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Summary of Contents for 917.378320

Page 1: ...TARY LAWN MOWER Model No 917 378320 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: ...rom 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 follow all instructions on the machine and in the manual s before starting Be thor oughly famil...

Page 3: ...the watchful care of another responsible adult Ue 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 comers 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: ... accessories contain lead and lead compounds 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 Bears stores can also order repair parts fo...

Page 5: ...rts HOWTO SET UPYOUR LAWN MOWER TO UNFOLD HANDLE IMPORTANT Unfoldhandle 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 handle Your ...

Page 6: ... Housing 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 safetystandardsof the American National StandardsI_e and the U S Consumer ProductSafetyCommission The blade turnswhen the en_lina is runnir_ Operator presence control bar must...

Page 7: ...ments 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 9oposition adjusters if so equipped allow lever to be positioned between the plate tabs Pl_a Tab L wer Wheels f r High...

Page 8: ...ine with a minimum of 87 octane Do not mix oil with gasoline Pumhase fuel in quantities that can be used within 30 days to assure fuel freshness AWARNING 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 T...

Page 9: ...ilt up grass and trash See Cleaning in 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 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 p...

Page 10: ...To receivefullvalue fromthe warranty operatormustmaintain moweras instructedin this manual Some adjustments will need to be made periodically to properlymaintainyour unit All adjustments in the Serviceand Adjustmentssectionof thismanual shouldbe checkedat least once each season Once a year replace the spark plug clean or replace air filter elementand check blade for wear A new spark plugand clean ...

Page 11: ...ing when removing blade bolt _OTE Protect your hands with gloves nd or wrap blade with heavy cloth t Remove blade bolt by turning counter clockwise _ Remove blade and attaching hard ware bolt lock washer and hardened washer _OTE Remove the blade adapter and heckthe key inside hub of blade _dapter The key must be in good condi ion to work properly Replace adapter if tamaged TO REPLACE BLADE 1 Posit...

Page 12: ... drive wheel gear teeth 4 Put wheels back in place NOTE If after cleaning the drive wheels do not turn freely contact a Sears or other 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 lev...

Page 13: ...ing the tab with the slot 3 Push in on cover and turn counter clockwise to tighten COllar Turn Ctip clockwise to r0move 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: ...r Remove belt from gearcase pulley by pushing down on pulley and rolling belt off it 2 Turn lawn mower on its side with air filter 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 Orive TO ADJUST HANDLE The handlecan be mountedin a highor ...

Page 15: ...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 other qualifi...

Page 16: ...oldforward for _ _ _ stroage e_ Y3 v _ _ _ _ _ _ _ _ Fold f ckward _ _ Mowing position Lower handle ENGINE FUEL SYSTEM IMPORTANT It is important to prevent gum deposits from forming in essential fuel system parts such as carburetor fuel fitter fuel hose or tank during storage Also experience indicates that alcohol blended fuels called gasohol or using ethanol or methanol can attract moisture which...

Page 17: ...e 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 mower t Wor...

Page 18: ... 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 t Cutting height too low 1 Raise cutting height notfilllng ifso 2 Lift on blade worn oft 2 Replace blade equipped 3 Catcher not venting air 3 Clean grass catcher Hard to push 1 Raise cutting height 1 Grass is too high or wheel height is too low 2 Rear ...

Page 19: ...Washer 2 137055X X 4 Engagement Bracket 11 131484 Clutch Yoke 3 137053 Shifter 12 70G343 Bushing 4 57072 Seal 13 86447 Plug 6 48373 Gear Case Haives Kit 14 137050 He lcalGear includes Key Nos 4 15 750436X Clutch Jaw and 7 16 750369 Grease 7 77881 Bearing 17 120 X 00_ E Ring 8 137051 Worm Shaft 18 850848 Hi ProKey 19 81585X004 Spdng Bracket NOTE All component dimensions given in U S inches 1 inch 2...

Page 20: ...ROTARY LAWN MOWER MODEL NUMBER 917 378320 53 46 29 28 69 ...

Page 21: ...lJng Bracket Thread Cuffing Screw w Barns 5 16 18 x 3 4 Flat washer 3 8 Handle Bracket Assembly Left Hand_ Bracket Assembly Ri_t 41 150406 Hex Head Thread Rolling Screw 3 8 16 x 1 1 8 44 172835 Lawn Mower Housing Incl Key 14 15 51 46 851514 Blade Adapter 47 141114 Blade 22 48 851074 Hardened Washer 49 850_63 Helical Washer 3 8 24 x 1 3 8 Gr 8 50 851084 Hex Head Machine Screw 3 8 24 x 1 3 8 Gr 8 51...

Page 22: ...ROTARY LAWN MOWER MODEL NUMBER 917 378320 18 18 14 15 16 13 14 13 12 ...

Page 23: ...tainer Hubcap F_lnged Nut Wheel Tire Assembly E R g Pinion Dust Cover Feitwasher Washer 1 2 x 1 1P2 x 134 Selector Knot KEY PART NO NO DESCRIPTION 26 28 31 32 35 36 37 38 40 41 54 55 57 1436_G 154990 132010 137 To2 151521 7 _ 511 137O90 STD541425 7519_ 151520 169932 86012 169931 Pan Head Tapping Screw 10 24 x 2 3 4 DriveCover Hex Flange Nut Drive Pulley Wheel Adjuster Assembly Left Gear Case AsSem...

Page 24: ...CRAFTSMAN 4 CYCLE ENGINE MODEL NO 143 016700 1355 110_ 400 135 120 119 416 125 275 42 ...

Page 25: ...Flywheel Key 90 611112 FlywheelA 380 640271 390 590739 92 650815 Belleville Washer 400 36792B 93 650816 Flywheel Nut t00 34443C Solid State Ignition 416 36085 101 610118 Spark Plug Cover 103 651007 Screw Torx T 15 10 24 x 15 417 650760 16 900 t04 37480 Cam Bushing 110 37047 Ground Wire 900 119 36787 Cylinder Head Gasket 120 36825 Cylinder Head 125 36780 Exhaust Valve 1 32 OS Incl 151 37288 Exhaust...

Page 26: ...CRAFTSMAN 4 CYCLE ENGINE MODEL NO 143 016700 27 _B37 Ci_ m37 44 ...

Page 27: ...ngine Parts List Throtte Shaft Lever Assemby Throttle Return Spring Dust Seal Washer Dust Seal Throttle Throttle Shutter Shutter Screw Fuel Fitting Throttle Crack Screw Idle Speed Screw Tension Spring Idle Resttictor Screw Idle Restdctor Scrwe Cap Black Float Bowl Float Shaft Float Float Bowl 0 Ring Inlet Needle Seat Clip Incl 31 Spring Clip Primer Bulb Retainer Ring Main Nozzle Tube Carburetor Tu...

Page 28: ...NO 590702 590599A 590600 590696 590601 590697 590698 590699 590700 590703 590535 590701 DESCRIPTION Recoil Starter Spring Pin IncL 4 Washer Retainer Washer Brake Spring Starter Dog Dog Spring Pulley Rewind Spring Ass y Starter Housing Ass y 40 degree grommet Starter Rope 9E X 9 64 dia Starter Hand e 46 ...

Page 29: ...2 13 14 PART NO DESCRIPTION 590739 Rewind Starter 590740 Retainer 590616 Starlet Dog 590617 DOg Spring 590618A Pulley Rewind Spring Ass y 590638 Starter Housing ASS y 40 degree grommet 590535 Stader Rope Length 98 x 9 64 dia 590701 Starter Handle 590760 Spring Clip 47 ...

Page 30: ...ries and owner s manuals that you need to do it yourself call Sears PartsDirectSM 1 800 366 PART 6ar 41 pr_CST 1 800 366 7278 7 daysa week www sears com partsdlrect To purchase or inquire about a Sears Service Agreement 1 800 827 6655 7 a rn 5 p m CST Mort Sat Para pedir serviciode reparacibn a dornicilio y para ordenar piezas con entrega a dornicillo 1 888 SU HOGAR s 1 888 784 6427 Au Canada pour...

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