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Craftsman 917.378771 Owner's Manual

Rotary lawn mower 7.0 horsepower power-propelled 21" rear discharge
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Owner's Manual
ICRAFTSMAWI
ROTARY LAWN MOWER
7.0 Horsepower
Power-Propelled
21" Rear Discharge
Model No.
917.378771
CAUTION:
Read and follow all
Safety Rules and Instructions
before operating this equipment
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
Visit our Craftsman website:www.sears.com/craftsman

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Summary of Contents for Craftsman 917.378771

  • Page 1 Owner's Manual ICRAFTSMAWI ROTARY LAWN MOWER 7.0 Horsepower Power-Propelled 21" Rear Discharge Model No. 917.378771 CAUTION: Read and follow all Safety Rules and Instructions before operating this equipment Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A. Visit our Craftsman website:www.sears.com/craftsman...
  • Page 2 Sears 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...
  • Page 3 I.GENERAL OPERATION • Always wear safety goggles or safety glasses with side shields when • Read, understand, and follow all operating mower. instructions on the machine and in the II. 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...

  • 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, before restarting. • Never make adjustments or repairs with the engine (motor) running. • Never attempt to make wheel height Disconnect the spark plug wire, and adjustments...

  • Page 5: How To Set Up Your Lawn Mower

    HOW TO SET UP YOUR LAWN Read these instructions and this manual MOWER in its entirety before you attempt to assemble or operate your new lawn TO UNFOLD HANDLE mower. IMPORTANT: Unfold handle carefully IMPORTANT: This lawn mower is as not to pinch or damage control cables. shipped WITHOUT OIL OR GASOLINE...
  • Page 6 KNOW YOUR LAWN MOWER READ THIS OWNER'S MANUAL AND 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 future reference. These symbols may appear on your lawn mower or in literature...
  • Page 7 The operationof any lawn DRIVE CONTROL mowercan result in foreign • Self-propelling is controlled by holding objectsthrowninto the the operator presence control bar down eyes,whichcan resultin to the handle and pushing the drive severeeye damage. control lever forward until it clicks; then Alwayswearsafetyglassesor eye releasing the lever.

  • Page 8: To Convert Mower

    TO CONVERT MOWER 2. Remove oil dipstick from oil fill spout. Make sure that rim of spout is clean. Your lawn mower was shipped ready to be 3. You receive a container of oil with the used as a mulcher. To convertto bagging: unit.

  • Page 9: To Start Engine

    TO START ENGINE MULCHING MOWING TIPS NOTE: Dueto protectivecoatingson the IMPORTANT: For best performance, engine,a smallamountof smokemay be keep mower housing free of built-up presentduringthe initial use of the grass and trash. See "CLEANING" in the Maintenance section of this manual. product and should be considered normal.

  • Page 10: Maintenance

    MAINTENANCE SCHEDULE /__0_,_o__ FIL'I. OATES 7__'_O_ SERVICE AS YOU COMPLETE REGULAR SERVICE /__"_:_'F'_.,,._F_ DATES Check for Loose Fasteners I Clean/Inspect Grass Catcher (If Equipped) Clean Lawn Mower i Ik/ wO Clean Under Ddve Cover IPower-Propelled Mowers) Check drive belt/pulleys RE (Power-Propelled Mowers) Check/Sharpen/Replace Blade Lubdcatlen Chart Clean Battery/Recharge...

  • Page 11: Product Specifications

    PRODUCT SPECIFICATIONS Serial Number: Date of Purchase: Gasoline Capacity / Type: 1.6 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: .020") Champion RC12YC Blade Bolt Torque: 35-40 ft. ibs. The model and serial numbers will be found on a decal on the rear of the mower housing.
  • Page 12 GRASS CATCHER SAE VISCOSITY GRADES • The grass catcher may be hosed with water, but must be dry when used. • Check your grass catcher often for , ÷20 damage or deterioration. Through normal use it will wear. If catcher needs TEMPERATURE RANGE AWrlCIPATED BEFORE NEXT OIL CHANGE...

  • Page 13: Lawn Mower

    MUFFLER AIR FILTER Inspect and replace corroded muffler as it Your engine will not run properly using a could create a fire hazard and/or dam- dirty air filter. Clean the foam pre-cleaner after every 25 hours of operation or every 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 up. Remove blade. Remove debris shield. 5.
  • Page 15 ENGINE IMPORTANT: Never tamper with the engine governor, which is factory set for ENGINE SPEED proper engine speed. Overspeeding Your engine speed has been factory set. engine above the factory high speed Do not attempt to increase engine speed setting can be dangerous. If you think the or it may result in personal injury.

  • Page 16: Troubleshooting

    ENGINE ENGINE FUEL SYSTEM Drain oil (with engine warm) and replace with clean engine oil. (See "ENGINE" 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 Remove spark plug.
  • Page 17 TROUBLESHOOTING - See appropriate section in manual unless directed to a Sears Service Center. PROBLEM CAUSE CORRECTION 1+ Rear of lawn mower Loss of power i 1. Set to "Higher Cut" housing or cutting blade position. dragging in heavy grass. Cutting too much grass.
  • Page 18 GARANT[A LIMITADA DE DOS AI_IOS PARA LA SEGADORA A MOTOR CRAFTSMAN Por dos (2) afios, a partir de la fecha de compra, cuando esta Segadora Craftsman se mantenga, lubrique y afine seg0n las instrucciones para la operaciSn y el mantenimiento en el manual del duefio, Sears reparar&...
  • Page 19 I1. OPERAClON SOBRE LAS CUESTAS I. OPERAClON Los accidentes ocurren con m&s frecuencia • Antes de empezar, debe famitiarizarse en las cuestas. Estos accidentes courren completamente con los controles y el uso debido a resbaladas o caidas, las cuales correcto de la rnaquina. Para esto, debe leer pueden resultar en graves lesiones.

  • Page 20: Mantenimiento

    • Nunca haga funcionar una m_.quina dentro • Pare e inspeccione el equipo si le pega a un de un &rea cerrada. objeto. Repdrelo, si es necesario, antes de • Nunca haga ajustes o reparaciones hacerlo arrancar. mientras el motor est_ en marcha. •...
  • Page 21 COMO PREPARAR SU SEGADORA Lea estas instrucciones y el manual 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 ubicaci6n de los diversos controles y ajustes. Guarde este manual para referencia en el future. Estos simbolos pueden apareser sobre su segadora o en la literatura proporcionada con el producto.
  • Page 23 • El movimiento hacia adelante parara cuando la barra de control que exige la presencia segadora puede hacer que del operador se suelta. Para parar el salten objetos extrafios dentro La operacibn de cualquier movimiento hacia adelante sin parar el _m_:_Bdel sus ojos, Io que puede producir dafios graves en _stos.
  • Page 24 Usted recibe un envase de acaite con la _I_,PRECAUCI6N: No haga funcionar su segadora sin puerta trasera cerrada o el unidad. Vierta lentamente 3/4 (15 onzas) de aceite en el tubo de relleno del motor. desviador de recortes o sin el recogedor de cdsped, aprobados, en su lugar.
  • Page 25 PARA HACER ARRANCAR EL MOTOR CONSEJOS PARA SEGAR Y ACOLCHAR AVISO: Debido alas capas protectoras del motor, una cantidad peque_a de humo puede IMPORTANTE: Para obtener el mejor estar presente durante el uso inicial del rendimiento mantenga la caja de la segadora producto y se debe considerar normal.
  • Page 26 PROGRAMA DE MANTENIMIENTO/_._oJ/ oo oo,, r sus,ov,c,o oUL, FECHAS DE SERVIClO Revi,sar si hay suJe_dores sueltos Limpiar/inspeccionar el recogedor de c6sped (si viene equipado) Ik#' Limpiaf la segadora Limp.ia r debajo de la cubierta de la trans- misi6n (segadoras con poder propulsor) Revisar las correas y las poleas impul- sadas lsegaderes con poder propulsor) Revisar o/afilar/cambiar la cuchilla...

  • Page 27: Especificaciones

    ESPECIFICACIONES DEL PRODUCTO Nemero de Serie: Fecha de Compra: Capacidad y Tipo de Gasolina: 1.6 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: .020") Champion RC12YC Torsi6n del Perno de la Cuchilla: 35-40 ft.

  • Page 28: Caja De Engranajes

    RECOGEDOR DE CESPED CAUDADES DE VISCOSIDAD DE SAE • El recogedor de c_sped puede ser rociado con el agua de la manguera pero tiene que estar seco cuando se vaya a usar. • Revise su recogedor de c_sped a menudo para verificar si est&...
  • Page 29 SILENCIADOR FILTRO DE AIRE Su motor no va a funcionar en forma Inspeccione y cambie el silenciador si estd adecuada si usa un filtro sucio. Limpie el corroido puede producir un peligro de incendio elemento del prefiltro de espuma despues de y/o dafio.
  • Page 30 PARA REMOVER LA CORREA DE IMPULSI6N 1. Remueva la cubierta de la impulsi6n. Remueva la correa empujando hacia abajo en la polea de la caja de engranajes. Haga descansar la segadora en su lado con el filfro de aire y el carburador mirando hacia arfiba.
  • Page 31 CARBURADOR IMPORTANTE: Nunca manipule el regulador Su carburador no es ajustable. Si su motor no del motor, el que ha sido ajustado en la f&bdca est& funcionando en forma adecuada debido a para la velocidad del motor adecuada. Puede ser peligroso hacer funcionar el motor a una problemas que se sospecha vienen del velocidad por sobre el ajuste de alta velocidad carburador, Ileve so segadora a contacto con...
  • Page 32 Tire la manilla de arranque lentamente • Nunca use los productos para limpieza del carburador o del motor en el estanque de unas cuantas veces para distribuir el aceite. combustible pues se pueden producir daSos permanentes. Cambie pot una bujfa nueva. •...

  • Page 33: Solucion De Problemas

    SOLUCION DE PROBLEMAS - Vea la secci6n apropiada en el manual amenos que estd dirigido a un centro de servico Sears. PROBLEMA CAUSA CORRECCI_N Falta de 1. Cuchilla desgastada, doblada 1. Ajuste a la posici6n de fuerza o suelta. "Corte mds alto." Altura de las ruedas dispareja.
  • Page 34 SERVICE NOTES...
  • Page 35 CRAFTSMAN ROTARY LAWN MOWER -- MODEL NUMBER 917.378771 GEAR CASE ASSEMBLY - - PART NUMBER 180184 PART DESCRIPTION 183497 Case, Lower 183498 Case, Upper 183499 Gear, 27Teeth 183500 Lever, Clutch 183501 Spring, Return 183502 Shaft, Input 183503 Dog, Movable 183504...
  • Page 36 CRAFTSMAN ROTARY LAWN MOWER -- MODEL NUMBER 917.378771 36 j 3938 11\_'_...
  • Page 37 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378771 KEY PART PART DESCRIPTION NO. NO. DESCRIPTION 183485 Upper Handle, with Grip 175060X004 SelectorSpring 151721×479 LowerHandle 165762X004 Axle Arm Assembly LR 180955 Control Bar 180625 Hubcap 133107 Bolt Engine Zone Contrel Cable...
  • Page 38 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378771...
  • Page 39 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378771 KEY PART PART DESCRIPTION DESCRIPTION Pan Head Tapping Screw # 10-24 x 2-3/4 Control Cable Assembly 175262 179681 Drive Cover Locknut #10-24 175065 751152 Hex Washer Heed Screw 1/4-20 x 2.12...
  • Page 40 BRIGGS & STRA'I-I'ON 4-CYCLE ENGINE MODEL NUMBER 128602-0215-E1 584_ lO _ 238(_ 1034_ 619_' 2271 1615_ 5o5__J I 1058 OWNER'S MANUAL I 307, 25 I 32_J 1095 VALVE OVERHAUL KIT °°°_ _1o== t 15_ 2o@...
  • Page 41 BRIGGS & STRATI'ON 4-CYCLE ENGINE MODEL NUMBER 128602-0215-E1 1251 968 _f967 443_ 276 (_ 127_ 13o 9s _ 51 _ ..190_' 670 _ 842 0 121 CARBURETOR OVERHAUL KIT 524_ 977 CARBURETOR GASKET SET 1 51 $.F 1631_...
  • Page 42 MODEL NUMBER 128602-0215-E1 MODEL NUMBER 128602-0212-E1 592_ 4s9 _ 60 _' 689 o 592® 305p 334 _' Iii o.---1 1019 KIT-LABEL 358 ENGINE GASKET SET - F] lO22_,,_ 1005 20 !_ 163_/i PART PART DESCRIPTION DESCRIPTION Screw (Cylinder Head) 692670 Cylinder Assembly 691137 399269...

  • Page 43: Briggs & Stratton

    BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 128602-0215-E1 I_'Y PART PART DESCRIPTION DESCRIPTION 499631 Ring Set-Piston (Standard) 695161 Cup-Rywheel 692299 Plate-Pawl Friction 692785 Ring Set-Piston (.010" O.S.) 281505 PawI-Ratchet 692786 Ring Set-Piston (.020"O.S.) 692787 Ring Set-Piston (.030" O.S.) 231082 Nut (Governor ControlLever) 691866 Lock-Piston Pin 499621...
  • Page 44 For repair of major brand appliances in your own home... no matter who made it, no matter who sold it! 1-800-4-MY-HOME ® AnyOne, d ayor night (_-8oo-4694663) (u.s_+andCanada) For repair of carry-in products like vacuums, lawn equipment, and electronics, call for the nearest Sears Parts and Repair Center. 1-800-488-1222 Any_m, dayornight(U.SA+ only) www,seatsJ_ll_...

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