Craftsman 917.378422 Owner'S Manual Download Page 24 | Manualshive

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Summary of Contents for 917.378422

Page 1: ...rsepower Power propelled 21 Rear Discharge Model No 917 378422 CAUTION Read and follow all Safety Rules and Instructions before operatingthis equipment Sears Roebuck and Co Hoffman Estates IL 60179 U S A Visit ourCraftsman website www sears com craftsman ...

Page 2: ... United 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 instr...

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 I1 SLOPE OPERATION Slopes are a major factor related to slip and fall accidents which can result in severe injury All slopes r...

Page 4: ... could expose 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 accessorieswere availablewhen thislawn mowerwas produced They are not...

Page 5: ...king 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 carton 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...

Page 6: ...asoline filler cap Grass catcher Air filter Engine oil cap with dipstick cover Housing eel 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 tu...

Page 7: ...nce 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 resence control bar Drive _ control TO ADJUST CUTFING HEIGHT Raise wheels for low cut and lower wheels for high c...

Page 8: ...efore each use Add oil if needed Fill to full line on dipstick Change the oil after every 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 t...

Page 9: ... collect less grass To prevent this regularly hose catcher off with water 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 speci...

Page 10: ...e or negligence To receive full 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...

Page 11: ...apter 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 o...

Page 12: ...arplex Premium 1 Grease Part No 750369 Do not substitute ENGINE LUBRICATION Use only high quality detergent oil rated with API service classification SF SJ Select the oil s SAE viscosity grade according to your expected operating temperature SAlE VISCOSITY GRADES i NOTE Although multi viscosity oils 5W30 10W30 etc improve starting in cold weather these multi viscosity oils will result in increased...

Page 13: ...isconnect 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 a garden...

Page 14: ...o stiff hold them in warm water for a few minutes If bag gets wet let it dry before using ACAUTION Do not run your lawn mower without clipping deflector or approved grass catcher in place Never attempt to operate the lawn mower with the rear door removed or prepped open Catcher frame handle Frame opening ENGINE ENGINE SPEED Your engine speed has been factory set Do not attempt to increase engine s...

Page 15: ...or contml bar Lower FOLD BACK3NARD ring position ENGINE FUEL SYSTEM IMPORTANT It is important to prevent gum deposits from forming in essential fuel system parts such as carburetor fuel filter fuel hose or tank during storage Also alcohol blended fuels called gasohol or using ethanol or methanol can attract moisture which leads to separation and formation of acids during storage Acidic gas can dam...

Page 16: ... 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 CORRECTION Does not start 1 Dirty air filter 1 Clean replace 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 ba...

Page 17: ...de 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 Raise...

Page 18: ...n use en los Estados Unidos Esta Garantfa le otorga derechos legales especificos y puede que tambien tenga otros derachos que varfan 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 producir les...

Page 19: ...r que existe alguna aver_a Siempre use galas de seguridad o anteojos con protecci6n lateral cuando opera la segadora II OPERAClON SOBRE I AS CUESTAS Los accidentes ocurren con m_s frecuencia en las cuestas Estos accidentes ocurren debido a resbaladas o cafdas las cuales pueden resultar en graves lesiones Operar la recortadora en cuestas requiem mayor concentraci6n Si se siente inseguro en una cues...

Page 20: ...as partes en movimiento o permitir que objetos sean disparedos Controlar frecuentemente y cuando sea necesario sustituir con panes aconsejadas pot el fabdcante Las cuchillas de la segadora estdn afiladas y pueden cortar Cubrir las hojas o Ilevar guantes y utilizar precauciones especiales cuando se efectOa mantenimiento sobre las mismas No cambie el ajuste del regulador del motor ni exceda su veloc...

Page 21: ...a 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 revfsela cuidadosamente para verificar si todavfa quedan partes sueltas adicionales COMO PREPARAR SU SEGADORA PARA DESDOBLAR EL MANGO IMPORTANTE Despliegue el mango con mucho cuidado para no pellizcar o dafiar los cables de control 1 Levante los mangos hasta...

Page 22: ...sitode aceite del motor con varill Cubierta de la impulsi6n Caja Ajust_dor de la rueda encadarueda IMPORTANTE Este cortacdsped viene SIN ACEITE O GASOLINA en motor i CUMPLE CON LOS REQUISITOS DE SEGURIDAD DE LA CPSC Las segadoras a motor que se conducen desde la parte de atria rotatorias Sears cumplen con los est _ndares de seguridad del American National Standards Institute y de la U S Con sumer ...

Page 23: ...tinuar segando sin autoimpulsi6n Para mantener el control de la impulsi6n enganchado 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 control queexige Control dela lapresencia daloperador impulsion PARA AJUSTAR LA ALTURA DE CORTE Levante las ruedas para el corte bajo y bajs las ruedas para el corte alto aju...

Page 24: ...dora de nivel Cambie el aceite despu_s de 25 horas de operaci6n o una vez por temporada Puede necesitar cambiar el aceite mds a menudo cuando las condiciones son polvorosas o sucias AGREGUE GASOLINA Uene el estanque de combustible hasta la parte inferiordel cuello de relleno del estanque de gasolina No Io Ilene demasiado Use gasoline regular sin plomo nueva y limpia con el mfnimo de 87 octanos No ...

Page 25: ...rse con mugre y polvo con el uso y los recogedores recaudaran menos cdsped Para evitar 6ste rocfe el recogedor con la manguera de agua regularmente y d_jelo secarse antes de usarlo Mantenga la parte superior del motor alrededor del arrencador despejada y sin recortes de cdsped y paja Esto ayudar_ el flujo del aire del motor y extenderd su duraci6n 25 CONSEJOS PARA SEGAR Y ACOLCHAR IMPORTANTE Para ...

Page 26: ... garantia el operador tiene que mantener la segadora segDn las instrucciones descritas en este manual Hay algunos ajustes que se tienen que hacer en forma peribdica para poder mantener su unidad adecuadamente Todos los ajustes en la secci6n de Servicio y Ajustes de este manual tienen que set revisados pot Io menos un vez por cada temporada Una vez al a_o cambie la bujia limpie o cambie el elemento...

Page 27: ...revise el cubo interiorde 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 estd da_ado PARA CAMBIAR LA CUCHILLA 1 Ponga el adaptador de la cuchilla en el cigueSal del motor Aseg_rese que la ranura del adaptador y que el chavetero del cigueSal est_n alineados 2 Ponga la cuchilla en el adaptador de esta ...

Page 28: ...ndo se le ha prestado servicio ala caja de engranajes Si se necesita lubricante use solamente Grasa Texaco Starplex Premium 1 Parte No 750369 NO use substitutos MOTOR LUBRICACI N Use solemente aceite de detergente de alta calidad clasificado con la clasificaci6n SF SJ do ser_icio APL Seleccione la ca idad de viscosidad SAE segSn su temperatura de operaci6n esperada CAUDADES DE VISCOSIDAD DE SAE AV...

Page 29: ...ra despues de cada uso APRECAUCl6N Desconecte el alambre de la bujfa y pbngalo en donde no pueda entrar en contacto con dsta Limpie la parte infedor 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 funciona mds caliente y se acorta su duraci6n Mantenga las superficies pulidas y las ruedas sin gaso...

Page 30: ...a removido la puerta trasera o cuando estd un poco abierta Mango del bastidor del r6cogedor Cubierta de la impulsion 111 Correa PARA AJUSTAR EL MANGO El mango superior quede ser ajustado a cuatro 4 distintas posiciones de altura 1 Afloje ambas perillas del mango solamente bastante para permitir que el mango superior gire ala posici6n deseada 2 Apriete ambas perillas del mango con seguridad _ Manin...

Page 31: ... _ PARA k inferior_ _ _ i _ Z a _ 4 i ATRAS _ __ _ _ pars segar MOTOR SISTEMA DE COMBUSTIBLE IMPORTANTE Es importante evitar que se formen depositos de coma en partes fundamentales del sistema de combustible tales como el carburador el filtrodel combus tible la manguera del combustibleo en el esfanque durante el almacenamiento Los combustibles tambien indica que los combus tibles mezclados con alc...

Page 32: ...ire 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 Barra de control en la posici6n suelta 9 Barra de control defectuosa 1 Cuchilla desgastada doblada o suelta 2 Altura de las ruedas dispareja 3 Velocidad del motor lenta 4 Acumulaci6n de c6sped hojas o basura debajo de la s...

Page 33: ...a segadora arrastrdndose en el c_sped 3 Recogedor de cdsped demasiado Ileno 4 Posici6n de la altura del mango no adecuada pare usted 1 Desgaste de la correa 2 La correa estd fuera de la polea 3 Cable de la impulsi6n usado o roto 4 Suciedad en piSones del mecanismo impulsor 5 El sistema de control del mecanismo impulsor suelto 2 3 Presione la barra de control hacia el mango supedor antes de tirar e...

Page 34: ...SERVICE NOTES 34 ...

Page 35: ...ter 4 57072 Seal 6 48373 Gear Case Halves Kit Includes Key Numbers 4 and 7 7 77881 Bearing 8 137051 Worm Shaft 9 175257 Drive Shaft 10 57079 HardenedWasher 11 131484 Clutch Yoke 12 700343 Bushing 13 86447 Plug 14 137050 Helical Gear 15 750436X Clutch Jaw 16 750369 Grease 17 12000003 E Ring 18 850848 Hi Pro Key 19 81585X004 Spring Bracket NOTE All componentdimensions givenin U S inches 1 inch 25 4 ...

Page 36: ...CRAFTSMAN ROTARYLAWN MOWER MODEL NUMBER 917 378422 31 35 79 5 8 7 28 3O 13 38 21 15 45 37 11 _ 10 44 46 25 ...

Page 37: ...t 48 851074 Spring LH 49 850263 Spring RH 50 851084 Keps Lecknut 1 4 20 78 179752 RopeGuide 79 179753 Rear Skirt 161058 Hinge Screw 1 4 20 x 1 1 4 182754 Engine Pulley Hi Pro Key 505 Engine Craftsman Model Number 143 016728 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 Wave Washer AxleArmAssembly RR Selector Knob Selector Spring Nut 5 16 ...

Page 38: ...54 CRAFTSMAN ROTARY LAWN MOWER MODEL NUMBER 917 378422 14 35 18 14 15 11 16 13 9 11 8 13 12 4O ...

Page 39: ... 4 20 x 2 12 32 137052 V Belt 35 151521 SpringRetainer 36 175258 Hubcap 37 137090 Locknut 38 63601 Wheel Tire Assembly 40 75192 E Ring 41 151520 Pinion 54 175084 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 DriveCover Hex Flange Nut DrivePulley Wheel Adjuster Assembly Left Gear Case Assembly Spring Locknut 1 4 20 Spring Wheel...

Page 40: ...CRAFTSMAN 4 CYCLE ENGINE MODEL NUMBER 143 016728 110 _ 135 130 120 119 182 185 370C 126151A 1C 125 174172 41 43 _ 245 238 250 4O ...

Page 41: ...wheelNut 313 34080 100 34443C Solid State Ignition 347 651038 101 610118 Spark Plug Cover 370A 36261 103 651007 Screw TorxT 15 10 24x15 16 370C 37318 104 37480 CamBushing 370R 37317 110 37047 GroundWire 380 640271 119 36787 CylinderHeadGasket 390 590739 120 36825 CylinderHead 400 37613 t25 36780 ExhaustValve 1132 OS 416 36085 IncludesKey Number 151 125 37288 Exhaust Valve Std Incl 151 417 650760 1...

Page 42: ... of Engine Parts List Throttle Shaft Lever Assembly Throttle Return Spring Dust Seal Washer Dust Seal Throttle Throttle Shutter Shutter Screw Fuel Fitting Throttle CrackScrew Idle Speed Screw Tension Spring Idle Restrictor Screw Idle Restrictor Scrwe Cap B ack FloatBowl Float Shaft Float Float Bowl O Ring Inlet Needle Seat Clip Includes 31 Spring Clip Primer Bulb Retainer Ring Main Nozzle Tube Car...

Page 43: ...Washer BrakeSpring Starter Dog Dog Spring Pulley Rewind SpringAssembly Starter HousingAssembly 40 degree grommet Starter Rope 98 x 9 64 diameter Starter Handle KEV pART NO NO 590739 3 590740 6 590616 7 590617 a 8 590618A 11 590638 12 590535 13 590701 1 III 7 14 590760 DE SCRIP lION RewindStarter Reta _ner Starter Dog Dog Spring Pulley RewindSpringAssembly Starter Housing Assembly 40 degree grommet...

Page 44: ...11 p m 7days aweek 1 8 X 366 7278 U SA only www sears com partsdirect To purchase or inquire about a Sears Service Agreement or Sears Maintenance Agreement 1 800 827 6655 U SA 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 SaL Para pe_r servicio de _ a Au _ pour _ rvice on ftangais domicilio y para o denar piezas 1 8004 E FOYERMC 1 888 SU HOGAR s_ 1 8 X 5 334 937 1_88 784...

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