Craftsman 917.378422 Owner's Manual
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Craftsman 917.378422 Owner's Manual

Rotary lawn mower 6.75 horsepower power-propelled 21" rear discharge
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Owner's Manual
iCRnFTSMnN°I
ROTARY LAWN MOWER
6.75 Horsepower
Power-propelled
21" Rear Discharge
Model No.
917.378422
CAUTION:
Read and follow all
Safety Rules and Instructions
before operatingthis equipment
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
Visit our Craftsman website:www.sears.com/craftsman

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  • Page 1 Owner's Manual iCRnFTSMnN°I ROTARY LAWN MOWER 6.75 Horsepower Power-propelled 21" Rear Discharge Model No. 917.378422 CAUTION: Read and follow all Safety Rules and Instructions before operatingthis equipment Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A. Visit our Craftsman website:www.sears.com/craftsman...
  • Page 2 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 in 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 • Read, understand, and follow all glasses with side shields when instructions on the machine and in the operating mower. I1. SLOPE OPERATION manual(s) before starting. Be thor- oughly familiar with the controls Slopes are a major factor related to slip the proper use of the machine...

  • 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 while the engine (motor) is keep the wire away from the plug to...

  • Page 5: How To Set Up Your Lawn Mower

    Read these instructions and this manual HOW TO 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.
  • Page 6 KNOWYOUR 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 supplied with the product.

  • Page 7: To Convert Mower

    TO ADJUST CUTFING 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: To Start Engine

    ADD GASOLINE TO EMPTY GRASS CATCHER • Fill fuel tank to bottom of tank filler 1. Uft up on grass catcher using the frame handle. neck. Do not overfill. Use fresh, clean, Remove grass catcher with clippings regular unleaded gasoline with a minimum of 87 octane.

  • Page 9: To Stop Engine

    1. To start a cold engine, push primer MULCHING MOWING TIPS 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 MA,NTENANCE SC.EDULE F'LL 'N DATES /__'l _:_'J,_ RE O R SE.V,CE SERWCE DATES Check for Loose Fasteners ql / Clean/Inspect Grass Catcher (If Equipped) Clean Lawn Mower Clean Under Drive Cover IPower-Propelled Mowers) Check drive belt/pulleys Check/Sharpen/Replace Blade (Power-Propelled Mowers) LubricationChart Clean Batte_//Recharge IElectric Start Mowers!

  • Page 11: 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: .045") Champion RJ19LM4 Blade bolt torque: 35-40 ft. Ibs. •...
  • 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°F.

  • Page 13: Air Filter

    MUFFLER AIR FILTER Inspect and replace corroded muffler as it Your engine will not run properly and may 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 TO ASSEMBLE GRASS CATCHER 1. Remove drive cover. Remove belt 1. Put grass catcher frame into grass bag from geamase pulley by pushing with rigid part of bag on the bottom. down on pulley and rolling belt off it. Make sure the frame handle is outside 2.
  • Page 15 Immediately prepare your lawn mower for Operator storage at the end of the season or if the contml bar unit will not be used for 30 claysor more. LAWN MOWER When lawn mower is to be stored for a Lower period of time, clean it thoroughly, remove all dirt, grease,...

  • Page 16: Troubleshooting

    OTHER • Cover your unit with a suitable protec- tive cover that does not retain mois- • Do not store gasoline from one season ture. Do not use plastic. Plastic cannot to another. breathe which allows condensation • Replace your gasoline can if your can form and will cause your unit to rust.
  • Page 17 TROUBLESHOOTING - See appropriate section in manual unless directed to a Sears Service Center. CORRECTION PROBLEM CAUSE 1. Rear of lawn mower Loss of power 1. Set to "Higher Cut" position. housing or cutting blade dragging in heavy grass. 2. Set to "Higher Cut" 2.
  • 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, lubdque y afine segOn las instrucciones para la operacibn y el mantenimiento en el manual del duefio, Sears reparar&...
  • Page 19 II. OPERAClON SOBRE I.AS CUESTAS I. OPERACION Los accidentes ocurren con m_s frecuencia • Antes de empezar, debe familiarizame en las cuestas. Estos accidentes ocurren completamente con los controles y el uso debido a resbaladas o cafdas, las cuales correcto de la maquina. Pars esto, debe leer y comprender todas las instrucciones que pueden resultar en graves lesiones.

  • Page 20: Mantenimiento

    Pare e inspecclone el equipo si le pega a un • Nunca haga funcionar una mdquina dentro de un drea cerrada. obJeto. Repdrelo, si es necesario, antes de hacedo arrancar. • Nunca haga ajustes o reparaciones mientras el motor est6 en marcha. En ning_n caso hay que regular la altura de las ruedas mientras el motor estd en Desconecte el cable de la buji'a, y...
  • Page 21 Lea estas instruccionesy 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 an el motor.
  • Page 22 FAMlUARICESE 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 futuro. Estos simbolos pueden apareser sobre su segadora o en la literature proporcionada con el producto.
  • Page 23 PARA AJUSTAR LA ALTURA DE CORTE segadora puede hacer que Levante las ruedas para el corte bajo y bajs salten objetos extraSos dentro las ruedas para el corte alto., ajuste la altura La operaci6n de cualquier de sus ojos, Io que puede de corte para que se acomode a sus producir daSos graves on 6stos.
  • Page 24 PARA VACIAR EL RECOGEDOR AGREGUE GASOLINA ClaSPED • Uene el estanque de combustible hasta la parte inferior del cuello de relleno del 1. Levante el recogedor de cdsped usando el estanque de gasolina. No Io Ilene mango del bastidor. demasiado. Use gasoline regular, sin Remueva el recogedor de c6sped, con los plomo, nueva y limpia con el mfnimo de 87 recortes, de debajo del mango de la...
  • Page 25 CONSEJOS PARA SEGAR Y 1. Para hacer arrancar un motor fr[o, empuje el cebador tres (3) veces antes de ACOLCHAR tratado. Empuje firmemente. Este paso IMPORTANTE: Para obtener el mejor normalmente no es necesado cuando se rendimiento mantenga la caja de la segadore hace arrancar un motor que ya ha estado sin acumulacion de cesped y basura.
  • Page 26 PROGRAMADe MANTENIMIENTO _.__"/_"_J ,oc..s oo S.RV.C.o Revisar si ha)' su)etadores sueltos Limpiar/lnspeccionar el recogedor de SE c6sped (si viene equipad°) Limpiar la segadora Limp.iardeba o de la cubierta de la trans- m si6n segadoras con poder propulsor) sadas (se_ladoras con poder propulsor) Revlsar las correas y las poleas Impuk Revisar cVafilarlcamblar la cuchllla Ii_3...

  • Page 27: Del Producto

    ESPEClFICACIONES DEL PRODUCTO N_mero de sede: 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 i Buj{a (abertura: .045") Champion RJ19LM4 Torsi6n del pemo de la cuchilla: 35-40 FT.

  • Page 28: Caja De Engranajes

    AVISO: A pesar de que los aceites de RECOGEDOR DE ClaSPED multiviscosidad (5W30, 10W30, etc.) mejoran • El recogedor de cdsped puede ser rociado el arranque en clime frfo, estos aceites de con el ague de la manguera pero tiene que multiviscosidad van ha aumentar el consumo estar seco cuando se vaya a usar.
  • Page 29 FILTRO DE AIRE SILENCIADOR Su motor puede sufrir averfas y funcionar de Inspeccione y cambie el silenciador si estd manera incorrecta con un fUtrodel aire sucio. corrofdo puede producir un pengre de incendio Sustituirel papel del cartucho una vez al aSo o ylo dai_o.
  • Page 30 PARA REMOVER LA CORREA DE IMPULSI6N PARA MONTAR Y ADJUNTAR EL RECOGEDOR DE C_SPED Remueva la cubierta de la impulsi6n. Remueva la correa empujando hacia abajo 1. Ponga el bastidor del recogedor de c6sped en la polea de la caja de ongranajes. en la bolsa del c6sped con la parte rigida Haga descansar la segadora en su lado de la bolsa en la parte inferior.Aseg0rese...

  • Page 31: Aceite Del Motor

    Barradecontrol q ue Jh_. Inmediatamente prepare su segadora pars el oxigo ,apr ncla olt,, 2 almacenamiento al final de cada temporada o si la unidad no se va a usar por 30 dlas o operador ////HACIA ,_, ) m&s. Mango supedar _ //// PARA SEGADORA...
  • Page 32 ClLINDRO • Si es posible, guarde su unidad en un recinto cerrado y cdbrala para protegeda 1. Remueva la bujfa. contra el polvo y la mugre. 2. Vac(e 29 ml (una onza) de aceite a trav6s del agujero de la bujfa en el cilindro. •...
  • Page 33 SOLUCI(_N DE PROBLEMAS - Vea la secci6n apropiada en el manual amenos est6 dirigldo a un centro de servico Sears. PROBLEMA CAUSA CORRECCI(3N Vibracl6n 1. Cuchilla desgastada, doblada 1. Cambie la cuchiila. Apriete el excesiva o suelta, perno de la cuchilla. 2.
  • Page 34 SERVICE NOTES...
  • Page 35 CRAFTSMAN ROTARYLAWN MOWER- - MODEL NUMBER 917.378422 GEAR CASE ASSEMBLY-- PART NUMBER 175258 KEY PART NO. NO. 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 ROTARYLAWN MOWER - - MODEL NUMBER 917.378422 11,_...
  • Page 37 85543 Engine Pulley Available accessedes notincluded with lawn mower: 87677 Hi-Pro Key #505 917,33314 Clipping Deflector (AvaUablein Service Dept, only) Engine, Craftsman, Model Number 71 33623 Gas Can 143.016728 (See Breakdown) 150406 71 33500 Fuel Stabilzer Hex Head Thread Rolling Srew 3/8-16 x 1-1/8...
  • Page 38 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378422...
  • Page 39 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378422 PART PART DESCRIPTION DESCRIPTION 145755 ControlCable Assembly 175065 Drive Cover 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 40 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.016728 110,_ 126151A 1C 174172 < 370C...
  • Page 41 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.016728 I_-Y PART KL=Y PART DESCRIPTION DESCRIPTION 37465 Cylinder (Includes Key #2 and 20) 29752 Nut & Lock Washer, 1/4-28 26727 Dowel Pin 6201 Screw, 1/4-28 x 7/8" Breather Element 26756 • Carburetor To Intake Pipe Gasket 36557 Breather Ass'y.
  • Page 42 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.016728 <;;_,=.-- 3 7 ?mz, PART DESCRIPTION 640271 Carburetor (Includes 184 of Engine Parts List) 31615 Throttle Shaft & Lever Assembly 31767 Throttle Return Spring 631184 * Dust Seal Washer 631183 • Dust Seal (Throttle)
  • Page 43 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.016728 KEY PART DESCRIPTION 590702 Recoil Starter 590599A Spring Pin (Includes Key Number4) Washer 5g0600 590696 Retainer 59(To01 Washer 590697 BrakeSpring 590698 Starter Dog 590699 Dog Spring 590700 Pulley& Rewind SpringAssembly 590703 Starter Housing Assembly...
  • Page 44 For repair ofmajor brand appliancesin your own home... no matter who made it,no matter who sold 1-800-4-MY-HOME e Any,me, day ornig_ (1-800-469-4663) (U.S.A. and Canada) www.se_us.com www,seal_,ca For repairof carry-inproducts like vacuums, lawnequipment,and electronics, call for the nearest Sears Parts and Repair Center. 1-800-488-1222 An,pine, d ayornk_ht (U.SA orgy) www_...

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