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Owner's Manual
ICRAFT.TMAWI
6.75 HORSEPOWER
21" REAR DISCHARGE
POWER PROPELLED
ROTARY LAWN MOWER
Model No.
917.378410
• 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.condcraftsman
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Product Specifications........................ 11 Warranty ............................................... 2 Service and Adjustments .................... 13 Safety Rules ......................................... 2 Storage ............................................... 14 Assembly .............................................. 5 Troubleshooting ................................. 16 Operation .............................................. 6 Maintenance Schedule ...................... "t0 Repair Pa
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• Be alert and turn machine off if children • Stop the blade(s) when crossing gravel enter the area. drives, walks, or roads. • Before and while walking backwards, • Stop the engine (motor) whenever you look behind and down for small leave the equipment, before cleaning children. the mower or uncloggingthe chute. • Never allow children to operate the • Shut the engine (motor) off and wait machine. until the blade comes to complete stop • Use extra care when approaching blind before removing gras
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_ILook for this symbolto point out AWARNING: Engine exhaust, some of its constituents, and certain vehicle important safety precautions. It means CAUTION!!! BECOMEALERT!H YOUR components contain or emit chemicals known to the State of California to cause SAFETY IS INVOLVED. cancer and birth defects or other _. CAUTION: In order to prevent reproductive harm. accidental starting when setting up, transporting, adjusting or making repairs, _,WARNING: Battery posts, terminals and related accessories
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Read these instructions and this manual HOWTO SET UPYOUR LAWN in its entirety before you attempt to MOWER assemble or operate your new lawn TO UNFOLD HANDLE mower. IMPORTANT: Unfold handle carefully so IMPORTANT: This lawn mower is as not to pinch or damage controlcables. shipped WITHOUT OIL OR GASOLINE in 1. Raise handles until lower handle the engine. section rocks into place in mowing Your new lawn mower has been as- position. sembled at the factory with the exception 2. Remove protective pad
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KNOWYOUR LAWN MOWER READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR LAWN MOWER. Compare the illustrationswith 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 DANGER, KEEP HANDS OR WANNING ON OFF AND FEET AWAY _perator presence
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The operation of any lawn TO CONVERT MOWER mower can result in Yourlawn mower was shippedreadyto be foreign objects thrown into usedas a mulcher. To convertto bagging: the eyes, which can result REAR BAGGING in severe eye damage. Always wear safety glasses or eye • Liftrear door ofthe lawnmower and place shields while operating your lawn mower the grasscatcherframe hooks ontothe or performing any adjustments or repairs. door pivotpins. We recommend a wide visionsafety • To convertto mulchingoper
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AWARNING: Experience indicates that DRIVE CONTROL alcohol blended fuels (called gasohol or • Self-propelling is controlled by holding using ethanol or methanol) can attract the operator presence control bar down moisture which leads to separation and to the handle and pushing the drive formation of acids during storage. Acidic controllever forward until it clicks;then gas can damage the fuel system of an releasing the lever. engine while in storage. To avoid engine • Forward motion will stop whe
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MULCHING MOWINGTIPS MOWlNGTIPS IMPORTANT: For best performance, • Under certain conditions, such asvery keep mower housing free of built-up tallgrass, itmay be necessary to raise grass and trash. See "Cleaning" Ln the height of cut to reduce pushing Maintenance section of this manual. effort and to keep from overloading the • The special mulching blade will recut engine and leaving clumps of grass the grass clippings many times and clLppings. It may also be necessary to reduce them in size so th
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MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE SERVICE DATES Check for Loose Fasteners I/ _ 11 / Cleatvlnspect Grass Catcher (If Equipped) t/ ll/ 11/ M Clean Lawn Mower _ J_ (Power*Propelled Mowers) O Clean Under Drive Cover Check drive belt/ ulleys E (Power_Propell_jPMowers) IJ Check/Sharpen/Re place Blade _ 3 Lubrication Chart I/ t/ Clean BatterylRecharge IElectric Start Mowers ! II/' _4 E 3heck Engine OilLevel ¥1 N Chan_e Engine Oil t/l,z G Clean Air Filter It/ 2 I ! Inspe
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PRODUCT SPECIFICATIONS ERIALNUMBER DATE OF PURCHASE _ASOLINE CAPACITY/TYPE: 1.5 QUARTS UNLEADED REGULAR DILTYPE (API-SF-SJ): SAE 30 (ABOVE 32°F) SAE 5W-30 (BELOW 32°F) )IL CAPACITY: 20 OZS. SPARK PLUG (GAP: .045") CHAMPION RESISTOR TYPE RJ19LM4 BLADE BOLT TORQUE: 35-40 FT. LBS. The model and serial numbem 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 TO REPLACE BLADE 1. Position the blade
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ENGINE Bladeadapter " Crankshaft LUBRICATION Key._ _ keyway Use only high quality detergent oil rated with API service classificationSF-SJ, Lockwasher_ __ Select the oil's SAE viscositygrade ! _11 Blade according to your expected operating temperature. crank _--- shaft bolt Hardened _-Blade washer Trailingedge adapter GRASS CATCHER NOTE: Although multi-viscosity oils • The grass catcher may be hosed with (5W30, 10W30 etc.) improve starting in water, but must be dry when used. cold weather, these
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SPARK PLUG AIR FILTER Your engine will not run properly and may Change your spark plug each year to be damaged by using a dirty air filter. make your engine start easier and run Replace the air filter every year, more better. Set spark plug gap at .030 inch. often if you mow in very dusty, dirty CLEANING conditions. Do not wash air filter. IMPORTANT: For best performance, TO CHANGE AIR FILTER keep mower housingfree of buiLt-up 1. Remove the air filter by turning grass and trash. Clean the unders
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TO ADJUST HANDLE The upper handle may be adjusted to four (4) different height positions. 1. Loosen both handle knobs only enough to allow the upper handle to pivot to the desired adjustment CatmC; eha_d_ position. 2. Tighten both handle knobs securely. oF'; o ENGINE ENGINE SPEED Handle Knob Your engine speed has been factory set. Do not attempt to increase engine speed or it may result in personal injury. If you Handle Knob believe that the engine is running too fast or too slow, take your law
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• When setting up your handle from the • Never use engine or carburetor cleaner productsin the fuel tank or permanent storage position, the lower handle will automatically lock into the mowing damage may occur. • Use fresh fuel next season, position. NOTE: Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage. Add Squeezeto fold bracket stabilizer to gasoline in fuel tank or ,,F storage container. Always follow the mix ratio found on stabili
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TROUBLESHOOTING CHART CORRECTION PROBLEM CAUSE 1. Clean/replace air filter. 2. Fill fuel tank. Does not start 211Stale of Out air fuel. fuel. filter. Dirty 3. Drain tank and refill with fresh clean fuel. 4. Water in fuel. 4. Drain fuel tank and carburetor and refill tank with fresh gasoline. 5. Spark plug wire is 5. Connect wire to plug. disconnected. 6. Replace spark plug. 6. Bad spark plug. 7. Loose blade or broken 7. Tighten blade bolt or replace blade adapter. blade adapter. 8. Control bar i
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TROUBLESHOOTING CHART PROBLEM CAUSE CORRECTION Grass catcher 1. Cutting height too low. 1. Raise cutting height. notfilling (ifso 2. Lift on blade worn off. 2, Replace blade. equipped) 3. Catcher not venting air. 3, Clean grass catcher. Hard to push 1. Grass is too high or wheel 1. Raise cutting height. height is toe low. 2. Rear of lawn mower 2. Raise rear of lawn mower housing or blade dragging housing one (1) setting in grass, higher. 3. Grass catcher too full, 3. Empty grass catcher. 4. Hand
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ROTARY LAWN MOWER- - MODEL NO. 917.378410 GEAR CASE ASSEMBLY PART NUMBER 175258 I 7 KEY PART KEY PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION 1 17490416 Tapping Screw 1/4-20 x 1-1/4 12 700343 Bushing 2 175248)(004 Engagement Bracket 13 86447 Plug 14 137050 HelicalGear 3 137053 Shifter 4 57072 Seal 15 750436X Clutch Jaw 16 750369 Grease 6 48373 Gear Case Halves Kit (Includes Key Nos. 4, and 7) 17 12000003 E-Ring 7 77881 Beanng 18 850848 Hi-pro Key 5 137051 WormShaft 19 81585X004 Spring Bracket 9
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ROTARY LAWN MOWER - - MODEL NUMBER 917.378410 _24 27 31 35 13 44 31 43 28 46 45 25
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ROTARY LAWN MOWER- - MODEL NUMBER 917.378410 KEY PART KEY PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION 34 165762X004 Axle Arm Assembly LR 1 175391X479 Upper Handle 2 175245)(479 Lower Handle 35 175012 Hubcap 36 165912 Bolt 3 169780 Control Bar 38 176185 Washer 4 156577 Engine Zone Contm_Cable 39 176235 Pushnut 5 171407 Handle Bolt 6 136376 Handle Knob 43 175083 Bottom Belt Cover 7 51793 HairpinCotter 44 176289 Lawn Mower Housing (Incl, Key #10, 11, 12& 45) 6 66426 Wire Tie 45 85463 Danger Deal 4
