Craftsman 917378170 User Manual LAWN MOWER Manuals And Guides L0904342
CRAFTSMAN Walk Behind Lawnmower, Gas Manual L0904342 CRAFTSMAN Walk Behind Lawnmower, Gas Owner's Manual, CRAFTSMAN Walk Behind Lawnmower, Gas installation guides
User Manual: Craftsman 917378170 917378170 CRAFTSMAN LAWN MOWER - Manuals and Guides View the owners manual for your CRAFTSMAN LAWN MOWER #917378170. Home:Lawn & Garden Parts:Craftsman Parts:Craftsman LAWN MOWER Manual
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® L 17,378 70 OWNER'S MANUAL \ Assembly ° Operation , Maintenance ° Service . Adjustments ° Repair Parts Caution: Read and Follow aHJSafety Ru_es and instructions Before Operating This Equipment L rl1'° "I ...... II']l"1 ............................ '1 ................... i,¸'¸ ',l..... SAFETY' RULES & 0AUT'ON: O,SOONNEOTS PLUOW,.EANO AK P O W,R W. °E,TO .NOTCONT & CT RF_PAIRS. ALWAY iMPORTANT SAFETY STAN DARDS REQUIRE OPERATOR PRESENCE CONTROLS TO MINIMIZE THE RISK OF INJU RY, YOUR UNIT iS EQUIPPED WITH SUCH CONTROLS. DO NOT ATTEMPT TO DEFEAT THE FUNCTION OF THE OPERATOR PRESENCE CONTROLS UNDER ANY CIRCUMSTANCES, TRAINING: Read this operator's manual carefully, Become famitiar with the controls and know how to operate your mower properly, Learn how to quickty slop mower, Always stop the engine whenever you leave or are not using your mower, or before crossing driveways, walks, roads, and any gravePcovered areas, Do not altow children to use your mower. Never altow adults to use mower without proper instructions. :i::i _ Never direct discharge of material toward bystanders nor allow anyone near the mower while you are operating it, • Keep the area of operation , small children and pets. Use mower only as the manufacturer in_.er_d_i.and as de-, scribed in this manual, ..:_i:i'!i ' . Before cleaning, inspecting, or repairing your mower, stop the engine and make absolutely sure the blade and all moving parts have stopped. Then disconnect the spark plug wire and keep it away from the spark plug to prevent accidental starting. • • o ° ° clear of alf person:s_i!_e_eciaHy , ,' 0,:" ' Do not operate mower _fit has been i.d..r0pp;ed olr-damaged m any manner, Always have damag._;rffpa;i_ed ' before using your mower, : _':_i,;' Do not use accessory attach_entsthat ai;e not recommended by the manufacturer, Us_i!iof_iSu,ch attachments may be hazardous. Be aware that running. pREPARATION("_"_: Do not continue to run your mower if you hit a foreign object, Fottow the procedure outlined above, then repair any damage before restarting and operating you mower. ,:_:i::i:i":' _i:_:: :::.i:_ the m_r-,blA_e turns when the engine is Do not change the governor settings or overspeed the engine. Engine damage or personal injury may result. - Do not operate your mower if it vibrates abnormally, Excessive vibration is an indication of damage; stop the engine, safely check for the cause of vibration and repair as required. Do not run the engine indoors, ous. ........... • Always thorough!y check the area to be mowed and clear it of all stones, sticks;;wires, bones, and other foreign objects. These objects wilt be thrown by the blade and can cause severe injury. ' • Always wear safety glasses or eye shields when starting and while using your mower. Dress properly, Do not operate mower when barefoot or wearing open sandals. Wear only solid shoes with good traction when mowing. Exhaust fumes are danger- o Never cut grass by pulling the mower towards you. Mow across the face of slopes, never up and down or you might lose your footing. Do not mow excessively steep slopes. Use caution when operating the mower on uneven terrain or when changing directions - maintain good footing. • Never operate your mower without proper guards, plates, grass catcher or other safety devices in place. MAINTENANCE Check fuel tank before starting engine. Do not fi_tgas tank indoors, when the engine is running or when the engine is hot, Allow the .engine to coot for several minutes before filling the gas tank. Clean off any spilled gasoline bdore starling the engine. , • AND STORAGE: , Check the blade and the engine mounting bolts often to be sure they are tighlened properly. o Check al_ bolts, nuts and screws at frequent intervals for proper tigt_tness to be sure mower is in safe working condition. Always make wheel height adjustments before starting your mower. Never attempt to do this while the engine is running, , Keep alt safety devices in place and v¢orking. Mow only in daylight or good artificial light, o To reduce fire hazard, keep the engine free of grass, leaves or excessive grease and oil o Check grass catcher often for deterioration and wear and replace worn bags. Use onty replacement bags that are recommended by and comply with specifications of the manufacturer of your mower. o Always keep a sharp blade on your mower, ° ° Aflow engine to cool before storing in any enclosure. OPERATION: Keep your eyes and mind on your mower and the area being cut. Do not let other interests distract you. Do not mow wet or slippery grass. Never run while operating your mower. ALways be sure of your footing - keep a firm hotd on the handles and walk, Do not put hands or feet near or under rotating parts, Keep clear of the discharge opening at all times, LOOK IT MEANS FOR _ THIS ATTENTIONS!! SYMBOL 3"O BECOME POINT Never store mower with fueI in the tank inside a building where fumes may reach an open flame or an ignition source such as a hot water heater, space heater, clothes dryer, etc. OUT _MPORTANT ALERT!!! YOUR SAFETY SAFE!rY IS PRECAUTIONS, INVOLVED_ 2 PRODUCT CONGRATULATmONS on your purchase of a Sears Craftsman Lawn Mower, It has been designed, engineered and manufactured to give you the best possible dependability and performance. Should you experience any probtems you cannot easily .......... _medy, please contact your nearest Sears Service Cen,eriDepartment. Sears has competent, well trained technicians and the proper tools to service or repair this unit. Please read and retain this manual. The instructions will SPECIFtCATHONS HORSEPOWER: 3.5 DISPLACEMENT: 9.06 cu. in. GASOLINE CAPACITY: 1.5 quarts (Unleaded) OIL (20 oz. Capacity): SAE 30 or (SAE ! 0W30) SPARK PLUG (GAP .030 IN.): (0.76 ram) Champion RJ 19LM or Sears z.t 33312 or STD 36t458 or STD 360950 DATE OF PURCHASE VALVE CLEARANCE: .008 in. .008 in. THE MODEL AND SERIAL NUMBERS WILL BE FOUND ON A DECAL ATTACHED TO THE REAR OF THE LAWN MOWER HOUSING, SOLID STATE IGNITION AIR GAP: .0125 in. BLADE BOLT TORQUE: 35-40 ft.-tbs. enable you to assemble and maintain your lawn mower properly, Always observe the SAFETY RULES'. MODEL NUMBER 917.378170 SERIAL NUMBER YOU SHOULD RECORD BOTH SERIAL NUMBER AND DATE OF PURCHASE AND KEEP tN A SAFE PLACE FOR FUTURE REFERENCE. MAINTENANCE AGREEM A Sears Maintenance CUSTOMER Intake: Exhaust: ENT Agreement is available on this product. Contact your nearest Sears store for details. RESPONSiBiLiTIES • Road and observe the safety rules. Follow a regular schedule in maintaining, caring for and using your lawn mower. • Follow the instructions under "Maintenance" and "Storage" sections of this Owner's Manual. LtMaTED ONE YEAR WARRANTY ON CRAFTSMAN POWER MOWER For one year from date of purchase, when this Craftsman Lawn Mower is maintained, lubricated, and tuned up according to the operating and maintenance instructions in the owner's manual, Sears wil! repair free of charge any defect in material or workmanship. If this Craftsman Lawn Mower is used for commercial or rental purposes, this warranty applies for only 90 days from the date of purchase. This Warranty does not cover: • Expendable items which become worn during normal use, such as rotary mower blades, blade adapters, belts, air cleaners and spark plug. • Repairs necessary because of operator abuse or negligence, including bent crankshafts maintain the equipment according to the instructions contained in the owner's manual. and the failure to WARRANTY SERVICE IS AVAILABLE BY RETURNING THE CRAFTSMAN POWER MOWER TO THE NEAREST SEARS SERVICE CENTER!DEPARTMENT IN THE UNITED STATES. THIS WARRANTY APPLIES ONLY WHILE THIS PRODUCT tS IN USE IN THE UNITED STATES. This Warranty gives you specific legal rights, and you may also have other rights which vary from state to state. SEARS, ROEBUCK AND CO., D/731CR-W SEARS TOWER, CHICAGO, IL 60684 3 TABLE OF CONTENTS SAFETY RULES ............................................. PRODUCT SPECiFiCATiONS., ................ ,..... CUSTOMER RESPONSiBiLiTiES ................. WARRANTY ................................................... LAWN MOWER ACCESSORIES ................... ASSEMBLY ......................................... ........... OPERATION ................................................... 2 3 3 3 5 5 6 MAINTENANCE .............................................. 9 SERVICE AND ADJUSTMENTS .................. 12 STORAGE ..................................................... 1_ TROUBLESHOOTING .................................. 23 REPAmR PARTS = LAWN MOWER ......... 15-1g REPAIR PARTS = ENGINE ...................... 20-22 PARTS ORDERING/SERVICE ,BACK COVER mNDEX A Accessories ............................................ Adjustments: Carburetor .................................. Drive ControJ Cable ................... Handle Height ............................ Height of Cut .............................. Air Filter: Service ........................................ Assembly: Handle .......................................... B Blade: Sharpening ................................. Replacement .............................. H 5 13 12 t3 12 11 5 F B 14 3 11 10 10 11 g Spark Plug .................................. tl Mowing Tips ........................................ 8 0 11 11 11 8 15 Fueh Type .............................................. Storage ....................................... Responsibilities, Agreement .................................... Air Filter ...................................... Blade Care/Replacement .......... Drive Wheels .............................. Englne ........................................ Lubrication ................................... C Engine: Oi_ Change ................................. Oil Level ..................................... Oil Type ...................................... Starting ......................................... Storage ....................................... R Engine .......................................... 9 Discharge Guard Hinge Pin ........ g Handle Bracket Mounting Pin .... 9 Wheel Adjuster ............................ g Brake Spring Bracket .................. 9 M Maintenance: Controls'. E Repair Parts Lawn Mower ........................... 15-19 Engine ................................... 2022 L Lubrication: 10 10 Operator Presence Control Bar .6 Dr_ve Control ............................... 6 Customer Responsibilities ................ 3 P Handle: Adjustment ................................. 13 Assembly ..................................... 5 Oil: Customer ............... 3 S Safety Rules ........................................ 2 Service and Adjustments: Carburetor .................................. 13 Drive Control Cable ................... 12 Drive Belt ................................... 12 Engine Speed ............................ 13 Handle ........................................ 13 Service Recommendations ................ 9 Spark Plug ......................................... 1' Specifications ..................................... 3 Starting the Engine: Drive Control ............................... 7 Stopping the Engine ........................... 8 Storage .............................................. 14 T Throttle Control ................................ 13 Engine .......................................... 8 Trouble Shooting Chart ................... 23 Storage ....................................... 14 W Operation: Warranty .............................................. 3 Operating Lawn Mower ........... 6-8 Wheels: Control Bar................................... 8 Wheel Adjusters .......................... B Throttle Control ........................... B Operator Presence Control Bar ......... B . Options: Attachments ................................. 5 4 LAWN MOWE ACCESSO ......_.hese accessories were available when this lawn mower was produced, They are also available at most Sears retail o_,.ets, catabg and service centers, Most Sears stores can also order repair parts for you, when you provide the model number of your lawn mower. Some of these accessories may not apply to your lawn mower. [HGJNE SPARKPLU_ _ AIR FILTER MUFFLER _ -- ENG|NE O_L GASCAH STASiLlZ[R m_ © LAWNMOWERMAINTENANCE BLADE 8[LT BL_#EAPAPTER WHE[LS . LAWNMOW[A COVER LY ASS Your lawn mower has been assembled at the factory. TO REMOVE CARTON ° o o ° LAWN MOWER OPERATOR PRESENCE CONTROL BAR FROM UPPER HANDLE Remove loose parts included with mower. Cut down two end corners of carton and lay end panel down flat, Remove all packing materials except padding between upper and Iower handle and padding holding operator presence control bar to upper handle. Roll lawn mower out of carton and check carton thorougNy for additionaI loose parts. LIFT UP {MOWING POSfT|ON HOW TO SET UP YOUR LAWN MOWER TO UNFOLD o HANDLE (See Fig. LOWER HANDLE FiG. 1 1) . Raise handles until tower handle section tocks into place in mowing position, Raise upper handfe section into place on lower handle, remove protective padd{ng and tighten both handle knobs, . Remove handle padding holding operator presence contro_ bar to upper handle. Your lawn mower handle can be adjusted for your mowing comfort, Refer to "Adjust Handle" in the Service and Adjustment section of this manual. 5 OP ATION KNOW YOUR LAWN MOWER READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR LAWN MOWER, Compare th_ illustrations with your lawn mower to familiarize yourself with the location of various controls and adjustments, Save this manual for future reference. DRIVE CONTROL OPERATOR PRESENCE LEVER CONTROLBAR DRIVE ANDZONECONTROL STARTER HANDLE HANDLE KNOB , GASOLINE FILL CAP ENGINE OiL CAP WITH DIPSTICK CABLE CLIPS DRIVE COVER PRIMER DISCHARGE GUARD WHEELADJUSTER (ON EACH WHEE_ HOUSING FIG. 2 MEETS CPSC SAFETY REQUIREMENTS Sears rotary walk-behind power lawn mowers conform to the safety standards of the American National Standards Institute and the U.S. Consumer Product Safety Commission. The blade turns when the engine is running. OPERATOR PRESENCE CONTROL - must be held down to the handle to start the engine. Release to stop the engine. STARTER HANDLE - used for starting the engine. DRIVE CONTROL LEVER - used to engage power-propelled forward motion of lawn mower. PRIMER - pumps additional fuel from the carburetor to the cylinder for use when starting a cold engine, 6 OPERATION ........... :_OW TO USE YOUR LAWN MOWER ENGINE OPERATOR PRESENCE CONTROL BAR SPEED The engine speed was set at the factory for optimum performance, Speed is not adjustable. ENGINE ZONE CONTROL CAUTION: Federat regulations require an engine controt to be installed on this DRIVE CONTROL risk of blade contact injury. Do not unlawn mower in order to attempt minimizeto the de_ any circumstances defeat the function of the operator control, The blade turns when the engine is running. • Your Iawn mower ence control bar positioned behind operate the lawn DRIVE CONTROL o Forward motion wiff stop when the operator presence control bar is released. To stop forward motion without stopping engine, releasethe operator presence control bar slightty until the drive control disengages. Hold operator presence contro! bar down to handle to continue mowing without self-propelling. To keep drive control engaged when turning corners, push down on handle and lift front wheels off ground while turning lawn mower. TO ADJUST o • , DRIVE CONTROL FIG. 3 LOWER WHEELS FOR HiGH CUT RAISE WHEELS FOR LOW CUT (See F_go 3) Self-propelling is controfied by holding the operator presence control bar down to the handle and pushing the drive controt lever forward until it clicks; then release the lever. , TO ENGAGE is equipped with an operator preswhich requires the operator to be the tawn mower handle to start and mower. o : DRIVE CONTROL CUTTING HEIGHT FIG. 4 (See Fig, 4) Raise wheels for low cut and lower wheels for high cut. Wheels are set in low cut for shipping. Adjust cutting height to suit your requirements. Medium position is best for most lawns. To change cutting height, squeeze adjuster lever toward wheel. Move wheeJ up or down to suit your requirements. Be sure allwheels are in the same setting. 7 OPERA BEFORE 0 STARTXNG ENGINE GASOLINE FILLER CAP OiL (See Fig. 5) A 20 oz. bottle of Pennzoi] SAE 30 oil is included with your new lawn mower. • Remove engine oil cap and fill to the FULL line on the dipstick. o Use 20 ozs. of SAE 30 oit. SAE t0W30 oil can atso be used. • DO NOT use SAE t0W 40 oil. • POUR OIL SLOWLY. DO NOT OVERFILL. o Check oil level before each use. Add oil if needed. Fill to FULL fine On dipstick. o To read proper level, tighten engine oil cap each time. o Reinstall engine oil cap and tighten. o After the first two (2) hours of mowing, change the oil, and every 25 hours thereafter. You may need to change the oil more often under dusty, dirty conditions. ENGINE OIL CAP W/DIPSTICK FIG. 5 MOWING • GAS (See Fig. 5) • Fill gasoline tank with fresh, clean unleaded gasoline. DO NOT USE PREMIUM GASOLINE. BE CAREFUL NOT TO OVERFILL TANK. o WARNING: Experience indicates that alcohol blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to separation and formation of acids during storage. Acidic gas can damage the fuel system of an engine while in storage. To avoid engine problems, the fuel system should be emptied before storage for 30 days or longer. Drain the gas tank, start the engine and let it run until the fuel lines and carburetor are empty. Use fresh fuel next season. See Storage instructions for additional information. Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur. • , TO START ENGINE ° o o To start a cold engine, push primer five (5) times before trying to start. Use a firm push. This step is not usually necessary when starting an engine which has atready run for a few minutes. Hold operator presence control bar down to the handte and putt starter handle quickly. DO NOT allow starter rope to snap back. To STOP engine, release operator presence control bar. NOTE: In cooler weather it may be necessary to repeat priming steps. In warmer weather over priming may cause flooding and engine will not start, If you do flood engine, wait a few minutes before attempting to start and DO NOT repeat primintg steps. 8 TiPS Under certain conditions, such as very tall grass, it may be necessary to raise the height of cut to reduce pushing effort and to keep from overloading the engine and leaving clumps of grass clippings. For extremely heavy cutting, reduce the width of cut and raise the rear of the lawn mower housing one (1) wheel adjuster setting higher than the front for better discharge of grass. For side discharge mowers, cutting in a counter-clock wise direction, starting at the outside of the area to b_. cut, spreads grass clippings more evenly and puts less load on the engine. To keep clippings off of walkways, flower beds, etc., make the first cuts in a clockwise direction. Keep top of engine around starter clear and clean of grass clippings and chaff. This wilt help engine air flow and extend engine life. NTENANCE MAINTENANCE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE SERVICE DATES Check for Loose Fasteners Clean/Inspect Grass Catcher CIean Lawn Mower Inspect Mower Blade Replace/Sharpen Mower Blade L_ ......... Lubricate Pivot Points Check Engir_e Oil Level Change Engine Oil / inspect Muffler I !i Replace Spark Plug ........ Replace Air Filter Paper Cartridge 1 - Change more often when operating under a heavy load or in high ambient temperatures. 2 - Service more often when operating in dirty or dusty conditions, LUBRl CAT!0 N CHA RT 3- Replace blades more often when mowing in sandy soil, GENERAL RECOMMENDATIONS (_) ENGINE (_ WHEEL ADJUSTER The warranty on this lawn mower does not cover items that have been subjected to operator abuse or negligence. To recieve full vatue from the warranty, operator must maintain mower as instructed in this manual. Some adjustments will need to be made periodically to properly maintain your unit. All adjustments in the Service and Adjustments section of this manual should be checked at least once each season. o o Once a year, repiace the spark plug, clean or replace air filter element and check blade for wear. A new spark plug and clean/new air fitter element assures proper air-fuel mixture and helps your engine run better and last longer, Follow the maintenance schedule in this manual. (_ BEFORE o • EACH USE Check engine oil fevet, Check for loose fasteners. HANDLE BRACKET MOUNTING PiN (_) DISCHARGE GUARD HINGE PIN (_ SPRAY LUBRICANT (_) SAE30 OR10W30MOTOR OIL REFERTO ENGINEMAINTENANCE SECTIONo LUBRmCAT_ON Keep unit wett lubricated (See "LUBRICATION _MPORTANT: DO NOT OIL OR GREASE PLASTIC WHEEL BEARINGS. VISCOUS LUBRICANTS WILL ATTRACT DUST AND DiRT THAT WILL SHORTEN THE LIFE OF THE SELF LUBRICATING BEAR] NGS. IF YOU FEEL THEY MUST BE LUBRICATED, USE ONLYA DRY, POWDERED GRAPHITE TYPE LUBRICANT SPARINGLY. CHART"). 9 NTENANCE LAWN MOWER CRANKSHAFT & BLADE ADAPTER DETAIL BLADE Always observe safety rules when performing any maintenance, T_RES o o Keep tires free of gasoline, oil, or insect control chemicals which can harm rubber. ADAPTER Avoid stumps, stones, deep ruts, sharp objects and other hazards that may cause tire damage. BLADE KEY CARE For best results, mower blade must be kept sharp. Replace bent or damaged blades. CRANKSHAFT TO REMOVE BLADE (See Fig. 6) o Turn lawn mower on its side. Make sure air filter and carburetor are up. o Use a wood block between blade and mower housing to prevent blade from turning when removing blade bolt, CRAN_ SHAFT KEYWAY LOCK WASHER FIG, 6 . Protect your hands with gloves and/or wrap blade with heavy cloth, . Remove blade bolt by turning counter-clockwise, Use a 9/t6" box or open-end wrench. • Remove blade and attaching hardware (bolt, lock washer and hardened washer). NOTE: Remove the blade adapter and check the key inside hub of blade adapter. The key must be in good condition to work properly. Replace adapter if damaged. TO REPLACE BLADE GEAR CASE Position the blade adapter on the engine crankshaft, Be sure key in adapter and keyway in crankshaft are aligned, • Position blade on the blade adapter aligning the two (2) holes in the blade with the raised lugs on the adapter. o Be sure the word TOP (stamped on the blade) is toward the engine. o Install the blade bolt with the lock washer and hardened washer into blade adapter and crankshaft, o Use block of wood between blade and lawn mower housing and tighten the blade bolt, turning clockwise. o The recommended tightening torque is 35-40 ft, Ibs, iMPORTANT: BLADE BOLT IS GRADE 8 HEATTREATED. A 'DOS. b,_de can gerous. Use only Sears authorized best cutting results, o The gear case is filled with lubricant to the proper level at the factory. The onty time the lubricant needs attention is if service has been performed on the gear case, • If lubricant is required, use only Texaco Starpfex Premium Grease, part no. 750355, Do not substitute, b_ dan- Check front drive wheels each time before you mow to be sure they move freely, The wheels not turning freely means trash, grass cuttings, etc, are in the drive wheel area and must be cleaned to free drive wheels. If necessary to clean the drive wheels, check both front wheels, • • • _ • , replacement blade to get the Remove hubcaps, hairpin cotters and washers. Remove wheels from wheet adjusters, Remove any trash or grass cuttings from inside the dust cover, pinion and/or drive wheel gear teeth. Put wheels back in place, if after cleaning, the drive wheels do not turn freely, contact your nearest Sears Service Center. GRASS blade - but if CATCHER (If purchased as an accessory) TO SHARPEN BLADE " To keep your drive system working properly, the gear case and area around the drive should be kept clean and free of trash build-up. Clean under the drive cover twice a season, DRIVE WHEELS / NOTE: We do not recommend sharpening you do, be sure the blade is balanced, o . (See Fig. 6) • _T'ON_ BLADE ADAPTER o "Theblade can be sharpened with a fife or on a grinding whee!, Do not attempt to sharpen while on the mower, To check blade balance, drive a nail intoa beam or wall, Leave about one inch of the straight nail exposed. Place center hole of blade over the head of the nail. If blade is balanced, it should remain in a horizontal position. If either end of the blade moves downward, sharpen the heavy end until the blade is balanced, . 10 The grass catcher may be hosed with water, but must be dry when used, Check your grass catcher often for damage or deterioration, Through normal use it will wear, if catcher needs replacing, replace only with a manufacturer, approved replacement catcher from Sears, Give the lawn mower model number when ordering, NTENANCE ENGINE LUBRiCATiON Change the oil after the first two hours of operation and every 25 hours thereafter or at least once a year if the lawn mower is not used for 25 hours in one year. Check the crankcase oil leve! before starting the engine and after each five (5) hours of continuous use. Add SAE 30 motor oil or equivalent, Tighten oil plug securely each time you check the oil level, TO CHANGE ENGINE OIL (See Fig. 7) = = , ° • Remove engine oil cap; }ay aside on a clean surface. Tip lawn mower on its side and drain oil into a suitable container. Rock lawn mower back and forth to remove any oil trapped inside of engine. Wipe off any spilled oil on lawn mower and on side of engine, Fill engine with SAE 30 or 10W 30 oil. Fill only to the "FULL" line on the dipstick. DO NOT OVERFILL. FIG, 7 COLLAR Replace engine oit cap. TURN COUNTERCLOCKWISE )REMOVE AiR FILTER Your engine will not run properly and may be damaged by using a dirty air filter. Replace the air filter every year, more often if you mow in very dusty, dirty conditions, Do not wash air filter, AIRFILTER AiR FILTER COVER TO CHANGE AIR FILTER (See Fig, 8) • o • • o • Remove the air filter by turning counterclockwise to the stop and pull away from collar. Remove filter from inside of cover. Clean the inside of the cover and the collar to remove any dirt accumulation. Insert new filter into cover. Put air filter cover and filter into collar aligning the tab with the slot. Push in on cover and turn clockwise to tighten. FiG, 8 CLEANING Clean the underside of your mower after each use. , Turn lawn mower on its side.Make sure air filter and carburetor are up. Clean the underside of your iawn mower by scraping to remove build-up of grass and trash. MUFFLER • Inspect and replace corroded muffler as it could create a fire hazard and/or damage. o SPARK TURN CLOCKWISE TO TIGHTEN PLUG • Change your spark plug each year to make your engine start easier and run better. Set spark plug gap at .030 inch, Ciean engine often to keep trash from accumulating. A clogged engine runs hotter and shortens engine life. Keep finished surfaces and wheels free of all gasoline, oil,etc. We DO NOT recommend using a garden hose to clean lawn mower unless the electrical system, muffler, air filter and carburetor are covered to keep water out. Water in engine can result is shortening engine life. CLEAN UNDER DRIVE COVER Clean under drive cover at least twice a season, Scrape underside of cover with putty knife or similar too! to remove any build-up of trash or grass on underside of drive cover, 11 SERVICE AND ADJUST CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: o Release control bar. , Make sure the blade and all moving o Disconnect parts have completely stopped. spark plug wire from spark plug and place where it cannot come in contact with plug. LAWN MOWER TO ADJUST HEX HEAD SCREW CUTTING See "TO ADJUST CUTTING section of this manual. DISCHARGE ENTS HEIGHT BELT SNUBBER W" / [, / HEIGHT" in the Operation GUARD The discharge guard, attached to the discharge opening of your lawn mower, is provided to prevent the possibility of injury resulting from objects being thrown out of the discharge opening into the operator mowing position. If the discharge guard becomes damaged, it should be replaced. TO REMOVE!REPLACE (See Fig. 9) ° o o , ° ° • DRIVE BELT FiG. 9 Remove drive cover, Remove belt by pushing down on gear case pulley. Turn lawn mower on its side with carburetor and fue! cap up. Loosen hex head screw and move belt snubber away from pulley, Remove belt from engine pulley on crankshaft and carefully slip belt off over blade, CAUTION: Sharp edges of blade can cut belt. Install new belt by reversing above steps. Move belt snubber back in place and tighten hex head sc rew. SLEEVE JAM NUT "B",,_ DRIVE POSITION Always use factory approved long life. TO ADJUST DRIVE (See Fig. 10) CLUTCH SPRING belt to assure fit and CONTROL • , , o o o SCREW "A" FIG. 10 CABLE A drive control cable that needs adjustment wili keep your lawn mower from self-propelling properly and can also cause gear case components to wear out sooner. o Remove drive cover. o o CLAMP SHIFTER ARM NOTE: Belt snubber clears belt by approx. 1/32 inch when installed. , PLIERS JAM Loosen cable clamp screw "A" and nuts "B" and "C". Hold down operator presence control bar to handle and engage drive control. Move shifter arm to drive position while rotating front wheefsto be sure jaw clutch is engaged. Pull threaded sleeve with pliers. Do not putt on control cable, Tighten nut "C" until sleeve is snug. Tighten screw"A" and nut "B". Push lawn mower back and forth to be sure gear case is engaged, Replace drive cover. Release operator presence control bar. 12 ADJUSTING BRACKET S F_.RVIOF_.AND ADJUST TO ADJUST HANDLE (See Figs. tl Thru 13) SHIPPING Your lawn mower handle can be raised or lowered for your mowing comfort. Four (4) positions are available: high, medium high, medium low and low. Handles are shipped mounted in the medium low position. • • , • , , • ENTS POSITION MEDIUM LOW MEDWM \ To change from medium low to medium high position, the upper and lower handle sections will have to be turned over (See Fig. 11 B). Remove the controls and operator presence control bar from the upper handle. Remove the starter rope guide from the lower handle. Remove hairpin cotters, Disconnect the lower handle from the handle brackets (See Fig. t3). Turn the handle over and reassemble the hairpin cotters that have been removed. JI FIG. ! 1A Reassemble the starter rope guide. Reassemble the controls and the operator presence control bar to the upper handle. FIG, 11B LOW CAUTION: The operator presence contro! bar must pivot freely to permit blade brake engagement when control bar is released. Do not overtighten the fasteners holding the controts to the upper handle. , • To change from medium upper handle section will Fig, 12A). To change from medium lower handle section wilt Fig. 12B). HBGH HIGH low to high position only the have to be turned over (See low to low position, only the have to be turned over (See ENGINE FIG. 12A FiG. 12B ENGINE SPEED Your engine speed has been factory set. Do not attempt to increase engine speed or it may result in personal injury. If you believe that engine is running too fast or too slow, take your mower to an authorized Sears Service Center for repair and adjustment. \ LOWER HANDLE CARBURETOR Your carburetor has been preset at the factory and is not adjustable. HAIRPIN CLiP FIG. 13 13 STORAGE ENGINE immediately prepare your iawn mower for storage at the end of the season or if the unit wit not be used for 30 days or more. FUEL SYSTEM iMPORTANT: IT IS iMPORTANT TO PREVENT GUM DEPOSITS FROM FORMING iN ESSENTIAL FUEL SYSTEM PARTS SUCH AS CARBURETOR, FUEL FILTER, FUEL HOSE, OR TANK DURING STORAGE. ALSO, EXPERIENCE INDICATES THAT ALCOHOL BLENDED FUELS (CALLED GASOHOL OR USING ETHANOL OR METHANOL) CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE. ACIDIC GAS CAN DAMAGE THE FUEL SYSTEM OF AN ENGINE WHILE IN STORAGE. LAWN MOWER When lawn mower is to be stored for a period of time, clean it thoroughly, remove all dirt, grease, leaves, etc. Give blade and underside of housing a good coat of grease or rust preventative. Store in a clean, dry area. • Clean entire lawn mower (See "CLEANING" in the Maintenance section ol this manual). , Lubricate as shown in the Maintenance section of this manuaJ. o Be sure that a/ nuts, bolts, screws, and pins are secu_'ely fastened. Inspect moving parts for damage, breakage and wear. Replace if necessary. o Touch up a!l rusted or chipped paint surfaces; sand lightly before painting. HANDLE o Drain the fuel tank. • Start the engine and let it run untt the fuel lnes and carburetor are empty. o Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur. • Use fresh fuet next season. NOTE: Fuel stabilizer is an acceptabIe alternative in minimizing the formation of fuel gum deposits during storage. Add stabiizer to gasoline in fuel tank or storage container. Always fo/ow the mix ratio found on stabilizer container. Run engine at least 10 minutes after adding stabilizer to allow the stabilizer to reach the carburetor. Do not drain the gas tank and carburetor if using fuel stabilizer. (See Fig, 14) You can fold your lawn mower handle for storage. ° To fold, squeeze the bottom ends ofthe lower handle toward each other until the tower handle clears the handle bracket, then move handle forward. IMPORTANT: WHEN FOLDING THE HANDLE FOR STORAGE OR TRANSPORTATION, BE SURE TO FOLD THE HANDLE AS SHOWN tN FIG. t4. IF YOU FOLD THE UPPER HANDLE SECTION THE WRONG WAY, YOU MAY DAMAGff THff CONTROL CABLES. o o ENGINE OIL Drain oil (with engine warm) and replace with clean engine oil. (See "ENGINE" in the Maintenance section of this manual). When setting up your handle from the storage position, the lower handle wll automatically lock into the mowing position. CYUN DER LOWER HANDLE o Remove spark plug. • • Pour one ounce (29 m!) of oil through spark plug hole into cylinder. Pull starter handle slowly a few times to distribute oil. o Replace with new spark plug. OTHER • Do not store gasoline from one season to another. • Replace your gasoline c&n if your can starts to rust. Rust and/or dirt in your gasoline will cause problems. If possible, store your unit indoors and cover it to give protection from dust and dirt. ° OPERATOR PR F..SIINCE CONTROL BAR --_-_-_-_ . UF'PE_NANDL,_.._/ oLo o=w,,°o FORSTORAGE Cover your unit with a suitable protective cover that does not retain moisture. Do not use plastic. Plastic cannot breathe which allows condensation to form and will cause your unit to rust. ilIIPORTANT: NEVER COVER MOWER WHILE ENGINE AND EXHAUST AREAS ARE ST_LL WARM. _x " i_-_2_::_ ,/ // ]_ .,,4 ;,'_'_'._¢/ /,,," FOLO BACKWARD _i]!_ wlh gasol_e in the tank i_side a bulding where fumes may reach an open flame orspark. Alowtheengineto coo_ CAUTtON: Never storethe lawn mower before storing in any enclosure. #OWING Low_ _,N_L_ FIG, !4 14 22" POWER- PROPELLED LAWN MOWER 917.378170 REPAIR PARTS GSAR CASE ASSEMBLY PART NUMBER 751001 \ RE;F, PART NO, NO, 1 2 3 4 5 6 53838 85178 88386 57072 57388 48032 7 8 9 t0 1t 12 77881 77039 750430 57079 75144 87822 DESCRIPTION REFo PART NO, NO, DESCRIPTION Keps Locknut t/4-20 Adjusting Bracket Shifter Assembly Seal Grooved Pin 1/8 x 1/2 Gear Case Halves (fnct. Upper & Lower Halves) (Incl, Ref, 4, 5, 7) Bearing Spring Bracket Drive Shaft Hardened Washer Yoke Clutch Grooved Pin 1/8 x 3/4 !3 t4 t5 16 17 18 19 20 21 22 Plug Hetical Gear Jaw Clutch Grease E_Ring Hi-Pro Key Worm Shaft Woodruff Key #3 Worm Hex Head Machine Screw 1/4-20 x !-t/4 • •iz 15 86447 83659 750436 750355 STD581050 850848 83720 65692 83680 STD522512 REPAIR PARTS CRAFTSMAN 22" ROTARY LAWN MOWER = MODEL NO, 917o378170 t ,( REPAIR PARTS CRAFTSMAN KEY NO. ,,4 1 2 3 4 5 7 8 9 10 11 12 t3 !8 19 22 23 24 25 28 27 28 29 33 34 35 36 38 39 22" ROTARY PART NO. 850991X479 STD541425 85!667 86960 103672X 58714 85827 51793 63688 STD54t425 84876X479 53109 63845)(417 83644X417 128797 750097 87584X004 750149 STD581025 87590 87593 87589 77400 85! 79 850955 84920 850855X004 87877 LAWN MOWER .. MODEL DESCRiPTiON Upper Handle Locknut Remote Throttle Control Wheel Bushing Rope Guide Handle Bolt Cable Clip Hair_in Cotter Hanule Knob Locknut Lower Handle Hex Head Bolt t/4-20 x !-!/2 Handle Bracket Assembly (Left) Handle Bracket Assembly (Right) Rear Deflector Hex Washer Head Screw #10-24 x !/2 Deflector Bracket Discharge Guard E-Ring Hinge Rod Housing Bracket Torsion Spdng Hubcap Retainer Clip Wheel Adjusting Bracket Spacer Selector Spring Selector Knob NO, 917.378170 KEY NO. 40 4! 42 43 44 45 46 47 48 49 50 5t 52 53 54 55 56 57 59 60 62 63 64 68 PART NO. 85021X004 62335 84921 87748 52160 751592 85483 59289 55187 STD541425 85t201X004 85100O 850998 851084 850263 85t 074 850973 851514 87587X479 88404>(479 48! 92 85543 87677 t32423 132421 DESCRIPTION Axle Arm Assembly Belleville Washer Shoulder Bolt Wheel & Tire Assembly Washer Locknut 3/18-! 6 Danger Deca_ Flat Washer Thread Cutting Screw 5/16-18 x 3/4 Locknut Washer Belt Snubber Hex Head Thread Roiling Screw 3/8o 16 x 1-1/8 Hex Head Screw 3/8-24 x 1-3/8 (Grd° 8) Helical Lockwasher Hardened Washer Blade 22" Blade Adapter Front Baffle Rear Baffle (Not Shown) Lawn Mower Housing (#_cl. Refo #46, 59 & 80) Engine Pulley Hi-Pro Key #HP 505 Engine - Craftsman Model No. 143.424072 Owner's Manual Available accessories not inciuded with lawn mower: 71 33072 7! 33623 7133500 7133300 7t 33201 711_33722 Grass Catcher Gas Can (2,5 ga!.) Fue! Stabilizer SAE 30W Oil (20 oz.) Mt_lcher Kit High WheeJ Kit REPAIR PARTS CRAFTSMAN 22" ROTARY LAWN MOWER = MODEL NO. 917.378170 REPAIR PARTS CRAFTSMAN KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 !4 15 16 17 18 19 20 21 22 23 22" ROTARY PART NO. 851509 STD541425 48029 750029 133049 83691 750097 87930 54338 61528 STD582087 74!89 850922 88284X004 87877 8510!9X004 851021X004 85! 226 86274 86273 76401 74507 STD581050 LAWN MOWER - MODEL NO. 917.378170 DESCRiPTiON KEY NO. Control Bar Locknut 1/4-20 Control Head K_t Screw #10 x 20 x 2 Control Cable Assembly V-Belt Hex Washer Head Screw #10-24 x 1/2 Clip Guide (Housing) He× Head Bolt 1/4-20 x 2-3/4 Flat Head Machine Screw 1/4-20 x 3/4 Retaining Ring Locknut #t0-24 Wheel Adjusting Bracket Axle Arm Assembly Selector Knob Selector Spring (Left) Selector Spring (Right) Washer Belleville Washer Bearing Spacer Dust Cover -Pinion E-Ring 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 PART NO. 87729 86960 52160 85179 77400 132333 87866 750097 750293 750108 83700 48269 STD582043 83681 STD580009 75192 STD580014 83632 751001 48175 48174 86012 851552 DESCRiPTiON Wheel & Tire Assembly 8.00 x 1.75 Wheel Bushing Flat Washer Retainer Clip Hubcap Drive Cover Decal Pan Head Tapping Screw #10-24 x 2 3/4 Hex Washer Head Screw #10-24 x 1/2 Drive Cover Hex Washer Head Screw #10.24 x 3/8 Cable Clamp Drive Control Cable Kit Retaining Ring Drive Pulley Woodruff Key #213 Spring Woodruff Key #3 Spring Gear Case Assembly (Complete) Wheel Adjuster Assembly (Left) Wheel Adjuster Assembly (Right) Drive Shaft Cover Pan Head Hi Lo Screw #10-!6 x .63 CRAFTSMAN 4oCYCLE ENGINE MODEL NUMBER 1,)3.424072 20 CRAFTSMAN REF PART NO. NO. 4°CYCLE ENGINE REF PART NO. NO. DESCRiPTiON 1 35010 2 26727 6 33734 7:34214A 8 9 12A 12B 14 15 16 17 18 19 20 3O 40 41 42 43 45 46 48 50 52 69 70 72 73 75 8O 81 82 83 84 86 89 9O 92 93 100 101 103 110 119 120 125 i .... 126 MODEL NUMBER t43,424072 CylinderAssy. (IncL Ref. #2 & 20) Pin, Dowel Element, Breather Breather Assembly (includes Reference #6, 8, 9, 12A and 12B) 33735 * Gasket, Breather 30200 Screw, Sems, Hex Washer Head, Serf-Tapping #10-24 x 9/16 33886 Tube, Breather 34695 Elbow, Breather Tube 28277 Washer, Flat 30589 Rod, Governor (Includes Ref. #14) 31383A Lever, Governor 31335 Clamp, Governor Lever 650548 Screw, Hex Wash. Hd. #8-32 x 5/16 31361 Spring, Extension 32600 Seal, Oil 35996 Crankshaft Assembiy 35544 Piston, Pin & Ring Assembly, Std. 35545 Piston, Pin & Ring Assy..010 over 35546 Piston, Pin & Ring Assy..020" over (Assemblys Include #41,42 and 43) 35541 Piston & Pin Assembly, Standard 35542 Piston & Pin Assembly .010" over 35543 Piston & Pin Assembly .020" over (Assemblys Include Reference #43) 35547 Ring Set, Piston, Standard 35548 Ring Set, Piston .010" oversize 35549 Ring Set, Piston °020" oversize 20381 Ring, Piston Pin Retaining 30963B RodAssy., Connecting (Incl. #46) 326IOA Bolt, Connecting Rod 27241 Valve, Lifter 33148A Camshaft, Compression Release 29914 Pump Assembly, Oil 35261 *Gasket, Mounting Flange 34311C Flange, Mounting (_ncludes Reference #72, 73, 75 and 80) 30572 Plug, Oil Drain (includes Ref. #73) 28833 * Gasket, Oil Drain Plug (Not Required With Plastic Oil Plug) 27897 Seal, Oil 30574 Shaft, Governor 30590A Washer, Flat 30591 Gear Assy., Governor (Incl. No. 81) 30588A Spool, Governor 29193 Ring, Retaining 650488 Screw, Seres, Hex 1/4-20 x 1-1/4 611004 Key, Flywheel 611112 Flywheel 650815 Washer, Belleville 650816 Nut, Flywheel 34443A Solid State Assembly 610118 Cover, Spark Plug 650814 Screw, Sems, Torx T-15, Hex Washer Head #10-24 x 1 34961 Wire, Ground 33015A * Gasket, Cylinder Head 34342 Head, Cylinder 293!3C Valve, Exhaust, Standard Size 29315C Valve, Exhaust, 1/32" oversize 29314B Valve, tntake, Standard Size 29315C ................... Ma!ye, intake, 1/32" oversize (All Vatves include Reference #15!) 130 6021A 135 35395 150 151 169 172 174 !78 182 184 185 186 189 31672 31673 27234A 32755 650128 29752 6201 26756 31384A 32653 650839 190 191 192 I93 194 195 207 216 223 224 238 35831 35040B 34966 34965 32309 610973 34336 33086 650451 34690A 650932 239 241 245 250 260 262 34338 35797 35066 35065 35393 650831 275 27181B 277 650795 285 35000 287 650884 290 30705 292 26460 298 28763 300 34369A 301 305 306 307 309 35355 35577 34265 35499 650562 310 313 327 380 390 400 35578 34080 35392 632046A 59O686 33238D RPM Setting: * DESCRiPTiON Screw, Hex FJange 5/16=18 x 1-1/2 Spark Plug, Resistor (Champion RJ-19LM or equivalent) Spring, Valve Cap, Lower Valve Spring * Gasket, Valve Spring Box Cover, Valve SpdngBo× Screw, Seres, HexNd. #t0-24 x !/2 Nut & Lock Washer 1/4-28 Screw, Cap, Hex Hd. t/4-28 × 7/8 * Gasket, Carburetor Pipe, intake (includes Refo #224) Link, Governor Spring Screw, Seres, Hex Head, Powedok 1/4-20 x 3/8 Lever, Brake Bracket, S.E. 8rake (Includes #195) Link, Control Spring, Extension Ring, Retaining Terminal Assembly Link, Throttle Lever, RPM Adjusting Screw, Serns, Hex Head 1/4_20 x 1 * Gasket, intake Pipe Screw, Hex Washer Head, Shoulder #10-32 x 49/64 * Gasket, Air Cleaner Collar, Air Cleaner Filter, Air Cleaner, Paper Cover, Air Cleaner Housing, Blower Screw, Hex Washer Head, Powedok Thread t/4-.20 x 15/32 Muffler Assembly (Hnc]udes #277) Screw, Hex Head 1/4o20 x 2-1/4 Hub, Starter Screw, Hex Wash. Hd. #8-32 x 1/2 Line, Fuel Clamp, Fuel Line Screw, Hex Washer Head, Shakeproof #t0-32 x 35/64 'Tank Assembly, Fuel (h_c&ades Reference Numbers 292 and 301) Cap, Fuel Tube, Oii Fitl Gasket, Fiii Tube "O" Ring Screw, Hex Washer Head, Shakeproof #10_32 x 1/2 Dipstick, Oil-Fi!t Spacer, Ftywhee! Key Plug, Starter Carburetor (Includes Refo #t84) Starter, Rewind Gasket Set (incL items marked *) High Speed; 2900-3200 indicates Parts Included in Gasket Set, Refo #400 NOTE: All component dimensions 1 inch = 25.4 mm 21 given in U.S. inches CRAFTSMAN CARBURETOR 4-CYCLE ENGINE MODEL NO. 632046A NO. REF NO. PART ._ _"_ 1 2 631615 631767 _ 4 5 831184 631971 7 16 25 650506 632527 631700 28 27 632019 631024 29 30 631028 631021 31 35 40 44 48 631022 632047 631937A 631334 831027 16 r_ ,_ NUMBER 143.424072 48/0 1 L DESCRIPTION Throttle Shaft and Lever Assembly Throttle Return Spring Dust Seat Washer Dust Seal Throttle Shutter Throttle Shutter Screw Fuel Fitting Float Bowl Shaft, Float Float "O" Ring, Float Bowl to Body Inlet Needle, Seat and Clip (Includes Reference Number 31) Spring Clip Primer Bulb/Retainer Ring High Speed Bow! Nut Bowl Nut Washer Welch Plug, Atmospheric Vent NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm REWIND STARTER NO, 590686 REF PART NO. NO, - 1 2 3 4 5 6 7 8 9 10 tl 590686 590599A 590600 590615 590601 590598 590616 590617 590618 590619 590620 590687 I2 13 590535 590452 NOTE: _3 22 DESCRIPTION Starter, Rewind Pin, Spring (Includes Reference #4) Washer Retainer Washer Spring, Brake Dog, Starter Spring, Dog Pulley Spring, Rewind Cover, Spring Housing Assembly, Starter, 40 ° Grommet Rope, Starter (98" long, 9/64" dia.) Handle, Starter Ali component dimensions given in U.S. inches 1 inch = 25.4 mm TROUBLES OOTING POINTS PROBLEM CAUSE Does not start I. 2. 3. 4. Dirtyair filter. Out of fuel Stale fuel. Water in fuel 1. 2. 3. 4. Clean/replace air fitter. Ftlt fuel tank. Drain tank and refiI_ with fresh clean fuel. Drain fuel tank and carburetorand refill tank with fresh 5. 6. 7. 8. 9. Spark plug wire is disconnected. Bad spark plug. Loose blade or broken blade adapter. ControI bar in released position Control bar defective 5. 6. 7. 8. 9. gasoline. Connect wire to plug. Replace spark plug. Tighten btade bolt or replace blade adapter. Depress control bar to handle. ReptacecontroJ bar. 1. 1. Set in "Higher Cut" position. 2. 3. 4. 5. 6. Rear of lawn mower housing/blade dragging in heavy grass. Cutting too much grass. Dirty air fiIter. 8uitdup of grass, leaves and trash under mower. Too much oil in engine. Walking speed too fast. 2. 3. 4. 5. Set in "Higher Cut" position. Clean/replace air fiIter. Clean underside of mower housing. Check oil level. 6. Cut at slower walking speed. Poor cut - uneven 1, 2, 3. 4. Worn, bent or loose blade. Wheel heights uneven. Lowengine speed. Buiidup of grass, leaves, and trash under mower. t. 2. 3. 4. Replace blade. Tighten blade bolt. Set all wheels at same height. Set engine speed controt in HIGH position. Clean underside of mower housing. Excessive vibration 1. 2. Worn, bent or loose b_ade. Bent engine crankshafL t. 2. Replace blade. Tighten blade bolt. Contact Sears Service Department. Starter rope hard to pull 1. Engine flywheel brake is on when control bar is released. 1. 2. 3. 4. Bent engine crankshaft Blade adapter broken. Blade dragging in grass. 2. 3. 4. Depress control bar to upper handle before pu_ling starter rope. Contact Sears Service Department. Reptace btade adapter. Move tawn mower to cut grass or to hard surface to start engine. I. Drive wheels not turning with drive control engaged. 2. Belt not driving. 1. 2. Adjust or replace drive controt cable, if broken. Put beIt on pulleys or replace belts if broken. t. 2. Cutting height too low. Lift on blade worn off. t. 2, Raise cutting height. Replace blade. 3. Catcher not venting air. 3. Clean grass catcher. t. 2. 1. 2. 3. Grass is too high or wheel height is too bw. Rear of lawn mower housing/blade dragging in grass. Grass catcher too fuIt. 4. Handle height position not right for you. Raise Raise setting Empty Adjust Loss of power Loss of drive Grass catcher not filling (ff so equipped) Hard to push CORRECTION 23 3. 4. cutting height. rear of lawn mower housing one (1) higher. grass catcher. handle height to suit. ® OW ER'S UAL 3.5 HORSEPOWER 22" SIDE DISCHARGE POWER PROPELLED ROTARY LAWN MOWER Each Lawn Mower has its own mode] number. engine has its own model number. MODEL NO. 917.378170 Each The model number for your lawn mower will be found on a decal attached to the rear of the lawn mower housing. The model number for the engine wit! be found on the Blower Housing of the engine adjacent to the spark plug. All parts listed here in may be ordered through Sears, Roebuck and Co. Service Centers and most Retail Stores. WHEN ORDERING REPAIR PARTS, ALWAYS GiVE THE FOLLOWING iNFORMATiON: , PRODUCT- "ROTARY LAWN MOWER" . MODEL NUMBER - 9t7.378170 HOW TO ORDER REPAmR PARTS - ENGINE - CRAFTSMAN - MODEL NUMBER 143.424072 , PART NUMBER o PART DESCRIPTION Your Sears merchandise has added value when you consider that Sears has service units nationwide staffed with Sears trained technicians...professionai technicians specifically trained on Sears products, having the parts, tools and the equipment to insure that we meet our pledge to you, we service what we sell. t32421 08/05/91 Printed in U.S.A.
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