Craftsman 917.378310 Owner'S Manual Download | Manualshive

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Summary of Contents for 917.378310

Page 1: ...TARY LAWN MOWER Model No 917 378310 Safety Assembly Operation Maintenance Espa_ol 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: ...from state to state SEARS ROEBUGKAND 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 follow all instructions on the machine and in the manual s before starting Be thor oughly famil...

Page 3: ...he 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 vision IV SERVICE Use extra care in handling gasoline and other fuels They are flamma...

Page 4: ...ounds chemicals known to the State of California to cause cancer and birth defects or other reproductive harm Wash hands after handling 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 centers Most Sears stores can also order repair parts for you when you provide the model number...

Page 5: ...oose 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 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 presence control bar to upper ha...

Page 6: ...imer Housing cover Engine oil cap w dipstick IMPORTANT This lawn mower is shipped WITHOUT OIL OR GASOLINE in Wheel adjuster the engine on each wheel MEETS CPSC SAFETY REQUIREMENTS Sears rotarywalk behindpower lawn mowers conformto the safety standardsof the American NationalStandards Instituteand the U S Consumer ProductSafety Commission The blade turns when the engine is mnnin_l Operator presence...

Page 7: ...to suit your requirements Medium position is best for most lawns To change cutting height squeeze adjuster lever toward wheel Move wheel up or down to suit your require ments Be sure all wheels are in the same setting NOTE Adjuster is properly positioned when plate tab inserts into hole in lever Also 9 position adjusters if so equipped allow lever to be positioned between the plate tabs PlateTab L...

Page 8: ...e with a minimum of 87 octane Do not mix oil with gasoline Purchase fuel in quantities that can be used within 30 days to assure fuel fre_hr _ _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 ...

Page 9: ...uilt up grass and trash See Cleaning in 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: ...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 clean new a...

Page 11: ...g when removing blade bolt NOTE Protect your hands with gloves aod or wrap blade with heavy cloth 4 Remove blade bolt by turning counter clockwise 5 Remove blade and attaching hard ware bolt lock washer and hardened washer NOTE Remove the blade adapter 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 Pos...

Page 12: ...el gear teeth 4 Put wheels back in place NOTE If after cleaning the drive wheels do not turn freely contact a Sears or othe qualified service center GEAR CASE To keep your drive system working properly the gear case and area around the drive should be kept clean and free of trash build up Clean under the drive cover twice a season The gear case is filled with lubricant to the proper level at the f...

Page 13: ...ing the tab with the slot 6 Push in on cover and turn counter clockwise to tighten Turn Clip clockwise to Collar remove MUFFLER Inspect and replace corroded muffler as it could create a fire hazard and or dam age SPARK PLUG Change your spark plug each year to make your engine start easier and run better Set spark plug gap at 030 inch CLEANING IMPORTANT For best performance keep mower housing free ...

Page 14: ...arcase pulley by pushing down on pulley and rolling belt off it 2 Turn lawn mower on its side with air tilter and carburetor up 3 Remove blade 4 Remove debris shield 5 Remove belt from engine pulley on crankshaft 6 Install new belt by reversing above steps 7 Always use factory approved belt to assure fit and long life TO ADJUST HANDLE The handle can be mounted in a high or low position The mountin...

Page 15: ...ne speed or it may result in personal injury If you believe that the engine is running too fast or too slow take your lawn mower to a Sears or other qualified service center for repair and adjustment CARBURETOR Your carburetor has a non adjustable fixed main jet for mixture control If your engine does not operate properly due to suspected carburetor problems take your lawn mower to a Sears or othe...

Page 16: ... bar Upper handle Foldforward for stroags Fold backward Mowing position Lowerhandle 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 separa...

Page 17: ...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 5 Too much oil in engine 6 Walking speed too fast 1 Worn bent or loose blade 2 Wheel heights uneven 3 Buildup of grass leaves and trash under...

Page 18: ...ing 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 notfilling ifso 2 Lift on blade worn off 2 Replace blade equipped 3 Catcher not venting air 3 Clean grass catcher Hard to push 1 Raise cutting height Grass is too high or wheel height is too low 2 Re...

Page 19: ...079 Hardened Washer 137055X004 Engagement Bracket 11 131484 Clutch Yoke 137053 Shifter 12 700343 Bushing 57072 Seal 13 86447 Plug 48373 Gear Case Halves Kit 14 137050 HelicalGear includes Key Nos 4 15 750436X Clutch Jaw and7 16 750369 Grease 77881 Bearing 17 120G0003 E Ring 137051 WormShaft 18 850848 Hi Pro Key 19 51585 004 Spring Bracket NOTE All component dimensions given in US inches 1 inch 25 ...

Page 20: ...ROTARY LAWN MOWER MODEL NUMBER 917 378310 61 2O 35 31 12 41 27 28 7O 13 ...

Page 21: ... Wheel Adjusting Bracket Right Thread Cutting Screw w Seres 5 16 16 x 3 4 KEY PART NO NO DESCRIPTION 38 751592 Nut 39 173569X479 Handle Bracket Assembly Left 40 173570X479 Handle BracKet Assembly Right 41 150406 Hex Head Thread Rolling Screw 3 8 16 x 1 1 6 44 172835 Lawn Mower Housing Ir_L Key 14 15 51 52 46 851514 Blade Adapter 47 141114 Rlede 22 48 851074 Hardened Washer 49 850263 Helical Washer...

Page 22: ...54 ROTARY LAWN MOWER MODEL NUMBER 917 378310 18 14 16 14 12 6 11 13 26 ...

Page 23: ...ring Retainer Hubcap Locknut Wheel Tire Assembly E Ring Pinion Dust Cover FertWasher Washer 1 2 x 1 1 2 x 134 Selector Knob Pan Head Tapping Screw 10 24 x 2 3 4 KEY PART NO NO DESCRIFqlON 28 154990 DriveCover 31 132010 Hex Flange Nut 32 137052 Drive Pulley 35 151521 Wheel Adjuster Assembly Left 36 7 __511 Gear Case Assembly 37 137090 _ofing 38 63601 Locknut 1 4 20 40 75192 SP _9 41 151520 Wheel Ad...

Page 24: ...CRAFTSMAN 4 CYCLE ENGINE MODEL NO 143 006700 9OO 110_ 400 135 130 120 119 4 417v _ 125 1 42 ...

Page 25: ...heel 370C 37318 92 650815 Belleville Washer 370R 37317 93 650816 Flywheel Nut 100 34443B Solid State Ignition 380 640271 101 610118 Spark Plug Cover 390 590739 103 651007 Screw Torx T 15 10 24 x 15 400 367928 16 416 36085 110 37047 Ground Wire 119 36787 Cylinder Head Gasket 120 36625 Cy_ir derHe_d 417 650760 125 36779 Exhaust Valve Std Incl 900 900 151 36780 Exhaust Valve 1 32 OS Incl 151 126 3678...

Page 26: ...CRAFTSMAN 4 CYCLE ENGINE MODEL NO 143 006700 30 27 _m37 44 ...

Page 27: ...31807 Fuel Fitting 651025 Throttle Crack Screw Idle Speed Screw 630766 Tension Spring 640027 Idle Restdctor Screw 640200 rdle Restdctor Scrwe Cap Black 631867 Float Bowl 631024 Float Shaft 632019 Float 631028 Float Bowl O Ring 631021 InJet Needle Seat Clip IncJ 31 631022 Spring Clip 640259 Primer Bulb Retainer Ring 640080 Main Nozzle Tube 632766 Carburetor Tube 632547 O Ring Main Nozzle Tube 64003...

Page 28: ...RT NO 590702 590599A 590600 590696 590601 590697 590698 590699 590700 590703 590535 590701 DESCRIPTION Recoil Starter Spdng Pin Incl 4 Washer Retainer Washer Brake Spring Starter Dog Dog Spring Pulley Rewind Spring Ass y Starter Housing Ass y 40 degree _ommet arter Rope 98 X 9 64 dia Starter Handle 46 ...

Page 29: ...9 3 590740 6 590616 7 590617 8 590618A 11 590638 12 590535 13 590701 14 590760 DESCRIPTION Rewind Starter Retainer Starter Dog Dog Spring Pulley Rewind Spring Ass y Starter Housing Ass y 40 degraegrommet Starter Rope Length 98 x 9 64 dia Starter Handle Spring Clip 47 ...

Page 30: ...ccessories and owner s manuals that you need to do it yourself call Sears PartaDirectSM 1 800 366 PART 6 am 11 p m CST 1 800 366 7278 7 days a week www sears com partsdirect To purchase or inquire about a Sears Service Agreement 1 800 827 6655 7 a m 5 p m CST Mort Sat Pars pedir serviciode reparaci6na domicilio y para ordenarpiezas con entrega a domicilio 1 888 SU HOGAR s 1 888 784 6427 Au Canada ...

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