scarfs or other loose clothing which could become entangled in moving parts. Wear footwear which will improve footing on slippery surfaces. • After striking a foreign object, stop the engine, remove wire from spark plug, and thoroughly inspect the snow thrower for any damage. Repair the damage before restarting and operating the snow thrower. 2 • 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. • Stop engine whenever you leave the operating position, before unclogging the collector/impeller housing or discharge guide, and making any repairs, adjustments, or inspections. Never place your hand in the discharge or collector openings. Use a stick or wooden broom handle to unclog the discharge opening. • Disengage power to collector/impeller transporting or not in use. when • Use only attachments and accessories approved by the manufacturer of snow thrower (such as wheel weights, counter weights, cabs, etc.). • Never operate the snow thrower without good visibility or light. Always be sure of your footing and keep a firm hold on the handles. Walk, never run. • Take all possible precautions when leaving the unit unattended. Disengage the collector/impeller, shift into neutral, stop the engine, and remove the key. • When cleaning, repairing, or inspecting, make certain collector/impeller and all moving parts have stopped. Disconnect spark plug wire and keep away from plug to prevent accidental starting. • Muffler and engine become hot and can cause a burn. Do not touch. 4. MAINTENANCE AND STORAGE • Do not run engine indoors, except when starting engine and transporting snow thrower in or out of building. Open doors. Exhaust fumes are dangerous. • Check shear bolts, engine mounting bolts, etc., at frequent intervals for proper tightness to be sure equipment is in safe working condition. • Never store the machine with fuel in the fuel tank inside a building where ignition sources are present, such as hot water and space heaters, clothes dryers, and the like. Allow engine to cool before storing in any enclosure. • Do not clear snow across the face of slopes. Exercise extreme caution when changing direction on slopes. Do not attempt to clear steep slopes. • Never operate snow thrower without guards, plates, or other safety protection devices in place. • Always refer to operator's manual instructions for important details if snow thrower is to be stored for an extended period. • Never operate snow thrower near glass enclosure, automobiles, window wells, drop off, etc., without proper adjustments of snow thrower discharge angle. Keep children and pets away. • Run machine a few minutes after throwing snow to prevent freeze up of collector/impeller. • Do not overload machine capacity by attempting to clear snow at too fast a rate. • Check clutch controls periodically to verify they engage and disengage properly and readjust if necessary. Refer to operator's manual for adjustment instructions. WARNING - YOUR RESPONSIBILITY: Restrict the use of this power machine to persons who read, understand and follow the warnings and instructions in this manual and on the machine. DANGER WARNING 1. STOP ENGINE BEFORE REMOVING DEBRIS AND SERVICING UNIT 2. KEEP CLEAR OF IMPELLER WHILE ENGINE IS RUNNING 3. NEVER DIRECT DISCHARGE AT BYSTANDERS OR WINDOWS OR ALLOW ANYONE IN FRONT OF UNIT AVOID INJURY FROM ROTATING AUGER KEEP HANDS, FEET AND CLOTHING AWAY. 4. THOROUGHLY INSPECT THE AREA WHERE THE EQUIPMENT IS TO BE USED AND REMOVE ALL DOOR MATS, SLEDS, BOARDS, WIRES AND OTHER FOREIGN OBJECTS 5. REFER TO OWNERS MANUAL FOR FULL INSTRUCTIONS 3396MW Safety Labels Found on Snow Thrower 3 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 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. • The model plate will look like this. This is where your model number will be. XXX-X-XXX-X-XXX XXXXXXXXXXX This is where your serial number will be. Copy the model number here: MTD PRODUCTS INC CLEVELAND, OHIO 44136 Copy the serial number here: SECTION 3: CALLING CUSTOMER SUPPORT If you are having difficulty assembling this product or if you have any question regarding the controls, operation or maintenance of this snow thrower, please call the Customer Support Department. You can reach them by calling: 1-800-800-7310 Before you call, make sure that you have both your model and serial number ready. By having the model and serial number ready, you help the Customer Support Representative give you faster service. To find your units model and serial number, see SECTION 2: FINDING YOUR MODEL NUMBER. 4 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.) A ATTACHING THE HANDLES (2)Hex Bolts (A) (710-3180) (2) Hex Bolts (B) 710-3008 (4)Lock Washers (C) (736-0119) B (2) Saddle (I) (784-5599) ATTACHING THE HANDLE PANEL (4) Carriage Bolts (E) (710-0262) (4) Lock Washers (C) (736-0119) (4) Hex Nuts (D) (712-3010) C ATTACHING THE SPEED SELECTOR PLATE AND SHIFT LEVER D (4) Self-Tapping Screws (F) (710-0599) (2) Hex Bolts (G) (712-3015) F ATTACHING THE CLUTCH CABLES (2) “Z” Fitting (R) (746-0778) (2) Hex Nuts (J) (712-0121) E ATTACHING THE CHUTE ASSEMBLY (2) Hex Lock Nuts (H) (712-3027) ATTACHING THE CHUTE CRANK ASSEMBLY (2) Hex Nuts (D) (712-3010) (6) Hex Lock Nuts (M) (712-3027) (6) Hex Bolts (K) (710-3015) Cupped Washer (N) (736-0242) G (2) Flat Washers (736-0185) Hair Pin Clip (714-0104) Hex lock nuts cannot be threaded onto a bolt by hand. A wrench is required for assembly. This type of nut is used where vibration occurs. 5 (3) Chute Flange Keepers (Not Shown) (731-0851) AUGER SHEAR BOLTS (SPARES) (2) Shear Bolts (710-0890A) (2) Hex Lock Nuts (712-0429) SECTION 5: ASSEMBLY INSTRUCTIONS IMPORTANT: After assembly, service engine TOOLS REQUIRED FOR ASSEMBLY with gasoline, and check oil level as instructed in the separate engine manual packed with your unit. • (1) 3/8" or adjustable wrench NOTE: References to right or left side of the snow • (2) 1/2" or adjustable wrench • (2) 7/16" or adjustable wrench thrower are determined from behind the unit in the operating position. LOOSE PARTS IN CARTON (See Figure 1) A B C D E F UNPACKING • Remove staples or break glue on the top flaps of the carton. Remove any loose parts included with unit (i.e., operator’s manual, etc.). • Cut along dotted lines and lay end of carton down flat. Remove packing material. (2) (1) (1) (1) (1) (1) (1) Handles (Right and Left) Handle Panel Assembly Speed Selector Plate Shift Lever Chute Crank Assembly Chute Assembly Hardware Pack • Roll unit out of carton. Check carton thoroughly for loose parts before discarding. A B D E C F Figure 1 6 ASSEMBLING THE HANDLES AND HANDLE PANEL (Hardware B) Lock Washer (C) 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. Saddle (I) Hex Bolt (B) Hex Bolt (A) Clutch Grip Left Handle Lock Washer (C) Figure 4 ATTACHING SPEED SELECTOR PLATE AND SHIFT LEVER (Hardware C) Pivot Rod Hex Nuts(D) 1. Assemble the speed selector plate to the outside of the handles as shown in Figure 5. The speed selector plate should not be assembled between the handles and the engine. Secure using four self-tapping screws (F). 2. Insert the shift lever through slot in the speed selector plate. Carriage Bolts (E) Lock Washers (C) NOTE: The bend in the lever should be towards Figure 2 3. Do not tighten at this time. 4. Lay handle panel assembly thrower. See Figure 3. behind the operator. Secure shift lever to the shift lever spring using two hex bolts (G) and hex lock nuts (H). Tighten both bolts finger tight. At this point the shift lever and shift lever spring are not against each other. As you tighten the bolts and nuts with two 7/ 16" wrenches they will pull together. See Figure 5. snow Speed Selector Plate Shift Lever Self-Tapping Screw (F) Hex Bolts (G) Shift Lever Spring Hex Lock Nuts (H) Figure 3 5. Insert hex bolts and lock washers through bottom holes in handles and bottom holes in snow thrower. Do not tighten. 6. Raise handles up until upper holes in handles and upper holes in snow thrower frame line up. 7. Attach with hex bolts lock washers and saddles. See Figure 4. Figure 5 3. Tighten all hardware assembled to this point. CLUTCH GRIPS MUST MOVE FREELY. 7 ATTACHING THE CLUTCH CABLES (Hardware D) Note: Lock nuts cannot be threaded onto a bolt by hand. Tighten with 2 7/16” wrenches. This type of nut is used where vibration occurs. 1. Thread hex nuts (J) onto the “Z” fittings (R) (see inset,). Insert “Z” fitting into hole in clutch grips. See Figure 6. Chute Assembly Hex Bolt “Z” Fitting (R) Hex Lock Nut Hex Nut (J) Chute Flange Keeper Figure 7 ATTACHING THE CHUTE CRANK (Hardware F) 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” fitting. Assemble the right cable using the same route. 3. Correct adjustment on cables is minimal slack but not tight. Tighten hex nuts when adjustment is correct. 1. Loosen the two hex nuts which secure the chute crank support bracket (see Figure 8) to the snow thrower housing. Carriage Bolts Hex Lock Nuts NOTE: If the right hand lockout cable is not adjusted correctly, the wheels will tend to turn. If the left hand lockout cable is not adjusted correctly, the augers will not stop rotating. Lower Chute Crank Bracket WARNING: There must not be any tension on either clutch cable with the drive or auger clutch grip in the disengaged (up) position. These clutches are a safety feature, and their function can be overridden if there is tension on either cable with the clutches disengaged. Figure 8 2. Place one flat washer over the end of the chute crank, then insert the end of the crank into the hole in the plastic bushing in the chute bracket. See Figure 9. Place second flat washer on chute crank, and secure with hairpin clip. Flat Washer ATTACHING THE CHUTE ASSEMBLY (Hardware E) 1. Place chute assembly over chute opening, with the opening in the chute assembly facing the front of the unit. Place chute flange keepers beneath lip of chute assembly, with the flat side of chute flange keeper facing downward. 2. Insert hex bolt (K) up through chute flange keeper and chute assembly as shown in Figure 7. Secure with hex lock nut (M). After assembling all three chute flange keepers, tighten all nuts and bolts securely. Do not overtighten. Hairpin Clip Chute Crank Bracket Figure 9 8 Chute Crank Release the clutch grip. The cable should be straight. Make certain you can depress the auger drive clutch grip against the left handle completely. If necessary, loosen the hex lock nut and thread the cable in (for less slack) or out (for more slack) as necessary. Refer to Figure 12. Recheck the adjustment. Tighten the lock nut against the cable when correct adjustment is reached. 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. Cup Side Left Handle Crown Side Cupped Washer (N) Hex Nut (D) “Z” Fitting Eyebolt Hex Nut (D) 2” of Threads Figure 10 4. Place the eyebolt into the hole located half way up the left handle. Secure with cupped washer (N) (cupped side against the handle, see inset, Figure 10) and hex nut (D). 5. Adjust the chute crank support bracket (see Figure 9) so that the spiral on the chute crank fully engages the teeth on the chute assembly. Tighten the nuts on the chute crank bracket securely. Tighten the hex nuts on the eyebolt. 6. Check to make sure all nuts and bolts on the control panel and all four bolts which secure the handles to the frame are tight. Cable Hex Bolt Figure 12 Traction Drive Clutch and Shift Lever Adjustment FINAL ASSEMBLY AND ADJUSTMENTS To check the adjustment of the traction drive clutch and shift lever, move the shift lever all the way over to fifth (5) position. With the traction drive lever released, push the snow thrower forward. The unit should move forward freely. Then engage the traction drive clutch grip. The wheels should stop turning. Now release the traction drive clutch grip, and push the unit again. Move the shift lever back to the fast reverse position, then all the way over again. There should be no resistance in the shift lever, and the and the wheels should keep turning If you have resistance when moving the shift lever or the wheels stop when they should not, loosen the jam nut on the traction drive cable and unthread the cable one turn. If the wheels do not stop when you engage the traction drive clutch grip, loosen the jam nut on the traction drive cable and thread the cable in one turn. Recheck the adjustment and repeat as necessary. Tighten the jam nut to secure the cable when correct adjustment is reached. Auger Drive Clutch NOTE: If you are uncertain that you have reached To check the adjustment of the auger drive clutch, push forward on the left hand clutch grip (depress the rubber bumper). There should be slack in the cable. the correct adjustment, refer to the Adjustment section. LAMP WIRING (Models E645 and E665 only) Wrap the wire from the lamp down the right handle until the wire can be plugged into the alternator lead wire under the fuel tank. Be sure the lamp wire does not interfere with the movement of any controls or cables. Lamp Wire Alternator Lead Right Handle Figure 11 9 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 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. Auger Drive Clutch Chute Crank Traction Drive Clutch Shift Lever Figure 14 Skid Shoe Hex Nuts Carriage Bolts SHIFT LEVER Low Position High Position (See Figure 14) The shift lever is located below the handle panel. The shift lever may be moved into one of seven positions. Run engine with throttle in the fast position. Use the shift lever to determine ground speed. Forward—one of five speeds. Position number one (1) is the slowest. Position number five (5) is the fastest. Reverse—two reverse speeds; R1 and R2. R2 is the faster reverse speed. Figure 13 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. Retighten nuts and bolts securely. TIRE PRESSURE AUGER DRIVE CLUTCH The tires are over inflated for shipping purposes. Check tire pressure and reduce to 15 to 20 psi. Refer to tire sidewalls for recommended tire pressure. (See Figure 14) The auger drive clutch is located on the left handle. Squeeze the clutch grip to engage the augers. Release to stop the snow throwing action. NOTE: If the tire pressure is not equal in both TRACTION DRIVE CLUTCH tires, the unit may pull to one side or the other. (See Figure 14) The traction drive clutch is located on the right handle. Squeeze the traction drive clutch to engage the wheel drive. Release to stop. CHUTE CRANK (See Figure 14) The chute crank is located on left hand side of the snow thrower. To change the direction in which snow is thrown, turn chute crank as follows: • Crank clockwise to discharge to the left. • Crank counterclockwise to discharge to the right. 10 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. Closed Ignition Key Open Rope Start Handle Throttle Control Figure 15 SECTION 7: OPERATION BEFORE STARTING WARNING: Observe all Warning Labels on the snow thrower prior to use. 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. The spark plug wire was disconnected for safety. Attach spark plug wire to spark plug before starting. Figure 16 7. Make certain the fuel cutoff valve is in the OPEN (vertical) position. 8. Make certain the auger and drive clutch levers are in the disengaged (released) position. 9. Move throttle control up to FAST position. Insert ignition key into slot. See Figure 17. Be certain it snaps into place. Do not turn key. GAS AND OIL FILL-UP Check oil level and add oil if necessary. Service the engine with gasoline as instructed in the separate engine manual packed with your snow thrower. Read instructions carefully. WARNING: Never fill fuel tank indoors. Never fill fuel tank with engine running or while engine is hot. Do not smoke when filling fuel tank. ENGINE WILL NOT START UNLESS IGNITION KEY IS INSERTED INTO IGNITION SLOT IN CARBURETOR COVER. DO NOT TURN IGNITION KEY. TO START ENGINE Attach spark plug wire to spark plug. Make certain the metal loop on the end of the spark plug wire (inside the boot) is fastened securely over the metal tip on the spark plug. See Figure 16. 11 Electric Starter Recoil Starter: 1. Rotate choke knob to FULL choke position (cold engine start). 2. If engine is warm, place choke in OFF position instead of FULL. 3. Push primer button two or three times for cold engine start. See Figure 17. 4. If engine is warm, push primer button once only. WARNING: The optional electric 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. 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. If your system is grounded and a three-hole receptacle is not available at the point your starter will normally be used, one should be installed by a licensed electrician. NOTE: Always cover vent hole in primer button when pushing. Additional priming may be necessary for first start if temperature is below 15 degrees Fahrenheit. 5. Grasp starter handle (see Figure 17) and pull rope out slowly, until it pulls slightly harder. Let rope rewind slowly. 6. 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. 7. Repeat step 6 until engine starts. 8. As engine warms up and begins to operate evenly, rotate choke knob slowly to OFF position. If engine falters, return to FULL choke, then slowly move to OFF position. When connecting the power cord, always connect cord to starter on engine first, then plug the other end into a three-hole grounded receptacle. When disconnecting the power cord, always unplug the end from the three-hole grounded receptacle first. Spark Plug Switch Box Choke Ignition Key TO STOP ENGINE 1. Run engine for a few minutes before stopping to help dry off any moisture on the engine. 2. To help prevent possible freeze up of starter, proceed as follows. Starter Button (Optional) • Optional Electric Starter: Connect power cord to switch box on engine, then to 120 volt AC receptacle. With the engine running, push starter button and spin the starter for several seconds. The unusual sound made by spinning the starter will not harm engine or starter. Disconnect the power cord from receptacle first, and then from switch box. Primer Rope Starter Handle • Recoil Starter: With engine running, pull starter rope with a rapid, continuous full arm stroke three or four times. Pulling the starter rope will produce a loud clattering sound, which is not harmful to the engine or starter. 3. To stop engine, move throttle control to “stop” or “off” position. 4. Remove the ignition key. Do not turn key. Disconnect the spark plug wire from the spark plug to prevent accidental starting while equipment is unattended. Throttle Control Figure 17 1. Rotate choke knob to OFF position. 2. Connect power cord to switch box on engine. Plug the other end of power cord into a threehole, grounded 12-volt AC receptacle. 3. Push starter button to crank engine. See Figure 17. As you crank the engine, move choke knob to FULL choke position. 4. When engine starts, release starter button, and move choke gradually to OFF. If engine falters, move choke immediately to FULL and then gradually to OFF. NOTE: Do not lose ignition key. Keep it in a safe place. Engine will not start without the ignition key. 5. Wipe all snow and moisture from the carburetor cover in the area of the control levers. Also, move control levers back and forth several times. 12 TO ENGAGE DRIVE OPERATING TIPS 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. 2. Squeeze the auger clutch grip and the augers will turn. Release it and the augers will stop. 3. Squeeze the drive clutch grip and the snow thrower will move. Release it and drive motion will stop. 4. NEVER move shift lever without releasing drive clutch. NOTE: Allow the engine to warm up for a few minutes as the engine will not develop full power until it reaches operating temperature. WARNING: Temperature of muffler and surrounding areas may exceed 150 degrees Fahrenheit. Avoid these areas. 1. For most efficient snow removal, remove snow immediately after it falls. 2. Discharge snow downwind whenever possible. Slightly overlap each previous swath. 3. Set the skid shoes 1/4" below the scraper bar for normal usage. The skid shoes may be adjusted upward for hard-packed snow. Adjust downward when using on gravel or crushed rock. 4. Be certain to follow the precautions listed under ‘‘To Stop Engine’’ to prevent possible freeze-up. 5. Clean the snow thrower thoroughly after each use. TO ENGAGE AUGERS To engage the augers and start the snow throwing action, squeeze the auger clutch grip against the left handle. Release to stop the augers. TIRE CHAINS (Optional Equipment) Tire chains should be used whenever extra traction is needed. SECTION 8: ADJUSTMENTS WARNING: NEVER attempt to clean 2. With the traction drive clutch released, there must be clearance between the friction wheel and the drive plate in all positions of the shift lever. With the traction drive clutched engaged, the friction wheel must contact the drive plate. See Figure 18. chute or make any adjustments while engine is running. CHUTE ASSEMBLY ADJUSTMENT The distance snow is thrown can be controlled by adjusting the angle of the top section of the chute assembly. Friction Wheel SKID SHOE ADJUSTMENT The space between the shave plate and the ground can be adjusted. Refer to the Final Assembly and Adjustments section. Gear Shaft TRACTION DRIVE CLUTCH ADJUSTMENT Drive Plate Refer to the Final Assembly and Adjustments section to adjust the traction drive clutch. If you are uncertain that you have reached the correct adjustment, the adjustment can be physically checked as follows. 1. With the snow thrower tipped forward (be certain to drain the oil and gasoline or drain the oil and place plastic film under the gas cap if the snow thrower has already been operated), remove the frame cover underneath the snow thrower by removing six self-tapping screws. Figure 18 3. If adjustment is necessary, loosen the lock nut on the traction drive cable and thread the cable in or out as necessary. Tighten the lock nut to secure the cable when correct adjustment is reached. Reassemble the frame cover. 13 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 and Adjustments section on page 9. ions in separate engine manual for draining oil, be sure to protect frame to avoid oil dripping onto transmission parts. CARBURETOR ADJUSTMENT WARNING: If any adjustments are made to the engine while the engine is running (e.g. carburetor), keep clear of all moving parts. Be careful of heated surfaces and muffler. WHEELS Oil or spray lubricant into bearings at wheels at least once a season. Pull klick pin, remove wheels, clean and coat axles with a multipurpose automotive grease. See Figure 20. Minor carburetor adjustment may be required to compensate for differences in fuel, temperature, altitude and load. Refer to the separate engine manual packed with your unit for carburetor adjustment information. Oil Bearings or Spray Lubricant Klick Pin DRIVE WHEELS The wheels may be adjusted for two different methods of operation. The adjustment is made by placing the klick pins in one of two different holes on the right side of the unit. See Figure 19. 1. One Wheel 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. 2. Both Wheels Driving—Rotate wheel assembly to align hole in hub with inner hole on axle shaft. Insert klick pin in hole. Outer axle shaft hole should be visible. See Figure 19. Axle Figure 20 CHUTE CRANK The worm gear on the chute direction crank should be greased with multipurpose automotive grease. AUGER SHAFT Remove shear bolts on auger shaft. Oil or spray lubricant inside shaft. See Figure 21. Klick Pin in Hub Hole and Inner Axle Hole Shear Bolts Outside Hole in Axle Bearings Figure 21 Figure 19 GEAR SHAFT SECTION 9: LUBRICATION Lubricate the gear shaft with a good all-weather multi-purpose light grease at least once a season or after every 25 hours of operation. IMPORTANT: Keep all grease and oil off of the friction wheel and drive plate. WARNING: Disconnect the spark plug wire and ground against the engine before performing any repairs or maintenance. 14 DRIVE AND SHIFTING MECHANISM • To remove shave plate, remove the carriage bolts, cupped washers and hex nuts which attach it to the snow thrower housing. Reassemble new shave plate, making sure heads of the carriage bolts are to the inside of the housing. Tighten securely. 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. BELT REMOVAL AND REPLACEMENT GEAR CASE WARNING: Remove the spark plug The worm gear case has been filled with grease at the factory. 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. wire from the spark plug and ground. Drain gasoline from the fuel tank, or place a piece of plastic film underneath the gas cap to prevent gasoline from leaking. 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. AUGER BELTS SECTION 10: MAINTENANCE 1. Remove the plastic belt cover on the front of the engine by removing the two self-tapping screws. See Figure 22. WARNING: Disconnect the spark plug wire and ground against the engine before performing any repairs or maintenance. ENGINE Belt Cover Refer to separate engine manual for all engine maintenance procedures. Self-Tapping Screws AUGERS The augers are secured to the spiral shaft with two shear bolts and hex lock nuts. See Figure 21. If you hit a foreign object or ice jam, the snow thrower is designed so that the bolts will shear. If the augers will not turn, check to see if the bolts have sheared. A replacement shear bolt (P) and hex lock nut (Q) have been provided with the snow thrower. When replacing bolts, spray an oil lubricant into shaft before inserting new bolts. 2. 3. 4. SHAVE PLATE AND SKID SHOES 5. The shave plate and skid shoes on the bottom of the snow thrower are subject to wear. They should be checked periodically and replaced when necessary. Figure 22 Drain the gasoline from the snow thrower, or place a piece of plastic under the gas cap. Tip the snow thrower up and forward so that it rests on the housing. Remove six self-tapping screws from the frame cover underneath the snow thrower. Roll the front and rear auger belts off the engine pulley. See Figure 23. NOTE: 5.0 HP model has only one auger belt. 6. Unhook the idler spring from the hex bolt on the auger housing. See Figure 24. • To remove skid shoes, remove the four carriage bolts, cupped washers and hex nuts which attach them to the snow thrower. Reassemble new skid shoes with the four carriage bolts, cupped washers (cupped side goes against skid shoes) and hex nuts. 15 DRIVE BELT 1. Follow steps 1 through 4 of previous instructions. 2. Pull idler pulley up, and lift belt off engine pulley and friction wheel disc. See Figure 23. 3. Using a 7/16" wrench, loosen the nut on the stop bolt until the support bracket rests on the auger pulley. See Figure 25. 4. Slip belt between friction wheel and friction wheel disc. See Figure 25. Remove and replace belt. Reassemble following the instructions in reverse order. Drive Belt Rear Auger Belt Engine Pulley Front Auger Belt Idler Pulley NOTE: The support bracket must rest on the stop Engine Pulley Idler Pulley bolt after the new belt has been assembled. See Figure 25. Friction Wheel Disc Figure 23 7. Unhook the support bracket spring from the frame. Drive Belt NOTE: It may be necessary to loosen the six nuts that connect the frame to the auger housing to aid in belt removal. 8. Lift the rear auger belt from the auger pulley, and slip belt between the support bracket and the auger pulley. See Figure 23. Repeat this step for the front auger belt. 9. Replace both auger drive belts by following instructions in reverse order. Pin Friction Wheel Support Bracket Stop Bolt Friction Wheel Assembly Figure 25 CHANGING THE FRICTION WHEEL RUBBER Support Bracket Frame Gear Shaft Auger Belt Auger Pulley The rubber on the friction wheel is subject to wear and should be checked after 25 hours of operation, and periodically thereafter. Replace the friction wheel rubber if any signs of wear or cracking are found. 1. Drain the gasoline from the snow thrower, or place a piece of plastic under the gas cap. 2. Tip the snow thrower up and forward, so that it rests on the housing. 3. Remove six self-tapping screws from the frame cover underneath the snow thrower. 4. Remove the klick pins which secure the wheels, and remove the wheels from the axle. 5. Using a 7/8’’ 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. 6. Lightly tap the hex nut to dislodge the ball bearing from the right side of the frame. Remove the hex nut and bell washer from the left end of shaft. Idler Spring Auger Housing Figure 24 Support Bracket Spring 16 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. 9. Reassemble new friction wheel rubber to the friction wheel assembly, tightening the six screws in rotation and with equal force. 10. Slide friction wheel assembly back onto the gear shaft. Be sure to align the pin on the shift rod with the hole in the friction wheel assembly. See Figure 24. Reassemble in reverse order. SECTION 11: OFF-SEASON STORAGE WARNING: Never store engine with 1. 2. 3. 4. fuel in tank indoors or in poorly ventilated areas, where fuel fumes may reach an open flame, spark or pilot light as on a furnace, water heater, clothes dryer or other gas appliance. If unit is to be stored over 30 days, prepare engine for storage as instructed in the separate engine manual included with your unit. Remove all dirt from exterior of engine and equipment. Follow lubrication recommendations on pages 14 and 15. Store in a clean, dry area. NOTE: When storing any type of power equipment in an unventilated or metal storage shed, care should be taken to rust proof the equipment. Using a light oil or silicone, coat the equipment, especially any chains, springs, bearings and cables. Hex Nut Bell Washer Figure 26 17 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. Refer to the engine manual packed with your unit. Open fuel shut-off valve. Fuel shut-off valve closed (if so equipped). Refer to the engine manual packed with your unit. Improper gasoline and oil mixture. Move choke lever to OFF position. Engine runs Unit running on CHOKE. erratic** Blocked fuel line or stale fuel. Clean fuel line; fill tank with clean fresh gasoline. Fuel will not last over thirty days unless a fuel stabilizer is used. Water or dirt in fuel system. Drain fuel tank. Refill with fresh fuel. Carburetor out of adjustment. Refer to the engine manual packed with your unit or have carburetor adjusted by an authorized service dealer. Loss of power Spark plug wire loose. Connect and tighten spark plug wire. Gas cap vent hole plugged. Remove ice and snow from cap. Be certain vent hole is clear. Exhaust port plugged. Clean-see Maintenance section of engine manual. Engine overheats Carburetor not adjusted Refer to the engine manual packed with your unit or have properly. carburetor adjusted by an authorized service dealer. Excessive vibration Loose parts or damaged Stop engine immediately and disconnect spark plug wire. Tighten auger. all bolts and nuts. Make all necessary repairs. If vibration continues, have unit serviced by an authorized service dealer. Unit fails to propel Incorrect adjustment of drive Adjust drive cable. Refer to Adjustment section of this manual. itself cable. Replace drive belt. Refer to Belt Replacement in Maintenance Drive belt loose or damaged. section of this manual. Stop engine immediately and disconnect spark plug wire. Clean Unit fails to Discharge chute clogged. discharge chute and inside of auger housing. discharge snow Stop engine immediately and disconnect spark plug wire. Foreign object lodged in Remove object from auger. auger. Incorrect adjustment of drive Adjust drive cable. Refer to Adjustment section of this manual. Replace drive belt. Refer to Belt Replacement in Maintenance cable. Drive belt loose or damaged. section of this manual. Note: For repairs beyond the minor adjustments above, contact your local authorized service dealer. 18 SECTION 13: ILLUSTRATED PARTS GEAR ASSEMBLY Ref. No. 1 2 3 4 Part No. 618-0123 618-0124 710-0642 711-1020 711-0908 5 714-0161 6 715-0143 7 717-0526 8 717-0528 9 718-0186 10 721-0325 Description Housing—L.H. Housing—R.H. Screw Spiral Axle 22" Spiral Axle 24" Key Pin-Spiral Shaft-Worm Gear-Worm Collar-Thrust Plug Ref. No. 11 12 13 14 15 16 17 18 19 Part No. 721-0327 721-0328 736-0351 736-0369 736-0445 737-0168 741-0376 748-0108 618-0152 618-0120 Description Seal-Oil Locktite 5699 Washer-Flat Washer-Flat Washer-Flat Grease Bearing-Flange Bearing-Flange Ass’y. Complete 22" Ass’y. Complete 24" HANDLE ASSEMBLY 57 20 HANDLE ASSEMBLY Ref. No. Part No. 1 784-5717 784-5718 2 710-0788 3 705-5233 4 705-5234 5 746-0897 6 746-0898 7 731-1500 8 747-0984 9 746-0778 10 712-0287 11 710-0851 12 732-0733 13 735-0199A 15 847-0904 18 710-0262 19 710-3008 20 710-3180 23 712-0324 25 712-0267 27 712-0429 28 710-0599 29 736-0199 30 736-0242 31 712-0121 32 750-1032 Description Control Panel Ass’y (615) Control Panel Ass’y (E645, E665) Hex Bolt 1/4-20 x 1.00 Clutch Lever LH Clutch Lever RH Auger Clutch Cable Drive Clutch Cable Pivot Rod Cover Tube Clutch Lever Pivot Rod “Z” Fitting Hex Nut 1/4-20 Hex Scr. 1/4-20 x .75 Shift Lever Spring Rubber Bumper Shift Handle (w/grip) Carriage Bolt 5/16-18 x 1.50 Hex Bolt 5/16-18 x .75 Hex Bolt 5/16-18 x 1.75 Hex Ins. L-Nut 1/4-20 Hex Cent. L-Nut 5/16-18 Hex Ins. L-Nut 5/16-18 Hex Wash Hd B-Tapp Scr. 1/4-20 x .50 L-Wash 5/16 ID Bell. Washer .345 ID x .88 OD x .06 Hex Nut 10-24 Spacer † Models E645 and E665 Only 21 Ref. No. 33 34 35 36 37 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 Part No. 784-5599 720-0274 749-0910A 749-0911A 705-5265 705-5231 747-0697 710-0451 705-5204A 712-0158 714-0104 715-0138 720-0201A 726-0102 735-0234 736-0140 736-0159 784-5647 741-0475 710-0779A 710-0896 725-1300 712-0415 731-1317 629-0058 Description Handle Tab Grip Handle RH Black Handle LH Black Speed Selector Plate (1 Rev) Speed Selector Plate (2 Rev) Eyebolt Chute Crank Carriage Bolt 5/16-18 x .75 Chute Crank Ass’y Hex Center L-Nut 5/16-18 Int. Cotter Pin 5/16 Dia. Roll Pin .125 Dia. x .62 Knob-Chute Crank Cap Speed Nut 3/8 Grommet Flat Washer .385 ID x .62 OD Flat Washer .344 ID x .875 OD Chute Crank Bracket Plastic Bushing .380 ID Truss Machine Tapp Scr. † Scr:AB:1/4-14:.625: Hxindwsh † Headlight 18 Watts † Hex Nut .250 † Headlight Bezel #8 † Harness (Round Light) † BLOWER HOUSING 22 Ref. No. 1 2 3 4 5 6 7 8 9 10 11 13 16 18 20 21 23 Part No. 784-5618 05931 618-0152 618-0120 684-0052 684-0039A Description Housing, Bearing Housing, Bearing Gear Assembly (22") Gear Assembly (24") 22" Housing Assembly 24" Housing Assembly 684-0065 605-5252 605-5188 605-5253 605-5189 705-5226 710-0167 710-0604 710-0167 710-0451 710-0890A 712-0116 712-0429 712-0267 712-3027 Impeller Assembly Spiral, 22" R.H. Spiral, 24" R.H. Spiral, 22" L.H. Spiral, 24" L.H. Reinforcement, Chute Bolt, Carriage Screw, Hex Screw, Carriage Screw, Carriage Bolt, Shear Hex Lock Nut Nut, Hex Lock Nut, Hex Nut, Lock, Hex, Flanged Ref. No. 24 25 26 27 28 29 30 32 33 34 35 36 37 38 39 40 41 42 43 23 Part No. 715-0114 731-1379 732-0611 736-0119 736-0167 736-0188 736-0242 738-0281 741-0245 741-0309 741-0475 741-0493A 756-0178 784-5580 784-5576 784-5581A 684-0064 784-5647 736-0169 712-0798 Description Spring Pin Adapter, Chute Spring Lock Washer Washer, Flat Washer, Flat, .76 I.D. x 1.49 O.D. x .06 Washer, Bell Screw, Shoulder Bearing, Flange Bearing, Ball Bushing, Plastic Bushing, Flange Idler, Flat Shoe, Slide 22" Shave Plate 24" Shave Plate Arm, Auger Idler Bracket, Chute Crank Lock Washer Hex Nut FRAME ASSEMBLY 24 FRAME ASSEMBLY Ref. No. 1 2 3 4 5 6 7 9 10 11 13 14 15 16 17 19 20 21 22 23 24 Part No. 618-0063 656-0012A 684-0013 684-0021 684-0030 684-0042A 710-0654A 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 Ref. Description No. Bearing Ass’y. 25 Ass’y., Friction Wheel Disc 30 Rod Shift, Wheel Drive 31 Brkt. Ass’y. Friction Wheel 31 Frame Ass’y., 600 S/T 32 Wheel Friction 33 Hex Self-Tap Screw 34 Scr., Hex Wash. Hd., TT1/4-20 x .5" 35 Hex Self-Tap Scr. 36 Screw, Hex 37 Nut, Hex 38 Key 39 Pin, Klick 40 Pin, Cotter 41 Pin, Roll 42 Gear 43 Shaft, Hex 44 Extension Spring 45 Washer, Bell 46 Flat Washer 47 Washer, Flat Part No. 736-0242 Description Washer, Bell Lubricant 738-0869 Axle† 738-0830 Axle†† 738-0924 Screw, Shoulder 741-0563 Bearing, Ball 741-0598 Flange Bearing 746-0897 Cable, Auger 746-0898 Cable, Clutch 748-0190 Spacer 756-0625 Roller, Cable 784-5590 Frame, Shift Bracket 784-5638 Cover, Frame 784-5688 Bracket, Drive Cable Roller 784-5687 Brkt., Auger Clutch Cable Guide 784-5689 Brkt., Front Support Guide 710-0599 Hex Wash Hd. TT-Tap Scr.1/4-20 x .5" Lg. 784-5617 Friction Plate 718-0301A Friction Wheel Hub 735-0243 Friction Wheel Rubber †Used with 13" Wheels ††Used with 16" Wheels WHEEL ASSEMBLIES MODEL NO. SIZE #1 WHEEL ASS’Y. #2 TIRE ONLY #3 AIR VALVE #4 RIM ONLY 615 E645 E665 13 X 4 13 X 5 16 X 6.5 634-0114 734-1714 734-1712 734-1732 734-1527 734-1525 734-0255 734-0255 734-0255 734-1713 734-1713 734-1711 25 #5 SLEEVE BEARINGS 741-0401 741-0401 741-0401 #6 KLICK PIN 714-0143 714-0143 714-0143 ENGINE AND “V” BELTS Ref. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Part No. 05896A 629-0071 710-0117 710-0157 710-0230 710-0342 710-0696 710-0888 710-0896 712-0181 731-1324 732-0710 736-0119 736-0242 736-0247 736-0329 Description Bracket Cord, Extension Screw Screw Screw Screw Screw Screw Screw Nut, Hex Belt Cover Spring Washer—Flat Washer—Bell Washer—Flat Washer—Lock Ref. No. 17 18 19 20 21 22 23 24 25 26 27 28 Part No. 736-0331 736-0505 748-0234 748-0360 754-0346 754-0430 756-0313 756-0569 756-0967 756-0986 756-0987 390-985 390-987 29 — 30 756-0620 31 756-0621 26 Description Washer—Bell Washer—Flat Shoulder Spacer Pulley, Adapter V-Belt V-Belt Matched Idler, Flat Pulley, Half Pulley—Auger Pulley Half Pulley Half Starter (645,665) Starter Engine Pulley, Half (645,665) Pulley, Half (645,665) ENGINE AND “V” BELTS Ref. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Part No. 05896A 629-0071 710-0117 710-0157 710-0230 710-0342 710-0696 710-0888 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 Ref. No. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 † Models 645 and 665 only 27 Part No. 736-0329 736-0331 736-0505 736-0507 748-0234 748-0360 754-0343 754-0430 756-0313 756-0569 756-0967 756-0984 756-0985 390-986 Description Washer-Lock Washer-Lock Washer-Flat Washer Spacer Adapter-Pulley V-Belt V-Belt Idler-Flat Pulley-Half Pulley Pulley-Half Pulley-Half Electric Start Kit† 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. This warranty covers units which have been operated and maintained in accordance with the operating instructions furnished with the unit, and which have not been subject to misuse, abuse, commercial use, neglect, accident, improper maintenance or alteration. Normal wear parts or components thereof are subject to separate terms as noted below in the “No Fault Ninety Day Consumer Warranty” clause. All normal wear part failures will be covered on this product for a period of 90 days regardless of cause. After 90 days, but within the two year period, normal wear parts failures will be covered ONLY IF caused by defects in material or workmanship of OTHER component parts. Normal wear parts are defined as batteries*, belts, blades, blade adapters, grass bags, rider deck wheels, seats, snow thrower skid shoes, shave plates and tires. How to obtain service: Warranty service is available, with proof of purchase, through your local authorized service dealer. To locate the dealer in your area, please check the yellow pages or contact the Customer Service Department of MTD PRODUCTS INC, P. O. Box 368022, Cleveland, Ohio 44136-9722. Phone 1 (800) 800-7310. The return of a complete unit will not be accepted by the factory unless prior written permission has been extended by the Customer Service Department of MTD PRODUCTS INC. Transportation charges: Transportation charges for the movement of any power equipment unit or attachment are the responsibility of the purchaser. Units exported out of the United States: MTD PRODUCTS INC does not extend any warranty for products sold or exported outside of the United States of America, its possessions and territories, except those sold through MTD PRODUCTS INC’s authorized channels of export distribution. Other Warranties: 1. The engine or component parts thereof carry separate warranties from their manufacturers. Please refer to the applicable manufacturer’s warranty on these items. 2. *Batteries are covered by a 90-day replacement warranty. 3. Log splitter pumps, valves and cylinders or component parts thereof are covered by a one year warranty. 4. All other warranties, express or implied, including any implied warranty of merchantability or fitness for a particular purpose, are hereby expressly disclaimed in their entirety. 5. The provisions as set forth in this warranty provide the sole and exclusive remedy of MTD PRODUCTS INC’s obligations arising from the sales of its products. MTD PRODUCTS INC will not be liable for incidental or consequential loss or damage. How state law relates to this warranty: This limited warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Certain disclaimers are not allowed in some states and therefore they may not apply to you under all circumstances. NOTE: This warranty does not cover routine maintenance items such as lubricants, filters, blade sharpening and tune-ups, or adjustments such as brake adjustments, clutch adjustments or deck adjustments. Nor does this warranty cover normal deterioration of the exterior finish due to use or exposure.