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Owner's Manual
JCRAFTSMAN'J
6.0 HORSEPOWER
21" MULTI-CUT
ROTARY LAWN MOWER
Model No.
917,388731
• Safety
• Assembly
• Operation
• Maintenance
• Espa_ol
• Repair Parts
CAUTION:
Read and follow all
Safety Rules and Instructions
before operating this equipment
Sears, Roebuck and Co., Hoffman Estates, IL 60179
visit ourCraftsman website:www.sears.com/craftsman
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........................................... ,...2 Product Specifications ........................ 11 Service and Adjustments .................... 13 Safety Rules ......................................... 2 Storage ............................................... 14 Assembly .............................................. 5 Troubleshooting ................................. 15 Operation .............................................. 6 Maintenance Schedule ...................... 10 Repair Parts .....
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• Stop the blade(s) when crossing gravel • Keep children out of the tdmming area and under the watchful care of another drives, walks, or roads. • Stop the engine (motor) whenever you responsible adult. • Be aled and turn machine off if children leave the equipment, before cleaning enter the area. the mower or unclogging the chute. • Before and while walking backwards, • Shut the engine (motor) off and wait look behind and down for small until the blade comes to complete stop children. before re
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AWARNING: Engine exhaust, some of its ALook for this symbol to point out constituents, and certain vehicle compo- important safety precautions. It means nents contain or emit chemicals known to CAUTION!!! BECOME ALERT!!! YOUR the State of California to cause cancer SAFETY IS INVOLVED. and birth defects or other reproductive A WARNING: In order to prevent harm. accidental starting when setting up, AWARNING: Battery posts, terminals and transporting, adjusting or making repairs, related accessorie
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Read these instructions and this manual Operator presence control bar in its entirety before you attempt to assemble or operate your new lawn mower. " Upper IMPORTANT: This lawn mower is shipped WITHOUT OIL OR (_ASOLINE in the engine. Your new lawn mower has been as- sembled at the factory with the exception of those parts left unassembl;_d for shipping purposes. All pads such as nuts, washers, bolts, etc., necessary to com- Mowing position plete the assembly have been placed in the parts bag. T
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KNOW YOUR LAWN MOWER READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR LAWN MOWER. Compare the illustrations with your lawn mower to familiarize yourself with the location of various controls and adjustments, Save this manual for future reference. These symbols may appear on your lawn mower or in literature supplied with the product. Learn and understand their meaning. CAUTION ENGINE ENGINE FAST SLOW CHOKE FUEL OIL OANGER, KEEP HANDS OR WARNING ON OFF AND FEET AWAY Operator presenc
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[O CONVERT MOWER The operation of any lawn mower can result in Your lawn mower was shipped ready to foreign objects thrown into be used as a muleher. To convert to the eyes, which can result bagging or discharging: in severe eye damage. REAR BAGGING Always wear safety glasses or eye • Lift rear door of the lawn mower and shields while operating your lawn mower place the grass catcher frame hooks or performing any adjustments or repairs. onto the door pivot pins. We recommend a wide vision safety
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_WARNING: Experience indicates that Open alcohol blended fuels (called gasohol or Mulcher using ethanol or methanol) can attract Door 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 Discharge 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 ne
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MULCHING MOWINGTIPS MOWINGTIPS • Under cedain conditions, such as very IMPORTANT: For best performance, keep mower housing free of built-up tall grass, it may be necessary to raise the height of cut to reduce pushing grass and trash. See "Cleaning" in MAINTENANCE section of this manual. effort and to keep from overloading the engine and leaving clumps of grass • The special mulching blade will recut the grass clippings many times and clippings. It may also be necessary to reduce ground speed and
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MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE SERVICE DATES Check for Loose Fasteners "_/ " ' ' 14. :Clean/Inspect Grass Catcher (_fEquipp_) 14,/ 14' V' Clean Lawn Mower 14. 14. Clean Under Drive Cover IPower-Propelled Mowers) 14. Check ddve belt/pulleys (Power-Propelled Mowers) 14" CbecWSharderVReplace Blade If 3 LubricationChart I_ Clean Battery/Recha • IElectdc Start Mowe_jr_ 14. 14._ Check Engine Oil Level Change En_ne O_1 II/1.2 Clean Air Filter 14. = Inspect Muffler Cl
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PRODUCT SPECIFICATIONS SERIAL NUMBER DATE OF PURCHASE GASOLINE CAPACITY/TYPE: 1.6 QUARTS UNLEADED REGULAR OILTYPE (API-SF-SJ): SAE 30 (ABOVE 32°F) SAE 5W-30 (BELOW 32°F) OIL CAPACITY: 20 OZS. SPARK PLUG(GAP: .030") CHAMPION RJ19LM OR J19LM VALVECLEARANCE: INTAKE: .004 - .008 EXHAUST: .004 - .008 SOLID STATE IGNITION AIR GAP: .0125 IN. BLADE BOLTTORQUE: 35-40 FT. LBS. • The model and serial numbers wil! be found on a decal attached to the rear of the lawn mower housing.Record both serial number a
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Check the crankcase oil level before • To check blade balance, drive a nail into a beam or wall. Leave about one starting the engine and after each five (5) inch of the straight nail exposed. Place hours of continuous use. Tighten oil plug center hole of blade over the head of securely each time you check the oil level. the nail. If blade is balanced, it should TO CHANGE ENGINE OIL remain in a horizontal position. If either end of the blade moves downward, NOTE: Before tipping lawn mower to shar
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CLEANING Slots tack IMPORTANT: For best performance, keep plate mower housing free of built-up grass and trash. Clean the underside of your mower after each use. Cover ACAUTION: Disconnect spark plug wire from spark plug and place wire where it 3over cannot come in contact with the spark Ca_ridge plug. • Clean the underside of your lawn MUFFLER mower by scraping to remove build-up Inspect and replace corroded muffler as it of grass and trash. could create a fire hazard and/or damage. • Clean eng
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ENGINE CARBURETOR ENGINE SPEED Your carburetor is not adjustable. If your engine does not operate propedy due to Your engine speed hasbeen factory set. suspected carburetor problems, take your Donotattempt toincrease engine speed lawn mower to a Sears or other qualified oritmay result in personal injury. If you service center for repair and/or adjust- believe that the engine is running too fast ment. or too slow. take your lawn mower to a IMPORTANT: Never tamper with the Sears or other qualified
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ENGINE OIL ENGINE FUEL SYSTEM Drain oil (with engine warm) and replace with clean engine oil. (See "ENGINE" in IMPORTANT: It is important to prevent the Maintenance section of this manual). gum deposits from forming in essential CYLINDER fuel system parts such as carburetor, fuel 1, Remove spark plug. filter, fuel hose, or tank during storage. 2. Pour one ounce (29 ml) of oil through Also, experience indicates that alcohol spark plug hole into cylinder. blended fuels (called gasohol or using 3,
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TROUBLESHOOTING CHART PROBLEM CAUSE CORRECTION 1. Rear of lawn mower Loss of power 1. Set to "Higher Cur' housingor cuttingblade position. dragging in heavy grass. 2. Cutting too much grass. 2. Set to "Higher Cut" position. 3. Clean/replace air filter. 3. Dirty air filter. 4. Clean underside of mower 4. Buildup of grass, leaves, and trash under mower. housing. 5. Check oil level. 5. Too much oil in engine.. 6. Walking speed too fast. 6. Cut at slower walking speed. Poor cut - 1. Worn, bent or lo
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CRAFTSMAN ROTARY LAWN MOWER - - MODEL NO. 917.388731 "_'s_l 4 23 _ _/44 _7° _ 68 67 56 54
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CRAFTSMAN ROTARY LAWN MOWER-- MODEL NO. 917.388731 KEY PART KEY PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION 1 131696 ControlBar 34 167130X004 Axle Ann Assembly - LR 2 166860X479 UpperHan_e 36 166785 Lock.nut 5/16-18 3 161105X479 Lower Handle 36 16(_28 Shoaider Boff 5/16-18 4 132601 Rcl_Guide 37 151162 WheelAssembly 5 63601 Locknut 1/4-20 3_ 164362 Shoulder Bolt 6 131959 Hand_ Bolt 39 83923 Ranged Locknut 7 66426 Wirelie 4O 77400 Hubcap 8 74780512 Hex Boft 5/16-18 x 3/4 41 88662 Hinge Screw 9 15
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CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 12H802-2639-BI 1_ 34 1095 VALVE GASKET SET 7' 9 43_ 15 8 "A" REQUIRES SPECIALTOOLS TO INSTALL. SEE REPAIR INSTRUCTION MANUAL. S [1050 OWNER'S MANUAL] 20 !_" 22 _ 34
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CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 12H802-2639-B1 ,e++ ,+<":a:,:l? - .-_'l 968 {_,-_ 668 ',-+ ,";_ r+_- ++; +:+ +++. _ < t!7+++:+;) ,7o+ 977 CARBURETOR GASKET SET 365 _! i_-., 708 617 :') 276' 121 CARBURETOR OVERHAUL KIT 708 1631/ _.;' 137 617 104 276 127
