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Craftsman 917.378403 Owner's Manual
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Craftsman 917.378403 Owner's Manual

21" rear discharge 6.75 hp power-propelled rotary lawn mower
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Owner's Manual
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ROTARY LAWN MOWER
6.75 Horsepower
Power-Propelled
21" Rear Discharge
Model No.
917.378403
• EspaSol, p. 18
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 917.378403

  • Page 1 6.75 Horsepower Power-Propelled 21" Rear Discharge Model No. 917.378403 • EspaSol, p. 18 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 Warranty service is available by returning the Craftsman power mower to the nearest Sears Parts & Repair Center in the United States. This warranty applies only while this product is used in the United States.
  • Page 3 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 Record both serial number and date of purchase in space provided above. Repair Protection Agreements Congratulations on making a smart pur- Fast help by phone - phone support chase. Your new Craftsman® product is from a Sears technician on products designed and manufactured for years of requiring in-home repair, plus conve- dependable operation.
  • Page 5 These accessories were available when this lawn mower was produced. They are not shipped with your mower. They are also available at most Sears retail outlets and service centers. Some of these accessories may not apply to your lawn mower. LAWN MOWER PERFORMANCE CLIPPING...
  • Page 6 TO INSTALL ATTACHMENTS HOWTO SET UPYOUR LAWN MOWER Your lawn mower was shipped ready to be used as a mulcher. To convert mower to TO UNFOLD HANDLE bagging, see "TO CONVERT MOWER" in IMPORTANT: Unfold handle carefully so the Operation section of this manual. as not to pinch or damage control cables.
  • Page 7 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 8 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 9 Pivot )ins Rear Grass IMPORTANT: catcher • Check oil level before each use. Add oil handle if needed. Fill to full line on dipstick. • Change the oil after every 25 hours of operation or each season. You may need to change the oil more often under dusty, dirty conditions.
  • Page 10 TO STOP ENGINE with water and let dry before using. • Keep top of engine around starter clear • To stop engine, release operator pres- and clean of grass clippings and chaff. ence control bar. This will help engine air flow and extend TO START ENGINE engine life.
  • Page 11 MAINTENANCE SCHEDULE /_:;,_°_o_y REGO RSERV,CE AS YOU COMPLETE Lubrication It#' CheckTires Check DriveWheels (Power-Propelled Mowers) Check for Loose Fasteners Clean/Inspect Grass Catcher (If Equipped) Clean Lawn Mower RE Clean Under Drive Cover (Power-Propelled Mowers) Check drive belt/pulleys (Power-Propelled Mowers) Check/Sharpen/Replace Blade Clean Battery/Recharge IElectdc Start MowersI Check Engine Oil Level...
  • Page 12 IMPORTANT: Blade bolt is heat treated. LAWN MOWER Always observe safety rules when per- If bolt needs replacing, replace only with approved bolt shown in the Repair Parts forming any maintenance. section of this manual. TIRES • Keep tires free of gasoline, oil, or insect Blade adapter Crankshaft control chemicals which can harm rubber.
  • Page 13 ENGINE 6. Stop adding oil when you reach the FULL mark on the dipstick. Wait a LUBRICATION minute to allow oil to settle. Use only high quality detergent oil rated with 7. Continue adding small amounts of oil, API service classification SF-SJ. Select the rechecking the dipstick until oil level oil's SAE viscosity grade according to your settles at FULL.
  • Page 14 CLEANING • Keep finished surfaces and wheels free of all gasoline, oil, etc. IMPORTANT: For best performance, keep • We do not recommend using a garden mower housing free of built-grass and hose to clean lawn mower unless the trash. Clean the underside of your mower electrical system, muffler, air filter and after each use.
  • Page 15 ENGINE ENGINE SPEED Your engine speed has been factory set. Do not attempt to increase engine speed _late or it may result in personal injury. If you believe that engine is running too fast or too slow, take your mower to a Sears or other qualified service center for repair and adjustment.
  • Page 16 CYLINDER ENGINE 1. Remove spark plug. FUEL SYSTEM 2. Pour one ounce (29 ml) of oil through IMPORTANT: It is important to prevent spark plug hole into cylinder. gum deposits from forming in essential 3. Pull starter handle slowly a few times fuel system parts such as carburetor, fuel to distribute oil.
  • Page 17 TROUBLESHOOTING - See appropriate section in manual unless directed to a Sears Service Center. PROBLEM CAUSE CORRECTION Loss of power 1. Rear of mower housing or 1. Raise cutting height. blade dragging in grass. 2. Cutting too much grass. 2. Raise cutting height. 3.
  • 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 HACER: I. OPERACION • Antes de empezar, debe familiarizarse • Puede recortar a trav6s de la superficie de completamente con los controles y el uso la cuesta, nunca hacia ardba y hacia abajo. correcto de la maquina. Para esto, debe leer Proceda con extrema precauci6n cuando y comprender todas las instrucciones cambie de direcci6n en las cuestas.
  • Page 20 • Ayuda rapida por telefono - soporte tele- nuevo producto Craftsman® estA diseSado f6nico per parte de un t6cnico Sears sobre y fabricado para funcionar de modo fiabie por productos que requieren un arreglo en casa, muchos aSos.
  • Page 21 Estos accesorios estaban disponibles cuando se produjo la segadora. No son facilitados junto al ¢ortacesped. Tambi6n est&n disponibles en la mayoria de las tiendas de Sears yen los centros de servicio. Algunos de estos accesorios tal vez no se apliquen a su segadora. RENDIMIENTO DE LA SEGADORA DE RECORTES...
  • Page 22 PARA REMOVER LA SEGADORA LA CAJA DE CARTON Mango del Remueva las partes sueltas que se incluyen bastidor del con la segadora. Corte las dos esquinas de los extremos de la caja de cart6n y tienda el panel del extremo piano. Remueva todo el material de empaque, ex- cepto la cuSa entre el mango superior y 61 inferior, y la cui_a que sujeta la barra de los...
  • Page 23 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 24 Si las condiciones no mejoran despu6s de los Laoperaci6n d ecualquier pasos descritos (la velocidad hacia adelante segadora puedehacerque queda la misma), la correa de transmisi6n satten objetos extrafios dentrode estA desgastada y tiene que ser sustituida. susojos,Ioquepuedeproducir dafiosgraves en_stos. S iempre AMISO: Si el segadora comienza "a arrastrarse"...
  • Page 25 AGREGUE GASOLINA _Pasadordelc Mango del trasera bastidordel • Llene el estanque de combustible hasta recogedor la parte inferior del cuello de relleno del de c_sped estanque de gasolina. No Io Ilene demasiado. Use gasolina regular, sin plomo, nueva y lim- pia con el minimo de 87 octanos.
  • Page 26 2. Sujete la barradecontrol q ueexigela CONSEJOS PARA SEGAR Y ACOL- presencia d eloperador a bajoenelmango y CHAR girela Ilaveparaetarranque el_ctrico enel IMPORTANTE: Para obtener el mejor sentido delasmanillas delrelojparahacer rendimiento mantenga la caja de la segadora arrancar e l motor. sin acumulacion de cesped y basura.
  • Page 27 PROGRAMA DE MANTENIMIENTO //// -/._'_"_ Lubdcaci_n Controlar los neumdficos Controlar lasrusdas mortices (segadoras con poder propulsor) Revisar s i Id / hay sujetadores sueltos Limpiar/inspeccionar el recogedor de c_sped (si viene equipado) Limpiar l asegadora delacubierta d e latrans- misi6n (segadoras conpoder p ropulsor) Limpiar debajo (segadoras sadas...
  • Page 28 SEGADORA Use un bloque de madera entre la cuchilla y la caja de la segadora y apdete et perno Siempre observe las reglas de seguridad cu- de la cuchilla girAndolo en el sentido en que ando haga el mantenimiento. giran las manillas del reloj. LLANTAS •...
  • Page 29 • Lacajadeengranajes s e llenaconlubricante Echar aceite despacio en el conducto del hastael nivel a decuado enlafAbrica. La aceite, par&ndose a intervalos regulares Qnica vezqueel lubdcante necesita atenci6n para controlar el nivel del aceite con la escuando se le haprestado servicio a la varilla.
  • Page 30 LIMPIEZA • Mantenga las superficies pulidas y las rue- das sin gasolina, aceite, etc. IMPORTANTE: Para obtener el mejor • No recomendamos el uso de una manguera rendimineto, mantenga ta caja de la segadora de jardfn para limpiar la segadora a menos sin acumulacion de cesped y basura.
  • Page 31 MOTOR VELOCIDAD DEL MOTOR La velocidad del motor ha sido ajustada en la f_,- Panelde brica. No trate de aumentar la velocidad del motor mango pues se pueden producir lesiones personales. Si cree que el motor est#, funcionando demasiado rApido o demasiado lento, Ileve su segadora mas con su centro de servicio Sears o con un otro centro de servicio cualificado.
  • Page 32 ACEITE DEL MOTOR MOTOR Drene el aceite (con el motor caliente) y cAmbielo SISTEMA DE COMBUSTIBLE con aceite de motor limpio. (Vea "MOTOR" en la IMPORTANTE: Es importante evitar que secci6n de Mantenimento de este manual.) se formen depositos de coma en partes CILINDRO fundamentales det sistemade combustible tales...
  • Page 33 SOLUCION DE PROBLEMAS - Vea la secci6n apropiada en el manual amenos que estd dirigido a un centro de servico Sears. CORRECCI()N PROBLEMA CAUSA Falta de Eleve la attura de corte. 1. Cuchilla desgastada, doblada fuerza o suelta. Eleve la altura de corte. Altura de las ruedas dispareja.
  • Page 34 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378403...
  • Page 35 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378403 PART PART DESCRIPTION DESCRIPTION Bolt 186111 Upper Handle (Includes Grip) 184193 175245X479 Lower Handle 176185 Washer 182815 Control Bar 53998 Washer 182755 Screw Engine Zone Control Cable 173715 131959 Handle Bolt...
  • Page 36 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378403 ,lltl...
  • Page 37 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378403 PART PART DESCRIPTION DESCRIPTION 185685 Pawl Vari-Speed Drive Control Assembly 175098 169911 Retainer, Drive, LH Bearing, Wheel Adjuster 175106 175262 Pan Head Tapping Screw #10-24 x 2-3/4 175103 Gear, Pinion 185681...
  • Page 38 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378403 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 125K07-0263-E1 I 1019 LABEL KI_ 52511 10%_...
  • Page 40 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125K07-0263-E1 443_ 163_ 977 CARBURETOR GASKET SET 276_ 127_ 276 _...
  • Page 41 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125K07-0263-E1 969 W 332 _ 592_ 689 O 697_ 1036 EMISSIONS LABEL I...
  • Page 42 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125K07-0263-E1 358 ENGINE GASKET SET 20 @ 842_ 524'_ 334_ 562_ 5O5 _ 5101 742 _ 937_ 783_ 784_ 651 t '_ 1119 910_ PART PART DESCRIPTION DESCRIPTION 697322 499425 Cylinder Assembly Ring Set-Piston (Standard) 399269 499426 Kit-Bushing/Seal...
  • Page 43 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125K07-0263-E1 PART PART DESCRIPTION DESCRIPTION 698588 Cover-Control 691421 Housing-Rewind Starter 497680 Starter-Rewind 692259 Rope-Starter (Cut to Length) 281434 Grip-Starter Rope 691340 Screw (Muffler) 690340 Retainer-Governor Shaft 690837 Screw (Rewind Starter) 698881 Crank-Governor 691740 Lock-Muffler Screw 691636 Screw (Throttle Valve)
  • Page 44 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. For Sears professional installation of home appliances...