Craftsman 917379590 User Manual ROTARY MOWER Manuals And Guides L9910333
CRAFTSMAN Walk Behind Lawnmower, Gas Manual L9910333 CRAFTSMAN Walk Behind Lawnmower, Gas Owner's Manual, CRAFTSMAN Walk Behind Lawnmower, Gas installation guides
User Manual: Craftsman 917379590 917379590 CRAFTSMAN ROTARY MOWER - Manuals and Guides View the owners manual for your CRAFTSMAN ROTARY MOWER #917379590. Home:Lawn & Garden Parts:Craftsman Parts:Craftsman ROTARY MOWER Manual
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Owner's Manual CRRFTXHRN° 6.75 HORSEPOWER 22" REAR DISCHARGE _' POWER PROPELLEI_ ROTARY LAWN MO_/_i_ Model No. 917.379590 • • • • • • Safety Assembly Operation Maintenance EspaSol Repair Parts CAUTION: Read and follow all Safety Rules and Instructions before operating this equipment Sears, Roebuck and Co., Hoflman Estates, IL 60179 Vis_,_o_ Great, mart websi_:e:www sears,com/craltsman Warranty Safety Rules Assembly Operation Maintenance Schedule Maintenance LIMITED TWO YEAR WARRANTY 2 2 4 6 10 10 Product Specifications Service and Adjustments Storage Troubleshooting Repair Parts Parts Ordering ON CRAFTSMAN POWER 11 14 16 17 37 Back Cover MOWER For two years 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 will 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. o Repairs necessary because of operator abuse or negligence, including bent crankshafts and the failure to maintain the equipment according to the instructions contained in the owner's manual. 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 is 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, ROEBUCKAND CO., D/817 WA, HOFFMAN ESTATES, ILLINOIS 60179 Safety standards presence controls risk of injury. Your with such controls. defeat the function presence controls circumstances. TRAINING: • Do not operate mower if it has been dropped or damaged in any manner. Always have damage repaired before using your mower. • Do not use accessory attachments that are not recommended by the manufacturer. Use of such attachments may be hazardous. • The blade turns when the engine is running. require operator to minimize the unit is equipped Do not attempt to of the operator under any • Read this operator's manual carefully. Become familiar with the controls and know how to operate your mower properly. Learn how to quickly stop mower. • Do not allow children to use your mower. Never allow adults to use mower without PREPARATION: proper instructions. • Keep the area of operation clear of all persons, especially small children and pets. • Use mower only as the manufacturer intended and as described in this manual. 2 • Always thoroughly check the area to be mowed and clear it of all stones, sticks, wires, bones, and other foreign objects. These objects will 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. • Check fuel tank before starting engine. Do not fill gas tank indoors, when the engine is running or when the engine is hot. Allow the engine to cool for several minutes before filling the gas tank. Clean off any spilled gasoline before starting the engine. • Always make wheel height adjustments before starting your mower. Never attempt to do this while the engine is running. • Mow only in daylight or good artificial light. • 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 AND STORAGE: • Check the blade and the engine mounting bolts often to be sure they are tightened properly. • Check all bolts, nuts and screws at frequent intervals for proper tightness to be sure mower is in safe working condition. 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 hold on the handles and walk. • Keep all safety devices in place and working. • To reduce fire hazard, keep the engine free of grass, leaves or excessive grease and oil. • Check grass catcher often for deterioration and wear and replace worn bags. Use only replacement bags that are recommended by and comply with specifications of the manufacturer of your mower. • Always keep a sharp blade on your mower. • Allow engine to cool before storing in any enclosure. • Never store mower with fuel in the tank • Do not put hands or feet near or under rotating parts. Keep clear of the discharge opening at all times. • Always stop the engine whenever you leave or are not using your mower, or before crossing driveways, walks, roads, and any gravel--covered areas. • Never direct discharge of material toward bystanders nor allow anyone near the mower while you are operating it. • 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. • Do not continue to run your mower if you hit a foreign object. Follow the procedure outlined above, then repair any damage before restarting and operating you mower. 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. _ Look for this symbol to point out important safety precautions. It means CAUTION!H BECOMEALERT!!! YOUR SAFE]Y • 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. Exhaust fumes are dangerous. IS INVOLVED. _CAUTION,: Always disconnect spark plug wire an(] place wire where it cannot contact spark plug in order to prevent accidental starting when setting up, transporting, adjusting or making repairs. _WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. 3 These acceasories were available when this lawn mower was produced. They are not sidpped with your mower. They are also available at most Sears retail outlets 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 accessonas may not apply to your lawn mower, LAWN MOWER PERFORMANCE CLIPPING DEFLECTOR FOR REAR DISCHARGE LAWN MOWERS MULCHER KITS GRASS CATCHERS FOR REAR DISCHARGE LAWN MOWERS STABIUZER FOR SIDE DISCHARGE GRASS LAWN CATCHERS MOWERS GAS CANS LAWN MOWER MAINTENANCE MUFFLERS BELTS AIR FILTERS BLADES, BLADE ADAPTERS SPARK PLUGS WHEELS ENGINE OIL TO REMOVE LAWN MOWER FROM CARTON Read these instructions and this manual in its entirety before you attempt to assemble or operate your now lawn mower. IMPORTANT: This lawn mower is shipped WITHOUT OIL OR GASOUNE in the engine. Your new lawn mower has been assembled • Remove loose parts included with mower. • Cut down two end comers of carton and lay end panel down fiat. • Remove all packing materials except padding between upper and lower handle and padding holding operator presence control bar to upper handle. • Roll lawn mower out of carton and check at the factory with the exception of those parts left unassembled for shipping purposes. All parts such as nuts, washers, belts, etc., necessary to complete the assembly have been placed in the parts bag. To ensure safe and proper operation of your lawn mower, all parts and hardware you assemble must be tightened securely, Use the correct tools as necessary to ensure proper tightness. carton thoroughly for additional loose parts. 4 HOWTO SET UPYOUR LAWN MOWER TO INSTALL A'I-rACHMENTS TO UNFOLD HANDLE Your lawn mower was shipped ready to be used as a mulcher. To convert to bagging or discharging: • Open rear door and remove mulcher plug. Store mulcher plug in a safe place. • You can now install catcher or optional clipping deflector. • To return to mulching operation, install mulcher plug into dischan:je opening of mower. Be sure all tabs are seated IMPORTANT: Unfold handles carefully so as not to pinch or damage control cables. • Raise handles until lower handle section locks into place in mowing position. • Remove protective padding, raise upper handle section into place on lower handle and tighten both handle knobs. • Remove handle padding holding operator presence central bar to upper handle. • Your lawn mower handle can be adjusted for your mowing comfort. Refer to "Adjust Handle" in the Service and Adjuslment section of this manual. properly. Operator presence bar Upper handle _ Uft up Mulcher plug _CAUTION: Do not run your lawn mower without mulcher plug in place or approved clipping deflector or grass catcher in place. Never attempt to operate the lawn mower with the rear door removed or propped open. Mowing position Lower handle 5 KNOWYOUR LAWN MOWER READ THIS OWNER'S MANUALAND SAFETY RULES BEFORE OPERATING YOUR LAWN MOWER. Compare the illustrations with your lawn mower to familiarize yourself with the location of various controls and adju§tments. Save,,this manual for future reference. Thesesymbolsram/_0pe_ron yourI_vn mow_ or in literaturesuppliedwiththe pmducLLeam_:1 _ there_ing. CAUTION OR WARNING ENGINE ON ENGINE FAST SLOW CHOKE OFF FUEL OIL DANGER, KEEP HANDS AND FEET AWAY II Engine zone COntrol cable Operator presence control bar Drive control lever Starter handle Grass Engine oil Mulcher plug cap w/ dipstick Housing cover Gasoline cap Primer IMPORTANT: This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine. Wheel adjuster (on each wheet) 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. Drive control lever - used to engage powerpropelled forward motion of lawn mower. Mulcher plug - must be removed to convert to bagging or discharging operation. Operator presence control bar - must be held down to the handle to start the engine. Release to stop the engine. Primer - pumps additional fuel from the carburetor to the cylinder for use when starting a cold engine. Starter handle - used for starting the engine. 6 TO ATrACH The operation of any lawn mower can result in foreign objects thrown into the eyes, which can result in severe eye damage. Always wear safety glasses or eye shields while operating your lawn mower or performing any adjustments or repairs. We recommend a wide vision safety mask over spectacles or standard safety glasses. HOWTO USEYOUR • Close the lifttop lid. Lift top lid must be dosed while operating lawn mower. • Lift the rear deer on the mower housing and place the grass catcher frame onto the formed tabs on the rear door hinge bracket, • The grass catcher is secured to the lawn mower housing when the rear door is lowered onto the grass catcher frame. CAUTION: Do not run your lawn mower without clipping deflector or approved grass catcher in place. Never attempt to operate the lawn mower with the rear door removed or propped open. LAWN MOWER ENGINE SPEED The engine speed was set at the factory for optimum performance. Speed is not adjustable. ENGINE ZONE CONTROL Hinge Rear door _CAUTION: Federal regulations require an engine control to be installed on this lawn mower in order to minimize the risk of under any defeat the The blade running. Grass catcher frame blade contact injury. Do not circumstances attempt to function of the operator control. turns when the engine is Formed tabs • Your lawn mower is equipped with an operator presence control bar which requires the operator to be positioned behind the lawn mower handle to start and operate the lawn mower. TO ADJUST cuTrlNG HEIGHT TO EMPTY GRASS CATCHER • To remove grass catcher, release operator presence control bar to stop engine. • Lift up rear door and remove the grass catcher by the handle. NOTE: Do not drag the bag when emptying; it will cause unnecessary wear. • Raise wheels for low cut and lower wheels for high cut. • Adjust cutting height to suit your requirements. Medium position is best for most lawns. • To change cutting height, squeeze adjuster lever toward wheel. Move wheel up or down to suit your requirements. Be sure all wheels are in the same setting. NOTE: Adjuster is properly positioned when plate tab inserts into hole in lever. Also, 9-position adjusters (if so equipped) allow lever to be positioned between the plate tabs. Plate Tab Lower Wheels for High Cutr ._._. GRASS CATCHER _ ,ever Raise Wheels for Low Cut 7 DRIVE GAS CONTROL. • Self-propelling is controlled by holding the operator presence control bar down to the handle and pushing the drive control lever forward until it clicks; then release the lever. • Forward motion will stop when the operator presence control bar is released. To stop forward motion without stopping engine, release the operator presence control bar slightly until the drive control disengages. Hold operator presence control bar down to handle to continue mowing without selfpropelling. • To keep drive control engaged when turning corners, push down on handle and lift front wheels off ground while turning lawn mower. Operator presence control bar ,,,, %,\ ./_ _X X . \ Drive control • Fill fuel tank. Use fresh, clean, regular unleaded gasoline with a minimum of 87 octane. Do not mix oil with gasoline. Purchase fuel in quartzes that can be used within 30 days to assure fuel freshness. WARNING: Experience indicates that alcohol blended fuels (called gasohot 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 of 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. Sea Storage InstTuctions for additional information. Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur. Gasoline filler cap To engage drive control Engine oil cap Drive control disengaged BEFORE STARTING ENGINE OIL Your lawn mower is shipped without oil in the engine. • Be sure mower is level and area around oil fill is dean. • Remove engine oil cap and fill to the full line on the dipstick. NOTE: Allow oil to settle down into engine for accurate dipstick reading TO START ENGINE • To start a cold engine, push primor three (3) times before trying to start. Use a firm push. This step is not usually necessary when starting an engine which has already run for a few minutes. • Hold operator presence control bar down to the handle and pull 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 priming steps. • Engine holds 27 ozs. of oil. For type and grade of oil to use, see "ENGINE" in Maintenance section of this manual. • Pour oil slowly. Do not over fill. • Check oil level before each use. Add oil if needed. Fill to full line on dipstick. • To read proper level, tighten engine oil cap each time. • Reinstall engine oil cap and tighten. • Change the oil after every 25 hours of operation or each season. You may need to change the oil more often under dusty, dirty conditions. 8 MOWING 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. It may also be necessary to reduce ground speed and/or run the lawn mower over the area a second time, MULCHING MOWING TIPS IMPORTANT: For best performance, keep mower housing free of built-up grass and trash. See "Cleaning" in Maintenance section of this manual. The special mulching blade will recut the grass clippings many times and reduce them in size so that as they fall onto the lawn they will disperse into the grass and not be noticed. Also, the mulched grass will biedegrade quickly to provide nutrients for the lawn. Always mulch with your highest engine (blade) speed as this will provide the best recuttJng action of the blades. Avoid cutting your lawn when it is wet. Wet grass tends to form dumps and interferes with the mulching action. The best time to mow your lawn is the early afternoon. At this time the grass has dried and the newly cut area will not be exposed to the direct sun. For best results, adjust the lawn mower cutting height so that the lawn mower cuts off only the top one-third of the grass blades. If the lawn is overgrown it will be necessary to raise the height of cut to reduce pushing effort and to keep from overloading the engine and leaving clumps of mulched grass. For extremely heavy mulching, reduce your width of cut by overlapping previously cut path and mow slowly. Certain types of grass and grass conditions may require that an area be mulched a second time to completely hide the clippings. When doing a second cut, mow across or perpendicular to the first cut path. Change your cutting pattem from week to week. Mow north to south one week then • For extremely heavy cutting, reduce the width of cut by overlapping previously cut path and mow slowly. • For better grass bagging and most cutting conditions, the engine speed should be set in the fast position. • When using a rear discharge lawn mower in moist, heavy grass, clumps of cut grass may not enter the grass catcher. Reduce ground speed (pushing speed) and/or run the lawn mower over the area a second time. • If a trail of clippings is left on the right side of a rear discharge mower, mow in a clockwise direction with a small overlap to collect the clippings on the next pass. • Pores in cloth grass catchers can become filled with dirt and dust with use and catchers will collect less grass. To prevent this, regularly hose catcher off with water and let dry before using. • Keep top of engine around starter clear and clean of grass clippings and chaff. This will help engine air flow and extend engine life. change to east to west the next week. This will help prevent matting and graining of the lawn. Max I/3 9 MA,NTENANCE SC.EDULE FILL tN DATES _ AS YOU COMPLETE M O IE R Check for Loose Fasteners Clean/Inspect Grass Catcher (If Equipped) Clean Lawn Mower _.lb DATES II/ I_ _ ll/ I_ Check/Sharpen/Replace Blade 1_3 LubriCationChart Glean Bakery/Recharge /Electric Start iowers_ I_ 11# I/ IW#'4 Check En_line Oil Level I/'1.2 I_ Inspect Muffler I_1 Clean Air Filter Clean or Replace Spark Plug 1_2 E i Replace Air Filter Paper Cartridge V'2 123 4- q.._ ,_ 'Of_SERVlCE !_ (Power-Propelled Clean Under DriveMowers) Cover Check drive belt/pulleys Power-Propelled Mowers) Change Engine Oil i _ .#___._"_ Change more often when operating under a heavy load or in high ambient temperatures, Sen/ice more often when operating in dirty or dusty conditions, Replace blades more often when mowing in sandy soil. Charge 48 hours at end of season. GENERAL RECOMMENDATIONS LUBRICATION The warranty on this lawn mower does not cover items that have been subjected to operator abuse or negligence, To receive full value from the warranty, operator must maintain mower as instructed in this manual. ine oil 13) Wheel adjuster \ 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. __ t \,,.J) • Once a year, replace the spark plug, replace air filter element and check blade for wear. A new spark plug and clean/new air filter element assures proper air-fuel mixture and helps your engine run better and last longer. • Follow the maintenance schedule in this manual. BEFORE EACH USE ! Rear door hinge 1_ Handle bracket mounting pin (_) Spray lubricant (_) Refer to Maintenance "ENGINE" section, • Check engine oil level. • Check for loose fasteners. LUBRICATION Keep unit well lubricated TION CHART"). CHART (See "LUBRICA- 10 IMPORTANT: Do not oil or grease plastic wheel bearings. Viscous lubricants will attract dust and dirt that will shorten the life of the serf lubricating bearings. If you feel they must be lubricated, use only a dry, powdered graphite type lubdcant sparingly. PRODUCT SPECIFICATIONS MODEL NUMBER SERIALNUMBER 917.379590 DATE OF PURCHASE HORSEPOWER: 6.75 GASOLINE 1.5 QUARTS UNLEADED OILTYPE CAPACITY/TYPE: (API-SF/SG/SH): SAE 30 (ABOVE 32°F) OIL CAPACITY: SPARK PLUG IGAP: VALVE CLEARANCE: REGULAR .030") SAE 5W-30 27 OZS. (BELOW CHAMPION INTAKE: EXHAUST: RJ19LM OR Jt 9LM .004 - .008 .004 - .008 SOLID STATE IGNITION AIR GAP: .0125 IN. BLADE BOLT TORQUE: 35-40 FT. LBS. 32°F) • The model and serial numbers will be found on a decal attached to the rear of the lawn mower housing.Record both serial number and date of purchase in space provided above. LAWN MOW__R Always observe safety rules when performing any maintenance. TIRES 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. • Keep tires free of gasoline, oil, or insect control chemicals which can harm rubber. TO REPLACE • Avoid stumps, stones, deep ruts, sharp objects and other hazards that may cause tire damage. BLADE CARE For best results, mower blade must be kept sharp, Replace bent or damaged blades, TO REMOVE BLADE • Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with spark plug. • Turn lawn mower on its side. Make sure air filter and carburetor are up. • Use a wood block between blade and mower housing to prevent blade from turning when removing blade bolt. • Protect your hands with gloves and/or wrap blade with heavy cloth. • Remove blade bolt by turning counterclockwise. BLADE • Position the blade adapter on the engine crankshaft. Be sure key in adapter and crankshaft keyway are aligned. • Position blade on the blade adapter aligning the two (2) holes in the blade with the raised lugs on the adapter. • Be sure the trailing edge of blade (opposite sharp edge) is up toward the engine. • Install the blade bolt with the lock washer and hardened washer into blade adapter and crankshaft. • Use block of wood between blade and lawn mower housing and tighten the blade bolt, turning clockwise. • The recommended tightening torque is 35-40 ft. Ibs. • Remove blade and attaching hardware (bolt, lock washer and hardened washer). 11 IMPORTANT: treated. Blade bolt is grade 8 heat TO SHARPEN BLADE NOTE: We do not recommend sharpen- ing blade - but if you do, be sure the blade is balanced. Care should be taken to keep the blade balanced. An unbalanced blade will cause eventual damage to lawn mower or engine. • The blade can be sharpened with a file :or on a grinding wheel. Do not attempt to sharpen while on the mower. • To check blade balance, drive a nail into a 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. Crank shaft Blade _ adapter Key _ _ keyway _'-_(_._ A_=wm== _._'_=_ • 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 authorized service center. GEAR CASE • 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. • The gear case is filled with lubricant to the proper level at the factory. The only time the lubricant needs attention is if service has been performed on the gear case. • If lubricant is required, use only Texaco Starplex Premium 1 Grease, Part No. 750369, Do not substitute. ENGINE LUBRICATION Use only high quality detergent oil rated with API service classification SF, SG or SH. Select the oil's SAE viscosity grade according to your expected operating temperature. SAE VISCOSITY bolt / "_'' Lock' \ washer Hardened washer GRASS '_ I.,.i Trailin edge _"" shaft 13lade adapter CATCHER • 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. Give the lawn mower model number when ordering. DRIVE WHEELS GRADES -20' .30° .20• TEMPERATURE 0' 30, RANGE ANTICIPATED BEFORE NEXT OIL GHANGE NOTE: Although multi-viscosity oils (5W30, 10W30 etc.) improve starting in cold weather, these multi-viscosity oils will result in increased oil consumption when used above 32°F. Check your engine oil level more frequently to avoid possible engine damage from running low on oil. Change the oil after every 25 hours of operation or at least once a year if the lawn mower is not used for 25 hours in one year. Check front drive wheels each time before Check the crankcase oil level before you mow to be sure they move freely. starting the engine and after each five (5) The wheels not turning freely means hours of continuous use. -i3ghten oil plug trash, grass cuttings, etc. are in the drive securely each time you check the oil wheel area and must be cleaned to free level. drive wheels. If necessary to clean the drive wheels, check both front wheels. Remove hubcaps, hairpin cotters and washers. • Remove wheels from wheel adjusters. 12 TO CHANGE ENGINE OIL MUFFLER NOTE: Before tipping lawn mower to drain oil, drain fuel tank by running engine until fuel tank is empty. Inspect end replace corroded muffler as it could create a fire hazard end/or damage. SPARK PLUG • Disconnect spark plug wire from spark plug end place wire where it cannot come in contact with spark plug. • Remove engine oil cap; lay aside on a clean surface. Change your spark plug each year to make your engine start easier and run better. Set spark plug gap at .030 inch. CLEANING • Tip lawn mower on its side as shown end drain oil into a suitable container. Rock • • • • lawn mower back and for_ to remove any oil t_ped inside of engine. Wipe off any spilled oil on lawn mower and on side of engine. Fill engine with oil. Fill only to the "FUll" line on the dipstick. DO NOT overfill. Replace engine oil cap. Reconnect spark plug wire to spark plug. ner AIR RLTER 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. TO CHANGE AIR FILTER • Loosen cover knob. • Swing cover down and remove from hinge. • Pull paper filter out of air cleaner body. • Clean air cleaner cover and body. • Install a new paper filter. • Reinstall cover to air cleaner body. Be sure hinge is assembled properly. • Swing cover up and tighten cover knob. (Do not overtighten). Hil _ IMPORTANT: For best performance, keep mower housing free of built-up grass and trash. Clean the underside of your mower after each use. Disconnect spark plug _,CAUTION: wire from spark plug and place wire where it cannot come in contact with the spark plug. • Turn lawn mower on its side. Make sure air filter end carburetor are up. Clean the underside of your lawn mower by scraping to remove build-up of grass end trash. • Clean engine often to keep trash from accumulating. A dogged engine runs hotter and shortens engine life. • Keep finished surfaces end 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 end carburetor are covered to keep water out. Water in engine can result in shortened engine life. CLEAN UNDER DRIVE COVER Clean under drive cover at least twice a season. Scrape unders'de of cover with putty knife or similar tool to remove any build-up of trash or grass on underside of drive cover. r cover Paper filtei" Cover knob 13 j0_CAUTION: Before performing any service and adjustments: Release control bar and stop engine. Make sure the blade and all moving parts have completely stopped. Disconnect spark plug wire from spark plug and place where it cannot come in contact with plug. LAWN MOWER TO ADJUST CUFFING HEIGHT See 'q-O ADJUST CUB-ING HEIGHT" in the Operation section of this manual. REAR DEFLECTOR The roar deflector, attached between the roar wheels of your lawn mower, is provided to minimize the possibility that objects will be thrown out the rear of the lawn mower into the operator's mowing position. If the rear deflector becomes damaged, it should be replaced. TO REMOVF./REPLACE DRIVE BELT • Remove drive cover. Remove belt by pushing down on gear case pulley and roll belt oft. • Turn lawn mower on its side with carbure- • Remove the starter rope guide from the upper handle. • Remove hairpin cotters. • Disconnect the lower handle from the handle brackets. • Turn the handle over and reassemble the hairpin cotters that have been removed. • Reassemble the starter rope guide. • Route cable(s) below crossbar of lower handle and reassemble the controls and the operator presence control bar to the upper handle. co_nCAUTION: The operator presence trol bar must pivot freely to permit blade brake engagement when control bar is released. Do not over tighten the fasteners holding the controls to the upper handle, • To change from medium low to high position only the upper handle section will have to be turned over. • To change from medium low to low position, only the lower handle section will have to be turned over. Shipping position tor and fuel cap up. • Remove blade. • Remove debris shield. • Remove bell from engine pulley on crankshaft. Medium low _. Medium high • Install new belt by reversing above steps. • Always use factory approved belt to assure fit and cover Belt Low High Push down TO ADJUST HANDLE 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. • To change from medium low to medium high position, the upper and lower handle sections will have to be turned over. • Remove the cable dips. • Remove the controls and operator presence control bar from the upper handle. . Squeeze to 14 Lower handle f_'__ bracket 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 the engine is running too fast or too slow, take your lawn mower to an authorized service center for repair and adjustment. CARBURETOR Your carburetor has a non-adjustable fixed main jet for mixture control. If your engine does not operate properly due to suspected carburetor problems, take your lawn mower to an authorized service Sewn hem Tubular frame Sewn hem center for repair and/or adjustment. IMPORTANT: never tamper with the engine governor, which is factory set for proper engine speed. Overspeeding the engine above the factory high speed setting can be dangerous, if you think the engine-governed high speed needs adjusting, contact your nearest authorzed service center, which has proper equipment and experience to make any necessary adjustments. TO ASSEMBLE GRASS CATCHER Flip lid Lower frame .-" must be fully seated) (Frames ,,,_ Tubularframe Insert leg of tubular frame through front opening of grass catcher and thread frame into sewn hem of bag. NOTE: Keep bag hem gathered on the straight leg of the tubular frame. • When frame comes out the other end of Lower frame handle sewn hem, immediately work the end of frame down inside the bag as shown in inset. \ • Slide sewn hem evenly around the tubular frame until both ends of frame \ are exposed out of the front opening. • Assemble lower frame to tubular frame as shown. Be sure handle is outside of bag and frames are fully seated as shown in inset. • Slip vinyl bindings over frame. NOTE: If vinyl bindings are too stiff, hold them in warm water for a few minutes. If bag gets wet, let it dry before using. • Close the flip lid. Flip lid must be closed while operating lawn mower. _,CAUTION: Do not run your lawn M mower without clipping deflector or approved grass catcher in place. Never attempt to operate the lawn mower with the rear door removed or propped open. 15 Immediately prepare your lawn mower for storage at the end of the season or if the unit will not be used for 30 days or more. Operator presence control bar Upper Fold foward LAWNMOWER for storage When lawn mower is to be stored for a period of time, clean it thoroughly, remove all dirt, grease, leaves, etc. Store in a clean, dry area, • Clean entire lawn mower (See "CLEANING" in the Maintenance section of this manual). • Lubricate as shown in the Maintenance section of this manual. • Be sure that all nuts, bolts, screws, and pins are securely fastened. Inspect moving parts for damage, breakage and wear. Replace if necessary. • Touch up all rusted or chipped paint surfaces; sand lightly before painting. HANDLE You can fold your lawn mower handle for storage, • Squeeze the bottom ends of the lower handle toward each other until the lower handle clears the handle bracket, then move handle forward. • Loosen upper handle mounting bolts enough to allow upper handle to be folded back. IMPORTANT: When folding the handle for storage or transportation, be sure to fold the handle as shown or you any damage the control cables. • When setting up your handle from the storage posi'don, the lower handle will automaticaJly lock into the mowing position. Lower handle Handle bracket Squeeze to fold Fold backward Lower handle Mowing position ENGINE FUELSYSTEM IMPORTANT: It is important to prevent gum deposits from forming in essential fuel system parts such as carburetor, f 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. • Drain the fuel tank. • Start the engine and let it run until the fuel lines and carburetor are empty. • Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur, • Use fresh fuel next season, NOTE: Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage. Add stabilizer to gasoline in fuel tank or storage container. Always follow the mix ratio found on stabilizer container. Run engine at least 10 minutes a_er adding stabilizer to allow the stabilizer to reach the carburetor. Do not drain the gas tank and carburetor if using fuel stabilizer. Hairpin cotter 16 ENGINEOIL • Replace your gasoline can 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. • Cover your unit with a suitable proteclJve cover that does not retain moisture. Do not use plastic. Plastic cannot breathe which allows condensaUon to form and will cause your unit to rust. IMPORTANT: Never cover mower while engine and exhaust areas are still warm. _CAUTION: Never store the lawn mo_wer wtth gasoline in the tank ns de a building where fumes may reach an open flame or spark. Allow the engine to cool before storing in any enclosure. Drain oil (with engine warm) and replace with clean engine oil. (See "ENGINE" in the Maintenance section of this manual). CYUNDER • Remove spark plug. • Pour one ounce (29 ml) of oil through spark plug hole into cylinder, • Pull starter handle slowly a few times to distribute oil. • Replace with new spark plug. OTHER • Do not store gasoline from one season to another. TROUBLESHOOTING PROBLEM Does not start CHART CAUSE 1, 2. Dirty air filter. Out of fuel, 3. CORRECTION Stale fuel. 1. 2. 3. Clean/replace air filter, Fill fuel tank. Drain tank and refill with fresh clean fuel. 4. Water in fuel. 4. Drain fuel tank and carburetor and refill tank 5. Spark plug wire is disconnected. 5. 6. 7. Bad spark plug. 6. Loose blade or broken blade 7. with fresh gasoline. adapter. Loss of power 8. Control bar in released 8. 9. position. conb'al bar defective. 91 t. 2. Poor cut- uneven Rear of lawn mower housing 1. or cutting blade dragging in heavy grass. Cutting too much grass. 2. connect wire to plug. Replace spark plug. Tighten blade belt or replace blade adapter. Depress control bar to handle. Replace control bar. Setto "Higher Cut" position. Set to "Higher Cut" 3. 4. Dirty air filter. Buildup of grass, leaves, and trash under mower. 3. 4. posi_on. Clean/replace air filter. Clean underside of mower 5. 6. Too much oil in engine. Walking speed too fast. 5. housing. Check oil level. 6. Cut at slower walking speed. 1. Worn, bent or loose blade. 1. 2. Wheel heights 2. Replace blade. Tighten blade bolt. Set all wheels at same 3. Buildup of grass, leaves and frash under mower. 3. height Clean underside of uneven. 17 mower housing. TROUBLESHOOTING PROBLEM Excessive CHART CAUSE CORRECTION 1. Worn, bent or loose blade, 1. Replace blade. -Sghten blade bolt. 2. Bent engine crankshaft. 2. Contact an authorized service center. Engine flywheel brake is on when control bar is released. 1. Depress control bar to Bent engine crankshaft. 2. Blade adapter broken. Blade dragging in grass. 3. 4. vibration Starter rope hard topull , . 3. 4. upper handle before purling starter rope. Contact an authorized service center. Replace blade adapter. Move lawn mower to cut grass or to hard surface. Loss ofddve Grass catcher not filling ('rfso equipped) Hardtopush 1. 1. Adjust or replace drive control cable. 2. Drive wheels not turning with drive control engaged. Belt not driving 2. Put belt on pulleys er replace belts if broken. 1. 2. Cutting height too low. Lift on blade worn off. 1. Raise cutting height. 3. Catcher not venting air. 2. 3. Replace blade. Clean grass catcher. 1. 1. Raise cutting height. 2. Grass is too high or wheel height is too low. Rear of lawn mower 2. Raise rear of lawn mower 3. housing or blade dragging in grass. Grass catcher too full. 3. housing one (1) setting higher. Empty grass catcher. 4, Handle height position not right for you. 18 4. Adjust handle height to suit. ROTARY LAWN MOWER -- MODEL NO. 917.379590 GEAR CASE ASSEMBLY PART NUMBER 702511 17 7\ 15 14 KEY NO. PART NO. 17490416 2 3 4 6 137055X004 137053 57072 48373 7 8 77881 137051 KEY NO. DESCRIP_ON Tapping Screw 1/4-20 x 1-1/4 Engagement Bracket Shifter Seal Gear Case Halves Kit (Includes Key Nos. 4, 5, and 7) Bearing Worm Shaft 9 10 11 12 13 14 15 16 17 18 19 PART NO. 137074 57079 131484 700343 86447 137050 750436X 750369 12000003 850848 81585X004 NOTE: All component dimensions in U.S. inches. 1 inch = 25.4 mm 37 DESCRIPTION Drive Shaft Hardened Washer Clutch Yoke Bushing Plug Helical Gear Clutch Jaw Grease E-Ring Hi-Pro Key Spring Bracket given ROTARY LAWN MOWER MODEL NUMBER 917.379590 8 27 1 31 22 12 61 44 lO 35 28 29 10_ 32 i 2O 37 55 / 56 52 34 30 29 28 32 51 41 69 q ROTARY LAWN MOWER KEY NO. 1 • 2 4 5 6 8 9 10 11 12 13 14 15 16 17 2O 22 23 25 27 28 29 30 31 32 34 35 37 38 39 40 PART NO. 165451 X479 158152 150425 66426 136376 145793 151023 128415 150050 STD512505 63601 156374X479 700365x47g 133190X479 140661X479 14054O 85543 87677 83923 151138 142748 61651 750913X004 701037 700331X004 146630 750085X007 150078 88348 161814X479 161812X479 DESCRIPTION Upper Handle Engine Zone Control Cable MulcherPlug WireTie HandleKnob Control Bar Rear Door Kit Pop Rivet Self Tapping Screw #10-24 x 5/8 HexTapping Sereww/Sems 1/4-20x 1/2 Nut 1/4 - 20 Back Plate Side Baffle Discharge Baffle Rear Baffle Rear Skirt Engine Pulley Hi-Pro Key #505 Hex Flange Nut Wheel Shoulder Bolt 3/8-16 x 1 Spring Washer Axle Arm Assembly Selector Knob SelectorSpring Spacer Wheel AdjustingBracket Thread Cutting Screw w/Seres 5/16o18 x 3/4 Flat washer 3/8 Handle BracketAssembly (Left) Handle Blacket Assembly (Right) MODEL NUM,-,==, ...... KEY NO. PART NO. 41 44 46 47 48 49 50 51 52 53 55 56 57 58 59 61 62 t 50406 161769 851514 157101 851074 850263 851084 165548 85463 747604612 751592 88652 51793 157081X479 131959 132001 134612 64 ...... 69 - -- 151448 161858 169983 DESCRIPTION Hex Head Thread Roiling Screw 3/8-16 x 1-1/8 Lawn Mower Housing (Incl. Key #14, 15, 51) BladeAdapter Blade 22" Hardened Washer Helical Washer 3/8-24 x 1-3/8 Gr. 8 Hex Head Machine Screw 3/8-24 x 1-3/8 Gr. 8 Front Baffle Kit DangerDecal Hex Bolt 3/8-16x3/4 Locknut 3/8-16 Hinge Screw 1/4-20 x 1-1/4 HairpinCotter Lower Handle Handle Bolt RopeGuide Debris Shield Engine - (See Breakdown) Teeumseh Model 143.996704 Hubcaps Warning Decal (Not Shown) Owner's Manual (E[iglish/Spanfsh) Available accessories not included with lawn mower: -71 33303 Clipping Deflector -71 33623 Gas Can (2.5 gal.) -71 33500 Fuel Stabilizer -71 33027 SAE 30W Oil (27 oz.) - 71 33417 Dust Shield -,7133316 MowerCover ROTARY LAWN MOWER MODEL NUMBER 917.379590 54 18 14 14 41 8 9 13 12 16 ROTARY LAWN MOWER MODEL NUMBER KEY NO. .--L 1 3 4 5 6 8 9 11 12 13 14 15 16 18 26 PART NO. 145755 751152 158755 146527 150495 150182 145212 150340 12000058 137054 88080 88118 67725 701037 143603 DESCRIPTION ControlCable Assembly Locknut#10-24 Pan Head Machine Screw 1/4 x 2.12 V-Belt SpringRetainer Hubcap FlangedNut Wheel & "13re Assembly E-Ring Pinion Dust Cover FeltWasher Washer 1/2 x 1-1/2 x .134 SeFectorKnob Pan Head Tapping Screw #10-24 x 2-3/4 KEY NO. 28 31 32 35 36 37 38 40 41 53 54 55 57 PART NO. 154990 132010 137052 152018 702511 137090 63601 75192 152019 144747 166069 86012 144748 917.379590 DESCRIPTION Drive Cover Hex Flange Nut Drive Pulley Wheel AdjusterAssembly (Left) Gear Case Assembly Spring Nut Spdng Wheel Adjuster Assembly (Right) FrameThroat Grassbag Assembry Driveshaft Cover Grassbag Tube CRAFTSMAN 301 4-CYCLE ENGINE MODEL NO. 143.996704 30O ! 292 261_ _i_¸ 900 151A 12 1 240 45 /135 45 35O 243B \ 251 42 251A 42 CRAFTSMAN KEY NO. 4-C'YCLE PART NO. 1 36177 2 27652 6 36059 9 590568 10 36002 11 36003A 12 32447 12C 36005A 14 28277 15 36006 16 36008 17 313,35 18 651016 19 20 25 36103 36010 37149 26 30 40 650802 36185 40004 40005 36070 41 36071 42 43 45 40006 40007 20381 36023A 46 48 50 52 69 70 32610A 36030 36031A 29914 36032A 37271 75 80 81 82 83 85 86 89 90 91 92 _3 100 101 103 36010 30574A 30590A 30591 36057 36034 650924 611154 611155 611156 650815 650816 34443B 610118 651007 110 119 120 125 36054 36061 36187 36471 126 130 135 150 151 151A 36472 29314C 29315C 6021A 35395 31672 31673 40016A ENGINE DESCRIPTION MODEL NO. 143.996704 KEY NO. Cylinder (Incr. 2,10,12,20 & 125) Dowel Pin Breather Element Screw, 10-24 x 3/4" Breather Valve Body Check Valve Breather Tube Breather Cover & Gasket FlatWasher Governor Rod (Machined) Governor Lever Governor LeverC_amp Screw, Torx T-15, 8-32 x 19/64" Governor Spring Oil Seal BlowerHousing Baffle Ass'y.(_noH95) Screw, 1/4-20 x 5/8" Crankshaft Piston,Pin,Ring Set (Std.) Piston,Pin,Ring Set (.010 aS) Piston & Pin Aes'y.(Std,) (IncL. 43) Piston & Pin Ass'y. (.010 0S)(Inc1.43) Ring Set (Std,) Ring Set (.010 aS) Piston Pin Retaining Ring Connecting Rod Ass'y. (Incl. 46) Connecting Rod Bolt Vatve Lifter Camshaft (MCR) Oil Pump Ass'y. * Mounting Flange Gasket Mounting Flange (Incl. 72 thru 85) Oi_Seal Governor Shaft Washer Governor Gear Ass'y.(Incl.81) Governor Spool Idler Gear Screw, 1/4-20 x 1-9/16" Flywheel Key Flywheel Flywheel Fan BellevilleWasher Flywheel Nut Solid State Ignition Spark PlugCover Screw, Torx T-15, 10 24x 15/16" GroundWire Cylinder Head Gasket Cylinder Head Exhaust Valve (Std.) (Incl. 151) Exhaust Valve (1/32" aS) intake Va_ve (Std.) (incl. 151) Intake Valve (1/32" aS) Screw, 5/16-18 x 1-1/2" Resistor Spark Plug (RJt 9LM) Valve Spring Lower Valve Sphng C_.p intake Valve Seal PART NO. 169 172 174 177 184 186 187A 190 191A 192 193 194 195 198 199 239 27234A 32755 30200 650925A 36183 36009 37148 36013 36012 36016 36015 36014 61(3973 36017 36018 36048 240 36190 243B 651041 245 36046 250 36191 251 650928 251A 650933 255 36193 256 650983 260 36188 261 650737 263A 36192 275 36107A 276 36043 277 650927 285 34449A 267 650926 290 29774 292 26460 300 36189 301 36246 305 36063 307 35499 308 36040 310 36064 346A 28763 347 650898A 35O 36045A 370A 36261 370C 37318 370R 37317 380 640020A 390 590739 4O0 360620 416 36085 417 650821 900 --r DESCRIPTION Valve Spring Box Gasket Valve Spring Box Cover Screw, 10-24 x 9/16" Carburetor Mounting Stud Carburetor Gasket Governor Link Air Baffle Brake Lever Ass'y. Brake Control Lever Brake Control Lever Link Brake Spring Retaining Ring Terminal Ass'y. Brake Control Lever Spring Brake Lever Bushing Carburetor To Air Cleaner Gasket Air Cteaner Body (Incl. 239 & 350) Air Cleaner Stud Air Cleaner Filter Air Cleaner Cover Look Nut 1/4-20 Wing Nut, 1/4-20 Control Plate Screw, 8-32 x 17/32" Slower Housing Screw, !/4-20 x 1/2" Starter Grill Muffler Locking Plate Screw, 5/16-18 x 2-I 1/32" Starter Cup Screw, 8-32 x 21/64" Fuel Line Fuel Line Clamp Fuel Tank (Incl, 301) Fuel Cap Oil Fill Tube "O" Ring Fill Tube Clip Dipstick Screw, 10-32 x 35/64" Screw, 10-32 x 27/64" Pdm_r Lubrication Decal Primer Decal Warning Decal Carburetor (IncL 184 & 239) Rewind Starter Gasket Set (Incl. Items Marked *) Spark Arrestor Kit ( nc 417)(Optional) Screw, 10-32 x 1/2" (Optiona) Reptacement Engine 750819B, order from 71-999 Replacement Short Block 750797B, RPM High 2900 to 3200 NOTE: This engine could have been built with 590702 starter, NOTE: All component dimensions given in U,S. inches 1 inch = 25.4 mm 43 CRAFTSMAN 4-CYCLE ENGINE MODEL NO. 143.996704 14A I I 27'_ I 44 CRAFTSMAN 4-CYCLE KEY NO. ENGINE PART NO. 640020A 1 5 6 7 14A 25 27 28 29 30 32 33 36 37 37A 38 38A 39 40 47 632539 632593 632541 650506 632773 632675A 632544 632543 632548 632709 632672 632673 64OO22 632547 632547 632545 632545 632549 640021 632554 MODEL NO. 143.996704 DESCRIPTION Carburetor (IncL 187B & 239 of Engine Parts List) Throttle Shaft & Lever Assembly Dust Seal Throttle Shutter Throttle Shutter Screw Venturi Float Bowl Float Shaft Float Float Bowl to Body Gasket Inlet Needle & Seat Bowl Drain Screw Bowl DrainWasher Main Nozzle Tube "O" Ring "O" Ring, Main Nozzle Tube Spring, Main Nozzle Tube Spring Float BowlRetainer Main Fuel Jet Welch Plug, Idle MixingWell Am CRAFTSMAN 4-CYCLE ENGINE MODEL NO. 143.996704 13 O--2 KEY NO. PART NO. 1 2 3 4 5 6 7 8 11 590702 590599A 59O600 59O696 59O601 590697 59O698 590699 59070O 590703 12 13 590535 590701 DESCRIPTION Recoil Starter Spring Pin (Incl. 4) Washer Retainer Washer BrakeSpring Starter Dog DogSpring Pulley & Rewind Spring Ass'y, Starter Housing Ass'y. (40 degree grommet) Starter Rope ( 98" X 9/64" dia.) Starter Handle 46 CRAFTSMAN 4-CYCLE ENGINE MODEL NO. 143.996704 _ -----14 1t 12 ! 13 KEY NO. 3 6 7 8 PART NO. DESCRIPTION 590739 590740 590616 590617 590618A 11 590638 12 590535 13 14 590701 590760 Rewind Starter Retainer Starter Dog Dog Spring Pulley & Rewind Spring Ass'y Starter Housing Ass'y (40degreegrommet) Starter Rope (Length 98" x 9/64" dia.) Starter Handle Spring Clip 47 For in-home major brand repair service: Call 24 hours a day, 7 days a week 1-800-4-MY-HOME sM (1-800-469-4663) Para pedir servicio de reparaci6n a domicilio 1-800-676-5811 In Canada for all your service and parts needs call Au Canada pour tout le service ou les pieces 1-800-665-4455 For the repair or replacement parts you need: Call 6 am - 11 pm CST, 7 days a week PartsDirect sM 1-800-366-PART (1-800-366-7278) Para ordenar piezas con entrega a domicilio 1-800-659-7084 For the location of a Sears Parts and Repair Center in your area: Call 24 hours a day, 7 days a week 1-800-488-1222 For information on purchasing a Sears Maintenance Agreement or to inquire about an existing Agreement: Call 9 am - 5 pm, Monday - Saturday 1-800-827-6655 169983 07.27.99 VB Printed in U.S.A.
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