Craftsman 917.378921 Owner's Manual
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Craftsman 917.378921 Owner's Manual

Rotary lawn mower 6.75 horsepower power-propelled 21" multi-cut
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Owner's Manual
CRA
ROTARY LAWN MOWER
6.75 Horsepower
Power-Propelled
21" Multi-Cut
Model No.
917.378921
• EspaSol, p. 19
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 6.75 Horsepower Power-Propelled 21" Multi-Cut Model No. 917.378921 • EspaSol, p. 19 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 Sears will repair free of charge any defect in material or workmanship. If this Craftsman Lawn Mower is used for commercial or rental purposes, this warranty applies for only 90 days from the date of purchase.
  • Page 3 I. GENERAL OPERATION • Always wear safety goggles or safety glasses with side shields when operating • Read, understand, and follow all mower. instructions on the machine and in the manual(s) before starting. Be thoroughly II. SLOPE OPERATION familiar with the controls and the proper Slopes are a major factor...
  • Page 4 • Never fill containers inside a vehicle, • Keep nuts and bolts, especially blade a truck or trailer bed with a plastic liner. attachment bolts, tight and keep equip- Always place containers on the ground ment in good condition. away from your vehicle before filling.
  • Page 5 Repair Protection Agreements Congratulations on making a smart pur- Fast help by phone - phone support chase. Your new Craftsman® product from a Sears technician on products designed and manufactured for years of requiring in-home repair, plus conve- dependable operation.
  • Page 6 Read these instructions and this manual Operator presence control bar its entirety before you attempt to assemble 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- sembled at the factory...
  • 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 future reference. These symbols may appear...
  • Page 8 The operationof any lawn mowercan result in foreign objectsthrown into the eyes, which can result in severe eye damage. Always wear safety glasses or eye shields while operating your lawn mower or performing DRIVE DRIVE any adjustments or repairs. We recom- CONTROL CONTROL mend...
  • Page 9 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 place the grass catcher frame hooks onto the door pivot pins. •...
  • Page 10 Snap cartridge into bottom of fuel cap. NOTE: Do not remove the silver foil seal TO EMPTY GRASS CATCHER on the side of cartridge that snaps into 1. Lift up on grass catcher using the fuel cap. frame handle. Grasp the white peel tab and pull to Remove grass catcher with clippings...
  • Page 11 TO STOP ENGINE MULCHING MOWING TIPS • To stop engine, release operator pres- IMPORTANT: For best performance, ence control bar. keep mower housing free of built-up grass and trash. See "CLEANING" in the TO START ENGINE Maintenance section of this manual. NOTE: Due to protective coatings...
  • Page 12 MAINTENANCE BEFORE AFTER EVERY EVER EVERY BEFORE EACH EACH 25 HOURS SCNEI)ULE USE USE HOURS ORSEASON HOURS STORAGE r, ., Check for Loose Fasleners Clean / Inspect Grass C_tcher * Check Tires Check Drive Wheels *** Clean Lawn Mower ..Clean under Drive Cover *** Check Drive Beg / Pulleys *** Check / Sharpen / Replace Blade...
  • Page 13 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 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 Continue adding small amounts of oil, API service classification SG-SL. Select the rechecking the dipstick...
  • Page 15 CLEANING • Keep finished surfaces and wheels free IMPORTANT: For best performance, keep of all gasoline, oil, etc. mower housing free of built-grass • 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 other qualified service center for repair and adjustment. CARBURETOR Your carburetor is not adjustable. If your engine does not operate properly due to sus-...
  • Page 17 ENGINE ENGINE FUEL SYSTEM Drain oil (with engine warm) and replace with clean engine oil. (See "ENGINE" IMPORTANT: It is important to prevent the Maintenance section of this manual). deposits from forming in essential CYLINDER fuel system parts such as carburetor, fuel Remove spark...
  • Page 18 TROUBLESHOOTING appropriate - See section in manual unless directed to a Sears Parts & Repair Center. PROBLEM CAUSE CORRECTION Loss of power Rear of mower housing 1. Raise cutting height. blade dragging in grass. Cutting too much grass. Raise cutting height.
  • Page 19 Sears repararA gratis todo defecto en el material y la mano de obra. Si la Segadora Craftsman se usa para fines comerciales o de arriendo, esta garant fa s61o se aplica pot noventa (90) dfas a partir de la fecha de compra.
  • Page 20 I. OPERACION Siempre use gafas de seguridad o anteojos con protecci6n lateral cuando opere la sega- • Antes de empezar, debe familiadzarse dora. completamente con los controles y eI uso correcto de la maquina. Para esto, debe leer y comprender todas las instrucciones que U.
  • Page 21 • Nunca repostar la m_quina al interior de un • Mantenga las tuercas y los pemos, espe- local. cialmente los pemos del accesorio de la • Nunca guardar la m&quina o el contenedor cuchilla, apretados y mantenga el equipo en buenas condiciones.
  • Page 22 Congratulacionea por su buena compra. Su • Ayuda rapida por tel_fono - soporte tele- nuevo products Craftsman® esta diseSado f6nico pot parte de un t_cnico Sears sobre y fabricado pars funcionar de roods flable por productos que requieren un arreglo en casa, muchos aSos.
  • Page 23 Lea estas instrucciones y este manual comple- Barrade control la presencia det operador tamente antes de tratar de montar u operar su Mango superior segadora nueva. IMPORTANTE: Este cortac6sped viene SIN ACEITE O GASOLINA en el motor. Mango Inferior Su segadora nueva ha sido montada en la LEVANTAR fAbrica con la excepci6n de aquellas partes que se dejaron sin montar por razones de env[o.
  • 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 ubioaci6n de los diversos controles y ajustes, Guarde este manual para referencia en el futuro. Estos stmbolos pueden apareser sobre su segadora o en la literatura proporcionada con el...
  • Page 25 perador Laoperaci6n decualquier segadora puedehacerque saltenobjetos extrafios dentro de sus ojos, Io que puede producir daSos graves en 6stos. Siempre de apriete Barfs use anteojos de seguridad o protecci6n pare £aar_uEtl _cc{onamiento los ojos mientras opere su segadora o cuando haga ajustes o reparaciones.
  • Page 26 PARA CONVERTIR LA SEGADORA Su segadora fue enviada lista para usarse como acolohadora de capa vegetal. Para convertirla a una operaci6n de ensacado o de descarga: SEGADORAS CON DESCARGA TRASERA • Levantar la puerta trasera de cortac6sped y colocar los ganchos del armaz6n de la recolectora de hierba en los pasadores del quicio de la puerta.
  • Page 27 Enrocar el tap6n del carburante en e{ dep6sito de{ carburante despu6s de Ilenar el dep6sito con gasolina. Sustituir el cartucho cuando estA vacfo (aproxi- madamente uno cada temporada). Controlar visualmente el nivel del preservador. PELIGRO: El fluido del cartucho es Mango de_ DAN[NO O LETAL SI SE TRAGA.
  • Page 28 PARA PARAR EL MOTOR CONSEJOS PARA SEGAR Y ACOL- • Para parar e_ motor, sueJte la barra de con- CHAR troles que exigen la presencia deJ operador. IMPORTANTE: Para obtener el mejor PARA HACER ARRANCAR EL MOTOR rendimiento mantenga la caja de la segadora AVISO: Debido alas capas protectoras deJ mo- sin acumulacion de cesped y basura.
  • Page 29 PROGRAMA CAOA .E CAOA .ORAS O ALMACE- MANTENIMIENTO TEMPORAO Limpiadt nspecc_ona r el Recogedor de C6sped Conttolar I0s Neumaticos Conttolar las Ruedas Mortices _*_ Limpiar la Segadora ..Limpiar deba_O la Cubierta de la Transmisi6n Revisar la5 Cotreas y las Po_eas h,'_pulsadas _* m_#v Revisar l AfilaH Cambiar ia Cuchiila Lubricac_Sn...
  • Page 30 SEGADORA Ponga la cuchilla en el adaptador de 6sta alineando los dos (2) agujeros en la cuchilla Siempre observe las regias de seguridad cu- con las salientes elevadas en el adaptador. ando haga el mantenimiento. AsegQrese de que el borde de saiida de LLANTAS la cuchilla (opuesto al borde afilado) est6 •...
  • Page 31 Limpie todo eI aceite derramado en la sega- CAJA DE ENGRANAJES dora y en el lado del motor. • Para mantener el sistema de impulsi6n Ecbar aceite despacio en el conducto funcionando en forma adecuada, la caja de aceite, parAndose a intervalos regulates para engranajes y el &tea alrededor de la impulsi6n controlar el nivel del aceite con ta varilla.
  • Page 32 LIMPIEZA • Mantenga las superficies pulidas y las rue- das sin gasolina, aceite, etc. IMPORTANTE: Pars obtener el mejor • No recomendamos el uso de una manguera rendimineto, mantenga la caja de la segadora de jard(n para limpiar la segadora a menos sin acumulacion de cesped y basura.
  • Page 33 nando demasiado r&pido o demasiado lento, Ileve su segadora a rnas 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 forrna adecuada debido a problemas que se sospecha vienen del carburador, Ileve su segadora a contacto...
  • Page 34 MOTOR AVISO: El sistema tap6n deI carburante y car- tucho FRESH START gotea 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 SOLUCI6N DE PROBLEMAS - Vea la seccibn apropiada en el manual amenos que estd dirigido a un centro de servico Sears, PROBLEMA CORRECCI6N CAUSA Falta de Eleve la altura de corte. Cuchilla desgast ada, doblada fuerza o suelta. Eleve la altura de corte. Altura de las ruedas dispareja, Velocidad del motor lent&...
  • Page 36 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378921...
  • Page 37 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378921 PART PART DESCRIPTION DESCRIPTION 185508X479 Upper Handle 150635X428 Hubcap 151721X479 Lower Handle 184193 Bolt 182810 Control Bar 150078 Thread C ulting Screw w/Sems 5/16-18 x 3/4 182755 183901 Washer Engine Zone Control Cable...
  • Page 38 _p_AFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378921...
  • Page 39 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.378921 PART PART DESCRIPTION DESCRIPTION 189182 Vari-Speed Drive Control Assembly 180915 Kit, Wheel Adjuster, LH 169911 Scaring, Wheel Adjuster (includes Knob and Scaring) 175262 Pan Heed Tapping Screw #1G24 x 2÷3/4 187212...
  • Page 40 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125KO2-0303-E1 I 1019 LABEL KIT I 842_ 7180 307_ 10 %...
  • Page 41 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125K02-0303-E1 _188 443_ 977 CARBURETOR GASKET SET 365 _ 633 @ 276_ 121 CARBURETOR OVERHAUL 276Q 127_ 11171 633Q 1636 617 _ JJ 276...
  • Page 42 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125KO2-0303-E1 7036 EMISSIONS LABEL 1058 OWNER'S MANUALJ 1329 REPLACEMENT ENGINEJ 505_ [1330 REPAIR MANUAL 7350 689 O 670 _ PART PART DESCRIPTION DESCRIPTION 691680 697322 Cylinder Assembly Plug-Oi_ Drain 691450 Crankshaft 399269 Kit-Bush{ng/Se_l 399781 299819 °...
  • Page 43 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125K02-0303-E1 PART PART DESCRIPTION DESCRIPTION 499424 Rod-Connecting 281505 PawI-Ratchet 691664 Screw (Connecting Rod) 2691251 Nut IGovernor Control Lever) 695759 Screw (Connecting Rod) 495264 Dipstick 262651 Valve-Exhaust 692296 • SeaI-DipstickTube 262652 Va_ve4ntake 495265 Tube-Dipstick 691270 Spring-Valve (Intake) 691923...
  • 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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