Sears Craftsman 917.378590, Owner'S Manual

Page 1: ...NER S MANUAL oAssembly Operation Customer Responsibilities Service t _ d _ _ d tj d d d d_ t d L w _ Repair Parts Caution Read and Follow all Safety Rules and Instructions Before Operating This Equipment I illlllllll III II I IIIIIIIIIIII I ...

Page 2: ...rts Keep clear of the discharge opening at alf times Always step the engine whenever you leave or are not using your mowe r or before crossing driveways walks roads and any gravel covered areas Never direct discharge of material toward bystanders nor allow anyone near the mower while you are operating it Before cleaning inspecting or repairing your mower stop the engine and make absolutely sure th...

Page 3: ...Sears store for details CUSTOMER RESPONSIBILITIES Read and observe the safety rules Follow a regular schedule in maintaining caring for and using your lawn mower Follow the instructions under Customer Responsibilities and Storage sections of this owner s manual LIMITED TWO YEAR WARRANTY ON CRAFTSMAN POWER MOWER For two years from date of purchase when this Craftsman Lawn Mower is maintained lubric...

Page 4: ...Care Replacement 10 Drive Wheels 10 Engine 11 Lubrication 11 Spark Plug 11 Cutting Levels 7 E Engine Air Filter 11 Oil Change 12 Oil Level 12 Oil Type 12 Starting 8 Stopping 8 Storage 15 F Fuel Capacity 3 Storage 15 Type 8 H Handle Adjustment Assembly 5 Cutting Height 7 L Lubrication Engine 11 Lawn Mower 9 M Maintenance Agreement 3 Maintenance Schedule 9 Mowing Tips 8 Oil O Engine 11 Storage 15 Op...

Page 5: ...ssemble must be tightened securely Use the correct tools as necessary to ensure proper tightness All parts such as nuts washers bolts etc necessary to complete the assembly have been placed in the partsbag TO REMOVE LAWN MOWER FROM CARTON Remove loose parts includedw th mower Cut down two end corners of carton and laYend panel down flat Remove all packing materials except padding between upper and...

Page 6: ...EL FIG 2 I II IIII mllllllil I I fl fl fllfl MEETS CPSC SAFETY REQUIREMENTS Sears rotary walk behindpower lawnmowers conform to the safety standards of the American National Standards Institute and the U S Consumer Product Safety Commission The blade turns when the engine is running OPERATOR PRESENCE CONTROL must be held down to the handle to start the engine Release to stop the engine STARTER HAN...

Page 7: ...ndle and pushing the drive control lever forward until it clicks then release the lever Forward motionwili stop when the operator presence controlbar is released To stopforward motionwithout stopping engine releasethe operatorpresence control bar slightly untl the drive control disengages Hold operator presence control bar down to handle to con tinue mowing withoutself propelling To keep drive con...

Page 8: ...imes before tryingto start Use afirm push This step is not usually necessary when startingan engine which has already run for a few minutes Push engine speed control lever to fast _ position Holdoperator presence controlbar downto the handle and pul starter handle quickly DO NOT allow starter rope to snap back To STOP engine release operator presence control bar NOTE In cooler weather it may be ne...

Page 9: ...ted 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 fiiterelement ...

Page 10: ...BLADE Care should be taken to keep the blade balanced An unbalanced blade will cause eventual damage to lawn mower or engine The bladecan be sharpened with afile or on agdnding wheel Do not attempt to sharpen whileonthe mower To check blade balance drive a nail into a beam or walt Leave about one inch of the straight nail ex posed Place center hole of blade over the head of the nail If blade is ba...

Page 11: ... often if you mow in very dusty dirty conditions TO SERVICE AIR FILTER See Fig 9 Loosen screw and tilt cover as shown Carefully remove cartridge Clean by tapping gently on a flat surface If very dirty replace cartridge or clean as follows Wash in a low or non sudsing detergent and warm water solution Rinse thoroughly with flowing water from mesh side until water runs clear Let cartridge air dry th...

Page 12: ...o the discharge opening of your lawn mower is provided to prevent the possibility of injury resulting from objects being thrown out of the dis charge opening into the operator mowing position tf the discharge guard becomes damaged it should be replaced TO REMOVE REPLACE DRIVE BELT See Fig 10 Remove ddve cover Remove be t by push ngdownon gear case pulley Turn lawn mower on its side with carburetor...

Page 13: ...e Fig 13 Turn the handle over and reassemble the hairpin cotters that have been removed o o Reassemble the starter rope guide Reassemble the controls and the operator presence control bar to the upper handle ill ill i CAUTION The operator presence con trol bar must pivot freely to permit blade brake engagement when control bar is released Do not overtighten the fas teners holding the controls to t...

Page 14: ... no load adjusting screw tt was pre set at the factory FINAL ADJUSTMENT Place engine speed control leverin IDLE or SLOW il position Adjust idle RPM by turning idle speed adjusting screw to obtain 1700 RPM Next turn idle mixture screw in clockwise lean mixture until engine just starts to slow Then turn idle mixture screw out counter clockwise rich TOP NO LOAD SCREW IDLE SPEED ADJUSTING SCREW IDLE M...

Page 15: ...NGINE WHILE IN STORAGE Drain the fuel tank Start the engine and let it run until the fue lines and carburetor are empty Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur Use fresh fuel next season NOTE Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during stor age Add stabilizer to gasoline in fuel tank or ...

Page 16: ...REPAIR PARTS CRAFTSMAN 22 ROTARY LAWN MOWER MODEL NO 917 378590 16 I 18 31 62 39 4O 1 36 43 38 42 45 43 38 49 45 52 56 51 ...

Page 17: ...ocknut Support Bracket Left Support Bracket Right Hex Head Bolt 3 8 16 x 3 4 Wheel Adjusting Bracket Spacer Selector Spring Selector Knob Axle Arm Assembly Rear Spring Washer H W 42 84921 43 88017 44 57143 45 83923 46 85463 47 59289 48 55187 49 STD541425 50 851201X004 51 134612 52 850998 53 851084 54 850263 55 851074 56 850973 57 851514 59 700869X479 62 48324 63 84596 64 87677 68 141131 134027X479...

Page 18: ...REPAIR PARTS CRAFTSMAN 22 ROTARY LAWN MOWER MODEL NO 917 378590 o_ 26 i 21 1 13 24 29 30 ...

Page 19: ...802 Washer 37 137052 12 69180 Locknut 10 24 39 75192 I3 88118 Fett Washer 40 850848 14 67725 Washer 1 2 x 1 1 2x 134 41 137090 15 87877 Selector Knob 42 702511 21 88080 Dust Cover 43 751809 22 137054 Pinion 44 751810 23 12000058 E Ring 45 86012 24 700953 Wheel Tire Assembly 46 851552 25 86960 Wheel Bushing DESCRIPTION Flat Washer Retainer Clip Hubcap Drive Cover Decal Pan Head Tapping Screw 10 24 ...

Page 20: ...48373 Gear Case Halves Kit Includes Key Noso4 5 and 7 7 77881 Bearing 8 137051 Worm Shaft 9 137074 Drive Shaft 10 57079 Hardened Washer 11 131484 Clutch Yoke 12 700343 Bushing KEY PART NO NO DESCRIPTION 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 NOTE To reseal housing halves use Locktite No 51...

Page 21: ...BRIGGS STRATrON 4 CYCLE ENGINE MODEL NO 128802 TYPE NO 0519 21 96_ 968 621 21 ...

Page 22: ...BRIGGS STRATTON 4 CYCLE ENGINE 572 9A 3O7 5 7 8 307 306 MODEL NO 128802 TYPE NO 0519 21 22 842 _ 8_ k REQUIRES SPECIAL TOOLS TO INSTALL SEE REPAIR INSTRUCTION MANUAL 22 ...

Page 23: ...IGGS STRATTON 4 CYCLE ENGINE MODEL NO 128802 TYPE NO 0519 21 9 842_ 524 0 116 Q 634 617 977 CARBURETOR GASKET SET _ 613 883 104 r rl Ii 33_3 851 843 127 116 134 617 634 121 CARBURETOR KIT 334 188A 670A 23 ...

Page 24: ...BRIGGS STRATTON 4 CYCLE ENGINE os I I MODEL NO 128802 TYPE NO 0519 21 19721 _ _ _ 670 949 304 363 1016 57 L f r 69 456 _ 515 69A _332 455 24 ...

Page 25: ...ew Connecting Rod Valve Exhaust Valve Intake Spring Valve Retainer Valve Spring Tappet Valve Gear Cam MODEL NO 128802 TYPE NO 0519 21 KEY PART NO NO DESCRIPTION 47 493737 Slinger Oil 52 272199 Gasket Intake Elbow 54 94526 Screw Hex Head 55 492831 Housing Rewind Starter 56 493824 Pulley Rewind Starter 57 262594 Spring Rewind Starter 58 280399 Rope Rewind Starter Cut To 88 5 8 59 396892 Insert Start...

Page 26: ... Head Fastener Crank Governor Seal Intake Elbow Bracket Carburetor Switch Stop MODEL NO 128802 TYPE NO 0519 21 KEY PART NO NO DESCRIPTION 625 281025 Tube Fuel Intake 634 Washer Shaft Sold in Kit Only 635 66538 Elbow Spark Plug 670 280512 Spacer Fuel Tank 670A 493823 Spacer Bracket 741 262598 Gear Timing 842 280966 Seal O Ring 843 272616 Sleeve Lever 847 495263 Tube Assembly Oil 851 221798 Terminal...

Page 27: ... 8 Depress control bar to handle 9 Replace control bar 1 Set in Higher Cut position 2 Set in Higher Cut position 3 Clean replace air filter 4 Clean underside of mower housing 5 Check oil level 6 Cut at slower walking speed 1 Replace blade Tighten blade bolt 2 Set all wheels at same height 3 Set engine speed control in fast position 4 Clean underside of mower housing 1 Replace blade Tighten blade b...

Page 28: ... the blower housing of the engine All parts listed herein may be ordered from any Sears Roebuck and Co Service Center Department and most Retail Stores WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION PRODUCT LAWN MOWER MODEL NUMBER 9 7 378590 ENGINE BRIGGS STRATTON MODEL NO 128802 TYPE NO 0519 21 PART NUMBER PART DESCRIPTION consider Sears has service units nationwide staffed with...