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Craftsman 917.378340 Owner's Manual

6.25 horsepower power-propelled 21" rear discharge rotary lawn mower
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Owner's Manual
ICRAFTSMAN'J
ROTARY LAWN MOWER
6.25 Horsepower
Power-propelled
21" Rear Discharge
Model No.
917.378340
CAUTION:
Read and follow all
Safety Rules and Instructions
before operating this equipment
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
Visitour Craftsman website:www.sears,com/craftsman

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Summary of Contents for Craftsman 917.378340

  • Page 1 Owner's Manual ICRAFTSMAN'J ROTARY LAWN MOWER 6.25 Horsepower Power-propelled 21" Rear Discharge Model No. 917.378340 CAUTION: Read and follow all Safety Rules and Instructions before operating this equipment Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A. Visitour Craftsman website:www.sears,com/craftsman...
  • Page 2 10-13 _::'- Service ...... Back Cover 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 instructions the owner's manual, Sears will repair free of charge any defect in material or workman- ship.

  • Page 3: General Operation

    I.GENERAL OPERATION • Always wear safety goggles or safety glasses with side shields when • Read, understand, and follow all instructions on the machine and in the operating mower. I1. SLOPE OPERATION manual(s) before starting. Be thor- oughly familiar with the controls and Slopes are a major factor related to slip the proper use of the machine before and fall accidents which can result in...

  • Page 4: Lawn Mower Maintenance

    • Never run a machine inside a closed • Stop and inspect the equipment if you area. strike an object. Repair, if necessary, • Never make adjustments or repairs before restarting. with the engine (motor) running. • Never attempt to make wheel height Disconnect the spark plug wire, and adjustments...

  • Page 5: To Remove Lawn Mower From Carton

    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 control cables. shipped WITHOUT OIL OR GASOLINE 1.
  • Page 6 KNOW YOUR LAWN MOWER READ THIS OWNER'S MANUALAND ALL 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...

  • Page 7: Drive Control

    TO ADJUST cu'n'ING HEIGHT The operation of any lawn mower can result in foreign Raise wheels for low cut and lower objects thrown into the wheels for high cut, adjust cutting height eyes, which can result in to suit your requirements. Medium severe eye damage.

  • Page 8: Before Starting

    TO EMPTY GRASS CATCHER ADD GASOLINE • Fill fuel tank to bottom of J=,_L. t iller 1. Lift up on grass catcher using the frame handle. neck. Do not overfill. Use fresh, clean, 2. Remove grass catcher with clippings regular unleaded gasoline with a from under lawn mower handle.

  • Page 9: To Stop Engine

    MULCHING MOWING TIPS 1. To start a cold engine, push primer three (3) times before trying to start. IMPORTANT: For best performance, Use a firm push. This step is not keep mower housing free of built-up usually necessary when starting an grass and trash.

  • Page 10: Maintenance

    MAINTENANCE SCHEDULE n EGO RSERVCE E____ R V OE 0 A TES Check for Loose Fasteners Clean/Inspect Grass Catcher (If Equ,pped) Clean Lawn Mower Clean Under Drive Cover Check drive belt/pulleys (Power-Propelled Mowers) (Power-Propelled.Mowers) ChecklSharpenlReplace Blade Lubrication Chart Clean Battery/Recharge IElectric Start Mowers I Check Engine Oil Level Change Engine Oil...

  • Page 11: Product Specifications

    PRODUCT SPECIFICATIONS Serial number: Date of purchase: Gasoline capacity / type: 1.5 quarts (unleaded regular) Oil type (API-SF-SJ): SAE 30 (above 32°F); SAE 5W-30 (below 32°F) Oil capacity: 20 ounces Spark plug (gap: .030") Champion RJ19LM or Jf9LM Blade bolt torque: 35-40 ft.

  • Page 12: Grass Catcher

    GRASS CATCHER NOTE: Although multi-viscosity oils (5W30, 10W30 etc.) improve starting in • The grass catcher may be hosed with cold weather, these multi-viscosity oils water, but must be dry when used. will result in increased oil consumption • Check your grass catcher often for when used above 32°1=.Check your damage or deterioration.
  • Page 13 MUFFLER AIR FILTER Your engine will not run properly and may Inspect and replace corroded muffler as it could create a fire hazard and/or dam- be damaged by using a dirty air filter. Replace the air filter every 100 hours of age.
  • Page 14 TO REMOVE DRIVE BELT 1. Remove drive cover. Remove belt from gearcase pulley by pushing down on pulley and rolling belt off it. 2. Turn lawn mower on its side with air filter and carburetor 3. Remove blade. 4. Remove debris shield.
  • Page 15 CARBURETOR IMPORTANT: Never tamper with the engine governor, which is factory set for Your carburetor has a non-adjustable proper engine speed. Overspeeding the fixed main jet for mixture control. If your engine above the factory high speed engine does not operate properly due to setting can be dangerous.

  • Page 16: Troubleshooting

    • Never use engine or carburetor cleaner 3. Pull starter handle slowly a few times to distribute oil. products in the fuel tank or permanent 4. Replace with new spark plug. damage may occur. • Use fresh fuel next season. OTHER NOTE: Fuel stabilizer...
  • Page 17 TROUBLESHOOTING - See appropriate section in manual unless directed to a Sears Service Center. CORRECTION CAUSE PROBLEM Poor cut - 1. Worn, bent or loose blade. 1. Replace blade. Tighten blade bolt. uneven 2. Set all wheels at same 2. Wheel heights uneven. height.
  • Page 18 Sears reparar& gratis todo defecto en el material y la mano de obra. Si la Segadora Craftsman se usa para fines comerciales o de arriendo, esta garantfa s61o se aplica pot noventa (90) dfas a partir de la fecha de compra.
  • Page 19 I. OPERACION II. OPERACION SOBRE LAS CUESTAS • Antes de empezar, debe familiarizarse Los accidentes ocurren con m&s frecuencia en las cuestas. Estos accidentes ocurren completamente con los controles y el uso correcto de la maquina. Para esto, debe leer debido a resbaladas o caidas, las cuales y comprender todas las instmcciones que pueden resultar en graves lesiones.
  • Page 20 • Nunca haga funcionar una maquina dentro • Pare e inspeccione el equipo si le pega a un de un &rea cerrada. objeto. Rep_.relo, si es necesario, antes de • Nunca haga ajustes o reparaciones hacerlo arrancar. mientras el motor est_ en marcha. •...
  • Page 21 Lea estas instrucciones y el manual COMO PREPARAR SU SEGADORA completamente antes de tratar de montar u PARA DESDOBLAR EL MANGO operar su segadora nueva. IMPORTANTE: Despliegue el mango con IMPORTANTE: Este cortacesped viene SIN mucho cuidado para no.pellizcar o dafiar los ACEITE O GASOLINA en el motor.
  • Page 22 FAMILIARICESE CON SU SEGADORA LEA ESTE MANUAL DEL DUEllO Y LAS REGLAS DE SEGURIDAD ANTES DE OPERAR SU SEGADORA. Compare las ilustraciones con su segadora para familiarizarse con la ubicacibn de los diversos controles y ajustes. Guarde este manual para referencia en el futuro.
  • Page 23 PARA AJUSTAR LA ALTURA DE CORTE segadora puede hacer que Levante las ruedas para el corte bajo y baje salten objetos extrafios dentro las ruedas para el corte alto., ajuste la altura La operacion de cualquier de sus ojos, Io que puede de corte para que se acomode a sus producir dafios graves en _stos.
  • Page 24 PARA VACIAR EL RECOGEDOR AGREGUE GASOLINA ClaSPED • Llene el estanque de combustible hasta la parte infedor del cuello de relleno del Levante el recogedor de c_sped usando el estanque de gasolina. No Io Ilene mango del bastidor. demasiado. Use gasolina regular, sin Remueva el recogedor de c_sped, con los plomo, nueva y limpia con el mfnimo de 87 recortes, de debajo del mango de la...
  • Page 25 CONSEJOS PARA SEGAR Y Para hacer arrancar un motor fdo, empuje ACOLCHAR el cebador tres (3) veces antes de tralado. Empuje firmemente. Este paso IMPORTANTE: Para obtener el mejor normalmente no es necesario cuando se rendimiento mantenga la caja de la segadora hace arrancar un motor que ya ha estado sin acumulacion de cesped y basura.
  • Page 26 PROGRAMA DE MANTENIMIENTO _"/'_/_ ,Y Y .F v .c .o Revisar si ha)' sujetadores sueltos Limpiar/inspeccionar el recogedor de c6sped (si viene equipad°) Limpiar la segadora Limpiar debajo de la cubierta de la trans- misibn (segadoras con poder propulsor) sadas (seQadoms con poder pmpulsor) Revisar las correas y las poleas impul- Revisar o/afilar/cambiar la cuchilla Tabla de lubdcaci6n...

  • Page 27: Especificaciones

    ESPECIFICACIONES DEL PRODUCTO N_mero de serie: Fecha de compra: Capacidad y tipo de gasolina: 1.5 cuartos (regular sin plomo) Tipo de aceite (API-SF-SJ): SAE 30 (sobre 32°F);SAE 5W-30 (debajo 32°F) Capacidad de aceite: 20 onzas Bujia (abertura: .030") Champion RJ19LM o J19LM Torsi6n del perno...
  • Page 28 RECOGEDOR DE ClaSPED AVISO: A pesar de que los aceites de muitiviscosidad (5W30, 10W30, etc.) mejoran • El recogedor de c_sped puede ser rociado el arranque en clima fdo, estos aceites de con el agua de la manguera pero tiene que rnultiviscosidad van ha aumentar el consumo estar seco cuando se vaya a usar.
  • Page 29 FILTRO DE AIRE SILENCIADOR Su motor puede sufrir avedas y funcionar Inspeccione y cambie el silenciador si est& manera incorrecta con un filtro del aire sucio. corroido puede producir un peligro de incendio Sustituir el papel del cartucho una vez al afio o y/o dafio.
  • Page 30 PARA REMOVER LA CORREA DE IMPULSI6N Remueva la cubierta de la impulsibn. Remueva la correa empujando hacia abajo en la polea de la caja de engranajes. Haga descansar la segadora en su lado con el filtro de aire y el carburador mirando hacia arriba.
  • Page 31 CARBURADOR IMPORTANTE: Nunca manipule el regulador Su carburador t ieneunchorroprincipal f ijo no del motor, el que ha sido aiustado en la fabrica ajustable para controlar la mezcla. Si su motor para ia velocidad del motor adecuada. Puede no est& funcionando en forma adecuada ser peligroso hacer funcionar el motor a una velocidad por sobre el ajuste de alta velocidad...
  • Page 32 • del agujero de la bujia en el cUindro. Nunca use los productos para limpieza del carburador o del motor en el estanque de Tire la manilla de arranque lentamente combustible pues se pueden producir unas cuantas veces para distribuir el aceite.
  • Page 33 SOLUCI6N DE PROBLEMAS - Vea la secci6n apropiada en el manual amenos que estd dirigido a un centro de servico Sears. CAUSA CORRECCI6N PROBLEMA Mal corte- 1. Cuchilla desgastada, doblada 1. Cambie la cuchilla. Apriete el o suelta. disparejo perno de la cuchilla. 2.

  • Page 34: Service Notes

    SERVICE NOTES...
  • Page 35 CRAFTSMAN ROTARY LAWN MOWER -- MODEL NUMBER 917.378340 GEAR CASE ASSEMBLY-- PART NUMBER 176293 KEY PART DESCRIPTION 17490416 Tapping Screw 1/4-20 x 1-1/4 175248X004 Engagement Bracket 137053 Shifter 57072 Seal 48373 Gear Case Halves Kit (Includes Key Numbers 4 and 7)
  • Page 36 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378340 .,24 3938...
  • Page 37 Engine Pulley 917.33314 Clipping Deflector (Available in Service Dept. only) 87677 Hi-Pro Key #505 71 33623 GasCan Engine, Craftsman, Model Number Fuel Stabilzer 71 335OO 143.026200 (See Breakdown) 71 33OOO 15O4O6 SAE 30W Oil (20 oz.) Hex Head Thread Rolling Srew 3/8-16 x 1-1/8...
  • Page 38 CRAFTSMAN ROTARY LAWN MOWER -- MODEL NUMBER 917.378340...
  • Page 39 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378340 KL=Y PART K_"Y PART DESCRIPTION DESCRIPTION 179681 DriveCover ControlCable Assembly 175065 751152 Locknut #10-24 132010 Hex Flange Nut 158755 Hex Washer Head Screw 1/4-20 x 2.12 137052 Drive Pulley 175436 V-Belt...
  • Page 40 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.026200 275. 380 = 370C I"...
  • Page 41 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.026200 KEY PART KEY PART DESCRIPTION DESCRIPTION 37465 29752 Nut & Lock Washer, 1/4-28 Cylinder (Includes Key Numbers 2, 20 and 150) 6201 Screw, 1/4-28 x 7/8" 26727 Dowel Pin 26756 * CarburetorTo Intake Pipe Gasket...
  • Page 42 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.026200 (_37 2s/'_ PART DESCRIPTION 631615 Throttle Shaft & Lever Assembly 631767 Throttle Return Spring 631184 * Dust SealWasher * Dust Seal 631183 Throttle Shutter 640070 650506 * Shutter Screw 631807 Fuel Fitting 651025 Screw, Throttle Crack/Idle Speed...
  • Page 43 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143,026200 KEY PARr DESCRIPTION 590694 Recoil Starter 590599A Spring Pin (Includes Key #4) 590600 Washer 590696 Retainer 590601 Washer 590697 Brake Spring 590698 Starter Dog 590699 Dog Spring 590700 Pulley & Rewind Spring Assembly 590695A...
  • Page 44 For repairof majorbrandappliancesin your own home... no matterwhomade it,no matterwhosoldit! 1-800-4-MY-HOME _ AnyOne, day ornight (1_) (U.SAand Canada) www.llel_.COlltt !/ii For repair of carry-in productslike vacuums, lawn equipment, and electronics,call for the nearest Sears Parts and Repair Center. 1-800-488-1222 AnyOne, day orr_ (U.SA oriy) w,,lelll.COm Forthe replacement parts,accessories andowner'smanuals that youneed to do-it-yourself, callSears PartsDIrectS"7...

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