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Craftsman 917.378481 Owner's Manual

Rotary lawn mower 6.75 horsepower power-propelled 21" rear discharge
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Owner's Manual
IC..FTSMnWl
ROTARY LAWN MOWER
6.75 Horsepower
Power-Propelled
21" Rear Discharge
Model No.
917.378481
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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  • Page 1 IC..FTSMnWl ROTARY LAWN MOWER 6.75 Horsepower Power-Propelled 21" Rear Discharge Model No. 917.378481 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: Table Of Contents

    Warranty service is available by returning the Craftsman power mower to the nearest Sears Service Center/Department in the United States. This warranty applies only while this product is used in the United States.

  • Page 3: Operation

    I. GENERAL OPERATION II. SLOPE OPERATION • Read, understand, and follow all Slopes are a major factor related to slip instructions on the machine and in the and fall accidents which can result in manual(s) before starting. Be thoroughly severe injury. All slopes require extra cau- familiar with the controls and the proper tion.

  • Page 4: Maintenance

    • Never make adjustments or repairs with • Never attempt to make wheel height the engine (motor) running. Disconnect adjustments while the engine (motor) is the spark plug wire, and keep the wire running. away from the plug to prevent accidental •...
  • Page 5 Read these instructions and this manual in Operator presence its entirety before you attempt to assemble control bar or operate your new lawn mower. IMPORTANT: This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine. Your new lawn mower has been as- LIFT sembled at the factory with the excep- tion of those parts left unassembled...
  • 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 for future reference. These symbols may appear on your lawn mower or in literature supplied with the product.
  • Page 7 1. Turn unit off and disconnect spark plug The operationof any lawn wire from spark plug. mowercan result in foreign 2. Rotate thumbscrew counter-clockwise objectsthrown into the to tighten the drive cable. eyes, which can result in 3. Operate mower to test drive speed. severeeye damage.Always 4.
  • Page 8 Pivot )ins Rear Grass • Change the oil after every 25 hours of catcher operation or each season. You may handle need to change the oil more often under dusty, dirty conditions. ADD GASOLINE • Fill fuel tank to bottom of tank filler neck. Do not overfill.
  • Page 9 MULCHING MOWING TIPS TO STOP ENGINE • To stop engine, release operator pres- IMPORTANT: For best performance, ence control bar. keep mower housing free of built-up NOTE: In cooler weather it may be neces- grass and trash. See "CLEANING" in the Maintenance section of this manual.
  • Page 10 Check for Loose Fasteners Clean/Inspect Grass Catcher (If Equipped) Clean Lawn Mower Clean Under Drive Cover (Power-Propelled Mowers) Check drive belt/pulleys (Power-Propelled Mowers) Check/Sharpen/Replace Blade I_/g Lubrication Chart Clean Battery/Recharge (Electric Start Mowers) BE Check Engine Oil Level Change Engine Oil I1/1,2 Clean Air Filter Inspect Muffler...

  • 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: .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 water, but must be dry when used. cold weather, these multi-viscosity oils will • Check your grass catcher often for damage result in increased oil consumption when or deterioration.

  • Page 13: Service And Adjustments

    AIR FILTER SPARK PLUG Your engine will not run properly and may Replace spark plug at the beginning of be damaged by using a dirty air filter. each mowing season or after every 100 Replace the air filter every 100 hours of hours of operation, whichever occurs operation or every season, whichever oc- first.
  • Page 14 TO REMOVE DRIVE BELT 1. Remove drive cover and belt keeper. 2. Remove belt from gearcase pulley by pushing down on pulley and rolling belt off it. 3. Turn lawn mower on its side with air filter and carburetor down. Anti-fold 4.

  • Page 15: Storage

    Operator presence Mowing position Immediately prepare your lawn mower for control bar storage at the end of the season or if the unit will not be used for 30 days or more. LAWN MOWER When lawn mower is to be stored for a pe- Lower riod of time, clean it thoroughly, remove all handie_...

  • Page 16: Troubleshooting

    CYLINDER • If possible, store your unit indoors and cover it to protect it from dust and dirt. 1. Remove spark plug. • Cover your unit with a suitable protective 2. Pour one ounce (29 ml) of oil through cover that does not retain moisture. spark plug hole into cylinder.
  • 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. 2. Cutting too much grass. 2.
  • Page 18 Contratapa GARANTiA LIMITADA DE DOS AI_IOS PARA LA SEGADORA A MOTOR CRAFTSMAN Per dos (2) aSos, a partir de la fecha de compra, cuando esta Segadora Craftsman se mantenga, lubrique y afine segSn las instrucciones para la operaci6n y el mantenimiento en el manual del dueSo, Sears repararA gratis todo defecto en el material y la mane de obra.

  • Page 19: Operaci6N

    II. OPERACION SOBRE LAS CUESTAS L OPERACION Los accidentes ocurren con mAs frecuencia en • Antes de empezar, debe familiarizarse las cuestas. Estos accidentes ocurren debido a completamente con los controles y el uso resbatadas o cafdas, tas cuales pueden resultar correcto de la maquina.

  • 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. Rep_,relo, si es necesario, antes de hacerlo arrancar. • Nunca haga ajustes o reparaciones mientras el motor est6 en marcha. Desconecte •...
  • Page 21 Lea estas instrucciones y este manual comple- Barra de control c la presencia del operador tamente antes de tratar de montar u operar su Mango superior segadora nueva. IMPORTANTE: Este cortac_sped viene SIN ACEITE O GASOLINA en el motor. Mango Inferior Su segadora nueva ha side montada en la LEVANTAR f&brica con la excepci6n de aquellas partes que...
  • Page 22 FAMILIARICESE CON SU SEGADORA LEA ESTE MANUAL DEL DUENO Y LAS REGLAS DE SEGURIDAD ANTES DE OPARAR 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 literatura proporcionada con el producto.
  • Page 23 Si las condiciones no mejoran despu6s de los La operaci6n de cualquier pasos descritos (la velocidad hacia adelante segadora puede hacer que queda la misma), la correa de transmisi6n satten objetos extrafios dentro de estA desgastada y tiene que ser sustituida. sus ojos, Io que puede producir AMISO: Si el segadora comienza "a arrastrarse"...
  • Page 24 • Cambie el aceite despu6s de 25 horas de _Pasadordelc Mango del trasera bastidordel operaci6n o una vez pot temporada. Puede recogedor necesitar cambiar el aceite mAs a menudo de c_sped cuando las condiciones son polvorosas o sucias. AGREGUE GASOLINA •...
  • Page 25 Sujete la barra de controles que exigen la CONSEJOS PARA SEGAR Y ACOL- presencia del operador abajo en el mango CHAR y tire el mango del arrancador rapidamente. IMPORTANTE: Para obtener el mejor No permita que el cord6n arrancador se rendimiento mantenga la caja de la segadora devuelva abruptamente.

  • Page 26: Programa De Mantenimiento

    o.oo.,., LLENE LAS FECHAS A MEDIDA _.G.j__"O_ O._RO_O_ Revisarsi hay sujetadores sueltos Lirnpiar/inspeccionar el recogedor de crisped (siviene equipado) Limpiar l asegadora misi6n (segadoras conpoder p ropulsor) AG Limpiar debajo delacubierta delatrans- sadas (segadoras conpoder propulsor) Revisar l ascorreas y laspoleas impul- Revisar o /afilar/cambiar lacuchilla Tabladelubricacibn...

  • Page 27: Especificaciones Del Producto

    ESPECIFICACIONES DEL PRODUCTO Nt_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 Bujfa (Abertura: .030") Champion RJ19LM o J19LM Torsi6n...
  • Page 28 RECOGEDOR DE ClaSPED AVISO: A pesar de que los aceites de multi- viscosidad (5W30, 10W30, etc.) mejoran el • El recogedor de c_sped puede ser rociado arranque en clima if[o, estos aceites de mul- con el agua de la manguera pero tiene que tiviscosidad van ha aumentar el consumo de estar seco cuando se vaya a usar.
  • Page 29 BUJ|A FILTRO DE AIRE Su motor puede sufdr aver[as y funcionar de Cambie et bujia at comienzo de cada tempo- manera incorrecta con un filtro del aire sucio. rada de siega o despu6s de cada 100 horas Sustituir el papel del cartucho una vez al aSo de operaci6n, 1o que suceda primero.
  • Page 30 PARA REMOVER LA CORREA DE IMPUL- SION Remueva la cubierta de la impulsi6n y fijador de la correa. 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 Soporte hacia arriba.

  • Page 31: Almacenamiento

    Barra de control c Inmediatamente prepare su segadora para el Posici6n para segar exige la presencia almacenamiento al final de cada temporada o si del operador la unidad no se va a usar por 30 dias o mas. SEGADORA Cuando se va a guardar la segadora por cierto periodo de tiempo, limpiela cuidadosamente, Mango remueva toda la mugre, la grasa, las hojas, etc.
  • Page 32 CILINDRO • Cubra su unidad con un forro protector Remueva la bujia. adecuado que no retenga la humedad. No Vacfe una onza (29 ml) de aceite a trav_s use pl_,stico. El plAstico no puede respirar, Io del agujero de la bujfa en el cilindro. que permite la formaci6n de condensaci6n, Tire la manilla de arranque lentamente unas Io que producir#, ta oxidaci6n de su unidad.
  • Page 33 PROBLEMA CAUSA CORRECCI()N Falta de 1. Cuchilla desgastada, doblada Ajuste a la posici6n de fuerza o suelta. "Corte m_s alto? Altura de las ruedas dispareja. Ajuste a la posici6n de "Corte m&s alto? Velocidad del motor lenta. Limpie/cambie el filtro de aire. Acumulaci6n de c_sped, hojas o Limpie la parte inferior de la...
  • Page 34 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378481 ,°\ "\...
  • Page 35 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378481 PART PART DESCRIPTION DESCRIPTION 186111 Upper Handle, with Grip 175060X004 Selector Spring 151721X479 Lower Handle 165762X004 Axle Arm Assembly LR 185503 Control Bar 180626 Hubcap 182755 Bolt Engine Zone Control Cable...
  • Page 36 ¢o...
  • Page 37 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378481 PART PART DESCRIPTION DESCRIPTION 185685 Drive Control Assembly 187212 Gear Case Assembly (See Breakdown) 175262 Locknut 1/4-20 Pan Head Tapping Screw #10-24 x 2-3/4 63601 185681 Screw 182226 Spring 169778 V-Belt...
  • Page 38 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378481 GEAR CASE ASSEMBLY - - PART NUMBER 187212 PART DESCRIPTION 187525 Case, Lower 187526 Case, Upper 183499 Gear, 27 Teeth 187527 Shaft, Input 187528 Spacer 183505 Wire, Formed 183506 Bearing, Ball...
  • Page 39 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 123K02-0273-E1 I 1019 LABEL KI_1 52511 718_...
  • Page 40 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 123K02-0273-E1 _88_ 443_ 970 %_ 163_ 977 CARBURETOR 633 @ GASKET SET 276_ 127_ 11171 276 _...
  • Page 41 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 123K02-0273-E1 332 _ 363_ 592_ 689 O 697_ 1036 EMISSIONS LABEL I...
  • Page 42 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 123K02-0273-E1 358 ENGINE GASKET 20 _ 842_ 524_ 562 _ 505 _ PART PART DESCRIPTION DESCRIPTION 499425 697322 Cylinder Assembly Ring Set-Piston (Standard) 499426 399269 Kit-Bushing/Seal Ring Set-Piston (.010" Oversize) 499427 299819 • Seal-Oil (Magneto Side) Ring Set-Piston (.020"...
  • Page 43 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 123K02-0273-E1 PART PART DESCRIPTION DESCRIPTION 691421 Housing-Rewind Starter 692342 Cover-Breather Passage 692259 Rope-Starter (Cut to Length) 691879 • Gasket-Breather Passage 281434 Grip-Starter Rope 690800 Nut (Rewind Starter) 690837 Screw (Rewind Starter) 691696 Screw (Pawl Friction Plate) Clamp-Hose 691108 Screw (Flywheel Guard)
  • Page 44 Get it fixed, at your home or ours! Your Home For repair - in your home - of all major brand appliances, lawn and garden equipment, or heating and cooling systems, no matter who made it, no matter who sold it! For the replacement parts, accessories owner's manuals that you need to do-it-yourself.

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