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Craftsman 917.378431 Owner's Manual
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Craftsman 917.378431 Owner's Manual

Craftsman 917.378431 Owner's Manual

6.75 horsepower 21" rear discharge power propelled rotary lawn mower
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Owner's Manual
JCRRFTSMRWI
6.75 HORSEPOWER
21" REAR DISCHARGE
POWER PROPELLED
ROTARY LAWN MOWER
Model No.
917.378431
•
Safety
•
Assembly
•
Operation
•
Maintenance
•
Espa_ol
•
Repalr 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.corrVcraffsman

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Summary of Contents for Craftsman 917.378431

  • Page 1 917.378431 Safety • • Assembly • Operation • Maintenance • Espa_ol • Repalr 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.corrVcraffsman...

  • Page 2: Table Of Contents

    Parts Ordering ......Back Cover LIMITED'I3NO 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: Operation

    • • 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.

  • Page 4: Maintenance

    _,WARNING: Battery posts, terminals and ALook for this symbol to point out related accessories contain lead and lead important safety precautions. It means CAUTION!!t BECOMEALERT!t! YOUR compounds, chemicals known to the State of California to cause cancer and birth SAFETY IS INVOLVED. defects or other reproductive harm.
  • Page 5 TO INSTALL A'I'I'ACHM ENTS Your new lawn mower has been as- sembled at the factory with the exception Your lawn mower was shipped ready to of those parts left unassembled for be used as a mulcher. To convert mower shipping purposes. All parts such as nuts, to bagging, see "TO CONVERT MOWER"...
  • Page 6 KNOWYOUR LAWN MOWER READ THIS OWNER'S MANUALAND 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.
  • Page 7 Theoperation of TO ADJUST CU'I-rlNG HEIGHT 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 EMPTY GRASS CATCHER AWARNING: Experience indicates that alcohol blended fuels (called gasohol or 1. Open door and lift up on grass catcher using ethanol or methanol) can attract using the frame handle. moisture which leads to separation and 2. Remove grass catcher with clippings from under tawn mower handle.
  • Page 9 IMPORTANT: MULCHING MOWING TIPS Do not crank engine more than five continous seconds between IMPORTANT: Forbestperformance, each time you try to start. Wait 5 to 10 keep mower housing free of built-up seconds between each attempt. grass and trash. See "CLEANING" in the 1.
  • Page 10 .A,NTENANCE BC.EDU'E Check for Loose Fasteners Clean/Inspect Grass Catcher (if Equipped) MClean Clean Under Drive Cover Lawn Mower IPower-PrOpelled Mowers) Check drive bel ulleys (Powe r-Propell_lPMowers) R c heck/S harp• n/Replace Blade r_'_ LubriCationChart ¥/ Clean BatteP//ReChar_ Elect ric Start Mowers Check Engine Oil Level Change Engine Oil t/l_t...

  • Page 11: Product Specifications

    PRODUCT SPECIFICATIONS ERIAL NUMBER: DATE OF PURCHASE: GASOLINECAPACITY/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 RESISTOR TYPE RJ19LM4 BLADE BOLTTORQUE: 35-40 FT. LBS. The model and serial numbers will be found on a decal on the rear of the mower housing.
  • Page 12 GRASS CATCHER NOTE: Although multi-viscosityoils (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. wilt result in increased oil consumption • Check your grass catcher often for when used above 32°F.

  • Page 13: Service And Adjustments

    SPARK PLUG TO CHANGE AIR FILTER 1. Remove the air filter by turning Replace spark plugs at the beginning of each mowing season or after every 100 clockwise to the stop and pull away from collar. hours of operation, whichever occurs first. 2.
  • Page 14 TO REMOVE/REPLACE DRIVE B ELT TO ASSEMBLE GRASS CATCHER 1. Remove drive cover. R emove belt 1. Put grass catcher frame into grass bag with rigid part of bag on the bottom. from geamese pulley by pushing down on pulley and rolling belt off it. Make sure the frame handle is outside 2.

  • Page 15: Storage

    Operator Immediately pmpara your lawn mower for storage at the end of the season or if the control bar Fold unit will not be used for 30 days or more. LAWN MOWER When lawn mower is to be stored for a Lower period of time, clean it thoroughly, remove all did, grease, leaves, etc.

  • Page 16: Troubleshooting

    BA'I'rERY • Cover your unit with a suitable protec- tive cover that does not retain moisture. Disconnect thebattery from theengine connector and charge b attery 48hours. Do not use plastic. Plastic cannot breathe, which allows condensation to OTHER form and will cause your unit to rust. IMPORTANT: Never cover mower while •...
  • Page 17 TROUBLESHOOTINGCHART CAUSE CORRECTION PROBLEM 1. Rear _ lawn mower 1. Set to "Higher Cut" Loasofpower position. housing or cutting blade dragging in heavy grass. 2. Set to "Higher Cut" 2. Cutting too much grass. position. 3. Dirty air filter. 3. Cleardreptace air filter. 4.
  • Page 18 GARANTfA L|MITADA DE DOS _OS PAPA LA SEGADORA A MOTOR CRAFTSMAN Pot dos (2) at3os a pertir de la fanha de cornpra cuando esta Segadora Craftsman se mantanga, lubdque y afine segt3ntas instruccionsa para la operacibn y el mantenimiento an el...
  • Page 19 • Nonca permita que los nifios operen la • Nunca opera la maquina ouando la hierba mdquina est6 mojada Aseg0rese siempre de taner buena tracoibn en sus pies; mantenga el •Tenga un cuidado extra cuando se acerque a esquinas donde no hay visibilidad, a los mango firmaments y carnine;...
  • Page 20 _DVERTENCIA: Los bornes, terminates y A_kBusqueeste sfmbok_ que ser3elalas wecaudo- accesonos mlatJvos de la bateda con'denenplomo nes de segpridadde ir,_ Quiem dedr - o cornpuestosde piomo, productosqulmicos liiATENCIbN!!! IIIESTE ALERTO!I! $U conoddos en el Estado de Californiacomo causa SEGURIDAD ESTA COMPROMETIDA. de cdncer y defectos al nacimientou eros da_os _at_mbreRECAUCleN: S_elwpm_e...
  • Page 21 PARA INSTALAR LOS ACCESORIOS Su segadora nueva ha sido montada en la Su segadora fue enviada lista para usarse fdbrica con la excepcibn de aquellas partes como una acolchadora de ospa vegetal. Para qua se dejaron sin montar par razones de convertida de modo que pu6da ensacar, env[o.
  • Page 22 FAMILIARICESE CON SU SEGADORA LEA ESTE MANUAL DEL DUEllO Y LAS REGLAS DE SEGURIDAD ANTES DE OPERAR SU SEGADORA. Compare las ilustracionas con su segadora para familiarizarse con la ubicaci6n de los diversos controles y ajustes. Guarde este manual para referencia en el futuro. Estos simbolos pueden apareser sobre su segadora o en la literature proporclonada con el producto.
  • Page 23 PARA AJUSTAR LA ALTURA I_a operacibn de cualquier CORTE segadora puede hacer que salten objetos extraSos dentro Levante las ruedas para el corte bajo y baje de sos ojos, lo que puede las ruedas para el corte alto., ajuste la altura producir daSos graves en _stos.
  • Page 24 PARA V ACIAR E LRECOGEDOR gasolina con plomo aumentard los CESPED dsp6s_tos de 6xido de plomo y carbono y se 1. Abra l apuarta trasera ylavanto el reducirztla duracibn de la vdlvula). No recogedor dec_sped usando elmango del mszcta el acaita con la gasolina. Para bastidor.
  • Page 25 CONSEJOS PARA SEGAR Y ACOLCHAR IMPORTANTE: No hags arrancar el motor rods de 5 segundos eontinuados. Espere 5 s IMPORTANTE: Para obtener el mejor 10 segundos entre cada vez que irate de rendimeinto mantenga la caja de la segador a hacedo arracoar.
  • Page 26 QUE COMPLETE SU SERVlClO REGULAR _ _'_ _'_'_0_ _" I Revtsat si ha)* su_etadom$ sueltos UmpiarAnspec_onar el recoGedor de c_sped (si viene equipado) flt/ (segador_ conpo_er p ropul_) Ll_ar d_bajo de la cubl_rta de la tra_- sadas Ise_jadoras con F_oderpropu_r) Ro_,sarlascormasyl Lspeleasim Revisar c4afilar/camblar la cuchilla...
  • Page 27 ESPEClFICACIONES DEL PRODUCTO NUMERO DE SERIE: FECHA DE COMPRA: CAPACIDAD Y TIPO DE GASOLINA: 1.5 CUARTOS IREGULAR SIN PLOMO) TIPO DE ACEITE (API-SF-SJ): SAE 30 Isobre 32°F);SAE 5W-30 (debajo 32°F_ CAPAClDAD DE ACEITE: 20 ONZAS BUJIA IABERTURA: .045") CHAMPION RJ19LM4 TORSION DEL PERNO DE LA CUCHILLA:...
  • Page 28 RECOGEDOR DE ClaSPED AVISO: A peesr de que los aceites de multiviscosidad (5W30, 10W30, etc.) mejoran • El recogedor de c6sped puede ser rociado el arranque en clima frlo, estos aceites de con el agua de la manguera pero Uene que multiviscosidad van ha aumentar el consumo estar seco cuando se vaya a usar.
  • Page 29 FILTRO DE AIRE SILENCIADOR Su motor puede sufrir averlas y funcionar de Inspeccione y cambie el silenciador si estd manera incorrecta con un filtro del airs sucio. corro[do puede producir un peligro de Sustituir el papel del cartucho una vez al a_o o incendio y/o daho.
  • Page 30 =_.PRECAUCI(_N: Antes de dar calquier se_'ico o de hacer ajustes: 1. Suelte la barra de control y pare el motor. 2. Asegbmse que la cuchilla y que todas las partes movibles se hayan detanido completamente. Manilla de 3. Desconecte el atambre de la bujfa y mango p_ngslo en donde no pueda entrar en contacto con dsta.
  • Page 31 del carburador, Ileve su segadora a contacts MOTOR con su centro de servicio Sears o con un sirs VELOCIDAD DEL MOTOR cantro de serviclo cualificado para reparada y/ La velOCidaddet motor ha aids ajus_eda en le o ajustarla. fdbdca. No trate de aumentar la velociclad del IMPORTANTE: Nunca manipule el regulador motor pues se pueden producir lesiones...
  • Page 32 ACErFE DEL MOTOR MOTOR Drene el aceite (con el motor cattente) y SISTEMA DE COMBUSTIBLE cdmbielo con aceita de motor limpio. (Vee IMPORTANTE: Es importante evitar clue se =MOTOR" en ta secoibn de Mantenimiento de formsn depbsitos de goma en partes es_e mant:_l.) fundamentales del sistama de combustible ClLINDRO...
  • Page 33 IDENTIFICACI(_N DE PROBLEMAS PROBLEMA CAUSA CORRECClON No arranca Filtro de aire sucio. 1. Limpie/cambie el filtro de aire. Sin combustible. Llene el estanque de combus- tible. Combustible rancio. Drene el estanque y vuelva a Ilenado con combustible fimpio y nuevo. Agua en ei combustible.
  • Page 34 IDENTIFICACION DEPROBLEMAS PROBLEMA CAUSA CORRECClON Vibraci6n 1. Cuchilla desgastada, doblada 1. Cambie la cuchilla. Apriete el exceslva o suelta, pemo de la cuchilla. Ciguehal del motor doblado, P6ngase an contacto con su contro de serviolo Sears o con un otro cantro de servicio cualJricado.
  • Page 35 CRAFTSMAN ROTARY L AWN MOWER-- MODEL NUMB ER 917.378431 GEAR CASE ASSEMBLY -- PART NUMBER 175258 KEY PART DESCRIPTION 17490416 Tapping Screw 1/4-20 x 1-1/4 175248X004 Engagement Bracket 137_o3 Shifter 57O72 SCeJ 48373 Gear Case Halves Kit (Includes Key Numbers 4 and 7)
  • Page 36 CRAFTSMAN ROTARY L AWN MOWER-- MODEL N UMBER 9 17.378431 - 24...
  • Page 37 CRAFTSMAN ROTARY LAWN MOWER- - MODEL NUMBER 917.378431 PART PART DESCRIPTION DESCRIPTION 175391X479 Upper Handle 165912 Bolt 175245)(479 Lower I-kuldle 150078 Threab Cutltng Screw wiSems 5/16-18 x 3/4 169780 ControlBar 19112222 Washer 175083 Bottom Bolt Cover 156577 Engine Zone Control Cable...
  • Page 38 CRAFTSMAN ROTARY LAWN MOWER-- MODEL NUMBER 917.378431 ,';, -.. 12 13 _--37...
  • Page 39 CRAFTSMAN ROTARY LAWN MOWER-- MODEL NUMBER 917.378431 PART KEY PART DI_SCRIP'RON NO. NO. DESCRIPTION 145755 Drive Cover Control Cable Assembly 175065 751152 Locknut #10-24 132010 Hex Flange Nut 158755 Hex Washer Head Screw 1/4-20 x 2.12 137(To2 Drive Pulley 175436...
  • Page 40 MODEL NUMBER 143.016734 CRAFTSMAN 4-CYCLE ENGINE /355 -390 182216 370c 81-" /"z/...
  • Page 41 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.016734 PART I_-Y PART DESCRIPTION DESCRIPTION 37465 Cylinder (Includes Key #2 & 20) 26756 * Carburetor To Intake Pipe Gasket 26727 DoweIPin 37466 ]ntake Pipe 33734 Breather Elernent 32653 Governor Link 36557 Breather Ass'y. (Incl. 6 & 12A) 650831 Screw.
  • Page 42 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143,016734 K_'Y PART DESCRIPTION 640271 Carburetor (Includes Key Number 184 of Engine Parts List) 31615 Throttle Shaft & Lever Assembly 31767 Throtlte Return Spr_ng 631184 "Dust Seet Washer 631183 * Dust Seal (Throttle) 640070 Throttle Shutter...
  • Page 43 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.016734 KEY PART NO. NO. DESCRIPTION 1 ÷ 59071_ ReCOUStarter 59(ToggA Spring Pin (includes Key #4) 590600 Washer 590696 Retainer 590601 Washer 590697 Brake Spdng 590698 Stmler Dog Dog Spnng 590700 Pulley & Rewind Spring Assembly...
  • Page 44 FOrrepairofmajorbrandappliancesIn your own home... no matterwhomade it,no matterwho sold 1-800-4-MY-HOME _ AnyUme, _ayorr_tt 0-_0-4e9-,_) (U.SAand C,_ada) Www.see, rs.c_fn wlMN.seeJr$.c_ Forrepairofcarry-inproducts likevacuums,lawnequipment, a nd electronics, callfor the nearestSears Parts and Repair Center. 1-800-488-1222 ArVane, day orn_ (U.SAody) wwwm Forthe replacement parts,accessories and owner'smanuals thatyou need to do-it-yourself, callSears PartsDirectS"! 1-800-366-PART 6am.-11...