Craftsman 917.378451 Owner'S Manual Download | Manualshive

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Summary of Contents for 917.378451

Page 1: ...rsepower Power Propelled 21 Rear Discharge Model No 917 378451 CAUTION Read and follow all Safety Rules and Instructions before operating this equipment Sears Roebuck and Co Hoffman Estates IL 60179 US A Visit ourCraftsman website www sears com craftsman ...

Page 2: ...nited 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 throwing objects Failure to observe the following safety instruc...

Page 3: ...ed before starting the engine motor If the equipment should start to vibrate abnormally stop the engine motor and check immediately for the cause Vibration is generally a warning of trouble Always wear safety goggles or safety glasses with side shields when operating mower II SLOPE OPERATION Slopes are a major factor related to slip and fall accidents which can result in severe injury All slopes r...

Page 4: ... moving 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 setting or overspeed the engine These accessories were available when this lawn mower was produced They are not shipped ...

Page 5: ...materials except padding between upper and lower handle and padding holding operator presence control bar to upper handle 4 Roll lawn mower out of carton and check canon thorougly for additional loose parts HOW TO SET UP YOUR LAWN MOWER TO UNFOLD HANDLE IMPORTANT Unfold handle carefully so as not to pinch or damage control cables 1 Raise handles until lower handle section locks into place in mowin...

Page 6: ...ing Gasoline filler cap cover Ai Primer heel adjuster on 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 Commis sion The blade turns when the engine is running Operator presen...

Page 7: ...ed To stop forward motion without stopping engine release the operator presence control bar slightly until the drive control disengages Hold operator presence control bar down against handle to continue mowing without self propelling To keep drive control engaged when turning corners push down on handle and lift front wheels off ground while turning lawn mower Operator presence control bar Drive c...

Page 8: ...ry 25 hours of operation or each season You may need to change the oil more often under dusty dirty conditions ADD GASOLINE Fill fuel tank to bottom of tank filler neck 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 A days to assure fuel freshness CAUTION Wipe off any spilled ...

Page 9: ... and let dry before using Keep top of engine around starter clear and clean of grass 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 recut the grass clippings many times and reduce th...

Page 10: ...ull value from the warranty operator must maintain 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 Adjustments 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 c...

Page 11: ... and check the key inside hub of blade adapter The key must be in good condi tion to work properly Replace adapter if damaged TO REPLACE BLADE 1 Position the blade adapter on the engine 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: ...ality detergent oil rated with API service classification SF SJ Select the oil s SAE viscosity grade according to your expected operating temperature SAE VISCOSITY GRADES 7 NOTE Although multi viscosity oils 5W30 10W30 etc improve starting Jn 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 po...

Page 13: ...ug 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 a garden hose to clean lawn mower unless the electrical system muffler air filter and carburetor are covered to ke...

Page 14: ...o 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 TO ASSEMBLE GRASS CATCHER 1 Put grass catcher frame into grass bag with rigid part of bag on the bottom Make sure the frame handle is outside of the bag top 2 Slip vinyl bindings over frame NOTE If vinyl bindings are too stiff h...

Page 15: ...Inspect moving parts for damage breakage and wear Replace if necessary 4 Touch up all rusted or chipped paint surfaces sand lightly before painting HANDLE You can fold your lawn mower handle for storage 1 Squeeze the bottom ends of the lower handle toward each other until the lower handle clears the handle bracket then move handle forward 2 Loosen upper handle mounting bolts enough to allow upper ...

Page 16: ...nit with a suitable protec tive cover that does not retain mois ture Do not use plastic Plastic cannot breathe which allows condensation to form and will cause your unit to rust IMPORTANT Never cover mower while engone and exhaust areas are still warm A CAUTION Never store the lawn mower with gasoline in the tank inside a building where fumes may reach an open flame or spark Allow the engine to co...

Page 17: ...lade bolt 2 Set all wheels at 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 Rai...

Page 18: ...o este en uso en los Estados Unidos Esta Garantia le otorga derechos legales especfficos y puede que tambien tenga otros derechos que varian 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 siguientes se pueden prod...

Page 19: ...ar que existe alguna averfa Siempre use gafas de seguridad o anteojos con proteeci6n lateral cuando opere la segadora II OPERACION SOBRE LAS CUESTAS Los accidentes ocurren con rods frecuancia en las cuestas Estos accidentes ocurren debido a resbaladas o cafdas las cuales pueden resultar en graves lesiones Oparar la recortadora en cuestas requiere mayor concentraci6n Si se siente inseguro en una cu...

Page 20: ...s pades en movimiento o permitir que objetos sean disparados Controlar frecuentemente y cuando sea necesario sustituir con pades aconsejadae por el fabdcante Las cuchillas de la segadora estdn afiladas y pueden cortar Cubrir las hojas o Ilevar guantes y utilizar precauciones especiales cuando se efectt_a mantenimiento sobre las mismas No cambie el ajuste del regulador del motor ni exceda su veloci...

Page 21: ...ta la barra de los control que exige la presencia del operador junto con el mango superior 4 Haga rodar la segadora hacia afuera de la caja de cart6n y revisela cuidadosamente para verificar si todav a quedan partes sueltas adicionales COMO PREPARAR SU SEGADORA PARA DESDOBLAR EL MANGO IMPORTANTE Despliegue el mango con mucho cuidado para no pellizcar o da_ar los cables de control 1 Levante los man...

Page 22: ...bade Ajustador de la rueda en cada rueda IMPORTANTE Este cortac_sped viene SIN ACEITE O GASOLINA en motor CUMPLE CON LOS REQUISITOS DE SEGURIDAD DE LA CPSC Las segadoras a motor que se conducen desde la parte de atr_ s rotatorias Sears cumplen con los estdndares de seguridad del American National Standards Institute y de la U S Con sumer Product Safety Commission La cuchilla gira cuando el motor e...

Page 23: ...sta que se desenganche el control de la impulsi6n Sujete la barra de control que exige la presencia del operador abajo en contra del mango para continuar segando sin autoimpulsi6n Para mantener el control de la impulsi6n enganchaclo cuando se de vuelta en las esquinas empuje el mango hacia abajo y levante las ruedas delanteras fuera del suelo al girar la segadora Barrade controlqueexigela presenci...

Page 24: ...r el aceite m_ s a menudo cuando las condiciones son polvorosas o suclas AGREGUE GASOUNA Uene el estanque de combustible hasta la parte inferior del cuello de relleno del estanque de gasoUna No Io Ilene demasiado Use gasolina regular sin plomo nueva y limpia con el mfnimo de 87 octanos No mezcle el aceite con la gasolina Para asegurar que la gasonna utilizada sea fresoa compre estanques los cuales...

Page 25: ...Para evitar este roc e el recogedor con la manguera de agua regularmente y d_jelo secarse antes de usarlo Mantenga la parte superior del motor alrededor del arrancador despejada y sin recortes de c_sped y paja Esto ayudara el flujo del aire del motor y extendera su duraciSn CONSEJOS PARA SEGAR Y ACOLCHAR IMPORTANTE Para obtener el mejor rendimiento mantenga la caja de la segadora sin acumulacion d...

Page 26: ...el valor de la garantl a el operador tiene que mantener la segadora seg0n las instrucoiones descritas en este manual Hay algunos ajustes que se tJenenque hacer en forma peribdica para poder mantener su unidad adecuadamente Todos los ajustes en la secciSn de Servicio y Ajustes de este manual tienen que ser revisados pot Io menos un vez por cada temporada Una vez al ago cambie la bujla limpie o camb...

Page 27: ...illa y revise el cubo interior do la ranura del adaptador de la cuchilla La ranura tiene que estar en buenas condiciones para que funcione en forma adecuada Cambie el adaptador si est dahado PARA CAMBIAR LA CUCHILLA 1 Ponga el adaptador de la cuchilla en el ciguehal del motor AsegQrese que la ranura del adaptador y que el ehavetero del cigueRal est_n alineados 2 Ponga la cuchilla en el adaptador d...

Page 28: ...te No REDUCTELF 100 No use substitutos MOTOR LUBRICACION Use solamente aceite de detergente de alta calidad clasificado con la clasificaci6n SF SJ de servicio API Seleccione la calidad de viscosidad SAE seg 3nsu temperatura de operaci6n esperada AVISO A pesar de que los aceites de multiviscosidad 5W30 10W30 etc mejoran el arranque en clima fifo estos aceites de multiviscosidad van ha aumentar el c...

Page 29: ...r la acumulaci6n de cdsped y basura Limpie el motor a menudo para evitar que se acumule la basura Un motor tapado funciona m_ s caliente y se acorta su duraci6n Mantenga las superficies pulidas y las ruedas sin gasolina aceite etc No recomendamos el uso de una manguera de jardfn para limpiar la segadora a menos que el sistema el_ctrico el silenciador el filtro de aire y el carburador est_n tapados...

Page 30: ...ma para levantar o bajar el mango 5 Vuelva a montar las clavijas de horquilla por encima de las clavijas de montaje 6 Vuelva a montar el mango superior y todas las partes removidas del mango inferior P _ I i _ os c bn _ Posicion F _ _ i2 _parasegar z _Jparasegar i I i de i j Clavijade _J clei _ango montaje POSIClON BAJA Mango inferior GIRAR PARA MONTAR Y ADJUNTAR EL RECOGEDOR DE CESPED 1 Ponga el ...

Page 31: ...Cdmbielas si es necesario 4 Retoque todas las superficies que estdn oxidadas o con la pintura picada use una lija antes de pintar MANGO Puede doblar el mango de su segadora para almacenarla 1 Apriete los extremos inferiores del mango inferior entre si hasta que el mango inferior quede separado del puntal del mango luego mu_valo hacia adelante 2 Suelte los pernos de montaje del mango superior I0 su...

Page 32: ...ubra su unidad con un forro protector adecuado que no retenga la humedad No use pl _stico El pldstico no puede respirar Io que permile la formaci6n de condensaci6n Io que producira la oxidaci6n de su unidad IMPORTANTE Nunca cobra la segadora mientras el motor y las areas de escape to davia estan calientes _qI PRECAUCI _N Nunca almacene la segadora con gasolina en el estanque dentro de un edificio ...

Page 33: ...el mango no adecuada para usted 1 Desgaste de la correa 2 La correa estd fuera de la polea 3 Cable de la impulsion usado o roto 4 Suciedad en pifiones del mecanismo impulsor CORRECCION 1 Ajuste a la posici6n de Code mds alto 2 Ajuste a la posici6n de Code mas alto 3 Limpie cambie el filtro de aire 4 Limpie la pade inferior de la caja de la segadora 5 Revise el nivel del aceite 6 Code a una velocid...

Page 34: ...CRAFTSMAN ROTARY LAWN MOWER MODEL NUMBER 917 378451 79 80 81 1 82 18 8 5 78 28 30 21 15 13 38 13 84 83 21 45 31 34 I 46 35 25 ...

Page 35: ... 164265 Keps Locknut 1 4o20 80 700417 RopeGuide 81 144929 Rear Skirt 82 132004 Hinge Screw 1 4 20 x 1 1 4 83 11112OX Engine PuUey 84 83818 Hi Pro Key 505 161058 Engine Briggs Stratton Model Number 183402 123K02 0183 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 WaveWasher Axle Arm Assembly RR Selector Knob Selector Spring Nut5 16 18 Ax...

Page 36: ...9 11 CRAFTSMAN ROTARY LAWN MOWER MODEL NUMBER 917 378451 18 14 16 15 16 14 41 15 38 36 13 12 55 11 8 ...

Page 37: ...2 12 31 132010 V Belt 32 137052 SpringRetainer 35 151521 Hubcap 36 180184 Locknut 37 137090 Wheel Tire Assembly 38 63601 E Ring 41 151520 Pinion 54 181371 Dust Cover 55 175739 FeltWasher 57 175058 Washer 1 2 x 1 1 2 x 134 Selector Knob Pan Head Tapping Screw 10 24 x 2 3 4 Drive Cover Hex Flange Nut Drive Pulley Wheel Adjuster Assembly Left Gear Case Assembly See Breakdown Spring Locknut 1 4 20 Whe...

Page 38: ... Clutch 5 183501 Spring Return 6 183502 Shaft Input 7 183503 Dog Movable 8 183504 Dog Fixed 9 183505 Wire Formed 10 183506 Bearing Ball 11 183507 Fork Shift 12 183508 Seal Output Shaft 13 183509 Washer 14 183510 Seal Case 15 183511 Bushing 16 183512 Shaft Output 17 183513 Screw 18 183514 Seal Input Shaft NOTE Use Dow Corning 709 to reseal Gear Case Halves NOTE All component dimensions given in U S...

Page 39: ...BRIGGS STRATTON MODEL NUMBER 123K02 4 CYCLE ENGINE TYPE NUMBER 0183 E1 11019 LABEL KIT 50 54_ 383_ 635 _ 7 q 525 I 524 718_ 306 32 123K02 0183 E1 39 ...

Page 40: ...UMBER 123K02 4 CYCLE ENGINE TYPE NUMBER 0183 E1 968 _88_ 621 445 443 977 CARBURETOR GASKET SET I_1 P_ARRIIRI TOR OVI RHAIIL KI I 134 6330 163 276 _ 127 123K02 O183 E1 96j _ lS9_ 163_ 365_ 127_ 130 95 i 617 276 Q 276Q 276_ 4O ...

Page 41: ...BRIGGS STRATTON MODEL NUMBER 123K02 4 CYCLE ENGINE TYPE NUMBER 0183 E1 969 921 304 305 _p 1036 EMISSIONS LABEL 332 455 6081 65 _ 55 _ 592_ 58 I I 459 689 O 456 597_ 123K02 0183 E1 41 ...

Page 42: ...w Breather Assembly 11 691781 Tube Breather 12 692232 Gasket Crankcase 13 690912 Screw Cylinder Head 15 691680 Plug Oil Drain 16 691451 Crankshaft KEY PART NO NO DESCRIPTION 20 399781 Seal Oil PTO Side 22 691092 Screw Engine Sump 23 692315 Rywheel 24 222698 Key Flywheel 25 697339 Piston Assembly Standard 697340 Piston Assembly 010 Oversize 697341 Piston Assembly 020 Oversize 697342 Piston Assembly...

Page 43: ...crew Carburetor 89838 Wrench Spark Plug 690272 Washer Governor Crank 690670 Screw Air Cleaner Cover 692523 Screw Air Cleaner Primer Base 491588 Filter Air Cleaner Cartridge KEY PART NO NO DESCRIPTION 455 691219 Cup Flywheel 456 692299 Plate Pawl Friction 459 281505 Pawl Ratchet 505 231082 Nut Governor Control Lever 523 495264 Dipstick 524 692296 Seal DipstickTube 525 495265 Tube Dipstick 529 69192...

Page 44: ..._ 1 800 366 PART 6 a m 11 p m 7days aweek 1 800 366 7278 U S A only www sears com parts_rect To purchase or inquire about a Sears Service Agreement or Sears Maintenance Agreement 1 800 827 6655 usJ_ 1 800 361 6665 Canada 7 a rn 5 p m CST Mon Sat 9 a m 8 p m EST M F 4 p m Sat Para pedirservido de reparaciSna domicilio y para o_denarpiezas 1 888 SU HOGAR s_ 1 888 78zF6427 Au Canada pourservice en fr...

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