Craftsman 917.378480 Owner'S Manual Download

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Summary of Contents for 917.378480

Page 1: ...epower Power Propelled 21 Rear Discharge Model No 917 378480 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 corn craftsman ...

Page 2: ...ted States This warranty applies only while this product is used in the United States This Warranty gives you specific legal rights and you may also have other rights which vary from state to state SEARS ROEBUCK AND CO D 817 WA HOFFMAN ESTATES ILLINOIS 60179 IMPORTANT This cutting machine is capable of amputating hands and feet and throw ing objects Failure to observe the following safety instruct...

Page 3: ...e engine motor If the equipment should start to vibrate abnormally stop the engine motor and check immediately for the cause Vibra tion is generally a warning of trouble Always wear safety goggles or safety glasses with side shields when oper ating mower II SLOPE OPERATION Slopes are a major factor related to slip and fall accidents which can result in severe injury All slopes require extra cau ti...

Page 4: ...parts or allow objects to be thrown Frequently check components and replace with manufacturer s recommended parts when necessary Mower blades are sharp and can cut Wrap the blade s or wear gloves and use extra caution when servicing them Do not change the engine governor set ting or overspeed the engine These accessories were available when this lawn mower was produced They are not shipped with yo...

Page 5: ...ton thoroughly for additional loose parts HOWTO SET UPYOUR LAWN MOWER TO UNFOLD HANDLE IMPORTANT Unfold handle carefully so as not to pinch or damage control cables 1 Raise handles until lower handle sec tion locks into place in mowing position 2 Remove protective padding raise up per handle section into place on lower handle and tighten both handle knobs 3 Remove handle padding holding operator p...

Page 6: ... handle Engine oil cap with dipstick Primer Grass catcher Muffler Air filter Housing Whe_ each wheel IMPORTANT This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine MEETS CPSC SAFETY REQUIREMENTS Sears rotary walk behind power lawn mowers conform to the safety standards of the American National Standards Institute and the U S Consumer Product Safety Com mission The blade turns when the ...

Page 7: ...the front wheels off the ground while turning lawn mower DRIVE CONTROL ADJUSTMENT Over time the drive control system may become loose resulting in decreased speed There is a thumbscrew on the underside of the drive control housing to increase tension on the drive cable Pro ceed as follows 1 Turn unit off and disconnect spark plug wire from spark plug 2 Rotate thumbscrew counter clockwise to tighte...

Page 8: ...or are empty Use fresh fuel next season See Storage Instructions for additional information Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur Engine oil cap BEFORE STARTING ENGINE ADD OIL Your lawnmower is shipped without oil in the engine For type and grade of oil to use see ENGINE in the Maintenance section of this manual CAUTION DO NOT overfill engin...

Page 9: ...ass clippings and chaff This will help engine air flow and extend engine life MULCHING MOWING TIPS IMPORTANT For best performance keep mower housing free of built up grass and trash See CLEANING in the Maintenance section of this manual The special mulching blade will recur the grass clippings many times and reduce them in size so that as they fall onto the lawn they will disperse into the grass a...

Page 10: ...ntain mower as instructed in this manual Some adjustments will need to be made periodically to properly maintain your unit All adjustments in the Service and Adjust ments section of this manual should be checked at least once each season Once a year replace the spark plug clean or replace air filter element and check blade for wear A new spark plug and clean new air filter element assure proper ai...

Page 11: ... and check the key inside hub of blade adapter The key must be in good condition to work properly Replace adapter if damaged TO REPLACE BLADE 1 Position the blade adapter on the en gine crankshaft Be sure key in adapter and crankshaft keyway are aligned 2 Position blade on the blade adapter aligning the two 2 holes in the blade with the raised lugs on the adapter 3 Be sure the trailing edge of bla...

Page 12: ...your expected operating temperature SAE VISCOSITY GRADES NOTE Although multi viscosity oils 5W30 10W30 etc improve starting in cold weather these multi viscosity oils will result in increased oil consumption when used above 32 F Check your engine oil level more frequently to avoid possible engine damage from running low on oil Change the oil after every 25 hours of operation orat least once a year...

Page 13: ...AUTION Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with the spark plug Clean the underside of your lawn mower by scraping to remove build up of grass and trash Clean engine often to keep trash from accumulating A clogged engine runs hotter and shortens engine life Keep finished surfaces and wheels free of all gasoline oil etc We do not recommend using ...

Page 14: ...wer handle bracket mounting pin 3 Squeeze lower handle in to remove it from mounting pins 4 Turn lower handle over to raise or lower handle 5 Squeeze lower handle in and position holes onto mounting pins on handle bracket 6 Reassemble upper handle and all parts removed from lower handle Mowing Mowing _on i i osition f _ cotter _I_ N_ _ Handle Mounting _ _ bra_et pin LOW POSITION HIGH POSITION ENGI...

Page 15: ...n or you may damage the control cables When setting up your handle from the storage position the lower handle will automatically lock into the mowing posi tion SQUEEZE TO FOLD Operator presence it on controlbar Lower handle_ FOLD BACKWARD bracket ENGINE FUELSYSTEM IMPORTANT It is important to prevent gum deposits from forming in essential fuel system parts such as carburetor fuel filter fuel hose ...

Page 16: ...ide a building where fumes may reach an open flame or spark Allow the engine to cool before storing in any enclosure TROUBLESHOOTING See appropriate section in manual unless directed to a Sears Service Center PROBLEM CAUSE Does not start 1 Dirty air filter 2 Out of fuel 3 Stale fuel 4 Water in fuel 5 Spark plug wire is disconnected 6 Bad spark plug 7 Loose blade or broken blade adapter 8 Control b...

Page 17: ...t same height 3 Clean underside of mower housing 1 Replace blade Tighten blade bolt 2 Contact a Sears or other qualified service center 1 Depress control bar to upper handle before pulling starter rope 2 Contact a Sears or other qualified service center 3 Replace blade adapter 4 Move lawn mower to cut grass or to hard surface Grass catcher 1 Cutting height too low 1 Raise cutting height not fillin...

Page 18: ...ste en uso en los Estados Unidos Esta Garantfa le otorga derechos legales especfficos y puede que tambi_n tenga otros derechos que vadan de estado a estado Sears Roebuck and Co D 817WA Hoffman Estates IL 60179 USA IMPORTANTE Esta maquina cortadaora es capaz de amputar las manos y los manos y los pies y de lanzar objetos Si no se observan las instrucciones de seguridad sigulentes se pueden producir...

Page 19: ... indicar que existe alguna averia Siempre use galas de seguridad o anteojos con protecci6n lateral cuando opera la sega dora II OPERACION SOBRE LAS CUESTAS Los acoidentes ocurren con rods frecuencia en las euestas Estos accidentes ocurren debido a resbaladas o cafdas las cuales pueden resultar en graves lesiones Operar la recortadora en cuestas requiere mayor concentraci6n Si se siente inseguro en...

Page 20: ...s partes en mov imlento o permitlr que objetos sean dispara dos Controlar fracuantemente y cuando sea necesado sustituircon partes aconsejades por el fabricanta Les cuchillas de la segadora estdn afiladas y pueden cortar Cubrir las hojes o Ilevar guantes y utilizar precauciones especiales cuando se afectSa mantenimiento sobre las mismas No camble el ajuste del regulador del motor ni exceda su velo...

Page 21: ...s COMO PREPARAR SU SEGADORA PARA DESDOBLAR EL MANGO IMPORTANTE Despliegue el mango con mueho euidado para no pellizcar o dafiar los cables de control 1 Levante losmangos hasta que la secci6n del mango inferiorse asegure en su lugar en la posici6n para segar 2 Remueva la curia proteetora levante la sec ci6n del mango superior basra su lugar en el mango inferior y apriete ambas manillas del mango 3 ...

Page 22: ... c_sped Cebador Silenciador Tapa del deposito de la gasolina la impulsi6n Filtro de Caja Ajustador de la rueda en cada rueda IMPORTANTE Este cortac6sped viene SIN AGEITE O GASOLINA en motor CUMPLE CON LOS REQUISITOS DE SEGURIDAD DE LA CPSC Las segadores a motor que se conduoen desde la pane de atr_s rotatorias Sears cumplen con los estandares de seguridad del American National Standards Institutey...

Page 23: ...idad Hay un tornillo de apriete manual en la parte trasera de la sede del mando para apretar la tensi6n del cable Preceder de la siguiente manera 1 Apagar la uniclad y deseonectar el cable de bujia de la bujia 2 Rote tornillo de apriete manual a la izqui erda para tensar el cable impulsor 3 Opere la segadora para probar la velocidad del mecanismo 4 Sl las condicionesno mejoran despues de los pasos...

Page 24: ...iciones son polvorosaso sucias AGREGUE GASOLINA LJeneel estanque de combustiblehasta la parte inferiordel cuello de relleno del estanque de gasoline No Io Ilene demasiado Use gasolina regular sin plomo nueva y lim pia con el minimo de 87 octanos No mezcle el aceite con la gaselina Para asegurar que la gaselina utnizada sea fresca compre estanques los cuales puedan set utilizados _odurante los _rim...

Page 25: ...nguera de agua regularmente y d_jelo secarse antes de usarlo Mantenga la parte superior del motor aired edor del arrancador despejada y sin recortes de c_sped y paja Esto ayudar_ el flujo del aire del motor y extender_ su duraci6n CONSEJOS PARA SEGAR Y ACOLCHAR IMPORTANTE Para obtener el mejor rendimiento mardenga la caja de la segadora sin acumulacion de eesped y basura Vea LIMPIEZA en la seccion...

Page 26: ...nos ajustes que se tienen qua hacer en forma peri6dica para poder mantener su unidad adecuadamente Todos los ajustes en la secciSn de Servicio y Ajustes de este manual t_enen que set revisa dos pot Io menos un vez por cada temporada Una vez al aSo cambie la bujia limpie o cambie el etemento del filtro de aire y revise si la cuchilla est _ desgastada Una bujfa nueva y un elemento del filtro de aire...

Page 27: ...uchilla y revise el cubo interior de la ranura del adap tador de la cuchilla La ranura tiene que estar en buenas condiciones para que funcione en forma adecuada Cambie el adaptador si est daSado PARA CAMBIAR LA CUCHILLA 1 Ponga el adaptador de la cuchilla en el cigue Sal de motor AsegtJrese que la ranura del adaptador y que el chavetero del cigue flal est_n alineados 2 Ponga la cuchiila en el adap...

Page 28: ...PI Seleccione la calidad de visCosi dad SAE segt3n su temperatura de operaci6n esperada AVISO A pesar de que los aceites de multi viscosidad 5W30 10W30 etc mejoran el arranque en clima frlo estos aceites de mul tiviscosidad van ha aumentar el consumo de aceite cuando se usan en temperaturas sobre 32 F Revise el nivel del aceite del motor m_isa menudo para evitar un posible daflo en el mo tor debid...

Page 29: ...ta Haga descansar la segadora en su lado Asegerese que el filtro de aire y que el carbu rador queden mirando hacia arriba Limpie la parte inferior de su segadora raspdndola para remover la acumulaci6n de c_sped y basura Limpie el motor a menudo para evitar que se acumule la basura Un motor tapado fun ciona mas caliente y se acorta su duraci6n Mantenga las superficies pulidas y las rue des sin gaso...

Page 30: ...ntaje del puntal del mango 3 Apreite el mango inferior hacia dentro para removerlo de las clavijas de montaje 4 Gire el mango inferior por encima para levantar o bajar el mango 5 Vuelva a montar las clavijas de horquilla pot encima de las clavijas de montaje 6 Vuelva a montar el mango superior y todas las partes removidas del mango inferior Clavija de horquilla montaje Posici6n fx_ Posid6n il _ lp...

Page 31: ...or automdticamente se asegurar_ en la posiciSn para segar APRIETE PARA DOBLAR Barra de control exige la presencia dot operador Posici Sn para segar Mango DOBLAR HAClA ATRAS MOTOR SISTEMA DE COMBUSTIBLE IMPORTANTE Es importante evitar que se formen depositos de coma en partes fundamentales del sistemade combustibletales come el carburador el filtro del combustible la mangura del combustible o en el...

Page 32: ...ita que se enfde el motor antes de almacenada en alg0n recintocerrado SOLUCION DE PROBLEMAS Vea la secclbn apropiada en el manual amenos que est_ dirigido a un centro de servico Sears CAUSA PROBLEMA No arranca 1 Filtro de aire sucio 2 Sin combustible 3 Combustible rancio 4 Agua en el combustible 5 Alambre de la bujfa desconectado 6 Bujfa mala 7 Cuchilla suelta o adaptador de la cuchilla quebrado 8...

Page 33: ...ion usado o rote 4 Suciedad en piSones del mecanismo impulsor 5 El sistema de control del mecanismo impulsor suelte CORRECCl0N 1 Ajuste a la posici6n de Corte m s alto 2 Ajuste a la posici6n de Corte mds alto 3 Umpie cambie el filtro de aire 4 Limpie la parte inferior de la caja de la segadora 5 Revise el nivel del aceite 6 Corte a una velocidad de recorrido m s lenta 1 Cambie la cuchilla Apriete ...

Page 34: ...CRAFTSMAN ROTARY LAWN MOWER MODEL NUMBER 917 378480 19 2 8 36 31 27_ 89 15 13 2 30 28 45 23 13 14 31 34 27 _3938 11 io _ _10 44 26 35 43 42 25 ...

Page 35: ...at_on Model Number 125K02 0273 E1 See Breakdown Hex Head Thread Rolling Srew 3 8 16 x 1 1 8 Hex Flange Nut Wheel Shoulder Bolt 5 16 18 x 33 Axle Arm Assembly RR Se ector Knob 32 175060X004 Selector Spring 34 165762X004 Axle Arm Assembly LR 35 160626 Hubcap 36 184193 Bolt 37 850733X004 Bracket Upstop 38 176185 Washer Step 39 176235 Pushnut 40 750634 Screw 42 53998 Washer Hardened 43 180555 Bottom B...

Page 36: ...C_ 19 56 8 12 49 12 9 11 8 49 t6 54 55 12 41 15 13 4O 12 ...

Page 37: ...knut 51 175098 Wheel Tire Assembly 52 175267 E Ring 53 175104 Onveshafi Cover 54 175101 Dust Cover 55 176412 Bearing Wheel Adjuster 56 176413 Washer 1 2 x 1 1 2 x 134 57 183993 Selector Knob 58 175105 Grassbag Assembly 62 183865 Drive Cover 63 173715 Hex Flange Nut Drive Pulley Kit Wheel Adjuster LH includes Knob and Bearing Gear Case Assembly See Breakdown Lcoknut 1 4 20 Spring Kit Wheel Adjuster...

Page 38: ...81 Bearing 5 57079 Washer 6 174918 Ddve Shaft 21 FWGO 7 160817 Washer Thrust 8 174916 Gear Case Lower FWSS 9 160818 Bearing Needle Thrust 10 850848 Key Hi pro 11 171755 Gear Helical 12 12000003 E Ring 13 183863 Shaft Worm 14 182225X004 Return Arm 15 169738X004 Bracket Transmission 16 86447 Plug 750369 Grease 185567 Kit Gearcase Replacement includes Instructions NOTE All componentdimensions given i...

Page 39: ...BRIGGS STRATFON 4 CYCLE ENGINE MODEL NUMBER 125K02 0273 E1 I 1019 LABEL KIll 684 51 33 24 _ 741 287_ 710 0 306 524 39 ...

Page 40: ...S STRATTON 4 CYCLE ENGINE MODEL NUMBER 125K02 0273 E1 968 445 443B 977 CARBURETOR GASKET SET 7_633 _ 61 276 _ _ 365 I_ 1 P ARR IRFTNR nVFRHAIII Kn 633 Q _ 61 _163_ _ 276_ 127 188 621 63g 127_ 276_ 276 276 40 ...

Page 41: ...BRIGGS STRATTON 4 CYCLE ENGINE MODEL NUMBER 125K02 0273 E1 6s47 304 305 1 L 1036 EM SS ONS LABEL J 332 _ 324 N 23 65_ 592 _ 58 _ _ __ 459 _1 689 O 60_ 456_ s97_ ...

Page 42: ... Plug Oil Drain 36 691270 16 691451 Crankshaft 37 694086 20 399781 Seal Oil PTO Side 40 692194 22 691092 Screw Engine Sump 43 691997 23 692315 Flywheel 45 690548 24 222698 Key Flywheel 46 691449 25 697339 Piston Assembly Standard 50 497465 697340 Piston Assembly 010 Oversize 51 272199 697341 Piston Assembly 020 Oversize 54 691650 697342 Piston Assembly 030 Oversize 55 691421 DESCRIPTION Rin 9 Set ...

Page 43: ...138 334 691061 Screw Armature Magneto 970 691669 337 802592 Spark Plug 972 693377 356 692390 Wire Stop 975 493640 358 497316 Engine Gasket Set 976 694395 363 19069 Flywheel Puller 977 498261 365 692524 Screw Carburetor 1019 494256 383 89838 Wrench Spark Plug 1036 697457 404 690272 Washer Governor Crank 1059 692311 425 690670 Screw Air Cleaner Cover 1210 498144 443 692523 Screw Air Cleaner Primer B...

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