Craftsman 917.378490 Owner's Manual
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Craftsman 917.378490 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.
917.378490
• 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 917.378490

  • Page 1 6.75 Horsepower Power-Propelled 21" Rear Discharge Model No. 917.378490 • 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: Table Of Contents

    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: 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: Product 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 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: Assembly / Pre-Operation

    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 7 KNOWYOUR 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 ADD GASOLINE catcher ° Fill fuel tank to bottom of tank filler neck. handle Do not overfill. Use fresh, clean, regular unleaded gasoline with a minimum of 87 octane. Do not mix oil with gasoline. Purchase fuel in quantities that can be used within 30 days to assure fuel fresh- ness.
  • Page 10 NOTE: In cooler weather it may be neces- MULCHING MOWING TIPS sary to repeatpriming steps.In warmer IMPORTANT: For best performance, weather over priming may causeflooding keep mower housing free of built-up and enginewill not start. If you do flood grass and trash. See "CLEANING" in the engine, wait a few minutesbeforeattempt- Maintenance...

  • Page 11: Maintenance Schedule

    MAINTENANCE SCHEDULE /_:;,_°_'__y AS YOU COMPLETE Lubrication Ill' CheckTires Check Drive Wheels (Power-Propelled M_ Check for Loose Fasteners l# # Clean/Inspect Grass Catcher (If Equipped) Clean Lawn Mower t# _ RE Clean Under Drive Cover (Power-Propelled Mowers) Check drive belt/pulleys (Power-Propelled Mowers) Check/Sharpen/Replace Blade Clean Battery/Recharge...
  • 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 LU BRICATION 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: Service And Adjustments

    CLEANING • Keep finished surfaces and wheels free IMPORTANT: For best performance, keep of all 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 15: Storage

    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 properlydue to sus- pected carburetor problems, take your lawn...

  • Page 16: Troubleshooting

    ENGINE OIL ENGINE Drain oil (with engine warm) and replace FUEL SYSTEM 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 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 Raise cutting height. blade dragging in grass. 2. Cutting toe much grass. Raise cutting height. 3.
  • Page 18 Contratapa GARANT[A LIMITADA DE DOS A_IOS PARA LA SEGADORA A MOTOR CRAFTSMAN For dos (2) aSos, a partir de la fecha de compra, cuando esta Segadora Craftsman se mantenga, lubrique y afine seg_n las instrucciones para la operaci6n y el mantenimiento en el manual del dueSo, Sears repararA gratis todo defecto en el material y la mano de obra.
  • Page 19 HACER: I. OPERACION Antes de empezar, debe familiarizarse comple- Puede recortar a trav_s de la superficie de tamente con los controles y el uso correeto de la cuesta, nunca hacia arriba y hacia aba]o. Ia maquina. Para esto, debe leer y comprender Proceda con extrema precauciSn cuando todas las instrucciones que aparecen en la ma- eambie de direcciSn en las cuestas.
  • Page 20 • Ayuda r_pida pot tel_fono - soporte tele- nuevo producto Craftsman@ est_ diseSado f6nico pot parte de un t_cnico Sears sobre y fabricado para funcionar de modo liable pot 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 cortacesped. Tambi6n est,_n disponibles en Is mayor[a 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 Lea estas instrucciones y este manual comple- Barra de conlroI c ta presencia det 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 sido montada en la LEVANTAR f_brica con la excepci6n de aquellas partes que...
  • Page 23 FAMILIARICESE CON SU SEGADORA LEA ESTE MANUAL DEL DUENOY LAS REGLAS DE SEGURIDAD ANTES DE OPARAR SU SEGADORA. Compare las ilustraciones con su segadora para famitiarizarse con la ubicaciOn 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...
  • Page 24 Si tas condiciones no mejoran despu_s de los La operaciSn de cualquier pasos descritos (la velocidad hacia adeiante segadora puede hacer que queda Ia misma), la correa de transmisiSn salten objetos extraSos dentro de est_ desgastada y tiene que set sustituida. sus ojos, Io que puede producir AVI80: Si el segadora comienza "a arrastrarse °...
  • Page 25 AGREGUE GASOLINA .Pasador det ¢ " Mango det trasera bastidor det • Llene el estanque de combustible hasta "" recogedor Ia parte inferior del euello de retleno del de c_sped estanque de gasolina. No Io Ilene demasiado. Use gasotina regular, sin plomo, nueva y Iim- pia con el minimo de 87 octanos.
  • Page 26 2. Sujete la barradecontroles queexigen la CONSEJOS PARA SEGAR Y ACOL- presencia d eloperador a bajoenelmango CHAR y tireel mango delarrancador rApidamente. IMPORTANTE: Para obtener el mejor Nopermita que el cord6n arrancador se rendimiento mantenga la caja de la segadora devuelva abruptamente.
  • Page 27 Lubricaci6n Controlar log neurn_ticos Controlarlagruedasmortices Revisarsi hay sujetadores sueltco (gegadoras con poder propuigor) Limpiar.,'inspecoionarel recogedor de c_sped (si viene equipado) Uropiar la segadora Umpiar debajo de la cubiertade la trans- misidn(segadorasconpoderpropulsor) sadas (segadoras con poder propulsor) Revisarlas correasy las poleasimpul- Revisaro/afilar/cambiar l a cuchilla V' 3 Limpiarla baterfa/recargar...
  • Page 28 SEGADORA Ponga la cuchilla en el adaptador de _sta alineando los dos (2) agujeros en la cuchitla Siempre observe las reglas de seguridad cu- con las salientes etevadas en el adaptador. ando haga el mantenimiento. Aseg_rese de que el borde de salida de LLANTAS la cuchilla (opuesto al horde afUado) est6 •...
  • Page 29 CAJA DE ENGRANAJES Limpie todo el aceite derramado en la sega- dora yen el lado del motor. • Para mantener el sistema de impulsi6n Echar aceite despacio en el conducto funcionando en forma adecuada, la eaja de aceite, parAndose a intervalos regulares para engranajes y el Area alrededor de la impulsiSn eontrolar el nivel del aceite con Ia 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 la caja de la segadora de jardin para limpiar la segadora a menos sin acumulacion de cesped y basura.
  • Page 31 nando demasiado r&pido o demasiado lento, Ileve su segadora a mas con su centro de servicio Sears o con un otto centro de servicio cualificado. CARBURADOR Su earburador tiene un ehorro principal fijo no ajustable para controlar la mezcla. Si su motor no est_ funcionando en forma adecuada debido a problemas que se sospecha vienen del earburador, Ileve su segadora a contacto...
  • Page 32 ACEITE DEL MOTOR MOTOR SISTEMA DE COMBUSTIBLE Drene el aceite (con el motor caliente) y c_mbielo 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 fundamentales del sistemade combustible tales como el carburador, el fUtro del combustible,...
  • Page 33 SOLUCION DE PROBLEMAS -Vea la secci6n apropiada en el manual amenos que este dirigido a un centro de servico Sears. CORRECCION PROBLEMA CAUSA Falta de 1. Eleve la altura de corte. 1. Cuchitla desgastada, doblada fuerza o suelta. Eleve la altura de corte. Altura de las ruedas dispareja.

  • Page 34: Repair Parts

    CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917,378490 52 51...
  • Page 35 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917,378490 PART PART DESCRIPTION DESCRIPTION 186111 Upper Handle 0neledee Grip) t75575X004 Axte Arm Assembly, LR 15t72tX479 Lower Handle 184193 Bott 182815 Conl_ot Bar t50078 Thread Cutting Screw w/Seres 5tt 6-18 x 3/4...
  • Page 36 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917,378490...
  • Page 37 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917,378490 PART PART DESCRIPTION DESCRIPTION 185685 Paw_ Vari-Speed Drive Control Assembly 175098 169911 Retainer, Drive, LH Bearing, Wheel Adjuster t 75t 05 175262 Pan Head Tapping Screw #t 0-24 x 2-3/4 t 75103...
  • Page 38 CRAFTSMAN ROTARY LAWN MOWER - - MODEL NO. 917.378490 GEAR CASE ASSEMBLY - - PART NUMBER 185566 PART DESCRIPTION 17060410 Screw, Tapping I/4-20×.62 174917 Gear Case, Upper, FWSS 57072 Seat 77881 Bearing 57079 Washer 174918 Drive Shaft, 2I" FWGD 160817...
  • Page 39 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125K02-0273-E1 I 1019 LABEL KITI 52511 710_...
  • Page 40 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125K02-0273-E1 443_ 9_7_0 %_ 163_ 977 CARBURETOR 633@ GASKET SET 276_ 127_ 276 _...
  • Page 41 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125K02-0273-E1 969 '_ 332 _ 592 _ 58 ___ 597_ 1036 EMISSIONS LABEL I...
  • Page 42 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125K02-0273-E1 358 ENGINE GASKET SET 3© 20@ e42 KEY PART PART DESCRIPTION DESCRIPTION 691866 Lock-Piston Pin 697322 Cylinder Assembly 499423 Pin-Piston 399269 Kit-BushingfSea_ 499424 299819 • Seal-Oil (Magneto Side) Rod-Connecting 691664 493279 Sump-Engine Screw (Connecting Rod) 695759 69I 168...
  • Page 43 BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 125K02-0273-E1 PART PART DESCRIPTION DESCRIPTION 696565 Shaft-Throttle 95I 62 CIamp-Hose 698588 C_ver-C_nt tel 691242 O Pin-F_oat Hinge 497680 Starter-Rewind 498978 Jet-Main (Standard) 69I 340 Screw (Muffler) 497466 Jet-Main (High Altitude) 498260 Kit-Carburetor Overhaul 690340 Retainer-Governor Shaft...
  • 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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