Craftsman 917.378412 Owner'S Manual Download | Manualshive

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Summary of Contents for 917.378412

Page 1: ...TARY LAWN MOWER Model No 917 378412 Safety Assembly Operation Maintenance EspaSol Repair Parts CAUTION Read and follow all Safety Rules and Instructions before operating this equipment Sears Roebuck and Co Hoffman Estates IL 60179 Visit our Craftsman website www sears com craftsman ...

Page 2: ...his 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 instructions could result in serious injury or death I GENERAL OPERATION Read understand and fol...

Page 3: ... remain where you last saw them Keep children out of the trimming area and under the watchful care of another responsible adult Be alert and turn machine off if children enter the area Before and while walking backwards look behind and down for small children Never allow children to operate the machine Use extra care when approaching blind corners shrubs trees or other objects that may obscure vis...

Page 4: ...cancer and birth defects or other reproductive harm _I CAUTION Muffler and other engine parts become extremely hot during operation and remain hot after engine has stopped To avoid severe burns on contact stay away from these areas 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...

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 carton thorougly for additional loose parts HOWTO 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: ...dle knob Gasoline cap Grass Air filter Primer Engine oil cap Muffler Drive cover Housing IMPORTANT This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine Wheel adjuster on each wheel 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 blad...

Page 7: ...tor 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 control bar Drive control DRIVE TO ENGAGE CONTROL DRIVE DISEN CONTROL GAGED TO ADJUST CUTTING HEIGHT Rai...

Page 8: ... line Purchase fuel in quantities that can be used within 30 days to assure fuel freshness I WARNING Experience indicates that 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 damage the fuel system of an engine while in storage To avoid engine problems the fuel system should be emp...

Page 9: ... 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 them in size so that as they fall onto the lawn they will disperse into the grass and ...

Page 10: ...n subjected to operator abuse 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...

Page 11: ... 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 blade o...

Page 12: ...etergent oil rated with API service classification SF SJ Select the oil s SAE viscosity grade according to 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 en...

Page 13: ...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 keep water ...

Page 14: ...upper handle may be adjusted to four 4 different height positions 1 Loosen both handle knobs only enough to allow the upper handle to pivot to the desired adjustment position 2 Tighten both handle knobs securely Handle Knob Frame opening ENGINE ENGINE SPEED Your engine speed has been factory set Do not attempt to increase engine speed or it may result in personal injury If you believe that the eng...

Page 15: ... Lower FOLD BACKWARD Mowing 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 experience indicates that alcohol blended fuels called gasohol or using ethanol or methanol can attract moisture which leads to separation and formation of acids during storage Acid...

Page 16: ...G CHART CAUSE 1 Dirty air filter 2 Out of fuel 3 Stale fuel Loss of power 4 Water in fuel 5 Spark plug wire is disconnected 6 Bad spark plug 7 Loose blade or broken blade adapter 8 Control bar in released position 9 Control bar defective 1 Rear of lawn mower housing or cutting blade dragging in heavy grass 2 Cutting too much grass 3 Dirty air filter 4 Buildup of grass leaves and trash under mower ...

Page 17: ...fore pulling starter rope Contact a Sears or other qualified service center Replace blade adapter Move lawn mower to cut grass or to hard surface Loss of drive 1 Drive wheels not turning 1 Adjust or replace drive with drive control engaged control cable 2 Belt not driving 2 Put belt on pulleys or replace belts if broken Grass catcher 1 Cutting height too low 1 Raise cutting height notfllling ifso ...

Page 18: ...utar las manos y los manos y los pies y de lanzar objetos Si no se observan las instrucciones de seguridad siguientes se pueden producir lesiones graves o la muerte I OPERACION Antes de empezar debe familiarizarse completamente con los controles y el uso correcto de la maquina Para esto debe leer y comprender todas las instrucciones que aparecen en la maquina yen los manuales de operaci6n No ponga...

Page 19: ...a atras y hacia abajo para verificar si hay niSos peque5os Nunca permita que los niSos operen la m 4quina Tonga un cuidado extra cuando se acerque a esquinas donde no hay visibilidad a los arbustos rboles u otros objetos que pueden interferir con su linea de visi6n IV SERVIClO Tonga cuidado extra al manejar la gasolina y los demds combustibles Son inflamables y los gases son explosivos Use solamen...

Page 20: ...var las manos despuds de manipulados _ _RECAUCl6N El silenciador y otras piezas del motor Ilegan a ser extrernadamente calientes durante la operacibn y siguen siendo calientes despu_s de que el motor haya parado Para evitar quemaduras severas permanezca lejos de estas dreas Estos accesorios estaban disponibles cuando se produjo la segadora No son facilitados junto al cortacesped Tambi_n est_ n dis...

Page 21: ...jeta 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 revfsela 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 daSar los cables de control 1 Levante los m...

Page 22: ...del motor con varilla indicadora de Filtrode aire Cebador Silenciador Cubierta de la impulsi6n Caja IMPORTANT Este cortacesped viene SIN ACEITE O GASOLINA en motor Ajustador de la rueda en cada rueda 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 est_ ndares de seguridad del American National Standar...

Page 23: ...ara continuar 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 de la lapresenciadeloperador impulsi6n CONTROL PARA DE LA ENGANCHAR EL IMPULSION CONTROL DE LA DESEN IMPULSI6N _HADO 23 PARA AJUSTAR LA ALTURA...

Page 24: ... cuando las condiciones son polvorosas o SUCidS AGREGUE GASOLINA Llene el estanque de combustible Use gasolina regular sin plomo nueva y limpia con el minimo de 87 octanos El uso de gasolina con plomo aumentard los dep6sitos de 6xido de plomo y carbono y se reducir_ la duraci6n de la vdlvula No mezcle el aceite con la gasolina Para asegurar que la gasolina utilizada sea fresca compre estanques los...

Page 25: ...ar los recortes en la pr6xima pasada Los pores en los recogedores de c_sped de tela pueden Ilenarse con mugre y polvo con el uso y los reoogedores recaudardn menos cesped Para evitar este rocie el recogedor con la manguera de agua regularmente y d_jelo secarse antes de usado Mantenga la parte superior del motor alrededor del arrancador despejada y sin recortes de c_sped y paja Esto ayudard el fluj...

Page 26: ... tiene que mantener la segadora seg_n las instrucciones descritas en este manual Hay algunos ajustes que se tienen que hacer en forma peri6dica para poder mantener su unidad adecuadamente Todos los ajustes en la secci6n de Servicio y Ajustes de este manual tienen que ser revisados por Io menos un vez por cada temporada Una vez al a5o cambie la bujia limpie o cambie el elemento del filtro de aire y...

Page 27: ...cubo interior de la ranura del adaptador de la cuchilla La ranura tiene que estar en buenas eondiciones para que funcione en forma adecuada Cambie el adaptador si esta daSado PARA CAMBIAR LA CUCHILLA 1 Ponga el adaptador de la cuchilla en el ciguehal del motor Aseg_rese que la ranura del adaptador y que el chavetero del ciguefial est_n alineados 2 Ponga la cuchilla en el adaptador de esta alineand...

Page 28: ...N Use solamente aceite de detergente de alta calidad clasificado con la clasificaci6n SF SJ de servicio API Seleccione la calidad de viscosidad SAE seg_n su temperatura de operaci6n esperada SAE VISCOSITY GRADES 0 L_O 10o 0 o 10 20 30 CALIDADES DE VISCOSIDAD DE SAE RECOMENDADAS AVISO A pesar de que los aceites de multiviscosidad 5W30 10W30 etc mejoran el arranque en clima fr o estos aceites de mul...

Page 29: ...ne 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 funciona rods caliente y se acona 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 qua el sistema el_ctdco el silenciador ...

Page 30: ...ecogedor 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 a la posici6n deseada 2 Apriete ambas perillas del mango con seguridad Manillade mango Manillade mango Abertura del bastidor MOTOR VELOCIDAD DEL MOTOR La velocidad del motor ha sido ajustada en la...

Page 31: ... HACIA A n_S Posici6n para segar MOTOR SISTEMA DE COMBUSTIBLE IMPORTANTE Es importante evitar que se formen dep6sitos de goma en partes fundamentales del sistema de combustible tales como el carburador el filtro del combus tible la manguera del combustible o en el estanque durante el almacenamiento La experiencia tambi_n indica que los combus tibles mezclados con alcohol conocido como gasohol o qu...

Page 32: ... _PRECAUCI6N Nunca almacene la segadora con gasolina en el estanque dentre de un edificio en donde los gases pueden alcanzar una llama expuesta o una chispa Permita que se enfde el motor antes de alma cenarla en alg6n recinto cerrado IDENTIFICACION DE PROBLEMAS PROBLEMA CAUSA No arranca 1 Filtro de aire sucio 1 2 Sin combustible 2 3 Combustible rancio 3 4 Agua en el combustible 4 R 5 Alambre de bu...

Page 33: ...strandose en el c_sped 3 Recogedor de c6sped demasiado Ileno 4 Posici6n de la altura del mango no adecuada para usted 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 parte inferior de la caja de la segadora 5 Revise el nivel del aceite 6 Corte a una velocidad de recorrido mds lenta 1 Cambie la cuchilla Apriete el perno d...

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

Page 35: ...7053 Shifter 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 Hardened Washer 11 131484 Clutch Yoke 12 700343 Bushing t3 86447 Plug 14 137050 Helical Gear 15 750436X Clutch Jaw 16 750369 Grease 17 12000003 E Ring 18 850848 Hi Pro Key 19 81585X004 Spdng Bracket NOTE All component dimensions given in U S inches 1...

Page 36: ...CRAFTSMAN ROTARY LAWN MOWER MODEL NUMBER 917 378412 78 36 j 21 23 13 24 31 34 27 35 79 7 2 30 31 28 13 21 45 I 48 _ 43 46 25 ...

Page 37: ...H 50 851084 SpdngRH 78 179752 Keps Locknut 1 4 20 79 179753 Rope Guide 161058 Rear Skirt 181265 Hinge Screw 1 4 20 x 1 1 4 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 6 16 18 x 33 165761X004 Axle Arm Assembly RR 701037 Selector Knob 175060X004 Selector Spring 165762X004 Axle Arm A...

Page 38: ...54 CRAFTSMAN ROTARY LAWN MOWER MODEL NUMBER 917 378412 18 18 14 16 14 13 11 8 12 13 41 55 I ...

Page 39: ...1 4 20 x 2 12 32 137052 V Belt 35 151521 Spring Retainer 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 DdveCover Hex Flange Nut Drive Pulley Wheel Adjuster Assembly Left Gear Case Assembly Spring Locknut 1 4 20 Spring Whe...

Page 40: ...CRAFTSMAN 4 CYCLE ENGINE MODEL NUMBER 143 016728 9OO 400 135 130 120 119 238 I I 41 126151A 1 125 310 0_ 307 306 40 ...

Page 41: ...el Nut 313 34080 100 3444 3 3 Solid State Ignition 347 651038 101 610118 Spark Plug Cover 370A 36261 103 651007 Screw Torx T 15 10 24 x 15 16 370C 37318 104 37480 CamBushing 370R 37317 110 37047 GmundWim 380 640271 119 36787 CylinderHead Gasket 390 590739 120 36825 CylinderHead 400 37613 125 36780 Exhaust Valve 1 32 OS 416 36085 includes Key Number 151 125 37288 Exhaust Valve Std IncL 151 417 6507...

Page 42: ...ngine Parts List Throttle Shaft Lever Assembly Throttle Return Spring Dust Seal Washer Dust Seal Throttle Throttle Shutter Shutter Screw Fuel Fitting Throttle Crack Screw Idle Speed Screw Tension Spring Idle Restdctor Screw Idle Restdctor Scrwe Cap Black Float Bowl Float Shaft Float Float Bowl O Ring Inlet Needle Seat Clip Includes 31 Spring Clip Primer Bulb Retainer Ring Main NozzleTube Carbureto...

Page 43: ...er Washer Brake Spring Starter Dog DogSpring Pulley Rewind SpringAssembly Starter HousingAssembly 40degreegrommet Starter Rope 98 x 9 64 diameter Starter Handle 12 KEY PART NO NO 590739 3 590740 6 590616 7 590617 a 8 590618A 11 590638 12 590535 13 590701 Jl III 7 14 590760 DESCRIPTION Rewind Starter Retainer Starter Dog Dog Spring Pulley Rewind Spring Assembly Starter Housing Assembly 40 degree gr...

Page 44: ...6a m 11 p m 7 days aweek 1 800 366 7278 U S A only www sears conYparlsdirect TO purchase or inquireabout a Sears Service Agreement or Sears Maintenance Agreement 1 800 827 6655 u s A 7 rn 5 p rn CST Mon SaL Patape_r serviciode reparacidna domicilio y para ordenarpiez _ 1 888 SU4 1OGAR sM 1 888 784 6427 1 800 361 6665 Canada 9 _m 8 p m EST M F 4 p m Sat Au _ pour service enfranqab 1 8 X LE FOYER Mc...

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