Craftsman 917.378450 Owner's Manual
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Craftsman 917.378450 Owner's Manual

6.5 horsepower 21" rear discharge rotary lawn mower
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Owner's Manual
JCRRFTSMRN'J
ROTARY LAWN MOWER
6.5 Horsepower
21" Rear Discharge
Model No.
917.378450
CAUTION:
Read and follow all
Safety Rules and Instructions
before operating this equipment
Sears, Roebuck and Co., Hoffrnan Estates, IL 60179 U.S.A.
Visit our Craftsman
websRe:www.sears.corn/craftsman

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Summary of Contents for Craftsman 917.378450

  • Page 1 Owner's Manual JCRRFTSMRN'J ROTARY LAWN MOWER 6.5 Horsepower 21" Rear Discharge Model No. 917.378450 CAUTION: Read and follow all Safety Rules and Instructions before operating this equipment Sears, Roebuck and Co., Hoffrnan Estates, IL 60179 U.S.A. Visit our Craftsman websRe:www.sears.corn/craftsman...
  • Page 2 10-13 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 in the owner's manual, Sears will repair free of charge any defect in material or workman- ship.
  • 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 and fall accidents which can result in the proper use of the machine before...
  • Page 4 • 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 while the engine (motor) is keep the wire away from the plug to...
  • Page 5 Read these instructions and this manual HOWTO SET UP YOUR LAWN in its entirety before you attempt to MOWER assemble or operate your new lawn TO UNFOLD HANDLE mower. IMPORTANT: This lawn mower is IMPORTANT: Unfold handle carefully so as not to pinch or damage control cables. shipped WITHOUT OIL OR GASOLINE in 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 future reference. These symbols may appear on your lawn mower or in literature...
  • Page 7 Drive control mower can result in foreign objects thrown into the The operation of any lawn eyes, which can result in severe eye damage. Always wear safety glasses or eye shields while operating your lawn mower DRIVE or performing any adjustments or repairs. ENGAGE CONTROL We recommend standard safety glasses...
  • Page 8 ADD GASOLINE TO EMPTY GRASS CATCHER • Fill fuel tank to bottom of tank filler 1. Lift up on grass catcher using the neck. Do not overfill. Use fresh, clean, frame handle. 2. Remove grass catcher with clippirlgs regular unleaded gasoline with a from under lawn mower handle.
  • Page 9 Move throttle control lever to FAST MULCHING MOWING TIPS position. IMPORTANT: For best performance, Hold operator presence control bar keep mower housing free of built-up down to the handle and pull starter grass and trash. See "CLEANING" in the handle quickly. Do not allow starter Maintenance section of this manual.
  • Page 10 COMPLETE E O RS RV,CE Check for Loose Fasteners Clean/Inspect Grass Catcher (If Equipped) !1 _ Clean Lawn Mower (Power-Propelled Mowers) Clean Under Drive Cover (Power-Propelled Mowers) E i Check ddve belVpulleys Check.ISharpen/Replace Blade Lubrication Chart Clean Battery/Recharge Electric Start Mowers) Check Engine Oil Level N Change Engine Oil Ill1,2...
  • Page 11 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: .030") Champion RJ19LM or J19LM Blade bolt torque: 35-40 ft.
  • Page 12 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=.
  • Page 13 SPARK PLUG TO CLEAN AIR FILTER 1. Loosen screw and tilt cover to remove. Replace spark plugs at the beginning of each mowing season or after every 100 2. Carefully remove cartridge. hours of operation, whichever occurs first. 3. Clean by gently tapping on a flat surface.
  • Page 14 TO REMOVE DRIVE BELT 1. Remove drive cover. Remove belt from gearoase 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 CARBURETOR IMPORTANT: Never tamper with the engine govemor, which is factory set for Your carburetor is not adjustable. If your proper engine speed. Overspeeding the engine does not operate properly due to engine above the factory high speed suspected carburetor problems, take your setting can be dangerous.
  • Page 16 • Never use engine or carburetor cleaner Pull starter handle slowly a few times products in the fuel tank or permanent to distribute oil. damage may occur. Replace with new spark plug. • Use fresh fuel next season. OTHER NOTE: Fuel stabilizer is an acceptable •...
  • Page 17 TROUBLESHOOTING - See appropriate section in manual unless directed to a Sears Service Center. PROBLEM CAUSE CORRECTION Loss of power 1. Rear of lawn mower 1. Set to "Higher Cut" housing or cutting blade position. dragging in heavy grass. Cutting too much grass.
  • Page 18 GARANTfA LIMITADA DE DOS ANOS PARA LA SEGADORA A MOTOR CRAFTSMAN Pot dos (2) aSos, a partir de la fecha de compra, cuando esta Segadora Craftsman so mantenga, lubrique y afine segdn las instrucciones pars la operacibn y el mantenimiento en el manual del duefio, Sears reparar&...
  • Page 19 II. OPERACION SOBRE I.AS CUESTAS I. OPERACION Los accidentes ocurren con mils frecuencia • Antes de empezar, debe familiadzarse en las cuestas. Estos accidentes ocurren completamente con los controles y el uso debido a resbaladas o cafdas, las cuales correcto de la maquina. Para esto, debe leer pueden resultar en graves lesiones.
  • Page 20 • Nunca haga funcionar una mdquina dentro Pare e inspeccione el equipo si le pega a un de un drea cerrada. objeto. Repdrelo, si es necesario, antes de hacedo armncar. • Nunca haga ajustes o reparaciones mientras el motor est6 en marcha. En ningOncase hay que regular la altura de las ruedas mientms el motor estd en Desconecte el cable de la bujl'a, y...
  • 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 da_ar los ACEITE O GASOLINA en el motor.
  • Page 22 FAMILIARICESE CON SU SEGADORA LEA ESTE MANUAL DEL DUENO Y I_AS 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 s_mbolos pueden apareser sobre su segadora o en la literatura proporcionada con el producto.
  • Page 23 Barra de control( )perador ConVol segadora puede hacer que elaim- salten objetos extrafios dentro La operaci6n de cualquier de sus ojos, Io que puede producir dafios graves en 6stos. Siempra use anteojos de seguridad o protecci6n para los ojos mientras opera su CONIROL segadora o cuando haga ajustes o DELA...
  • Page 24 PARA VACIAR EL RECOGEDOR AGREGUE GASOLINA C_:SPED • Llene el estanque de combustible hasta la parte inferior del cuello de relleno del 1. Levante el recogedor de cesped usando el estanque de gasolina. No Io Ilene mango del bastidor. Remueva el reeogedor de c_sped, con los demasiado.
  • Page 25 CONSEJOS PARA SEGAR Y Mueva la palanca de control de aceleraci6n del motor a la posici6n de ACOLCHAR R,_PIDO. IMPORTANTE: Para obtener el mejor Sujete la barra de controles que exigen la rendimiento mantenga la caja de la segadora presencia del operador abajo en el mango sin acumulacion de cesped y basura.
  • Page 26 PROGRAMA DE MANTENIMIENTOI___ Revisar si hay sujetadores sueffos Limpiar/inspeccionar el recogedor de c6sped (si viene equipado) Limpiar la segadora mnsa6n (segadoras con poder propuicor) Lira iar debajo de la cubierta de la trans- Revisar las correas y las poleas impul- sadas (se_adoras con poder propulsor) ROi Revisar o/afilar/cambiar la cuchilEa Tabla de lubricocibn...
  • Page 27 ESPEClFICAClONES DEL PRODUCTO N,_mero 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: .030") Champion RJ19LM o J19LM Torsibn del perno de la cuchilla: 35-40 FT.
  • Page 28 RECOGEDOR DE ClaSPED AVISO: A pesar de que los aceites de • El recogedor de c_sped puede ser rociado multMscosidad (5W30, 10W30, etc.) mejoran con el agua de la manguera pero tiene que el arranque en clima frfo, estos aceites de multiviscosidad van ha aumentar el consumo estar seco cuando se vaya a usar.
  • Page 29 BUJ|AS PAPA LIMPIAR EL FILTRO DE AIRE Cambie las bujfas al comienzo de cada 1. Suelte el tomillo e incline la cubierla para removerlo. temporeda de siega o despu6s de cada 100 2. Cuidadosamente, remueva el cartucho. horas de operaci6n, Io que suceda primere. El tipo de bujl'ay el ajuste de la abertura Umpielo golpedndolo suavemente en una aparecen en "ESPECIFICACIONES...
  • Page 30 PARA REMOVER LA CORREA DE IMPULSI6N 1. Remueva la oubierta de la impulsi6n. Romueva la correa empujando hacia abajo en la polea de ]a caja de engranajes. Haga descansar la segadora en su lado con el filtro de aim y el carburador mirando hacia ardba.
  • Page 31 CARBURADOR IMPORTANTE: Nunca manipule el regulador Sucarburador noesajustable. Si su motor n o del motor, el que ha side ajustado en la fdbrica estd funcionando en forrna adecuada debido a para la velocidad del motor adecuada. Puede pmblemas que se sospecha vienen del ser peligroso hacer funcionar el motor a una carburador, Ileve su segadora a contacto con velocidad por sobre el ajuste de alta velocidad...
  • Page 32 del agujero de la bujfa en el cilindro. • Nunca use los productos para limpieza del Tire la manilla de arranque lentamente carburador o del motor en el estanque de unas cuantas veces para distribuir el combustible pues se pueden producir aceite.
  • Page 33 SOLUCION DE PROBLEMAS - Vea la secci6n apropiada en el manual amenos estd dirigido a un centro de servico Sears. PROBLEMA CAUSA CORRECCION Falta de Cuchilla desgastada, doblada 1. Ajuste a la posici6n de fuerza o suelta. "Code mds alto." AItura de las ruedas dispareja.
  • Page 34 CRAFTSMAN ROTARY LAWN MOWER -- MODEL NUMBER 917.378450 84 83 _'_'...
  • Page 35 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378450 PART PART DESCRIPTION DESCRIPTION 181472 Upper Handle (with Grip) 175053X004 SelectorSpring 151721X479 Lower Handla 63124 Nut 5/16-18 180955 Control Bar 175575X004 Axla Arm Assembly LR 133107 EngineZone Control Cable 180620 Hubcap...
  • Page 36 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378450...
  • Page 37 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378450 PART PART DESCRIPTION DESCRIPTION 179681 DriveCover Control Cable Assembly 178843 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 151521...
  • Page 38 CRAFTSMAN ROTARY LAWN MOWER-- MODEL NUMBER 917.378450 GEAR CASE ASSEMBLY -- PART NUMBER 175258 KEY PART DESCRIPTION 17490415 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 39 BRIGGS & STRATTON MODEL NUMBER 123K02 4-CYCLE ENGINE TYPE NUMBER 0183-E1 11019 LABEL KIT] 684 '_ 525 i J 7180...
  • Page 40 BRIGGS & STRATTON MODEL NUMBER 123K02 4-CYCLE ENGINE TYPE NUMBER 0183-E1 621 _> 188_ 1o3_ 977 CARBURETOR GASKET SET 127(_ 130 95(_1 276_...
  • Page 41 BRIGGS & STRATTON MODEL NUMBER 123K02 4-CYCLE ENGINE TYPE NUMBER 0183-E1 969 | 66_' 592 _ 58 (,,,._,_...
  • Page 42 BRIGGS & STRATrON MODEL NUMBER 123K02 4-CYCLE ENGINE TYPE NUMBER 0183-E1 358 ENGINE GASKET 842_ 524_ 668_) 1334 505 _ KEY PART KEY PART DESCRIPTION DESCRIPTION 697322 Cylinder Assembly 399781 • Seal. Oil, PTO Side 399269 Kit, Bushing/Seal 691092 Screw, Engine Sump 299819 •...
  • Page 43 BRIGGS & STRATFON MODEL NUMBER 123K02 4-CYCLE ENGINE TYPE NUMBER 0183-E1 I_'Y PART KFt' PART DESCRIPTION DESCRIPTION 691219 Cup, Flywheel 499424 Rod,Connecting 692299 Plate, Pawl Friction 691664 Screw, Connecting Rod 261505 Pawl, Ratchet 695759 Screw, ConnectingRod 231082 Nut, Governor Control Lever 262651 Valve, Exhaust 262652...
  • Page 44 Forrepairof majorbrandappliances in your own home... no matterwho made it, no matterwhosold it! 1-800-4-MY-HOME ® Any'al_, day ornight (1_) (U.SAand Canal) W_C8 wwwm For repairof carry-inproducts like vacuums, lawnequipment,and electronics, callfor the nearestSears Parts and Repair Center. 1-800-488-1222 AnyOne, dayornk_t(U.SAore) www.seat's.com For the replacement parts, accessories and owner's manuals that you need to do-it-yourseff,call Sears PartsDirectS"!

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