Sears 917386121 Lawn Mower User Manual
Contents
1. ENGINE CRAFTSMAN MODEL NO 143 964006 PART NUMBER PART DESCRIPTION Your Sears merchandise has added value when you consider Sears has service units natlonwide staffed with Sears trained technicians professional technicians specifically trained to Insure that we meet our pledge to you we service what we seil 242. STORAGE immediately prepare your lawn mower for storage at the end of the season ar If the unit will not be used for 30 days or more i j LAWN MOWER When lawn mower ls to be stored for a period of time clean it thoroughly remove all dirt grease leaves etc Store in a clean dry area Glean entire lawn mower See CLEANING in the Customer Responsibilities section of this manual Lubricate as shown in the Customer Responsibilities section of this manual Be sure that all nuts bolts screws and pins are securely fastened Inspect moving parts for damage breakage and wear Replace H necessary Touch up all rusted or chipped paint surfaces sand lightly before painting HANDLE See Fig 15 You can fold your lawn mower handle for storage Squeeze the bottom ends of the lower handle toward each other until the lower handle clears the handle bracket then move handle forward Loosen upper handle monning balts enough to allow upper handle to be folded back IMPORTANT WHEN FOLDING THE HANDLE FOR STORAGE OA TRANSPORTATION BE SURE TO FOLD THE HANDLE AS SHOWN OR YOU MAY DAMAGE THE CONTROL CABLES i When setting up your handle from the storage posillon the lower handle will automatically lack Into the mowing position LOWER HANDLE HANDLE BRACKET HAIRPIN COTTER OPERATOR PRESENCE CONTROL BAR UPPER HANDLE FOLD FORWARD i FOR STORAGE f j P FOLD BACKWARD n M
3. TO REMOVE LAWN MOWER FROM CARTON Remove loose parts included with mower Cut down two end comers of cart n and lay end panel down flat l NS Riefnoveallpacking materials except padding between upper and lower handle and paddirig holding operator presence control bar to upper handie Roli lawn mower out of carto and ch ck carton thor oughly for additional loose parts HOW TO SET UP YOUR LAWN MOWER TO UNFOLD HANDLE See Fig 1 IMPORTANT UNFOLD HANDLES CAREFULLY SO AS NOT TO PINCH OR DAMAGE CONTROL CABLES Raise handles until lower handle section locks into place in mowing position Raise upper handle section into place on lower handle remove protective padding and tighten both handle knobs MM i Remove handie padding holding operator presence control bar to upper handle i Your lawn mower handle can be adjusted for your mowing Comfort Refer ta Adjust Handie in the Service and Adjustment section of this manual TO INSTALL ATTACHMENTS See Fig 2 Your lawn mower was shipped ready to be used as a mulcher To convert to bagging or discHarging _ Open rear door and remove mulcher plug Store mulcher plug In a safe place 2 Youcan now install catcher or optlonal clipping deflec lor To return to mulching operaticn Install mulcher plug into discharge opening of mower B sure all tabs are seated properly i ASSEMBLY OPERATOR PRESENCE u
4. Plug See EE Speci fications LEE E Speed Control Engine vete nues Stating the ER S um Stopping the Engine Storage uie nete A ond Trouble Shooting Chant 21 Englne ss Siorage ar e 18 A 18 eN M Warrarlty AA dessese ea nnne d LAWN MOWER ACCESSORIES These accessories were available when this lawn mower was produced They are algo available at most Sears etali cutlets and service centers Most Sears stores can also order repair parts for you when you provide the model number of yourlawn mower Some of these accessories may not apply to your lawn mower LAWN MOWER PERFORMANCE CLIPPING DEFLECTOR FOR REAR DISCHARGE LAWN MOWERS MULCHER KITS STABILIZER GRASS CATCHERS GRASS CATCHERS REAR DISCHARGE SIDE DISCHARGE LAWN MOWERS LAWN MOWERS LAWN MOWER MAINTENANCE SPARK PLUGS BLADES BLADE ADAPTERS WHEELS ENGINE OIL Read these Instructions and this manual in its entirety before you attempt to assemble or operate your new lawr mower Your new lawn mower has bean assembled at the factory with the exception of those parts left unassembled for shipping purposes All parts such as nuts washers bolts etc necessary to complete the ass amp mbly have been placed in the parts bag To ensure safe and proper operation of your lawri mower all parts and hardware you assemble must be tightened securely Use the correct tools as necessary to ensure proper tightness
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6. be hazardous The blada lurns when the engine is running PREPARATION Always thoroughly check the area to be mowed and clear it of all stones sticks wires bones and other forelgn objects These objects will be thrown by tha blade and can causa severe injury Always wear safety glasses or eye shlelds when starting and walle using your mower Dress properly Do not operate mower when barefoot or wearing open sandals Wear only solid shoes with good traction when mowing Check fuel tank before starting engine Do not fill gas tank Indoors when the engine Is running or when the engine Is hat Allow the angine to cool for several minutes before filling the gas tank Clean off any spilled gasoline before starting the engine Always make wheel height adjusiments before starting your mower Never atlempi to do this while the engine Is running Mow only In daylight ar good artificial light OPERATION Keep your eyes and mind on your mower and the area being cut Do not let other Interests distract you fo not mow wel or slippery grass Never run while operating your mower Always ba sure of your footing keep a firm hold onthe handles and walk Donot put hands or feet near 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 graval covered areas Newer direct
7. control tever to fast y position e Hold operator presence contro bar down to the handle and pull starter handle quickly Do not allow starter rope to snap back Tostop engine release operator presence control bar NOTE In cooler weathar It may be necessary to repeat priming steps In warmer weather over priming may cause flooding and engine will not start If you do flood engine wait a few minutes before attempting to start and do not repeat priming steps MOWING TIPS Undercartain conditions such as very tall grass it may be necessary to ralsa 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 raise the rear of the lawn mower housing one 1 wheel adjuster setting higher than the front for better discharge of grass For belter grass bagging and most cutting conditions 2 engine speed should be set In the fast posi on e When using a rear discharge lawn mower In moist heavy grass clumps of cut grass may not enter the grass catcher Reduce ground speed pushing speed and orrunthe lawn mower over the area a second time ifatrallof grass clippingsis left on the right side of a rear discharge lawn mower mow In a clockwise direction with a small overlap to collect the clippings on the next pass SS l g l Keep top of engine around starter clear and clean of gras
8. discharge of material toward bystanders nor allow anyone near the mower while you are operating it Baforecieaning inspecting or repairing your mower stop the engine and make absolutely sure the blade and all moving paris have stopped Then disconnect the spark plug wire and Soe it away from the spark plug to prevent accidental starting Do not continue to run your mower If you hit a foreign object Follow the procedure outlined above then repalr any dam aga before restarling and operating you mower Do nol change the governor sellings or overspaed the engine Engine damage or personat injury may result Dono operate your mower if It vibrates abnormally Exces sive vibration is an indication of damage slop the engine safely check for the cause of vibration and repair as required De not run the engine indoors Exhaust fumes ara ganger ous Naver cut grass by pulling the mower towards you Mow across the face of slopes never up and down or you might Ipse your faoting Do not mow excessively steep slopas Use caution when operating the mower on uneven terrain orwhen changing directions maintain goad footing Never operate your mower without proper guards plates grass catcher or other safety devicas in place MAINTENANCE AND STORAGE Check the blade and the engine mounting bolts often to be sure they ara tightened properly Check all bolts nuls and screws at frequent intervals for proper tightness to
9. easily remedy please contact your nearest Sears Authorized ee CAPACITY e AA Service Genter Department We have competent well M trained technicians and the proper tools to service or repair OIL TYPE API SE SG SAE 30 ABOVE 32 F this lawn mower FOX SAE kat 30 BELOW 32 F Please read and retain this manual The instructions will OIL CAPACITY enable you to assemble and maintain your lawn mower T sf properly Always observe the SAFETY RULES SPARK PLUG CHAMPION JI9LM RJ19LM GAP 030 STD361458 VALVE CLEARANOE INTAKE 008 EXHAUST 008 MODEL NUMBER 917 386121 SOLID STATE IGNITION AIR GAP 6125 IN BLADE BOLT TORQUE 35 40 FT LBS SERIAL NUMBER DATEOF PURCHASE THE MODEL AND SERIAL NUMBERS WILL BE FOUND ON A DECAL ATTACHED TO THE HEAR OF THE LAWN MOWER HOUSING YOU SHOULD RECORD BOTH SERIAL NUMBER AND DATE OF PUFICHASE AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE MAINTENANCE AGREEMENT A Sears Maintenance Agreement Is available on this product Contact your nearest Sears store for details CUSTOMER RESPONSIBILITIES Head and observe the safety rules Follow a regular schedule in maintaining caring for and using your lawn mower e 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 Cr
10. free of all gasoline oll etc e WeDONDT recommend using a garden hase to clean lawn mower unless the electrical system muffier air filter and carburetor are covered to keep water out Water in engine can result in shortened engine fife SERVICE AND ADJUSTMENTS CAUTION BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS Release contral bar Make sure the blade and all moving parts have completely stopped Disconnect spark plug wire from spark plug dnd place where It cannot come In contact with plug LAWN MOWER TO ADJUST CUTTING HEIGHT See TO ADJUST CUTTING HEIGHT In the Operation section of this manual REAR DEFLECTOR The rear deflector attached between the rear wheels of your lawn mower is provided to minimize the possibility that objects will be thrown out the rear of the lawn mower into the operator s mowing position If the rear deflector becomes damaged it should be re placed TO ADJUST HANDLE See Figs 12 Thru 14 Your lawn mower handle can ba raised or lowered for your mowing comfort Four 4 positions are avallable high madium high medium low and low Handles are nd mounted In the medium low position e To change from medium low to medium high fection Ihe upper and lower handle sections will have to ba turned over Sea Fig 12B Remove the cable clips Remove the controls and operator presence control bar fram the upper handie e Remove the starter rope guide Irom the l
11. located on the side of the down to the handle to start the engine Release to stop the engine which allows you to select either last ay or slow engine we engine speed s PRIMER pumps additional fuel from the carburetor to the MULCHER PLUG located at tHe discharge operilng must cylinder for use when starting a cold engine be removed when converting to bagging or discharging operation i STARTER HANDLE used for starting the engine OPERATION _ o MERA YOUR E FORESIEHFIS BETTER PORA ST HOW TO USE YOUR LAWN MOWER ENGINE SPEED CONTROL See Fig 5 The engine speed Is controlled by a fever located on the side af the engine Fast e position Is for starting the engine normal cutting and better grass bagging Slow er position is for light cutting trimming and fueleconamy ENGINE ZONE CONTROL CAUTION Federal regulations require anengine control to be instalfed on this lawn mower in order to minimize the risk of blade cantact injury Do not under any circumstances attempt to defeat the function of the operator con trol The blade turns when the engine is running Your lawn mower Is equipped with an operator pres ence control bar which requires tha operator to be positioned behind the lawn mower handle to start and operate the lawn mower TO ADJUST CUTTING HEIGHT See Fig 6 Raise wheels for low cut and lower wheels for high cut Wheels are set In low cut for shi
12. 2 OS Incl 151 intake Valve Std Incl 151 intake Valve 1 32 OS Incl 151 Screw 5 16 18 x 1 1 2 Resistor Spark Plug RJ19LM Valve Spring 7 Valve Spring Cap 19 MODEL NUMBER 143 964006 HEF PART NO NO DESCRIPTION 189 27234A Valve Cover Gasket 172 32755 Valve Cover 174 30200 Screw 10 24 x 9 16 178 29752 Nut amp Lock Washer 1 4 28 182 6201 Screw 1 4 28 x 7 8 184 26756 Carburetor To Intake Pipe Gasket 185 36544 Intake Pipe 186 34358 Governor Link 189 650839 Screw 1 4 20 x 3 8 191 36559 S E Brake Bracket Incl 195 195 610973 Terminal 200 35727 Control Bracket Incl 202 thru 208 202 36482 Compression Spring 203 31342 Compression Spring 204 650549 Scraw 5 40 x 7 16 205 650777 Screw 8 32 x 21 32 207 34336 Throttle Link 209 30200 Screw 10 24 x 9 16 215 32410 Control Knob 223 B50451 Screw 1 4 20 x 1 224 34690A intake Pipe Gasket 238 680932 Screw 10 32 x 49 64 239 34338 Air Cleaner Gaskel 241 25797 Alr Cleaner Collar 245 35066 Air Cleaner Filter 250 35065 Alr Cleaner Cover 260 36420A Blower Housing 261 30200 Screw 10 24 x 9 16 262 650831 Screw 1 4 20 x 1 2 275 36473 Muffler Incl 277 277 650988 Screw 1 4 20 x 2 5 16 285 35000A Starter Cup 287 650926 Screw 8 32 x 21 84 280 30705 Fuel Line 292 286460 Fuel Line Clamp 298 28763 Screw 10 32 x 35 64 300 342598 Fuel Tank Incl 282 4 301 301 36246 Fuel Ca 308 35647 Cil Fill Tu
13. 4 34515 34516 325388 325488 32549B 28986 28987 28988 20381 30963B 32610A 27241 36726 29914 35261 34311D 36083 27897 305744 30590A 30591 30588A 650488 611004 611112 650815 850816 344434 610118 651007 34861 36437 36474 36471 36472 293148 293150 6021A 35395 35991 31973 DESCRIPTION Cylinder inci 2 7 20 125 169 172 174 owal Pin Breather Element Breather Ass y Incl 6 amp 12A Breather Cover amp Tube Incl 12B Breather Tube Elbow Washer Governor Rod incl 14 Governor Lever Governor Lever Clamp Scraw 8 32 x 5 16 Extension Spring Oil Seal Crankshaft Piston Pin amp Hing Set Std Piston Pin amp Ring Set 010 OS Piston Pin A Ring Set 020 OS Piston amp Pin Ass y Std Incl 43 Piston amp Pin Ass y 010 OS Incl 43 Piston amp Pin Ass y 020 OS incl 43 Ring Set id Ring Set 010 OS Ring Set 020 OS Piston Pin Retaining Ring Connecting Red Ass y incl 46 Connecting Rod Bolt Valve Lifter Camshaft RCR Oil Pump Ass y Mounting Flange Gasket Mounting Flange Inci 72 thru B3 Oil Drain Plug Oil Seal Governor Shaft Washer Governor Gear Ass y Incl 81 Governor Spaol SE Livia x 1 1 4 ywhesl Key Flywheel Belleville Washer Flywheel Nut Solld State ignition Spark Plug Cover Screw Torx T 15 10 24 x 15 16 Ground Wire Cylinder Head Gasket Cylinder Head Exhaust Valve Std Incl 151 Exhaust Valve f 1 3
14. CHANGE NOTE Although multi viscosity oils 5W30 10W30 etc improve starting in cold weather these multi viscosily olls will resuit 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 oll Change the oll after the first two hours of operation and avery 25 hours thereafter or at least once a year if the lawn mower js not used for 25 hours In one year Check the crankcasa oil level before starting the engine and after each five 5 hours of continuous use Tightan oil plug securely each time you check the oll level TO CHANGE ENGINE OIL See Fig 10 NOTE Before tipping lawn mower to drain all drain fuel tank by running engine until fuel tank is empty Disconnect spark plug wire from spark plug and placa wire where it cannot coma In contact wilh spark plug Remove engine oll cap lay aside on a clean surface Tip lawn mower on its side and drain oil into a sultable container Rock lawn mower back and forth to remove any oll trapped inside of engine Wipe off any spilled oil on lawn mower and on side of engine Fillengine with oll EI only to the FULL line on the dipstick DO NOT OVER FILL Replace engine oll cap Reconnect spark plug wire to spark plug AIR FILTER Your engine will not run properly and may be damaged by using a dirty air filter Replace the alr filter every year more often If you mow In va
15. ORTANT BLADE BOLT IS GRADE 8 HEAT TREATED 12 STOMER RESPONSIBILITIES BOLT HARDENED LOCK wean TRAILING EDGE BLADE ADAPTER FIG 9 NOTE We do not recommend sharpening blade but If you do be sure the blade is balanced TO SHARPEN BLADE Care should be taken to keep the blade balanced An unbalanced blade will cause eventual damage to lawn mower or engine 7 The blade can be sharpened with a flle or on a grinding wheel Do not attempt to sharpen while on the mewer Tocheckblade balance drive analiintoabsamorwall Leave about one inch of the straight nail exposed Place center hola of blade over the head of the nali If blade is balanced it should remain in a horizontal position H either end of the blade moves downward sharpen the heavy end until the blade Is balanced GRASS CATCHER The grass catcher may be hosed with water but must be dry when used Check your grass catcher often for damage or deterlo ration Through normal use it will wear if catcher needs replacing raplace only with a manufacturer approved replacement catcher Give the lawn mower model number when ordering lt gt ENGINE LUBRICATION Use only high quality datergent oil rated with API service classification SF or SG Select the oil s SAE viscosity grade according to your expected operating temperature SAE VISCOSITY GRADES ae mot SAE IO TEMPERATURE RANGE ANTICIPATED BEFORE NEXT DIL
16. OWING POSITION Eu wa ENGINE FUEL SYSTEM IMPORTANT 17 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 OH 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 Drainthe fuel tank Start the ngine and let it run until the fuel lines and carburetor ara empty Neveruse engine or carburetor cleaner products inthe fuel tank or permanent damage may occur Use fresh fuel next season NOTE Fuel stabilizer s an acceptable alternative In minimizing the formation of fuel gum depasits during stor age Add stabilizer to gasoline in fuel tank or storage container Always follow Ihe mix ratio found on stabilizer container Run engine al least 10 minutes after adding stabilizer to allow the stabilizer to reach the carburetor Do hot drain the gas tank and carburetor f using fuel stabllizer ENGINE OIL Drain oil with engine warm and replace with clean engine oll See ENGINE in the Customer Responsibilities section of this manual CYLINDER Remove spark plug pb Pour one ounce 29 mi of oil through spark plug hole into cylinder Pull starter handle slowly a few times to distribute oll Replace with ne
17. SEARS e Assembly Operation e Customer Responsibilities Service Adjustments e Repair Parts Caution Read and Follow all Safety Rules and Instructions Before Operating This Equipment 153943 01 22 96 JJ Printed in U S A Sears Roebuck and Co Hoffman Estates IL 60179 U S A SAFETY RULES Safe Operation Practices for Walk Behind Mowers A 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 SAFETY STANDARDS REQUIRE OPERATOR PRESENCE CONTROLS TO MINIMIZE THE RISK OF INJURY YOUR UNIT 1S EQUIPPED WITH SUCH CONTROLS DO NOT ATTEMPT TO DEFEAT THE FUNCTION OF THE OPERATOR PRESENCE CONTROLS UNDER ANY CIRCUMSTANCES TRAINING Read ihis operator s manual carefully Become familar with Ihe controls and know how to operate your mower properly Learn how to quickly stop mower Do not allow children to use your mower Never allow adults io use mower without proper instructions gt Keep the area of operation clear of all persons especially small children and pets Use mower only as the manulaciurer intended and as de scribed in this manual Donat operate mower if it has bean dropped or damaged in any manner Always have damage repalred before using your mower Donotuse accessory attachments that are not recommended by the manufacturer Use of such attachments may
18. aftsman Lawn Mower is maintained lubricated and tuned up according to the operating and maintenance instructions in the owner s manual Sears wili ll repair free of charge any defect in material or workmanship ff ihis Craftsman Lawn Mower Is used for commercial or rental purposes this warranty applies tor only 80 days from the date of purchase This Warranty does not cover Expendable items which become worn during normal use such s rotary mower blades blade adapters belts air cleaners and spark plug Repairs necessary because of operator abuse or negligence including bent crankshafts and the failure to maintain the equipment according to the Instructions contained In the owner s manual WARRANTY SERVICE I8 AVAILABLE BY RETURNING THE CRAFTSMAN POWER MOWER TO THE NEAREST SEARS SERVICE CENTER DEPARTMENT IN THE UNITED STATES THIS WARRANTY APPLIES ONLY WHILE THIS PRODUCT IS IN USE 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 uot OF CONTENTS SAFETY RULES seinieni akin nen PRODUCT SPECIFICATIONS croonesanmnnsenisianecetansaiey I CUSTOMER RESPONSIBILITI ES WARRANTY d ASSEMBLY OPERATION nsenoseneoroerenne MAINTENANCE SCHEDULE n ee B IMAN Con TRA SERVICE AND ADJUSTMENTS dxdoneedevesnasnsacsnennsapseo
19. al Throttle Throttle Shutter Shutter Bere Fuel Fitting Float Bowi Float Shaf Float Figat Bowl O Ring inlet Nee Needle Seat amp Clip net 31 Hp G i 3 B biFietainer Ring Main n Nozzle Tube CH Ring Maln Nozzle Tube High Speed Bowl Nut Bowl Nut Washer W i Plug Atmospheric Vent DESCR IPTION Recoil Starter f Spring Pin in nct 4 Bear Washer Brake Sp ring Bent g Dog Sp pring P lley amp Rewind Spring Ass y Starter Housing Ass y 40 degree grommet Starter Hops 98 X 9 54 dia Zare Handie 4 pr DESCRIPTION Rewind Starter Hetainer pun D6g i E Spring Pul ey amp cM Spring Ass y Starter Housing Ass y 40 degree grommet Starter Rode Length 98 x 9 64 dia taner Handle Locking Tab Dc NOTE 2 component dimensions given in U S inches 1 inch 25 4 mm TROUBLESHOOTING POINTS PROBLEM Does not start Loss of power Poor cut uneven Excessive vibration Starter rape hard to pull Grass catcher not iting If 5o equipped Hard to push CAUSE 1 Dirty alr titer 2 Out of fuel 3 Stata fuel 4 Water in fuel 5 Spark plug wira Is disconnacted Bad spark plug 7 Loose blade or broken blade adapter 8 Control bar In released position 8 Control bar defective 1 Rear of lawn mower housing blade dragging in heavy grass 2 Cutting too much grass 3 Dirty alr filte
20. be 306 34265 O Ring 307 35499 O Ring 309 650562 Screw 10 32 x 1 2 310 35648 Dipstick 319 34080 Spacer 370A 36261 Lubrication Decal 3708 35167 Control Decal r 370K 36695 Starter Decal 380 632744 Carburetor Incl 184 390 590594 Rewind Starter 400 36475 Gasket Set incl tems Marked in Notes 416 38085 Spark Arrestor Kit incl 417 Optional 417 650760 Screw 8 32 x 3 8 Optional RPM High 2900 to 3200 RPM Low 2450 to 2750 NOTE This engine could have been built with 590737 starter Reler to the design of the rope pulley strength tibs for part identification Individual starter parts do not interchange NOTE All component dimensions given in U S inches 1 Inch 25 4 mm j CRAFTSMAN 4 CYCLE ENGINE _ 20 REF PART NO NO 632744 i 631615 2 631767 4 631184 5 631183 6 632504 7 650505 18 631775 25 631867 27 631024 28 632019 29 631028 30 631021 31 631022 35 36045 36 632745 37 632547 40 632746 44 27110 48 631027 REF PART NO NO 590694 590599A 590500 590696 590601 590697 590698 590699 590700 590695 12 590535 13 590701 e CO rd OR Gt IQ AD we REF PART NO NO 590737 590740 590616 590617 590618A 590687A 12 590535 13 590701 14 590741 ch sch COND ED CO NUMBER 143 964006 DESCRIPTION Carburalor gt in 184 of Englne Parts i hroitla Shaft amp Laver Assembly Throttle Retum Spring Dust Seal Washer Dust Se
21. be sure mower Is in sate working condi tion Keep all safety devices In place and working Toreduce fire hazard keep the engine rea of grass leaves or excessive grease and oil Check grass catcher often for deterloration and wear and teplace worn bags Use only replacement bags that are recommended by and comply with specificalions of the manufacturer of your mowar Always keep a sharp blade on your mower Allow engine to cool before storing In any enclosure Nevar store mower with fuel in the tank Inside a bullding where lumes may reach an open flame or an ignition source such as a hot water heater space heater clothes dryer etc Look for this symbol to point out im portant safety precautions It means CAUTIONIII BECOME ALERTIII YOUR SAFETY IS INVOLVED CAUTION Always disconnect spark plug wire and place wira where it can not contact spark plug in order to pre vent accidental starting when setting up transporting adjusting or making repairs A WARNING A The engine exhaust from this product con tains chemicals known to the State of Califor nia to cause cancer birth defects or other reproductive harm CONGRATULATIONS on your purchase of a Sears Lawn PRODUCT SPECI FICATIONS Mower it has been designed engineered and manufac tured to give you the best possible dependability and HORSEPOWER S performance DISPLACEMENT 11 5 CU IN Should you experience any problem you cannot
22. e blada Tighten blade bolt Contact an authorized service canter department Daptess control bar to upper handle before pulling starter rope Contact an authorized service center dopariment Replace blade adapter Mave lawn mower to cut grass or lo hard surface to start engine Ralsa cutting height Replace blado Clean grass catcher Contact an authorized service center department Raise culling height Raise rear of lawn mower housing one 1 setiing higher Empty grass catcher Adjust handle height to suit SERVICE NOTES 22 SERVICE NOTES 23 SEARS OWNER S MANUAL MODEL NO 917 386121 IF YOU NEED REPAIR SERVICE OR PARTS FOR REPAIR SERVICE CALL THIS TOLL FREE NUMBER 1 800 4 REPAIR 1 800 473 7247 FOR REPLACEMENT PARTS INFORMATION AND ORDERING CALL THIS TOLL FREE NUMBER 1 800 FON PART 1 800 356 7278 4 0 HORSEPOWER 20 REAR DISCHARGE ROTARY LAWN MOWER Each lawn mower has its own mode number Each en gine has its own modal number The model number for your lawn mower will be found on a decal attached to the rear of 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 Depariment and most Retail Stores f WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION e PRODUCT LAWN MOWER MODEL NUMBER 917 386121
23. jects and other hazards that may cause tire damage BLADE CARE For best results mowarblade must be keptsharp Replace bent or damaged blades 3 TO REMOVE BLADE See Fig 9 Disconnect spark plug wire fram spark plug and place wire where it cannot come In contact with spark plug e Tum lawn mower on its side Make sure air filter and carburetor are up Usea wood block between blade and mower housing lo prevent blade from turning when removing blade ol Protect your hands with gloves and or wrap blade with heavy cloth Remove blade bolt by turning counter clackwise Use a 9 16 box or open and wrench Remove blade and attaching hardware bolt look washer and hardened washer _ NOTE Remove the blade adapter and check the key inside hub of blade adapter The key must ba In good condition to work properly Replace adaptat if damaged TO REPLACE BLADE See Fig 9 Position the blade adapter on the engine crankshaft Es sure key in adapter and keyway In crankshall ata aligned Position blade on the blade adapter aligning the two 2 holes in the blade with the raised lugs on the adapter Be sure the tralling edge Is up toward tha engine Install the blade bolt withthe lock washer and hardened washer into blade adapter and crankshaft Use block of wood between blade and lawn mower housing and tighten the blade bolt turning clockwise The recommended tightening torque is 35 40 ft Ibs IMP
24. l CONTROL BAR M UPPER HANDLE FiG 2 CAUTION Do notrunyour fawn mower without mulcher plug in place or ap amp proved clipping deflector or grass catcher in place Never attempt to op erate the lawn mower with the rear door removed or propped open TO ASSEMBLE AND ATTACH GRASS CATCHER See Figs 3A thru 4 insert leg of tubular frame through front pening of _ grass catcher and thread frame into sewn hem of bag NOTE Keep bag hem gathered on the straight leg of the tubular frame When frame comes out the other end of sewn hem immediately work the end of frame down inside the hag as shown In Inset i Slide sewn hem evenly around the tubular frame until hoth ends of frame are exposed out of the front open ng Assemble lower frame to tubular frame as shown Be sure handle is outside of bag and frames are fully seated as shown in inset Slip vinyl bindings over frame NOTE H vinyl bindings are too stiff hold them In warm water for a few minutes H bag gets wet let It dry before using Close the filplid Flip fid must be closed while operat ing lawn mower Lifithe rear door on the mower housing and place the grass catcher frame onto the formed tabs on the rear door hinge bracket The grass catcher is secured to the lawn mower housing when the rear door is lowered onto the grass catcher frame CAUTION Do not run your lawn mower without clipping detiecto
25. ower handle Remove hairpin cotters Disconnect the lower handle from the handle brackets See Fig 14 Tum the handle over and reassemble the hairpin cotiers that have been removed Reassemble the starter rope guide Reassembls the controls and the aparator presence control bar to the upper handle CAUTION The operator presence con trol bar mustplvotfreelyto permitblade brake engagement when control bar is released Do not over tighten the fas teners holding the controls to the um per handle mE Tochange from medium low to high position only the upper handle section will have to be turned over See lg 13A To change from medium low to tow position only the a Jande section will haye to be EES over See 9 1 e ENGINE CARBURETOR Your carburetor has a non adjustable fixed main jet for mixture control H your engine does not operate properly due to suspected carburetor problems take your lawn mower to an authorized service center for repalr ar adjust ment 14 SHIPPING POSITION MEDIUM LOW FIG 12A d FIG 13A SQUEEZE EN TO REMOVE DEM HANDLE BRACKET HAIRPIN CLIP FIG 14 ENGINE SPEED Your engine speed has been factory set Do not attampt to increase engine speed or it may result in personal Injury if you believe thal the engine Is running too fastor too slow take your lawn mower te an authorized service center for repair and adjustment
26. pping Adjust cutting height to suit your requirements Medium position is best for most lawns To change cutting height squeeze adjuster lever to ward wheel Move wheel up or down to suit your requirements Be sure all wheels are in the same setting TO EMPTY GRASS CATCHER See Fig 7 Lift up on grass catcher using the frame handle Remove grass catcher with clippings from under lawn mower handle Empty cli pings from bag using both frame handle and bag handle NOTE Do not drag the bag when emptying it will cause unnecessary wear BEFORE STARTING ENGINE OIL Your lawn mower is shipped without oll in the engine Be sure mower is level and area around oll fill is clean Remove engine oil cap w dipstick and fill to the full fine on the dipstick Use 20 ozs of oll For type and grade of oll to use see ENGINES in Customer Responsibilities section of this manual Pouroll slowly Do not over fill The operation of any lawn mower can result irforelgn objects thrown Into the eyes which can result in severe eye damage Always wear safety glasses or eye shields while operating your lawn mower or performing any adjustments or repairs We recommend a wide vision safety mask over the spectacles or standard safety glasses ri ENGINE SPEED CONTROL LEVER SS FOR HIGH CUT RAISE WHEELS FOR LOW CUT FIG 7 Check dillev l before each use Add oll if needed Fill to full fine on di
27. pstick l To read proper level tighten engine oil cap each time Relnstall engine oll cap and tighten Alter tha first two 2 hours of mowing change the o and every 25 hours thereafter You may need to change theall more often under dusty dirty conditions OPER A GAS Fil fuel tank Use fresh clean regular unleaded gasoline with a minimum of 87 octane Use of leaded gasoline will increase carbon and lead oxide deposits and reduce valve life Do not mix oil with gasoline Purchase fuel In quantities that can be used within 30 days to assure fuel freshness l WARNING Experlence indicates that alcohol blended fuels called gasohol or using ethanol or methanol can attract molsture which leads to separation and formation ol acids during storage Acidic gas can damage the fuel system of an engine while in storage To avoid engine problems the fuel system should be emptied before stor age of 30 days or longer Drain the fuel tank start the engine and let it run until fuel lines and carburetor are empty Use fresh fuel next season See Storage Instruc tions for additional Information Never use engine or carburetor cleaner products in fuel tank or permanent damage may occur TO START ENGINE To start a cold engine push primer five 5 times before trying to start Use a firm push This step Is not usually necessary when starting an engine which has already run for afew minutes Push engine speed
28. r 4 Buildup of grass taaves and trash under mower 5 Too much oil in engine 6 Walking spaad too fast 1 Wor bent or looss blade 2 Wheel helghis uneven 3 Low engins spead 4 Buildup of grass leaves and trash undar mower 1 Wom bent or loose blade 2 Bent engine crankshaft t Engine tlywheet brake is on when control bar Is released 2 Bent angina crankshalt 3 Blade adapter broken 4 Blade dragging in grass 1 Cutting height too low 2 Litt on blade warn oit 3 Catcher nat venting air d Low engine speed t Grass Is too high or wheel height Is too low 2 ear of lawn mower housing blade dragging in grass 3 Grasa catcher too fuli d Handle height position not right for you 21 CORRECTION non aop mjn 0ow59 immsom E 2ow fire ET Clean replace alr filter Fill fuel tank Drain tank and refill with fresh clean fuel Draln fuel tank and carburetor and refill tank with fresh gasolina Connect wira to plug Replace spark plug Tighten blade bolt or raplace blade adapter Depress control bar ta handia Replaca control bar Set in Higher Cut position Set in Higher Cut pasition Claan replace alr far Clean undersida of mower housing Check oll level g Cut at slower walking speed Replace blade Tighten biada bolt Set all wheels at same height Contact an authorized service center dapartment Clean underside of mower housing Replac
29. r or approved grass catcher in place Never attempt ta operate the lawn mower with the rear door removed or propped open FLIP LID _ SEWN HEM FIG 3A ASSEMBLY LOWER FRAME Frames must be fully seated El Ke AA TUBULAR Ge FRAME na REAR DOOR KNOW YOUR LAWN MOWER rid READ TH S OWNER S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR LAWN MOWER Compare the Wlustrations with your lawn mower to familiarize yourself with the location of various controls and adjustments Save this manual for future reference Ze f These symbols may appear on your lawn mower or In literature supplied with the product Learn and understand thelr meaning E EM 2 f Er CAUTION ENGINE ENGINE FAST SLOW CHOKE FUEL Ol DANGER KEEF HANDS OR WARNING ON OFF i 7 AND FEET AWAY OPERATOR PRESENCE CONTROL BAR ENGINE ZONE CONTROL CABLE STARTER HANDLE HANDLE KNOB GRASS CATCHER w y PRIMER l ENGINE SPEED CONTROL LEVER AIR FILTER MULCHER PLUG ENGINE Oll CAP WITH DIPSTICK WHEEL ADJUSTER ON EACH WHEEL 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 Commission The blade turns when the engine Is r hning OPERATOR PRESENCE CONTROL BAR must be held ENGINE SPEED CONTROL
30. ry dusty dirty conditions Do not wash alr filter TO CHANGE AIR FILTER See Fig 11 Remove the airfitercover byturning counterclockwise to the Stop and pull away from collar Remove fitter from Inside of cover e Clean the Inside of the cover and the collar to remove any dirt accumulation insert new filter Into cover Put air filter cover and filter into collar aligning the tab with the slot Push In on cover and turn clockwise to tighten JSTOMER RESPONSIBILITIES CONTAINER COLLAR TURN COUNTER CLOCKWISE TO REMOVE R FILTER COVER TO TIGHTEN FIG 11 MUFFLER Inspect and replace corroded muftler as it could create a fire hazard and or damage SPARK PLUG Change your spark plug each year to make your engine start easter and runbetter Set spark plug gap at 030 inch CLEANING IMPORTANT FOR BEST PERFORMANCE KEEP MOWER HOUSING FREE OF BUILT UP GHASS AND TRASH CLEAN UNDERSIDE OF MOWER HOUSING AFTER EACH USE gt gt CAUTION Disconnect spark plug wire fromspark plug and place wire where it t nnot come In contact with the spark ROS plug WW 5 Turn lawn mower on its side Make sure air filter and carburetor are up Clean the underside of your lawn eet by scraping to remove bulld up of grass and rasn S Clean engina oftento keep trash from EEE A clogged engine runs hotter and shortens engine life Se finished surfaces and wheels
31. s clippings and chaff This will help engine alr flaw and extend engine life 10 TION 7 Poresinclothgrasscatchers can become filled with dirt and dust with use and catchers will collect less grass To prevent this regularly hose catchers off wilh water and let dry before using T E jig MULCHING MOWING TIPS IMPORTANT FOR BEST PERFORMANCE KEEP MOWER HOUSING FREE OF BUILT UP GRASS AND TRASH CLEAN UNDERSIDE OF MOWER HOUSING AFTER EACH USE SEE CLEANING IN CUSTOMER RESPONSIBILITIES SECTION OF THIS MANUAL The special mulching blade will recut the grass clip pings many times and reduce them in size so that as they fall anto the lawn they will disperse into the grass and not be noticed Also the mulched grass will blodegrade quickly to provide nutrierits for the lawn Always muleh with your highest engine blade speed Is will provide the best recutting action of the adas i Ayold cutting your lawn when it ls wet Wet grass tends to form clumps and interferes with the mulching action The best time to mow your lawn is the early afternoon At this time the grass has dried and the newly cut area will not be exposed to the direct sun e For best results adjust tha lawn mower cutting height so that tha lawn mower cuts off only the top one third of the grass blades See Fig 8 1 the lawn Is overgrown it will be necessary to raise the heightofcut to reduce pushing effort and to keep from overloading
32. sandy soll 4 Charge 48 hours at end of season GENERAL RECOMMENDATIONS The warranty on this lawn mower does not cover items that have been subjected to operator abuse or negligence To receive lull 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 tha spark plug replace air fliter element and check blade for wear new spark plug and clean new alr filter element assures proper alr tuel O BRAKE En ue and helps your engine run better and last BRACKET Follow the malntenance schedule in this manual ENGINE Ol S REAR BEFORE EACH USE Onano araoe O DOOR Check engine oil level Check for loose fasteners SPRAY LUBRICANT SAE30 MOTOROIL REFER TOENGINE CUSTOMER RESPON LUBRICATION SIBILITIES SECTION Keep unit well lubricated Ses LUBRICATION CHART IMPORTANT DO NOT OIL OR GREASE PLASTIC WHEEL THE SELF LUBRICATING BEARINGS IF YOU FEEL THEY MUST BE LUBRICATED USE ONLY A DRY POWDERED GRAPHITE TYPE LUBRICANT SPARINGLY 11 CU LAWN MOWER Always observe safely rules when performing any malnte nance i TIRES 7 Keap tires ree of gasoline oll or insect control chami cals which can harm rubber Avoid stumps stones deep ruts sharp ob
33. the engine and leaving clumps of mulched cer For extremely heavy mulching reduce your width of cut mow slowly and rals the fear of the lawn mower one wheel adjuster selting higher thari the front Certain types of grass ahd grass conditions may re quire that an area be muiched a second time to completely hide the clippings Wh n doing a second cut mow across or perpendicular to the first cut path Change your cutting pattern from w ek to week Mow north to south one Week then change to east to west the next week This will help prevent matting and graining of the lawn i WP CUSTOMER RESPONSIBILITIES MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE Check for Loose Fasteners _ TEE EM rer MA Grass Catcher H Equipped Clean Lawn Mower EIFE RI Ez E de mm I ot Self Propelled Mowers Y Chach Sharpen Replace Blade va 3 L LL vL dvi EB HN Ere LI LaL Electric Start E 2 E vier pe ee Im CO EE change Enge 197 ial LI Clean Air Filter pas IN BENE E inspect Muffler I Iv Clean or Replace Spark Plug iw al u LUBRICATION CHART BER WHEEL Replace Air Filter Paper Cartridge Ee ADJUSTER 1 Change more often when operating under a kenger load or in high ambient temperatures 2 Service more often when operating In dirty or dusty conditlons 3 Replace blades more often when mowing In
34. ve TA STORAGE reene ebben S18 TROUBLESHOOTING i eterna 21 REPAIR PARTS LAWN MOWER un 16 17 REPAIR PARTS ENGINE ii en 18 20 PARTS ORDERING SERVICE C BA INDEX ACCESSOFBS ee rnn tanannenenanr aa DD Adjustments Carburetor Engine Speed Handle Height e Helght of Cut nees Air Filtar Assemhly Leere B Blade Sharpening Replacement Be Controls f Engine Zone Control H Engine Speed Control 8 Operator Presence Control Bar 8 Customer Fiesponsibllilies A 11 18 Alr Eier Lise 13 Blade Caro Replacement saucia Engine nd Lubrication Spark Plug Cutting Levels mc Englne Air Filter essere 18 Oil Change Oll Level Oil Type Starting Stopping Storage cn Fuel Capacity Storage u Type Handle Adjustment ASSBITIDIY Lesser B Cutting Height seus L Lubricatioh Engine ssi idi Lawn MOWED unn 11 M i Maintenance Agreement 8 Maintenance Schedule 19 Mowing Tips ua TO s Oil Service and Adjustments idis Operation _ Engine Controt leeren Grass Catcher Mower Operator Presence Control Bar Options 3 Accessories TS 9 R Repair Paris Engine esce 18 20 Lawn Mower sen 16717 Responsibilities Customer 3 11 13 S Safety Dutes ease Carburetor CIEN Engine Speed Handle 1 Spark
35. w spark plug OTHER Do hot store gasoline from one season to another Replace your gasoline can H your can starts to rust Rust and or dirt in your gasoline will cause problems fpossible store your unit indoors and cover it to give protection from dust and dirt Cover your unit with a suitable protective cover that does not retain moisture Do not use plastic Plastic cannot breathe which allows condensation to form and will causa your unit to rust IMPORTANT NEVER COVER MOWER WHILE ENGINE AND EXHAUST AREAS ARE STILL WARM CAUTION Never store the lawn mower with gasoline In the tank inside a build ing where fumes may reach an open i flame or spark Allow the engine to 3 cool before storing In any enclosure REPAIR PARTS ROTARY LAWN MOWER MODEL NO 917 386121 16 Jo JAMON gece TZ qouy Jojoares 21818 SE pias png Alpe 12 JAY dog Sibezi ye zo 02 NO MOE avs DOE TZ jssedg OESgbL Jdezutgeig jen coses TZ jeyoeig Dunsn pv jssum ZOOXSZEODL ZE 188 gz ueg sex edgce TZ PIE X 81 01 8 MAINS 82005 IE Wal aa ESIEC TZ m Aquiassy jayowg au BLPXLISLSL 6z Jopayeq Buddy eoese TZ ue1 Aiquisssy jeyomig ejpue GZPXZLGLGL 82 HOMOU UME UUM Depp jou sauossaoop 31081 uewe i o IOPSYSC ead s90 t D apeg gea GZpXGZ8bvL Ge Jenueyy Sou EPGESL SEG SPIS BLFXEIEOOZ pZ BWLI Boya Lrittl 6S P L E X 03 971 malos abu Senge EZ 80096 rL ON SPOJN ueWwsyeig sudug PELISL es SEE IBS 6LpXE9000L
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