Page 1: ...rsepower Power Propelled 21 Rear Discharge Model No 917 378352 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: ...pped 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 U SLOPE OPERATION Slopes are a major factor related to slip and fall accidents which can result in severe injury All slopes ...
Page 4: ...ich 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 accessories were available when this lawn mower was produced They ...
Page 5: ...on thorougly for additional loose pads 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 mowing position 2 Remove protective padding raise upper handle section into place on lower handle and tighten both handle knobs 3 Remove handle padding holding operator pres...
Page 6: ... catcher Air filter Engine oil cap with dipstick cover Housing Wheel 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...
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 comers push down on handle and lift front wheels off ground while turning lawn mower Operator presence control bar Drive _ 2 _ control DRIVE CONTROL DISENGAGED TO ADJUST CUTTING HEIGHT Raise...
Page 8: ...e sure that rim of spout is clean 3 You receive a container of oil with the unit Slowly pour the entire container down the oil fill spout into the engine 4 Wait one minute to allow oil to settle Insert and tighten dipstick then remove it to check oil level 5 Always be sure to retighten oil dipstick before starting engine Check oil level before each use Add oil if needed Fill to full line on dipsti...
Page 9: ... 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 and not be noticed Also the mulched grass will biodegrade quickly to provide nutrients for the lawn Always mulch with your highest engine blade speed as this will ...
Page 10: ...tor 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 clean new air filter element assur...
Page 11: ...e 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 opposite sharp edge is up toward t...
Page 12: ...ng temperature _RATURE RANGE ANTICIPATED _FORE NEXT OIL CHANGE 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 or at least once...
Page 13: ...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 hose to c...
Page 14: ...cket 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 Anti fold bracket Lower handle ROTATE ENGINE ENGINE SPEED Your engine speed has been factory set Do not attempt to increase en...
Page 15: ...er handle will automatically lock into the mowing position SQUEEZE TO FOLD handk I I I Operator presence Mowing position control bar Lower FOLD BACKWARD bracket 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 ...
Page 16: ...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 bar in released position 9 Control bar defective 10 Fuel valve lever if so equipped in OFF position 11 W...
Page 17: ...de bolt 2 Set all wheels at same height 3 Clean underside of mower housing 1 Replace blade Tighten blade bolt 12 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 Rais...
Page 18: ... en use en los Estados Unidos Esta Garantfa le otorga derechos legales especifices y puede que tambi_n tenga otros derechos 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 manes y los manes y los pies y de lanzar objetos Si no se observan las instrucciones de seguridad siguientes se pueden producir l...
Page 19: ...icar que existe alguna averia Siempre use gafas de seguridad o anteojos con proteccibn lateral cuando opere la segadora II OPERACION SOBRE LAS CUESTAS Los accidentes ocurren con rods frecuencia en las cuestas Estos accidentes ocurren debido a resbaladas o cafdas las cuales pueden resultar en graves lesiones Operar la recortadora en cuestas requiere mayor concentraci6n S se siente inseguro en una c...
Page 20: ...os a desgaste daSos y deterioro que pueden exponer las partes en movimiento o permitir que objetos sean disparados Controlar frecuentemente y cuando sea necesario sustituir con panes aconsejadas por el fabric ante Las cuchillas de la segadora est4n afiladas y pueden cortar Cubdr las hojas o Uevar guantes y utilizar precauciones especiales cuando se efectua mantenJmiento sobre las mismas No cambie ...
Page 21: ...GADORA PARA DESDOBLAR EL MANGO IMPORTANTE Despliegue el mango con mucho cuidado para no pellizcar o datlar los cables de control 1 Levante los mangos hasta que la secciSn del mango inferior se asegure en su lugar en la posici6n para segar 2 Remueva la cuSa protectora levante la secci6n del mango superior hasta su lugar en el mango inferior y apriete ambas maniUas del mango 3 Remueva la cuSa del ma...
Page 22: ...motor con varilla indicadora de nivel Cubierta de Ca_a Ajustador de la rueda en cada rueda IMPORTANTE Esta cortacdsped 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 atrds rotatodas Sears cumplen con los estdndares de seguridad del American National Standards Institute y de la U S Con sumer Product Safe...
Page 23: ...bajo en contra del mango para ontinuar 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 queexl e la presenciadel operador k_k _ _ _ Control CONTROL DE LAIMPULSION DE_ PARA AJUSTAR LA ALTURA DE CORTE Levante las ruedas para...
Page 24: ...Puede necesitar cambiar el aceite m s a menudo cuando las condiciones son polvorosas o sucias AGREGUE GASOLINA Llene el estanque de combustible hasta la parte inferior del cuello de relleno del estanque de gasolina No Io Ilene demasiado Use gasolina regular sin plomo nueva y Iimpia con el minimo de 87 octanos No mezcle el aceite con la gasolina Para asegurar que la gasolina utilizada sea fresca co...
Page 25: ...on mugre y polvo con el uso y los recogedores recaudar_ n menos c_sped Para evitar _ste 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 ayudarb el flujo del aire del motor y extender su duraci6n 25 CONSEJOS PARA SEGAR Y ACOLCHAR IMPORTANTE Para obten...
Page 26: ... 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 qua ser revisados por Io menos un vez pot cada temporada Una vez al a_o cambie la bujfa limpie o cambie el elemento del filtro de aire y revise si la cuchilla estd desgastada Una bujfa nueva ...
Page 27: ...chilla y revise el cube interior de 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 daSado 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 igueSal est_n alineados 2 Ponga la cuchilla en el adaptador ...
Page 28: ... de viseosidad SAE segOn su temperatura de operacibn esperada CAUDADES DE VISCOSIDAD DE SAE AVISO A pesar de que los acoites de multiviscosidad 5W30 10W30 etc mejoran el arranque en clima lr_o estos aceites de multiviscosidad van ha aumentar el consumo de aceite cuando se usan en temperaturas sobre 32 F Revise el nivel del aceite del motor m s a menudo para evitar un posible daSo en el motor debid...
Page 29: ...CI6N Desconecte el alambre de la bujia y p6ngalo en donde no pueda entrar en contacto con dsta Limpie la parte inferior de su segadora rasp ndola para remover la acumulacidn de cdsped y basura Lirnpie el motor a menudo para evitar que se acumule la basura Un motor tapado funciona mas caliente y se acorta su duraci6n Mantenga las superficies pulidas y las ruedas sin gasolina aceite etc No recomenda...
Page 30: ...s de montaje 4 Gire el mango inferior por encima 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 _ _ _ Sopode contra d_a Mango GIRAR Posc6n r _ Posici6n r _ _ parasegarli I _ parasegar I i i 1 J N Clavija_ _ 1_ _ _ de I i t _7 7_f_1 IlL Punial III Cla...
Page 31: ...en la posici6n pare segar APRIETE PAPA DOBLAR Mango interior Barra de controlq exige la presencia del operador Posicibnpara segar Mango DOBLAR HACIAATRA S 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 filtro del combus tible la manguera del combustible o en el estanque dura...
Page 32: ...rmita que se enfrle el motor antes de alma cenada en alg0n recinto cerrado SOLUCI6N DE PROBLEMAS Vea la seccibn apropiada en el manual amenos que est6 dirigido a un centro de servico Sears CAUSA PROBLEMA NO arranca 1 2 3 4 Filtre de aire sucio Sin combustible Combustible rancio Agua en el combustible 5 Alambre de la bujfa desconectado 6 Bujfa mala 7 Cuchilla suelta o adaptador de la cuchilla quebr...
Page 33: ...ura del mango no adecuada para usted Desgaste de la correa La correa estd fuera de la polea Cable de la impulsi6n usado o rote Suciedad an pifiones del mecanismo impulsor CORRECCI _N 1 Ajuste a la posici6n de Corte mds alto 2 Ajuste a la posici6n de Corte mds alto 3 Limpie cambie el liltro de aire 4 Limpie la parte inferior de la caja de la segadora 5 Revise el nivel del aceite 6 Corte a una veloc...
Page 34: ...SERVICE NOTES 34 ...
Page 35: ...501 Spring Return 6 183502 Shaft Input 7 183503 Dog Movable 8 183504 Dog Fixed 9 183505 Wire Formed 10 183506 Bearing Bali 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 Dew Coming 709 to reseal Gear Case Halves NOTE All component dimensions given in U S inches 1 inch...
Page 36: ...CRAFTSMAN ROTARY LAWN MOWER MODEL NUMBER 917 378352 I 6 21 15 25 31 38 37 11 _ j10 44 43 46 ...
Page 37: ...e Bracket Assembly Right 48 851074 Spdeg LH 49 85O263 SpdngRH 50 851084 Keps Locknut 1 4 20 83 165108 RopeGuide 161058 Rear Skirt 184163 Hinge Screw 1 4 20 x 1 1 4 Engine Pulley Hi Pro Key 505 Engine Craftsman Model Number 143 026200 See Breakdown Hex Head Thread RollingSrew 3 8 16 x 1 1 8 Hex Flange Nut Wbe_ Shoulder Bolt 5 16 18 x 33 Axle Arm Assembly RR Selector Knob Selector Spring Nut 5 16 18...
Page 38: ...54 9 11 CRAFTSMAN ROTARY LAWN MOWER MODEL NUMBER 917 378352 16 14 38 15 35 41 2 36 18 14 15 2 13 12 55 11 8 26 ...
Page 39: ...Screw 1 4 20 x 2 12 35 151521 V Belt SpringRetainer 36 180184 Hubcap 37 137090 Locknut 38 63601 Wheel Tire Assembly 41 151520 E Ring Pinion 54 183994 Dust Cover 55 175739 FeltWasher 57 183993 Washer 1 2x 1 1 2 x 134 Selector Knob Pan Head Tapping Screw 10 24 x 2 3 4 DdveCover Hex Range Nut DrivePulley Wheel Adjuster Kit LH includes Knoband Bearing Gear Case Assembly See Breakdown Spdng Loclmut 1 4...
Page 40: ...CRAFTSMAN 4 CYCLE ENGINE MODELNUMBER143 026200 400 _ _ Q 370K 370 d390 _ 261 355370A 26O 298 110 _ _290 U _1 _292 130 126151A 1 120 416 I 119 275 241 238 24S 250 4O ...
Page 41: ...umbers 151 and 151A Screw 5 16 18 x 1 7 16 Resistor Spark Plug RJ19LM Valve Spdng Valve SpdngCap Intake Valve Seal Valve Cover Gasket Valve Cover Screw 10 24 x 9 16 KEY PART NO NO DESCRIPTION 178 29752 182 6201 184 26756 185 36785 186 32653 189 650839 191 36559A 195 610973 207 34336 216 33086 223 650451 224 36786 238 650932 239 34338 241 36919 245 36905 250 37122 260 36980 261 30200 262 650831 275...
Page 42: ...le Return Spdng Dust Seal Washer Dust Seal Throttle Shutter ShutterScrew Fuel Fitting Screw Throttle Crack Idle Speed Tension Spring Idle Restrictor Screw Idle Restdctor Screw Cap Roat Bowl Roat Shaft Float Plastic Float BowlO Ring Inlet Needle Seat Clip Includes Key 31 SpringClip PrimerBulb Red Retainer Ring Main Nozzle Tube BowlVent Tube Extension O Ring Main Nozzle Tube High Speed BowlNut BowlN...
Page 43: ...sembly 40 degree Grommet 590535 Starter Rope 98 x 9 64 diameter 590701 Starter Handle NOTE All componentdimensions given in U S inches 1 inch 25 4 mm _ 14 13 KEY PART NO NO DESCRIPTION 12 II 111 7 590737 Rewind Starter 3 590740 Retainer 6 590616 Starter Dog 7 590617 Dog Spnng 8 590618A Pulley Rewind Spring Assembly 11 590687B Starter Housing Assembly 40 degree Grommet 12 590535 Starter Rope 98 x 9...
Page 44: ...all or go on line for the nearest Sears Parts and Repair Center 1 800 488 1222 Anytime day or night U S A only www sears com ili i i i i i_i_i_ _ i_ i iiii i i To purchase a protection agreement U S A i ili_i ili_ ii_i or maintenance agreement Canada on a product serviced by Sears i i i_i_i_i_i_ i 1 800 827 6655 u s _ 1 800 361 6665 Canada _ _ _ Para pedir servicio de reparacibn a domicUio y para ...
