Craftsman 917.378941 Owner's Manual
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Craftsman 917.378941 Owner's Manual

7.0 horsepower power-propelled 21" multi-cut rotary lawn mower
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Owner's Manual
CRAFTSMAN °
ROTARY LAWN MOWER
7.0 Horsepower
Power-Propelled
21" Multi-Cut
Model No.
917.378941
• EspaSol, p. 19
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.com/craftsman
U.S.A.

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  • Page 1 ROTARY LAWN MOWER 7.0 Horsepower Power-Propelled 21" Multi-Cut Model No. 917.378941 • EspaSol, p. 19 CAUTION'. Read and follow all Safety Rules and Instructions before operating this equipment U.S.A. Sears, Roebuck and Co., Hoffman Estates, IL 60179 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: General 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: Specifications

    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: Lawn Mower

    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 Assemble Grass Catcher

    Read these instructions and this manual in Operator presence its entirety before you attempt to assemble control bar or operate your new lawn mower. Upper handle IMPORTANT: This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine. Your new lawn mower has been assembled at LIFT the factory with the exception of those parts left unassembled...

  • Page 7: Lawn Mower Overview

    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...
  • Page 8 O _rator presence control bar The operationof any lawn SAFETVG'ASSES mowercan result in foreign objects thrown into the eyes, which can result in Thumb= severe eye damage. Always Drive wear safety glasses or eye shields while control bar operating your lawn mower or performing DRIVE DRIVE any adjustments...

  • Page 9: To Convert Mower

    TO CONVERT MOWER Your lawn mower was shipped ready to be used as a mulcher. To convert to bagging or discharging: REAR BAGGING , Lift rear door of the lawn mower and place the grass catcher frame hooks onto the door pivot pins. •...

  • Page 10: Before Starting Engine

    TO EMPTY GRASS CATCHER NOTE: Do not remove the silver foil seal on the side of cartridge that snaps into 1. Lift up on grass catcher using the frame handle. fuel cap. 2. Grasp the white peel tab and pull to 2.

  • Page 11: To Start Engine

    MULCHING MOWING TIPS TO START ENGINE NOTE: Due to protective coatings on the IMPORTANT: For best performance, engine, a small amount of smoke may be keep mower housing free of built-up present during the initial use of the prod- grass and trash. See "CLEANING" in the uct and should be considered norma!.

  • Page 12: Maintenance Schedule

    MAINTENANCE EVERY EVERY BEFORE AFTER EVERY 25 HOURS BEFORE EAC H EAC H SCHEDULE USE USE HOURS STO RAG E OR SEASON HOURS Check for Loose Fasteners ,_ Clean / Inspect Grass Catcher * Check Tires Check Drive Wheels *** Clean Lawn Mower**** M Clean under Drive Cover *** O Check Drive Belt / Pulleys ***...

  • Page 13: Blade Care

    IMPORTANT: Blade bolt is heat treated. LAWN MOWER If bolt needs replacing, replace only with Always observe safety rules when per- 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...

  • Page 14: Engine Lubrication

    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.
  • Page 15 CLEANING • Keep finished surfaces and wheels free iMPORTANT: For best performance, keep of al! gasoline, oil, etc. mower housing free of built-grass and • We do not recommend using a garden trash. Clean the underside of your mower hose to clean lawn mower unless the after each use.
  • Page 16 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. CARBURETOR Your carburetor is not adjustable. If your engine does not operate properly due to sus- pected carburetor problems, take your lawn...

  • Page 17: Troubleshooting

    ENGINE OIL ENGINE FUEL SYSTEM Drain oil (with engine warm) and replace with clean engine oil. (See "ENGINE" in IMPORTANT: It is important to prevent the Maintenance section of this manual). gum deposits from forming in essential CYLINDER fuel system parts such as carburetor, fuel 1.
  • Page 18 TROUBLESHOOTING =See appropriate section in manual unless directed to a Sears Service Center. CAUSE PROBLEM 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 19 El servicio de garantia esta disponible al devolver la segadora a motor Craftsman al Centro de Servicio Sears mas cercano en los Estados Unidos. Esta garantia se aplica solamente mientras el producto este en uso en los Estados Unidos.
  • Page 20 I. OPERACION HACER: • Puede recortar a traves de la superficie de • Antes de empezar, debe familiarizarse comple- tamente con los controles y el uso correcto de la cuesta, nunca hacia arriba y hacia abajo. la maquina. Para esto, debe leer y comprender Proceda con extrema precauci6n cuando todas las instrucciones que aparecen en la ma- cambie de direcci6n en las cuestas.
  • Page 21 Congratulaciones por su buena compra. Ayuda rapida por telefono - soporte tele= nuevo producto Craftsman® esta disefiado f6nico por parte de un tecnico Sears sobre y fabricado para funcionar de modo liable pot productos que requieren un arreglo en casa, muchos afios.
  • Page 22 Estos accesorios estaban disponibles cuando se produjo la segadora. No son facilitados junto cortacesped. Tambien estan disponibles en la mayoria de las tiendas de Sears y en los centros de servicio. Algunos de estos accesorios tal vez no se apliquen a su segadora. RENDIMIENTO DE LA SEGADORA DESVIADOR...
  • Page 23 Lea estas instrucciones y este manual comple- Barra de control que sxic la presencia det operador tamente antes de tratar de montar u operar su segadora nueva. Mango superior IMPORTANTE: Este cortacesped viene SIN ACEITE O GASOLINA en el motor. Mango Inferior Su segadora nueva ha sido montada en la fabrica LEVANTAR...
  • Page 24 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...
  • Page 25 Barra de control que _xige ta presencia det operador La operaci6n decualquier segadora puedehacerque SEGURIDAD saltenobjetos extrafios dentrode susojos,Ioquepuedeproducir dafiosgravesenestos.Siempre Tornillo useanteojos deseguridad o protecci6n para de apriete Barra de losojosmientras operesu segadora o cuando manual accionamiento hagaajusteso reparaciones. Recomendamos gafaso unamascara desegufidad devisi6n PARA ENGANCHAR CONTROLDELA...
  • Page 26 PARA CONVERTIR LA SEGADORA Su segadora fue enviada lista para usarse como acolchadora de capa vegetal. Para convertirla a una operaci6n de ensacado o de descarga: SEGADORAS CON DESCARGA TRASERA * Levantar la puerta trasera de cortacesped y colocar los ganchos del armaz6n de la recolectora de hierba en los pasadores del quicio de la puerta.
  • Page 27 Sustituir el cartucho cuando esta vacio (aproxi- madamente uno cada temporada). Controlar visualmente el nivel del preservador. ,i_ PELIGRO: El fluido del cartucho es DANINO O LETAL SI SE TRAGA. Evitar el contacto con los ojos, la piel o la ropa. No asirlo internamente.
  • Page 28 PARA HACER ARRANCAR EL MOTOR CONSEJOS PARA SEGAR Y ACOL- CHAR AVISO: Debido alas capas protectoras del mo- tor, una cantidad pequefia de humo puede es- IMPORTANTE: Para obtener el mejor tar presente durante el uso inicial del producto rendimiento mantenga la caja de la segadora y se debe considerar normal.

  • Page 29: Mantenimiento

    PROGRAMA ANTES DESPUES CADA CADA CADA ANTES DEL MANTENIMIENTO DE CADA DE CADA 25 HORAS O ALMACE- HORAS TEMPORADA HORAS NAMIENTO Revisar si hay Sujetadores Sueltos Limpiar/Inspeccionar el Recogedor de Cesped * Controlar los NeumAticos Controlar las Ruedas Motrices *** Limpiar la Segadora ..
  • Page 30 SEGADORA Adaptador de la / ciguenal Siempre observe las reglas de seguridad cu- Ranura-_ ando haga el mantenimiento. Arandeta de Cuchitla LLANTAS • Mantenga las Ilantas sin gasolina, aceite o substancias quimicas para control de insec- tos que pueden dafiar la goma. •...
  • Page 31 Parar de a_adir aceite cuando se alcanza la MOTOR sepal de Ileno (FULL) en la varilla. Esperar un LUBRICACION minuto para dejar que el aceite se arregle. Use solamente aceite de detergente de alta ContinQe agregando cantidades pequeas calidad clasificado con la clasificaci6n SF-SJ de de aceite y vuelva a inspeccionar la varilla...
  • Page 32 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 la caja de la segadora de jardin para limpiar la segadora a menos sin acumulacion de cesped y basura.
  • Page 33 nando demasiado rapido o demasiado lento, Ileve su segadora a mas con su centro de servicio Sears o con un otto centro de servicio cualificado. CARBURADOR Su carburador tiene un chorro principal fijo no ajustable para controlar la mezcla. Si su motor no esta funcionando en forma adecuada debido a problemas que se sospecha vienen...
  • Page 34 MOTOR AVISO: El sistema tap6n del carburante y car- tucho FRESH START rMgotea automaticamente SISTEMA DE COMBUSTIBLE un preservador concentrado de carburante en el IMPORTANTE: Es importante evitar que dep6sito del carburante yes una aceptable alter- se formen depositos de coma en partes nativa a afiadir un estabilizador de carburante.
  • Page 35 SOLUCION DE PROBLEMAS - Vea la secci6n apropiada en el manual amenos est_ dirigido a un centro de servico Sears. CAUSA PROBLEMA CORRECCION Falta de Eleve la altura de corte. 1. Cuchilla desgastada, doblada fuerza o suelta. Eleve la altura de corte. Altura de las ruedas dispareja.

  • Page 36: Craftsman Rotary Lawn Mower Parts

    CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378941 3938 t2 30...
  • Page 37 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378941 PART PART DESCRIPTION DESCRIPTION 185508X479 Bolt Upper Handle 184193 151721X479 Lower Handle 850733X004 Bracket, Upstop 182810 Control Bar 176185 Washer, Step 182755 Pushnut Engine Zone Control Cable 176235 Screw 131959 Handle Bolt...
  • Page 38 CRAFTSMAN ROTARY LAWN MOWER - "MODEL NUMBER 917.378941 Iljl al0_"...
  • Page 39 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378941 PART PART DESCRIPTION DESCRIPTION 189182 Drive Control Assembly 180915 Kit, Wheel Adjuster, LH 169911 Bearing, Wheel Adjuster (includes Knob and Bearing) 175262 Screw, Pan Head, Tapping #10-24 x 2-3/4 187212 Gear Case Assembly, Complete...
  • Page 40 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 128602=0304=E1 584_4_ 1022_51A 029_ 238_ 1034 • 914_ 914_ 1022 1058 OWNER'S MANUAL I 32A_ 1095 VALVE OVERHAUL 868_ 163_ lS8 20...
  • Page 41 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 128602=0304=E1 16330 592 ® 97__J 259_ 137_ ._._ 127_ 1350 2221 121 CARBURETOR OVERHAUL 287_ 633 _ 104_:_ ,163_ 127_ 134_ _" 51 977 CARBURETOR GASKET 524_...
  • Page 42 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 128602=0304=E1 592 _ 1005 459 @ 689 o 1211 J1330 REPAIR MANUAL 334 _' 48 35___ 358 ENGINE GASKET 1022 1019 LABEL KIT 1036 EMISSION LABEL 1329 REPLACEMENT ENGINE PART PART DESCRIPTION DESCRIPTION 692670 690021 Cylinder Assembly...
  • Page 43 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 128602=0304=E1 PART PART DESCRIPTION DESCRIPTION 692748 Short Block 95162 Clamp-Hose 692668 ,O$+Gasket-lntake 497680 Starter-Rewind 697735 Gasket-Intake 691108 Screw (Muffler) 691421 Housing-Rewind Starter 613A 691140 Screw (Muffler) 697316 Rope-Starter (Cut to Length) 690340 Retainer-Governor Shaft 281434 Grip-Starter Rope...
  • 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...

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