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Summary of Contents for 917.378290

Page 1: ...aFTZ MODEL NUMBER 917 378290 OWNER S MANUAL Assembly Operation Customer Responsibilities Service Adjustments Repair Parts Caution Read and Follow all Safety Rules and Instructions Before Operating This Equipment ...

Page 2: ...ar or under rotating parts Keep clear of the discharge opening at all times Always stop the engine whenever you leave or are not using your mower 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 m...

Page 3: ...rest 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 ONE YEAR WARRANTY ON CRAFTSMAN POWER MOWER For one year from date of purchase when this Craftsman Lawn Mower is maintained lu...

Page 4: ...e Care Replacement 10 Drive Wheels 10 Engine 11 Lubrication 9 Spark Plug 11 Cutting Levels 7 E Engine Air Filter 11 Oil Change 11 Oil Level 11 Oil Type 11 Starting 8 Stopping 8 Storage 14 F Fuel Capacity 3 Storage 14 Type 8 H Handle Adjustment Assembly 5 Cutting Height 13 L Lubrication Engine 11 Lawn Mower 9 M Maintenance Agreement 3 Maintenance Schedule 9 Mowing Tips 8 Oil 0 Engine 11 Storage 14 ...

Page 5: ...per operation of your lawn mower all parts and hardware you assemble must be tightened securely Use the correct tools as necessary to ensure proper tightness TO REMOVE LAWN MOWER FROM CARTON Remove loose parts included with mower Cut down two end cornersot carton and lay end panel down flat Remove all packing materials except padding be tween upper and lower handle and padding holding operator pre...

Page 6: ...HOUSING WHEEL ADJUSTER ON EACH WHEEL FIG 2 i ii ii i ii ii i I I I I i MEETS CPSC SAFETY REQUIREMENTS Sears rotarywalk behindpower lawn mowers conformto the safetystandardsof the American National Standards Institute and the U S Consumer Product Safety Commission The blade turns when the engine is running f i J i i i llrl OPERATOR PRESENCE CONTROL must be held down to the handle to start the engin...

Page 7: ... clicks then release the lever Forward motionwill stopwhen the operator presence control baris released To stopforward motionwithout stoppingengine releasethe operatorpresencecontrol bar slightly until the drive control disengages Hold operator presence control bar down to handleto con tinue mowingwithout self propelling To keep drive control engaged when turningcorners push down on handle and lif...

Page 8: ... engine or carburetor cleaner products in fuel tank or permanent damage may occur GASOLINE RLLER CAP ENGINE OIL CAP W DIPSTICK FIG 5 MOWING TIPS Undercertain conditions suchas very tall grass itmay be necessary to raise the height of cut to reduce pushing effort and to keep from overloading the engine and leaving clumps of grass clippings For extremely heavy cutting reduce the width of cut and rai...

Page 9: ...or negligence To receivefull valuefrom the warranty operatormustmaintain mower as instructedin this manual Some adjustments will need to be made periodicallyto properlymaintainyour unit All adjustmentsinthe Service and Adjustments sectionof this manual shouldbe checked at least onceeach season Once a year replace the spark plug clean or replace airfilter element andcheck blade forwear A new spark ...

Page 10: ...ade balanced An unbalanced blade will cause eventual damage to lawn mower or engine The blade can be sharpened with a file or on a grinding wheel Do not attempt to sharpen while on the mower Tocheck blade balance drive a nai into a beam orwall Leave about one inch of the straight nail exposed Place center hole of blade over the head of the nail If blade is balanced it should remain in a horizontal...

Page 11: ... to spark plug AIR FILTER Your engine will not run properly and may be damaged by using a dirty air filter Replace the air filter every year more often if you mow in very dusty dirty conditions Do not wash air filter TO CHANGE A1R FILTER See Fig 8 Remove the air filter by tuming counterclockwise to the stop and pul away from collar Remove fitter from inside of cover Clean the inside of the cover a...

Page 12: ...e dischargeopening 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 If the discharge guard becomes damaged it should be replaced TO REMOVE REPLACE DRIVE BELT See Fig 9 Remove drivecover Remove beltby pushingdown on gear case pulley Turn lawn mower on its side with carburetorand fu...

Page 13: ...the controls and the operator presence control bar to the upper handle iiii 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 per handle To change from medium low to high position only the upper handle section will have to be turned over See Fig 11A To change from medium low to low position only the...

Page 14: ...ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE ACIDIC GAS CAN DAMAGE THE FUEL SYSTEM OF AN ENGINE WHILE N STORAGE Drain the fuel tank Start the engine and let it run until the fuel lines and carburetor are empty Never use engine or carburetor cleaner products inthe fuel tank or permanent damage may occur Use fresh fuel next season NOTE Fuel stabilizer is an accept...

Page 15: ... 4 57072 Seal 16 750369 5 702710 Grooved Pin 1 8 x 5 8 17 12000003 6 48373 Gear Case Halves Kit Includes Key 18 850848 Nos 4 5 and 7 19 81585X004 7 77881 Bearing 8 137051 Worm Shaft 9 137074 Drive Shaft 10 57079 Hardened Washer 11 131484 ClutchYoke 12 700343 Bushing DESCRIPTION Rug Helical Gear ClutchJaw Grease E Ring Hi Pro Key Spring Bracket NOTE To reseal housing halves use Locktite No 515 Part...

Page 16: ...REPAIR PARTS CRAFTSMAN 22 ROTARY LAWN MOWER MODEL NO 917 378290 39 62 L 42 41 43 34 56 51 I 33 ...

Page 17: ...ight 57 851514 Rear Deflector 59 700869X479 Hex Washer Head Screw 10 24 x 1 2 60 134027X479 Deflector Bracket 62 48322 Discharge Guard 63 85543 E Ring 64 87677 Hinge Rod 68 141133 Housing Bracket 141270 Torsion Spring 141271 Hubcap Retainer Clip Wheel Adjusting Bracket Spacer Selector Spring 71 33072 Selector Knob 71__ 33623 Axle Arm Assembly 7133500 Belleville Washer 7133300 7 133201 7133723 71 3...

Page 18: ...REPAIR PARTS CRAFTSMAN 22 ROTARY LAWN MOWER MODEL NUMBER 917 378290 k o 9 7 8 14 15 41 4O 18 14 15 11 10 16 I 13 34 28 7 9 8 13 12 66 ...

Page 19: ...1809 9 52160 Washer 36 702511 10 86960 Nylon Bushing 37 137090 11 88558 Wheel Tire Assembly 38 STD541425 12 12000057 E Ring 40 75192 13 137054 Pinion 41 751810 14 88080 Dust Cover 55 86012 15 88118 Felt Washer 56 851552 16 67725 Washer 1 2 x 1 1 2 x 134 18 87877 Selector Knob 25 702179 Drive Cover Decal Pan Head Tapping Screw 10 24 x 2 3 4 Hex Washer Head Screw 10 24 x 3 4 Drive Cover Hex Flange N...

Page 20: ...CRAFTSMAN 4 CYCLE ENGINE MODEL NUMBER 143 943806 I II III 238 310 2O ...

Page 21: ...linder Head Exhaust Valve Standard Size Exhaust Valve 1 32 Oversize Intake Valve Standard Size Intake Valve 1 32 Oversize All Valves Include Reference 151 Screw 5 16 18x 1 I 2 REF PART NO NO DESCRIPTION 135 35395 150 35991 151 31673 169 27234A 172 32755 178 29752 182 6201 184 26756 185 31384A 186 32653 189 650839 190 35831 191 35040B 192 34966 193 34965 194 32309 195 610973 207 34336 216 33086 223...

Page 22: ...PART NO NO DESCRIPTION 590694 Recoil Starter Complete 1 590599A Spring Pin Includes Reference 4 2 590600 Washer 3 590696 Retainer 4 590601 Washer 5 590697 Brake Spring 6 590698 Starter Dog 7 590699 Dog Spring 8 590700 Pulley Rewind Spring Assembly 11 590695 Starter Housing Assembly 40 Degree Grommet 12 590535 Starter Rope 98 Long 9 64 Dia 13 590701 Starter Handle NOTE All component dimensions give...

Page 23: ...Rear of lawn mower housing blade dragging in grass 3 Grass catcher too full 4 Handle height position not right for you CORRECTION 1 Clean replace air filter 2 Fillfuel tank 3 Drain tank and refill with fresh clean fuel 4 Drain fuel tank and carburetorand refill tank with fresh gasoline 5 Connect wire to plug 6 Replace spark plug 7 Tighten b_ade bolt or replace blade adapter 8 Depress control bar t...

Page 24: ...f the lawn mower housing The model number for your engine will be found on 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 917 378290 ENGINE CRAFTSMAN MODEL NO 143 943806 PART NUMBER PART DESCRIPTION ...

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