Owner's Manual rRAFTSMAN° 6.75 HORSEPOWER 21 MULTI-CUT POWER PROPELLED ROTARY LAWN MOWER Model No. 917.377961 • • • • • • 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 our Craftsman website: www.sears.
Warranty Safety Rules Assembly Operation Maintenance Schedule Maintenance 2 2 4 6 11 11 Product Specifications Service and Adjustments Storage Troubleshooting Repair Parts Parts Ordering 1 15 1E 1? 3E Back Covel LIMITED TWO YEAR WARRANTY ON 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 instructionsin the owner's manual, Sears will repair free of charge any defect in material or
• _ fuel tank beforestartingengine. Do notfillgas tank indoors,when the engineis runningor when the engine is hot. Allowthe engine to coolfor several minutesbefore fillingthe gas tank. Clean offany spilled gasolinebeforestartingthe engine. • Always make wheel heightadjustments beforestartingyour mower. Never attempt to dothis while the engine is running. • Mow onlyin daylightorgood artificiallight. • Never cutgrass by pullingthe mower towardsyou.
'are not shipped with your mower. They are alsoavailableat most Sears retailoutletsand service centers. Most Sears storescan alsoorderrepair partsforyou, when you providethe model numberof your lawn mower. Some of these accessoriesmay notapplyto yourlawn mower.
TO INSTALL • Your handlesmay be adjustedfor your mowing comfort. Refer to Service and Adjustments section of this manual. Operator presence control bar Your lawn mower was shipped ready to be used as a mulcher. To convert to bagging or discharging; See OPERATION section of this manual.
K_IOW YOUR LAWN MOWER READ THIS OWNER'S MANUAl_AND SAFETY RULES BEFORE OPERATING YOUR LAWt MOWER. Compare the illustrations withyour lawn mowerto familiarize yourself withthe tocatJonof variouscontrolsand adjustments.Save this manualforfuture reference. These symbols may appear on your lawn mower or in literature supplied with the product. Learn and understand their meaning.
TO OPERATE operationof any lawn mowercan resultin foreignobjectsthrowninto the eyes, whichcan resultin severe eye damage. Alwayswear safetyglassesor eye shieldswhile operating your lawn moweror performingany adjustments or repairs. We recommenda wide visionsafety mask overspectaclesorstandard safety glasses. HOWTO USEYOUR LAWN MOWER DRIVE SYSTEM • With engine running, select ground speed by moving speed control lever to desired position.
SIMPLE STEPS TO REMEMBER WHEN CONVERTING YOUR LAWN MOWER FOR MULCHING • Rear mulcher plug installed. • Mulcher door closed. TO ATTACH GRASS CATCHER • Uft the rear door of l_e lawn mower and place the grass catcher frame hooks into the slots of the re_ door. • The grass catcher is secured to the lawn mower housing when the rear door is lowered onto the grass catcher frame. FOR REAR BAGGING Rear door • Rear mulch_ plug removed. • Grass catcher installed.
• Check oil level before each use. Add oil if TO START ENGINE needed. Fill "to full line on dipstick. • To read proper level, tighten engine oil cap each time. • To start a coldengine, pushprimerthree (3) times beforeWing to start. Use a firm push. This step is notusuallynecessary when startingan engine which has already runfor a few minutes. • Hold operator presence controlbar down to the handle. • To step engine, release operator presence control bar.
MOWINGTIPS MULCHING MOWING TIPS • For most cuttingconditionsand bettor begging performance,the engine speed shouldbe set in the fast position. • Under certainconditions,such as when mowingvery tall grass, raisethe mower heighton the firstcutto reduce pushing effort,to avoid overheatingthe engine,end to avoid leaving clumpsof grass clippings. Make the secondcutto the desired height. • For extremely heavy cutting,reduce the width of cut.
MA, NTENANCE SC.EDULE F, LL,. AS YOU COMPLETE REGULAR M _ R O_"_L _ _'_ _',_ O_ SERVICE Check for Loo6e Fasteners Clean/Inspect Grass Catcher I_ (If Equipped) Clean Under Lawn Mower Clean Drive Cover I_ I_ _1 Check drive belt/pulleys (Power-Propelled Mowers) (Power-PropelledMowers) Check/Sharpen/Replace Blade _/ =. I_ LubricationChart Clean Battery/Recharge IElectric Start Mowers) ll_ _ NE Check Engine Oil Level G Change Engine Clean Air Filter Oil 1_4 1_1'1.
PRODUCT MODEL NUMBER SERIAL NUMBER SPECIFICATIONS 917.377961 DATE OF PURCHASE HORSEPOWER: 6.75 GASOLINE 1.5 QUARTS CAPACITY/TYPE: UNLEADED OILTYPE (API-SF/SG/SH): SAE 30 (ABOVE •SAE 5W-30 OIL CAPACITY: SPARK PLUG(GAP: REGULAR 32°I=) (BELOW 32°1:) 27 OZS. •030") CHAMPION VALVE CLEARANCE: RJ19LM or J19LM INTAKE: .004 - .008 EXHAUST: .004 - .008 SOLID STATE IGNiTiON AIR GAP: .0125 IN. BLADE BOLT TORQUE: 35-40 FT. LBS.
TO SHARPEN NOTE: BLADE 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 We do not recommend sharpening blade - but if you do, be sure the blade is balanced. 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 Care should be taken to keep the blade balanced.
Checkthecrankcaseoil level before starting the engine and alter each five (5) hours of continuous use. "13ghtenoil plug securely each time you check the oil level. TO CHANGE ENGINE OIL NOTE: Before tipping lawn mower to drain oil, drain fuel tank by running engine until fuel tank is empty. • Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with spark plug. • Remove engine oil cap; lay aside on a dean surface.
_CAUTION" BEFORE PERFORMING ANY SERVICE OR 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 CUTTING HEIGHT See "TOADJUST CUTTING HEIGHT" inthe Operation sectionof this manual.
Immediately prepareyour lawnmowerfor storageat the end ofthe seasonor ifthe unit willnot be usedfor 30 days or more. ENGINE FUELSYSTEM IMPORTANT: It isimportantto preventgum deposits from forming in essentialfuel system partssuchas carburetor,foal 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 an_ formation of acids during storage.
IMPORTANT: Never cover mower while _]bCAUTION: Never store the lawn mower with gasoline in the tank inside a building where fumes may reach an open flame or spark. Allow the engine to cool before storing in any enclosure. engine and exhaust areas are still warm. TROUBLESHOOTING CHART PROBLEM Will not start CAUSE 1. 2, 3. 4. 5. 6. Rear of lawn mower housing/blade dragging in heavy grass. Cutting too much grass. Dirty air filter. Buildup of grass, leaves and trash under mower.
TROUBLESH( OTING CHART !PROBLEM CAUSE CORRECTION Grass catcher not filling (If so equippe_ 1. 2, 3, Cutting height too low. Lift on blade worn off. Catcher not venting air, 1. Raise cutting height. 2. Replace blade. 3. Clean grass catcher. Hard to push 1. Grass is too high or wheel height is too low. Rear of lawn mower housing/blade dragging in grass. Grass catcher too full. Handle height position not right for you. 1. Raise cutting height. Belt wear. Belt off of pulley.
SERVICE NOTES 37
ROTARY LAWN MOWER-- MODEL NO. 917.377961 28 1.j 18 42.
ROTARY LAWN MOWER-KEY NO. PART NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 167163 161105X479 131036 132001 63601 66426 131959 87692 164265 161551 73990500 51793 162949 850733X004 83816 162085 161548 165261 166907 161568X479 168227X479 150078 163183 63124 161333 163409 161550 88652 166036X479 851514 159267 851074 85O263 851084 166032 170045 150406 38 ..... DESCRIPTION Handle, Upper DIx Comf. (Includes Grip) Handle, Lower Bail, Cont.
ROTARY LAWN MOWER -- MODEL NO. 917.
ROTARY LAWN MOWER-- ..,& KEY NO. PART NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 166047 167259 54583 17005o 161537 750634 166060 132010 166049 166Q_1X004 17541011 166189 166388 145354 57079 161584 161602 160477)(004 167650 12000022 163365 169911 DESCRIPTION Speed Co_rol Bail ControlDrive Screw DriveCable CoverDrive Screw Thdrol 10-25 x .50 V-Belt Nut Lock Rangod 3/8-16 Zinc PulleyDriven Belt Keeper Bracket Screw Hex Wash Head 10-24 X .668 PivotRod Cover TransmissionAsm.
CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.
_I::IAFTSMAN 4-CYCLE ENGINE KEY PART NO. NO.
CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.996710 14A I (t; I1_37 _-3s 37& 38A NO. PART NO. DESCRIPTION 640(_0A 1 5 6 7 14A 25 27 28 29 30 32 33 36 37 37A 38 38A 39 40 47 (Incl.
CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.996710 KEY NO. PART NO. 1 2 3 4 5 6 7 8 590702 590599A 59O6OO 5,90696 580601 590697 59O698 59O699 590700 11 590703 12 590535 13 590701 DESCRIPTION Recoil Starter Spring Pin (Incl. 4) Washer Reta'tner Washer BrakeSpring Starter Dog Dog Spring Pulley& Rewind Spring Ass'y. Starter Rousing Ass'y. (40 degreegrommet) Starter Rope ( 98" X 9/ 64" dia.) StarterHandle m5 _ml4 KEY NO. ---- 45 PART NO.
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For in-home major brand repair service: Call 24 hours a day, 7 days a week 1-800-4-MY-HOME S" (1-800-469-4663) Para pedir servicio de reparacibn a domicilio 1-800-676-5811 In Canada for all your service and parts needs call Au Canada pour tout le servic.
