Craftsman 917377912 User Manual ROTARY MOWER Manuals And Guides L0070109
CRAFTSMAN Walk Behind Lawnmower, Gas Manual L0070109 CRAFTSMAN Walk Behind Lawnmower, Gas Owner's Manual, CRAFTSMAN Walk Behind Lawnmower, Gas installation guides
User Manual: Craftsman 917377912 917377912 CRAFTSMAN ROTARY MOWER - Manuals and Guides View the owners manual for your CRAFTSMAN ROTARY MOWER #917377912. Home:Lawn & Garden Parts:Craftsman Parts:Craftsman ROTARY MOWER Manual
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Owner's Manual £RAFTZMANo 6.75 HORSEPOWER 21" MULTI-CUT L,_ POWER PROPELLE_ _ ROTARY LAWN MO__EI:_ Model No. 917.377912 • • • • • • Safety Assembly Operation Maintenance Espa_ol Repair Parts CAUTION: Read and follow all Safety Rules and Instructions before operating this equipment Seam, Roebuck and Co,, Hotfman Estates, IL 60179 Visit our Craftsman webslte: www.sears.condcraftsman Warranty ............................................... Safety Rules ......................................... Assembly .............................................. Operation .............................................. Maintenance Schedule ........................ Maintenance ......................................... LIMITED TWO-_'EAR WARRANTY 2 2 4 6 11 11 Product Specifications .......................... 12 Service and Adjustments ...................... 15 Storage ................................................. 17 Troubleshooting ................................... 18 Repair Parts .......................................... 38 Parts Ordering ..................... Back Cover O'N CRAFTSMAN POWER 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. • 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 require operator presence controls to minimize the risk of injury. Your unit is equipped with such controls. Do not attempt to defeat the function of the operator presence controls under any circumstances. • 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. TRAINING: • Read this operator's manual carefully. Become familiar with the controls and know how to operate your mower properly. Learn how to quickly stop PREPARATION: • 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. mower. • Do not allow children to use your mower, Never allow adults to use mower without 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 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. 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. • 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. • 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. • 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. • 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 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 CAUTIONH! BECOMEALERT!!! YOUR SAFETY IS INVOLVED. ACAUTION: Always disconnect spark plug wire and place wire where it cannot contact spark plug in order to prevent accidental starting when setting up, transporting, adjusting or making repairs. AWARNING 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 accessories were available when this lawn mower was produced. They are not shipped centers. number LAWN with your mower. They are also available at most Sears retail outlets and service Most Sears stores can also order repair parts for you, when you provide the model of your lawn mower. Some of these accessories may not apply to your lawn mower. MOWER PERFORMANCE 2- CLIPPING DEFLECTOR FOR REAR DISCHARGE LAWN MOWERS MULCHER CATCHERS FOR REAR DISCHARGE LAWN MOWERS KITS STABILIZER GRASS ! FOR SIDE DISCHARGE GRASS LAWN CATCHERS MOWERS GAS CANS LAWN MOWER MAINTENANCE MUFFLERS BELTS AIR FILTERS BLADES BLADE ADAPTERS Read these instructionsand this manual in its entirety before you attempt to assemble or operate your new lawn mower. IMPORTANT: This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine. Your new lawn mower has been assembled at the factory with the exception of those parts leftunassembled for shipping purposes. All partssuch as nuts, washers, bolts, etc., necessary to complete the assembly have been placed in the pads bag. To ensure safe and proper operation of your lawn mower, all pads and hardware you assemble must be tightened securely. Use the correct tools as necessary to ensure proper tightness. SPARK WHEELS PLUGS ENGINE OIL TO REMOVE LAWN MOWER FROM CARTON • Remove loose pads included with mower. • Cut down two end comers of carton and lay end panel down flat. • 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 carton thoroughly for additional loose pads. 4 HOWTO SET UPYOUR LAWN MOWER TO INSTALL ATTACHMENTS TO UNFOLDHANDLE Your lawn mower was shipped ready to be used as a mulcher. To convert to bagging or discharging; See OPERATION section of this manual. IMPORTANT: Unfold handles carefully so as not to pinch or damage control cables. • Raise lower handle section to operating position and squeeze the bottom ends of lower handle towards each other until the pin in handle can be inserted into one of the three height adjustment holes. • Remove protective padding, raise upper handle section into place on lower handle and tighten both handle knobs. • Remove any packing material from around control bar. • Your handles may be adjusted for your mowing comfort. Refer to Service and Adjustments section of this manual. Operator presence bar Upper handle Lift up Mowing position Lower handle Handle pin 3-position Handle adjustment bracket 5 KNOW YOUR 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 adiustments. Save this manual for future reference. _ symbolsmayappearon yourlawnmoweror in r_eraturesuppliedwithU,de product.Leamend understand them meaning. CAUTION OR WARNING ENGINE ON ENGINE OFF FAST SLOW CHOKE Operator Drive control FUEL presence OIL DANGER, KEEP HANDS AND FEET AWAY control bar Speed control lever Starter Cable clip Grass catcher Gasoline cap Wheel adjuster lever Primer Mulcher plug Engine oil cap Mulcher door IMPORTANT: This lawn mower is shipped without oil or gasoline in the en_line. Housing 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 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. Drive control bar - used to engage power-propelled foward motion of lawn mower. Mulcher plug - Located at the rear discharge opening must be removed when converting to bagging operation. 6 TO OPERATE mower can result in foreign The operation of any lawn 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. HOW TO USE YOUR LAWN MOWER ENGINE • With engine running, select ground speed by moving speed control lever to desired position. • To start forward motion, pull drive control bar back against handle. • To stop forward motion, release drive control bar. IMPORTANT: Always keep drive control bar fully engaged against handle when in use. SPEED Speed control lever The engine speed was set at the factory for optimum performance. Speed is not adjustable. ENGINE ZONE CONTROL •-CAUTION: Federal regulations require an engine control to be installed on this lawn mower in order to minimize the risk of blade contact injury. Do not under any circumstances attempt to defeat the function of the operator control. The blade turns when the engine is running. • 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 CUTTING HEIGHT Drive control Drive control disengaged TO CONVERT MOWER Your lawn mower was shipped ready to be used as a mulcher. To convert to bagging or discharging: REAR BAGGING• Open rear door and remove mulcher plug. Store mulcher plug in a safe place. • To convert to mulching or discharging operation, install mulcher plug into rear discharge opening of mower. J SIDE DISCHARGING- Raise Wheels for low cut GROUND Operator presence control bar engaged • All four wheels are adjusted by a single lever. • Pull adjuster lever toward wheel. To raise mower, move lever forward to desired position. To lower mower, move the lever toward the rear. Lower Wheels for high cut Adjuster Lever DRIVE SYSTEM • Rear door must be open. • Open mulcher door and install discharge deflector under guard as shown. • Mower is now ready for discharging operation. • To convert to mulching or bagging operation, discharge deflector must be removed and mulcher door must be DRIVE SPEEDS Your lawn mower provides multiple speeds to let you select the speed that suits you best. • Lower speeds are for slow, heavy/thick grass cutting or trimming. • Medium speeds are for normal grass cutting or trimming. • High is for light cutting and for ground transport. NOTE: Do not move speed control lever unless the engine is running closed. 7 SIMPLE STEPS TO REMEMBER WHEN CONVERTING YOUR LAWN MOWER FOR MULCHING • Rear mulcher plug installed. • Mulcher door closed. £t m_CAUTION: Do not run your lawn mower without roar mulcher plug or approved grass catcher in place. Never attempt to operate the lawn mower with the roar door removed or propped open. door slots FOR REAR BAGGING • Rear mulcher plug removed. • Grass catcher installed. • Mulcher door closed. FOR SIDE DISCHARGING Grass handle Catcher frame hook - • Rear mulcher plug installed. • Side discharge deflector installed. &CAUTION: D.o not _n your lawn mower without rear mulcner plug m place or approved grass catcher in place. Never attempt to operate the lawn mower with the rear door removed or propped open. TO EMPTYGRASSCATCHER • Lift up on grass catcher using the frame handle. • Remove grass catcher with clippings from under lawn mower handle. • Empty clippings from bag using both frame handle and bag handle. NOTE: Do not drag the beg when emptying; it will cause unnecessary wear. / Mulcher plug _ BEFORE STARTING ENGINE OIL Mulcher door Open mulcher door Discharge deflector TO A'B'ACH GRASS CATCHER • Liftthe rear door of the lawn mower and peace the grass catcher frame hooks into the slots of the rear door. • The grass catcher is secured to the lawn mower housing when the roar door is lowered onto the grass catcher frame. Your lawn mower is shipped without oil in the engine. • Be sure mower is level and area around oil fill is clean. • Remove engine oil cap and fillto the full line on the dipstick. NOTE: Allow oil to settle down into engine for accurate dipstick reading. • Engine holds 20 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. ADD GASOLINE • Fillfuel tank. Use frosh, clean, regular unleaded gasoline with a minimum of 87 8 octane. (Use of leaded gasoline will increase carbon and lead oxide deposits and reduce valve life). Do not mix oil with gasoline. Purchase fuel in quan_les that can be used within 30 days to assure fuel freshness. _WpAoRNING: E.xp#.rieneaindicates that I 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 of 30 days or longer. Drain the gas tank, start the engine and let it run untilthe fuel lines and carburetor are empty. Use fresh fuel next season. Sea Storage Instructionsfor additional information. Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur. TO START ENGINE • 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 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. f._CAUT.ION: Fill.to bosom of gas.tank iher necK. uo not overfill, wipe on any spilled oil or fuel. Do not store, spill or use gasoline near an open flame. Gasoline Engine oil cap cap 9 MOWING TIPS MULCHING • 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. • 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. • 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. IMPORTANT: For best performance, keep mower housing free of built-up grass and trash. See "Cleaning" in MAINTENANCE section of this manual, MOWING TIPS • 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 biodegrade quickly to provide nutrients for the lawn. Always mulch with your highest engine (blade) speed as this will provide the best recutting action of the blades. • Avoid cutting your lawn when it is wet. Wet grass tends to form clumps and interferes with the mulching action. The best time to mow your lawn is the early aftemoon. 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 willbe 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 change to east to west the next week. This will help prevent matting and graining of the lawn. 10 FILL IN DATES AS YOU COMPLETE /_/v"/n¢_<_ /__'_._00___ REGULARSERVICE oi _z- ..... /_'9,_,/_b_.,x-/ Check for Loose Fasteners Clean/Inspect Grass Catcher _ (If Equipped) I/ SERVICE DATES i_/ _ Clean Under Lawn Mower Clean Drive Cover (Power-Propelled Mowers) i## _ Check drive belVpulleys (Power-Propelled Mowers} I/' R Check/Sharpen/Replace I_s Blade Lubrication Chart Clean Battery/Recharge ,IElectric Start Mowers / RECheck ChangeEngine EngineOil OilLevel !/ . Inspect Muffler Clean Air Filter If V' I/ I/4 I1_1,2 _/2 NF Clean or Air Replace Spark Cartridge Plug Replace Filter Paper 12 3 4 - Change Service Replace Charge _'_ 1_2 more often when operating under a heavy load or in high ambient temperatures, more often when operating in dirty or dusty conditions. blades more often when mowing in sandy soil. 48 hours at end of season. GENERALRECOMMENDATIONS 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. 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. • 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 Wheel adjuster CHART Engine oil Brake spring bracket Rear door ' Handle bracket hinge mounting pin (_) Spray lubricant Refer to Maintenance "ENGINE" section. • Check engine oil level. • Check for loose fasteners. LUBRICATION IMPORTANT: Do not oil or grease plastic wheel bearings. VL_..ouslubricants will attract dust and dirt that will shorten the life of the self lubricatingbearings. If you feel they must be lubricated, use only a dry, powdered graphite Keep unit well lubricated (See "LUBRICATION CHART"). typelubr antspa ng . 11 PRODUCT SPECIFICATIONS SERIALNUMBER DATE OF PURCHASE GASOLINE CAPACITY/TYPE: 1.25 QUARTS UNLEADED REGULAR OIL TYPE (API-SF/SG/SH): SAE 30 (ABOVE 32°F) SAE 5W-30 (BELOW 32°F) OIL CAPACITY: 20 OZS. SPARK PLUG (GAP: .030") VALVE CLEARANCE: CHAMPION RJ19LM OR J19LM INTAKE: EXHAUST: .004 - .008 .004 - .008 SOLID STATE IGNITION AIR GAP: .0125 IN. BLADE BOLT TORQUE: 35-40 FT. LBS. 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 MOWER Always observe safety rules when performing any maintenance. TIRES • Keep tires free of gasoline, oil, or insect control chemicals which can harm rubber. • 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. • 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 • 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. 12 IMPORTANT: Blade bolt is grade 8 heat treated. TO SHARPEN BLADE NOTE: We do not recommend sharpening 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 • Remove any trash or grass cuttings from inside the dust cover, pinion and/or drive wheel gear teeth. • If you remove the drive pinions, wipe clean with dry cloth. Reassemble dry. Do not lubricate. Do not use oil or grease. • The pinion gear, on both sides of the mower, are the same, however, they must be installed correctly. If installed incorrectly, the drive system will not work. • There are arrows embossed on both sides of the pinion gear. With the arrow at the top of the pinion, the arrow must point towards front of mower. If the arrow points to the rear, turn the pinion around and assemble to mower. • Place wheels back on adjuster axles. • Replace Iocknuts and hubcaps. Correct Incorrect Wave Washer Blade _ /._"--"'_keyway adapter _---_(_ /_,,=_m_. Key_ ._
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