Sears 917386121 Users Manual
917386121 917386121 CRAFTSMAN ROTARY LAWN MOWER - Manuals and Guides L0710617 View the owners manual for your CRAFTSMAN ROTARY LAWN MOWER #917386121. Home:Lawn & Garden Parts:Craftsman Parts:Craftsman ROTARY LAWN MOWER Manual
CRAFTSMAN Walk Behind Lawnmower, Gas Manual L0710617 CRAFTSMAN Walk Behind Lawnmower, Gas Owner's Manual, CRAFTSMAN Walk Behind Lawnmower, Gas installation guides
917386121 to the manual 7b309508-96c1-4355-8ba1-5e580b4ce983
2015-02-05
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I:RRFTgMRNo MODEL NUMBER 917.386121 OWNER'S MANUAL • Assembly ° Operation • Customer Responsibilities • Service ° Adjustments o 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 IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIII IIIIIIIIIIIHIIIIIIIIIIIIIIIIIIIII I IIIIIIIII IIIIIIIIII III1!111'1 I I I IIIIIII II IIIIIIIIIIIII II SAFETY 4_lb RULES Safe Operation Practices for Walk-Behind Mowers IMPORTANT: THIS CUTTING MACHINE iS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING OBJECTS, FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT tN SERIOUS INJURY OR DEATH, SAFETY STANDARDS REQUIRE OPERATOR PRESENCE CONTROLS TO MINIMIZE THE RISK OF INJURY. YOUR UNIT IS 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 carafully Become familiarwtth theoonlrolsand know how to operate your mswer properly. Learn how to quickly stop mower • , Do not atlow chltdrento use your mower Never allowadMitS to use mower without proper fnslruclisns • ,, Keep the area o! opera!ion clear of el! persons, especially small children and pets Do not conllnueto run your mowerif you hita foreignobject Follow the procedure outfinadabove, then repair any damage befora rostad_ng and operatingyou mower_ Do nol change the governor setUngs or overspend the engine Enginedamage or personal fn}ury may result • Do not operate your mowerif it vibrates abnormally Exsessive vibration is an indicationof damage; stop Ihe engine, safefy checkfor the cause ofvibrationand repair as required Do not tun the engtne indoors • Use mower only as the manulacturer intended and as de. scribed in this manuel • ,, Do not operate mower if it has been droppedor damaged in any manner Always have damage repaired before using • Never cut grass by pulIingthe mower towards you Mow acrossthe face of slopes, never up and down or you might ioseyourfaettng. Donolmowexcessivalysteepslopss Uae cautionwhenoperatingthe mower onuneven terrainorwhen changingdirections- maintain good footing • Never operate your mower without proper guards, plates, grass catcher or other safety devices In place your mower • Donotuseaccessoryettachmenlsthalarenotracommended by the manuiacturar Use of such attachments may be hazardous • The blade lures when the angina ts running PREPARATION: MAINTENANCE . • Always thor sughly checkthe areato be mowed and oleaMtof all stsnes, sticks, wires, bones, and other foreign objects, These ob}ecls wi!l be thrown by Ihe blade and can cause severe injury Always wear safety glasses or eye shields when starting and whileusing your mower. Dress properly, Do not operate mower when barelool or wearing open sandals Wear only solid shoes wlth good tracllon when mowing ChecI. ..... • • 9 • Starting 10 Options:; Stopplng ............................................... 10 Accessodes .;, ,°. ............ 5 Storage, .....................................:, 15 a F Repair Pads: : Fuel: Engine Capacity ............................................. ;.. 3 Lawn Mower ;.,;..,...;............. 16-17 Storage ,,.._ ................_........._...... 15 Respei'isibllities, Customer., 3, 1 !-13 Type ......: 9 ............................................ ................ B Blade: Sharpening t2 Replacement......;,_.: ........,,........t2 :,,1...; ............ 18"20 .......................................... ..................................... C H Handle Adjustment: Assembly. .........................._........6 Cutting Height ........................ 14 S Safety Rules., ..................... _.o: ................ 2 Serviqe:and Adjustments _:._;,, ,,.:..... ! 4 Controls: Ca_uretor o,o,(.;'o ....................... t4 Engine Zone Coqtrol ................. 9 ,Eng!ne Speei:l o,°. .........................14 Engine Speed Control .............. 8 Hart'die ;,:........ :,o,,:,J................... t4 L Operate[ Presence ,_ Lubdeatfoh: Spark Plug.:;.....- ............._..,.;............... t3 Control Bar ........................ .o,o_...B Engine .................... _.................. 13 Spaclflcat!0na _;;........:.......................... :.,,. 3 Customer Responsibilities ,.. 3, 1t -t3 Law n Mower .--._ ...................... 11 SpeedCaStrOh :, Air Ftffer .........................:.LoJ..... t_3 Engii_e ..,._;.:;;,o;,,.o.;....................... :f4 M Blade CaxotReplaceh_ent.:..,.o !2 Siaillhg tile Er_glne ...... -........... ;:,..,:. 10 Engtr_e............... _.......... ,.......... :. I3 _, Maintenance Agreement ..,,,:................. 3 Lubrication. ................... ;o t3 Sio.ppln_ ihe Engtne r.°:,,,..,,: ...........r" io Spark Plug ...... :,.........::..,..:.:.:, t3 : Maintenance Schedule.,,,,; .................... 1_ Cutting Levels ................................. 9 Mowing Tips ......... ..............................10 T O 011: TroubleShoollflg Chart o-.., ........... 21 Engine .............. ,.,,,o._ .................................. 13 W Sloraga .............................................. 15 ....... LAWN MOWER ACCESSORIES These accessories were ava abe when ths awn mower was produeed_ Theyare _i_6_v_liable at,most Sears tetal!outlets and service centers, Most Sears stores can a so order repa rpads foryou whe n YOUpray de the model number of yourlawn mower, SOme oi these accessories may not apply to y0ur lawn mower, ' LAWN MOWER PERFORMANCE CLIPPING DEFLECTOR FOR REAR DISCHARGE LAWN MOWERS GRASS CATCHERS FOR REAR DISCHARGE LAWN MOWERS MULCHER KITS STABILIZER i FOR SiDE DISCHARGE GRASS' LAWN CATCHERS MOWER S _t GAS CANS LAWN MOWER. MAINTENANCE AIR FILTERS MUFFLERS BELTS 111111 ,1111,111 BLADES BLADE ADAPTERS i WHEELS 1,,1 SPARK pLUGS •ENGNEolk ........ H • ii i HHHIHHIIIII I N I I ASSEMBLY : Read these Inst_ct_ons ant! thts manual tn its entirety before you attempt to assemble or operate your new lawn mower. Your new lawn mower has been assen_bled at the factory with the exception of those pads left unassembfed for shipping purposes. All parts such as nuts. washers, boils, etc, necessary to complete the assembly have been placed {n the parts bag To ensure sate end proper operation of your tawd mower, all parts and hardware you assemble must be {ightened securely ;Use tbe correct tools as necessary to ensure proper t gh!ness TO REMOVE LAWN MOWER OPERATORPRESENCE COHTROLBAR UPPER HANDLE LI_ UP FROM CARTON • Re_0ve • Cui down two end corners of cartOn and lay end pane down flat_ loose parts included with mower • Removeaflpackingmelerialsexceptpaddin_jbetweeh upper and lower handle and padding holding operator presence control bar to upper handle . Ro_ fawn mower out of Cartoh and ch_ck Carton thor. oughly for additional loose patter LOWERHANDLE, FIG_I HOWTO SET UPYOUR LAWN MOWER TO UNFOLD HANDLE (see Fig, f1)' IMPORTANT: UNFOLD HANDLES CAREFULLY SO _.S NOT TO PINCH OR DAMAGE CONTROL CABLES " Raise handles until lower handle section locks into pfa_e in moWing pesition • Raise upper handle secUon into place on lower handle, remove protective padd ng and t ghtbn both hand e knobs • Remove handle paddtng hoiding 01_erator presence con{Pot bar to Upper handle • Your lawn mower handle can be adlusted for your m0wtng comfort Refei tc_ =Adjust Randie _ in the Service and Ad.tustmenl ,section of this manual TO INSTALL ATTACHMENTS, (See Fig. 2) '(our lawn mower was shipped ready 'to be i]sed as a mulcher To convert to bagging or discilarg[ng: • Open rear door and remove mulcher plug In a safe place mulcher pEug, Store • _You can now Lnstafl catcher or optional ciiPp_:ngdeflectore • To return to mulching operation, install mulcher plug into discharge ol_ening of mower Be sure aft tabs are seated propedy MULCHERPLUG FtG_2 CAUTION: Do not run your lawn mower proved ,clipping deflector,or grass. catcher place. plug Ne_/erinattempt to opwfthout In mulcher plaoe or aperate the learn mowerwffh the Pear door removed or propped Open. ASSEMBLY i rill iiiii ,,ll,ll lllll i TO ASSEMBLE AND ATTACH GRASS CATCHER (See Figs, 3A thru 4) LowER • insert leg of tubular frame through trent Opening of glass catcher and thread frame Into sewn hem of bag.. NOTE:. Keep bag hem gathered on he straight leg of the tubular frame. • When frame comes out the other end of sewn hem, immediately work the end of frame down Instde the bag as Shown in InseL • Stile sewn hem evenly around the tubular frame until both ends of frame are exposed out of the front opentng,, Assemble Iower frame to tubular frame as shown. Be sure handle is outside of bag and frames are fully seated as shown in Inset. • • (Frams_ must TUBULAR ! ' FiG, 3B LOWERFRAMEHANDLE Slip viny_ bindings over frame. NOTE: tf vinyl bindings are too st}if, hold them in warm water for a few minutes, if bag gets wet, let It dry before using,, • Closet_efllpiid lawn mower • Lift the rear door on the mower housing and place the grass catcher lrame onto the formed tabs oh the rear door hinge bracket, • The grass catcher is secured to the lawn mower housing when the rear door {s lowered onto the grass catcher Irame. "-_. FlipIidmustbeclosedwhfteoperating . cAuTION: Do not runyourlawn mower without clipping deflector or approved grass catcher in placer Never attempt to operate the lawn mower with the rear door removed or proppe d open. : FIG. 3C BRACKET GRASS CATCHER FRAME FORMED TABS FIG. 4 SEWN HE_ FLIP LID FIG. 3A 7 OPERATION KNOW YOUR LAWN MOWER READ THiS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR f_NN MOWER; Compare the illustrations with yoLJt lawnmower to familiarize yourseif with the Ioeatton of various controls and_adjOstments, Save this manual !or future reference,, , . ...... These symbols their meaning. may appear on your lawn mower or in literature supped wlth the pr0dudL Lba_rnand understand .... " ' ' ' ' CAUTION ENGINE ORWARNING., ON ENGINE ' OFF ! FAST SLOW CHOKE FUEL O_tr ,DANGER;KEEN HANDS _. AND FEET AWAY •. GASOLINE FJLLER dAB MULCHERPLUG ENG|NE OIL CAP "WRU D_PST!CK LAWN:MOWERHOUSING MEETS CPSC SAFETY REQUIREMENTS. Sears rotary walk-behind power fawn mowers conform to the safety standards of lhe American'National and the U,S. Consumer Product Safety Cdmmfssian° The blade turns when the engine ts.i_nn}ng_ ......... i , , OPERATOR " ' PREsENcE ' CONTROL BAR - must be held down t0 the hahdfe to start the englne, englne• Reiease to stopthe PRIMER - pumps addillonal fuel from the carburetor to the cylinder tor use when starting a cold engine STARTER HANDLE - used for stad}ng the engine. ,J ,,, i ,,,,,,,,, ,,,,,, ,,,,, ,,, i, ,11 ' Standards Institute ' ENGINE SPEED CONTROL - locatedon the stde of the engine which allows you to select e!lher re.st (_) (.,_h) engine speed, or Blow MULCHER PLUG - located at tlie discharge,opeding must be removed when converting to bagging ordtscharglng operation, OPERATION = i Th awnmowe ope atonofa wh,c c ny result in severe aye damager Always wear safety glasses or eye sh aids whe operat ng your lawn mower or performing any adjustments or repairs. We recommend a wide vision §afety mask over the spectacles or standard safety glasses, ' :; ........... " HOW TO USE YOUR LAWN MOWER ENGINE SPEED CONTROL (See Fig. 5) The engine speed Is controlled by a lever toceled on the Side of the engine, Fast (,t_) posllion ts for starting the engine, normal cutting, and better grass bagging S!ow (.0=,) POSition is forllghi cuffing, trimming and fuel economy, OO!'_ROLLEVE_ _' ENGINE ZONE CONTROL CAUTION: Federal regulations iequlre an engine control to be installed on this lawn mower in order to minimize the risk of blade contact injury, Do not under any circumstances attempt to defeat the function of the operator con* troI.The blade turns when the engine is running. • J'_ PRIMER . . '_ :" FIG, 5 LOWERWHEELS FOR HIGHcLrr Your lawn mower Is equipped with an operator presonce control bar which requires the operator to be positioned behind the lawn mower handle to start and _ _" _ operate the ,own mower,r • • .,._' _.._.__._._,,.,i TO ADJUST CUTFING HEIGHT (See Fig. 6) ,, RAISEWHEELS FOR LOWCUT _r ,_r, Wheels are set In low cut for shtppfng, AdjuSt cultlng height to suit your requirements Medium pos_tlon is best for most lawns Raisewheelsforlowculandlowerwheeisforhlghcut, ' _ _- ___ To change Cutting height, squeeze adjuster lever toWard wheel Move wheef up or down to suit your requirements Be sure all wheels are tn the same setting FIG. 6 TO EMPTY GRASS CATCHER (See Fig, 7) • • Lift up on grass calcher using Ihe fiame handle, Empty clippings from bag uslng both lrame handre and bag handle. NOTE: Do not drag the bag when emptying unnecessary BEFORE' wearo _ STARTING : • t "_" it will cause _i-_.:-" ENGINE OIL Your lawn mower " • • • Is sh_pped without oil in the engine, , _ F!G; 7 Besuramoweristevelandareaaroundotiti]_isclean, Remove engine oil cap w/dipstick and fill to the fuji line • Checkbil_ievelbefor_eachuse_ to full tire on dips!tck. on the dipstick • To read proper leve]i _ighten engine oil cap each tithe Use2Oozs_of oil. Fortypeandgradeofoiltouse,see "ENGINE" In Customer Responstbitiltes section of this manual, . Retnstaltenglneoflcapandtighten ' • After the ttrst two (2) hours of m0wtng, change the oit, and every 25 hours thereafter, You may need to changetheotlmorebftenunderdusty, dirtycohdltions Pour otl slowly, • Do not over tll! 9 Addolltfneeded. Fill r I _ : OPERATION GAS ,, Fill fuel tank. Use fresh, clean, regular unteaded gesdiine With a minimum of 87 octan& (Use of leaded gasoline Wit ncreaee carbon and lead oxide deposits and reduce valve life),, Do not mix oil with gasoline. Purchase fuel Fnquantities that can be used w thin 30 days tO assure flJel freshness. ", WARNING: Experience indicates that alcohol blended fuels (called gasohel or using ethanol or methanol) can attract moisture which Jeads to separation and format!on ot acids during storage. Acidic gas can damage the fuel system of an erigtne while in storage. T_oavoid engine problems, the ,fUel system should be emptied before storage of 30 days o1: longer. Drain 'th e fue! tank, start the engine and et itrun 'unit fuel nes and carburetor are empty. Use fresh fuel next season. Sea Storagei!nstruclions for additional information, Never use engine or carburetor cleaner products tn fue_ tank or permanent damage may occur. I • TO START ENGINE • To start a cold engine push pdmer_t_e (5) times berets trying to'start. Use a firm push, This _tep is not usua!ly necessary when starting an engine which has already run for ate w mtnu es_ Push eng'lne speed control lever to fast [._) MULCHING Hold operator presence contro! bar down to the handle and putl starter handle quickly. Do not aflow starter rope to snap back° . To stop engine, release operat0r pre.sence control bar. MOWING 'TIPS IMPORTANT: FOR BEST"PERFORM_NCE, KEEP MOWER HOUSING FREE OF BUIL,T-UFt GRASS AND TRASH CLEAN UNDERSIDE OF,MOWER HOUSING AFTER EACH USE. SEE ."CLEANING" IN'CUSTOMER RESPONSIBILITIES SECT ON OFTHIS MANUAL ' ' • The spec!al mutchlng blade wtti recut'_h§ grass Cllppings many times and redqce them in size So that as they fal! onto the lawn Ihe_,iwjfl disperse into'the grass and not be noticed, Also, the mu!ched grass will blodegrads quickly to provide nutrients for the lawn. Afways muloh with your highestengine' (blade) speed as this wilt provide lhe :best recuttlng action of the Medea . position. • Pores In cloth grass catche(_ban become filled with dirt and dust with use and c'atchers wttl col!ect less gi'ess, Toprevent lhfs, regu ally hose catchers off wilh water andfet dry before using. ," _= NOTE: In cooler weather It may be necessary to repeat priming steps, In warmerweather over priming maycause flooding and engine will not start, If you do flood engine, wait a few minutes before attempting to start and do not repeat pdmlng step& !, MOWING TIPS ° AvoidcuttJngyourlawnwhen Hswet, Wetgraastends to form clumps and interferes with the mulching action, The best time to mow your lawn iSthe eady Afternoon, At this time the grass has dded and the newly cut area will notes exposed to the direct s0ri. • For best re,_utts, adjust the IeWli mower cu_Jng height so that the lawn mowe_ cuts elf only the top one;third of the grass blades (See EJg. 8), :If the lawn is overgrown it will be necessary to'rais_the height of cut to reduce pushing effort and to keep from byerloading the engine and leaytngelumps of _ulPhedgrass, For extremely heavy mulching, red,Jce yoi4t width of cut, mow slowly andTals_ the rea_"of the lawn mower one wheel adjuster setting hlghe, r thari th=efront. Certain types of gras_ ahd grass conditions may re; quire that an area be mulched a rsecond time to comp etely hide lhe clippings When :doing a second cut, mew across or perpend!cular to the first cut path. Change yourcutttng pattern from week to week, Mow north to soulh one _eek then change tOeast to west the next week. This will help prevent matt ng And grain ng of the lawn. • Under certain conditions, such as very tallgrass, it may be necessary to raise the height of c;ut to reduce push ng effort and to keep from overloading the engine and leav ng clumps of grass clippings. • For extremely heavy cutting, reduce the wtdih of cut and raise the rear of the lawn mower housing one (1) wh'eet adjL=stersetting higher than the front for better discharge of grass. • For belier grass bagging and mbst Cutting _onditlons, the engine speed should be set in the fast (.€_) position. • When using a rear discharge lawn mower in moist, heavy grass, clumps of out grass may not enter the grass catcher: Reduce ground speed (pushing speed) a nd/or tun the lawn mows rover the area a second lime., " • If a trailer grass cllpplngsls left on ti:te right side of a rear discharge lawn mower, mow in a cl0ckwfse dlrecUon with a small oved&p to collect the clippings on the next pass; " L, ; " _ ; • K_ep 'top of engine around Starter, dear and clean of grass clippings and chaff. This wii! help engine air flow and extend engine life 10 ,J ........................................... ii i , i, u ul lunn ,, [ , [,,, ,,,,[........... CUSTOMER RESPONSIBILITIES i Check for Loose Fasteners _ (If Eqyipped) Clean/Inspect tl/ Grass Catcher ._ V' WE Clean Ctean UnderOd;.te Lawn Mower Cover (Self-Propelled Mowers) R ChecldSha(pe_ep!ece Blade Lubrication Chart Clean Battery/Recharge (Electric Start Mowers I "_ • t,! : I_. J "" ' If; .__ ........... i . _: ' -_ V' V' 3 • , N Check Engine OIl Level Change Engine Oil • G I Clean Air F!!!er Inspect Muffler U Clean or Replace Spark Plug E Replace Air Filter Paper Cartridge • _ ' I ' !/ V'2 l - Changemoreoftenwhenoperatingundera heavyk_adorInhighambientlemperaluros 2 - ServicemoreoftenwhenoperagngIndirtyet dustyconditions 3" RopEase bladesmoreoftenwhenmowingIn eahdyeoit 4 -.Charge48hoursat ando_season LUBRICATION CHART GENERAL RECOMMENDATIONS WHEEL ADJUSTER The warranty on this lawn mower does [_otcover items that have been subjecte d to operator abuse or n'egugence. To receive full value from the warranty, Operator must maintain mower as instructed In this manual, Some adjustments wili need to be made periodically to properly maintain your unit. AI! adjustments In the Service &nd Adjustments section of this manual should be checked at least once each season. • • Once a year, replace the spark piug, replace air filter element and check blade for wear., A new spark plug and s!eaninew air filter element assures proper air-fuel mixlure and helps your engine ran better and Iast longer. Fotlow the maintenance schedule In this manual BEFORE • • EACH (_BRAKE SPRING BRACKET (_)ENGINE OIL USE Check engine oil levet Check for loose fasteners. I.UBRICATtON IMPORTANT; DO,NOT OIL OR GREASE PLASTIC WHEEL BEARINGS VISCOUS LUBRICANTS WILL ATTRACT DUST AND DIRT THAT WILL SHORTEN .THE LIFE OF THE SELF LUBRICATING BEARINGS. IF YOU FEEL THEY MUST BE LUBRICATED USE ONLY A DRY, POWDERED GRAPHITE TYPE LUBRICANT SPAR NGLY Keep unit well lubricated (See "LUBRICATIO N CHART =) 11 CUSTOMER RESPONSIBILITIES LAWN MOWER Always observe safety ru_es when performing any maintenance., ii!' TIRES ,' Keep tires tree of gasoline, oil, or insect control chemicals which can harm rubber. • AvOid stumps, stones, deep ruts, sharp objects and other hazards that _may cause tire damage. BLADE CARE For best resu!ts, m0werblade bent or damaged blades. BLADE __ __ "_ must be kept sharp, Replace TO REMOVE BLADE (see Fig° 9) • • Disconnect spark plug wire from spark plug and place wire where it cannot come In contact with spark plug, Turn lawn mower on its side Make sure air filter and carburetor ere up,, • Use a wood block between blade and mower housing to prevent blade from turning when remov ng b ads bolt, . Protect your hands with gievaa and/or wrap blade wtth heavy cloth. • Remo_/e blade belt by turning counter-clockv_ise, a 9/16" box OFopen-end wrench • Remove b_ade and attaching washer and hardened washer) hardware I wAs. . T.A U. :\ LOCK WASHER EDGE BLADE ADAPIER FIG. 9 NOTE: We do not recommend sharpening blade- but If you do, be sure the blade is balanced TO SHARPEN BLADE Care Shou!d be taken to keep the blade balanced, An unbalanced blade will cause eventual damage to !awn mower or engine. Use (bolt, Iocl_ NOTE: Remove the btade adapter and check the key inside hub of blade adapter. The key must be n good condition to Work property_ Replace adaptei' if damaged. • The blade can be sharpened with s fits or on a gdndlng wheel, Do not attempt to sharpen while on the mower. • To check btade balance, ddve a nailtnIo a beam or wall Lea_ve aboul one inch of the straight nail exposed. Place canter ho e of blade over ths head of the na If biade is baEanced, tt should remain in a horizonta! position, t! either end of the blade moves downward, sharpen the h6avy" endunt I the b ads S balahced. TO REPLACE BLADE (See Fig. 9) ', Position the blade adapter on the engine crank.shaft, Be sure key in adapter and keyway tn crankshaft ai'e aligned • Posliton blade on the blade adapter a#gningthe two (2) holes in the blade with the raised fugs on the adapter. • The grass=catcher may be hosed wilh water, but must be dry when use'd, ' . • Be sure the trailing edge is up toward the engine., • • lnstaltthe blade bol! with the lock washei" and hardened washer into blade adapter and crankshaft. Use block of wood between blade and lawn mower housing and lighten the blade bolt, turning clockwise Check your grass c_tohsr 61ten for damage of: deter)oration. Through normat use it will wear, ][ catcher needs replacing, replace only with a manufacturer approved replacement catcher Give the lawn mower model number when ordering ; ' o GRASS CATCHER • The recommended tightening torque ls 35-4(_ ft_ 15s IMPORTANT; BLADE BOLT IS GRADE 8 HEATTREATED 12 ...............CUSTOMER RESPONSIBILITIES ' ENGINE LUBRICATION Use only htgh quality d_,tergent 0if rated with APt service classification SF or SG,; Select the oil s SAE viscosity grade according to your expected operating temperature, CONTAINER._ -2(_' .tO" "_P TEt'_]FERATURE RANGE AHllCIPATED IO _ " _ 313_ "" 40' BEFORE NEXT OIL CHANGE NOTE: Allhough multi-viscosity otis (5W30, 10W30 etc.) improve start ng n cold weather,.these mu Ii-viscos ty o s will result 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 oil FIG, 10 COLLAR Change the ofl after the first two hours of operation and every 25 hours thereafter or at least once a year if the lawn mower is not used for 25 hours In one year, COUNTER' Check the crankcase oll level before starting the engine and after each five (5) hours of conllnuous use. Tighten oil plug securely each time you check the oiI level CLOCKWISE TO REMOVE SLOT TO CHANGE ENGINE OIL (See Fig, 10) NOTE: Before tipping lawn mower to drain o_l, drain fuel tank by running engine until fuel tank is empty. ,, Disconnect spark plug wire from spark plug and place wire where it cannot,come in contact wilh spark plug. • Remove engfne ol! Cap; }ay astde on a clean surface. MUFFLER ,, Tip lawn mower on its side and drain oil into a suitable container, Rock Fawn mower back and forth io remove any otl trapped inside of engine. Inspect and replace corroded muffler as it could create a fire hazard and/or damage. ,, W_pe off any spilled oil on lawn mower and on side of engine• " Fttt engine Wilh oil. F_Honly to the "FULL" line on the dipstick. DO NOT OVER FILL • Reptace engine oil cap. • Reconnect spark plug wire to spark ptug. FIG. 11 SPARK PLUG. Change your spark plug each year to make _iour engine sla rt easier and run,bettel:, Set spark plug gap at ,.030 inch. CLEANING. IMPORTANT,: .FOR BEST PERFORMANCE, KEEP MOWER HOUSING FREE OF BUILT, UP GRASS AND TRASH, CLEAN UNDERSIDE OF MOWER HOUSING AFTER EACH USE, AIR FILTER Your engine wilt not run properly and may be damaged by using a dirty air filter, AI_ Replace the a!r filter every year, more often If you mow in ve_ dusty, dirty conditions. Do not wash air filter• TO CHANGE ,, Remove the air filtercover byturnlng counterclockwise to the Stop and pull away from collar. Remove filter from inside of cover.. • Clean the Inside of the cover and the collar to remove any dirt accumulat)on Insert new filter into cover. • Put air filter cover and fliter into cotiar aligning the tab wiih the slot ,, Push in on cover and turn clockwise ' CAUTION_ P_t'l_':': ' _ D'_onne_t sparll(pfug wire I ..... Turn lawn mower on its side. Make sure air filler and . carburetor are up: Clean the underside ot your lawn mower by scraping to remove build-up of grass and trash, ' , Clean enginb of!en to keep trash from accumulaling. A €loggeo engine runs hotter and shortens engine itfs, Keep Iini_hed surfaces and wheels free of all gasoline, oil_ ate, • 13 _ ' • to lighten. ' from spark plug and place wire where it cbr_n0t come In contact with the =park ,,_11_. •, AIR FILTER (See Fig 11) • • I we DO NOT i'ecommend using a garden hose to clean lawn mower un!ess the electr|cal system, mufiier, air filter and carburetor are covered to keep water out Water in engfne can result In shortened engine life. SERVICE AND ADJUSTMENTS " ,i ,ml | _ | _l ! • _ H.ll H,., ............................ r • ,i i ' Release control bar. " " I Make sure the blade and all moving parts have completely stopped, !: I Disconnect spark plug wire from spark plug and place:where tt cann0t_comeln contact with plug. I ,..... " ,,,,,,,,,i ................ " " i , :,,,,;,, ,_........ ; . LAWN MOWER TO ADJUST CUTTING HEIGHT See "TO ADJUST CUTTtNG secflbn of this manual,, HEIGHT" in the OperatiOn REAR DEFLECTOR The rear deflector, your lawn mower, that objects wiii be into the 0perator's tf the rear deflector ptacedo attached beiween the rear wheels of is provided to minimize the possibility thrown out the rear of the lawn mower mowing p0sition: becomes damaged, it should be re- TO ADJUST HANDLE (See Figs. 12 Thru 14)' Your town mower handle can be raised or towered for your mow!ng'comfort. Four (4) positions are available', high, medium high, mediuro'!ow and low. H_,ndles are shipped mounted In the medium low position° _ ., To change from medium tow to mediom high postliei!, the upper and lower handle sections will ha;_e to be turned over (Sea Fig, 12B), . Remove the cable clips, ,, Remove the controls and ope[ato_' presence control bar from the upper handle ,, Remove th_ starter rope guide lrol_1the lower handle. ', . Remove hairpin coffers. Disconnect the lower hand e from the handle brackets (See Fig, 14) ' " ' " • Turn the handle over and reassemble cotters that have been removed. ,. • • Reassemble the starter rope guide i Reassemble thecon|rois and the operator presence control bar to the upper handteo _ ° • the hairpin CAUTION i The operai0ri}_esen_ec0n- ' ] brake engagement when control bar, Is trol bar mbst freelyto permtt released, Do plvot not over tighten theblede fas;_ tenors hold{ng the contro!s to the upperhani:fle. " ' " ',, | 'J I I I To change fl:om medium u?per handle section will Fig. 13A), To change from medium lower handle section will Fig. 13B}. HANDLE low to h!gh posittcn only the have to be turned o,ver (See ' low lo,l_w position, 0nty the have to,be turned over (See :, " , S' HAIRPIN CL!P BRACKET FIG, t4 ENGINE SPEED ENGINE • Your carburetor has a non-adjustable fixed main Jet for mixture central t1your engine does not operate prop6rty due to suspected carburetor problems, take your lawn mower to an authorized service center for repair Or adjustment r - Your engine speed has been factory set,, Do not attempt to increase engine speed or it may resu l in personal Injury,, li you believe that the englhe !s running too fasi o _too stow, take your fawn mower to an authorized service center for repair and adjustment. CARBURETOR 14 - IIJLI ,Llllll,lu LUll I lll HI,HI' IIIII,IIIIIIIIHll Ill l I STORAGE ImmediateLy prepare your lawn mower for storage at the end _f the season or if the unit wt!l not be used for 30 days or more. ENGINE FUEL SYSTEM iMPORTANT: IT IS IMPORTANT ,TO PREVENT GUM DEPOSITS FROM FORMING IN ESSENTIAL FUEL SYSTEM PARTS SUCH AS CARBURETOR, FUEL F|LTER, FUEL HOSE, OR TANK DURING STORAGE ALSO, EXPERIENCE INDECATES THAT ALCOHOL BLENDED FUELS (CALL_ED GASOHOL OR USING ETHANOL. OR METHANOL) CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE..ACIDIC GAS CAN DAMAGE THE FU_L ,SYSTEM OF AN ENGINE WH_LE IN STORAGE • Drain:the fuel tank. LAWN MOWER When awn mower s to be stored fore pedod of t_me, clean it thoroughly, remove all dirt, grease, eaves, etc Store n a clean, dry area. • Ciean entire fawn mower (See "CLEANING" tn the Customer Responsibilities Secfion of this manual). " • Lubricate as shown in the Customer Responsibilities secilon of this manual • Be sure that all nuts boIts screws and pins are securelyfastened inspect movlngpartsfordamage, breakage and wear.. Replace If necessary. • Touch up all rusted or chipped I_ghtty before painting. Loosen upper handle mounting upper handle Io be folded back, IMPORTANT: WHEN FOLDING STORAGE OR TRANSPORTATION, THE HANDLE AS SHOWN OR you CONTROL CABLES: • • Use fresh fuel next season NOTE: Fue_ stabilizer is an'acceptable alternative In minimizing the format}on ef fuel gum deposits dudng storage, Add stabilizer to gasoline in fuel tank or storage contalner. Always follow the mix ratio found on stabilizer container. Run eng!ne at least 10 minutes after adding stabilizer to allow the stablllzer to reach the carburetor. Do hot d rainthe gas tank and carburetorlf using fuet stabilizer handle for storage of the lower handle toward handle clears the handle forward_ = Start {he _ngfne and tet It run until the fuel lines and carbureto! are empty. Never_use engtne or carburetor cleaner prod ucts in the fuel tank Or permanent damage may occur paint surlacas; Band HANDLE (See Fig. 15) You can fold your lawn mower " Squeeze the bottom ends each other unttl the lower bracket, then move handle , bolts enough to allow ENGINE oIL THE HANDLE FOR BE SURE TO FOLD MAY DAMAGE THE Drain oil (with _nglne warm) and replace with clean engine oil. (See "ENGINE = in the Customer Responsibilities sect!0n of th!s manua!) When setting up your handle from the storage position the lower handle will automatically lbck Into the mew pg position • ' . CYLINDER LOWERHANDLE " • Remov e spark 9lug. • Pout one ounce (29 mi) of oil through spark plug hole into cylFnder_ ' • Pull starter handle slowly a few limes to distribute eli. • Repiace With new spark ¢lug. OTHER SQUEEZETO FOLD ._ ._e;.. • • HAIRPIN ,, COTTER • " OPERATORPRESENCE CONTROLBAR Do not stere gasoIIne from one season to another_ Replace your gasoline can !1 your can starts t() rust Rust and/or dirt in your gasoline will cause problems if possible, store your _Jnt[indc_ors and cover it to give protection f[om dust and dirt. .,...,.__,..._ Cover your unit w!th a suitable protective cover that dQes not retain moisture. DO not use plastic. PlasIic cannot braathewhlch allows, condensation to form and will caus_ your unit to rust. IMPORTANT_ NEVER COVER MOWER WHILE ENGINE AND E_HAUST AREAS ARE STILL WARM. UPPER HANDLE "_J _ , FOL;BAC WAnO MOW|NG •, POSiTiON - AUTION: Never st0rethelawn mower ' with gasoline tn thelanl( Inside n buiLding where fumes may reach an open flame or spark, Allow the engine to c0ol before storing In any enclosure, : LOWERHANDLE FIG, 15 15 : ' ..... H,, i'H,, ' T"" CD CO r_ T-I a_ d ..I W c_ 0 ! | lU o/ 0 I:l: / 0: 0: ma IJJ 16 d W 0 I ! ILl b, _d n__. _d 0 t,o_z _e 17 CRAFTSMAN 4-CYCLE_ENGINE ' MODEL NUMBER 143o964006 I 416 204 I I | I 18 CRAFTSMAN 4-CYCLE ENGINE REF PART NO, NOr 1 36b.70A 2 26727 6 33734 7 35557 !2A 36558 129 34595 14 28277 15 30589 16 32651 17 31335 18 650548 19 36281 20 32600 30 35798 40 34514 4O 34515 40 34516 41 325389 41 325489 41 325499 42 28986 42 28987 42 28989 43 20381 45 309639 46 32610A 48 27241 50 36726 52 29914 69 35261 70 34311D 72 36083 75 27897 80 30574A 8t 30590A 82 30591 53 30588A 86 650488 89 611004 90 611112 92 650815 93 _650816 100 34443A 101 610118 103 651007 110 34961 119 36437 120 36474 125 35471 !25 36472 125 12G 130 135 150 15'1 29314B 293t5C 6021A 35395 35991 31673 MODEL NUMBER 143.964006REF PART NO, NOr DESCRIPTION Cylinder (Inc{, 2,7,20,125,169,172,174) Dowel Pin Breather Element Brea!herAss'y. (Incl 6 & 12A) BreatherOevef& Tube (IneL 129) Breather Tube Elbow Washer Governor Rod (tncl. t4) Governor Lever Governer Lever Clam p Screw, 8-32 x 5/16 _ Extension Spr!ng OIt seal Crankshaft Piston, Pin & Rtng Set (Std.) Piston, Pin & Ring Set (,010" OS) Piston, Pin & Ring Set(.020" OS) Piston & Pin Ass'y. (Side) (lncL 43) Piston & P_n Ass'y. (_OlO" OS) (tncf, 43) Piston & Pin Ass'y. (_020" OS) (lnot. 43) Ring Set (Sld.) Ring Set (.010" OS) Ring Set (°020" OS) Piston Pin Retaining Ring CQnqecting Rod Ass'y (ind. 46) Connecting Rod Boll Valve Lifter Camshaft (RCR) . Oil Pump Ass'y Moulittng Flange Gasket Mounting Flange (Inci72 thru 83) OI1 Drain Plug Oil Seal Governor Shaft Washer Governor GearAss'y (incl. 81) Governor Spoot Screw, t/4-20 x 1-1/4" Flywheel Key Flywheel Beflevi!te Washer Flywheel Nut Sotld State Ignition Spark Plug Cover Screw, Tor'x T-15, t0-24 x 15/18" Ground Wire "Cylinder Head Gasket Cylinder Head Exhaus! Valve (Std.) (fncl 151) Exhaust VaNe (1t32" OS) (IncL 151) tntake Valve (Std.) (Incl, 151) Intake Valve (I/32" OS) (fncl., !51) Screw, 5/16-18 x 1-!/2" Resistor Spark Plug (RJ19LM) Valve Sprtng Valve Spring cap 169 172 174 178 182 184 185 186 189 191 195 200 202 283 204 205 207 209 215 223 224 238 239 241 245 250 260 251 262 275 277 285 287 290 292 298 300 301 305 306 307 309 310 313 370A 3709 370K 380 390 400 27234A 32755 30200 29752 6201 26756 36544 34356 650839 36559 610973 35727 36482 31342 650549 650777 34336 30200 32410 650451 34690A 650932 34338 35797 35065 35085 36420A 30200 650831 36473 650988 35000A 650926 30705 26460 28763 343698 36246 35647 34265 35499 650562 35648 34080 36261 35167 36695 632744 590694 36475 416 36085 417 650760 DESCRIPTION * Valve Cover Gasket Valve Cover Screw. 10-24 x 9/16 _ Nut & Lock Washer. 114-28 Screw, 1/4-28 x 7t8" * Carburetor To Intake Pipe Gasket Intake Pipe Governor Link Screw, t14-20 x 3/8" S,Eo 'Brake Bracket (Incl. 195) Terminal Control Bracket (Inc[ 202 thru 205) Compression Spring Compression Spdng Screw, 5-40 x 7/16 Screw, 6-32 x 21/32 = Throttle Unk Screw, 10-24 x 9/16" Control Knob Screw, 1/4-20 x 1" "Intake Pipe Gasket Screw, 10-32 x 49/64" "Air Cleaner Gasket Air Cleaner Collar Air Cleaner Filter Air Cleaner Cover Blower Housing , screw, t0-24 x 9/16' Screw, 1/4-20 x 1/2" Muffler (lncl, 277) . Screw, t/4-20 x 2-5/t6 Starter Cup Screw, 8-32 x 21/64" FueJ Line Fue! Line Clamp • Screw, 10-32 x 35164" Fuel Tank (Inc!. 292 & 301) Fuel Cap Oil Fill Tube i * "O"-.Ring "O"-RIng Screw, 10-32 x 1t2" Dipstick Spacer Lubrication Decal Control Decal Starter Decal Carburetor (lncl. t84) Rewind Starter ' Gasket Set (lncL Items Marked "tn Notes) Spark Arrestor Kit (lncl. 417)(Optional) 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, Refer to the design of {he rope pulley strength ribs for part Identiffcatlen. Individual starter parts do not intem+hange ) NOTE: 19 All component dimensions 1 Inch = 25 4 mm given tn US inches Mo E INoM ER 43,9--o06 CRAFTSMAN 4-CYCLE ENGINE I]11 I I'1" MI REF PART NO, NO. 632744 J_ = _ _ ! 631615 _Z_ , " 2 631767 5 4 6 631183 63_184 632504 16 25 63t_75 6318_ 26 29 632019 631028 " _(._ Jt_, " " 3o 6 631022 Io2 ,,_. " _. _ ._, _ ., ' ,_ 3I 35 36045 37 36 40 44 48 632547 632745 632746 27110 63f027 REF NO." PART NO. _" _ I 590694 590599A 3 4 2 5 590696 590601 590600 590697 6 7 8 590696 590699 590700 ' --' _ __, | I2 59o536 _, IIilll'' 13 I I "lt't'"l'l' 'lll'llll'l_ IIn 59_01 I _ REF NO: Spi't_gC!li_. -' . p dp_erilBe'lS/Retainer Ring Ma}ipNo_leT0be. " . "O'* Ring, ,Ma!h No_Ie Tube High Sp_ed Bqwl Nut Peel NU!'W&_e_ ":_;_. . . Welc5 PlUg; Atmbsphertc Vent =SC" iFrtoN Recod S!arter ._ Sprth!;j P!n (IncL 4) Washier ' Retainer ; :. Washer, ' Blake!Spring : Staiter Dog DO#Spahg ;. ' P£lley & ReWtnd Spr|ng Ass'y. Startei" Hdusing Ass'y, Startei'ROpe (98 Starter Handle "•'" X'9/64 ....... •.............. ', client:- , , it PART N0. :, 59_1737 590740 590616 590617 590618A 590687A 12 590535 13 _90701 590741 NOTE: 2O Carburetb_ .,'., . • ct_! 84 o! Engfne Par_s List) hm|tl_ Shaft & Lever Assembfy Throttle.' ReIL_ Sprtng DlJst Seal Washer Dust seat _Srottie) Thrbtt!e'Sfi_tte.t _ Shutter. Screw Fuel Fittlng"_;, ,: F!o_I Bowl , .... Floal Shaf_: " :"l Float .::,_': ;'. Fioat BO_I ."0" Ring Irlie_ N'eedte, Seat, & Cl_p (|net 31) r -3 6 7 8 11 t4 DEsqRiP'rIot, I J l I • aew_':d Si_der Retalne_..::' ' Starter D6g _:,-: DeclS'Prlng Pi_,_ey'& _e_in'd Sp_ngAss'y starte_']-{obdi0g Ass y (40 degree grommet) Slatte[:Ro_ie.. ..... (Lengih 9,8".X9/64" _ta.) Stealer Handle '_: :, Loc_tr_g Tab • " All component d}menstons given, in UoS Inches 1 inch = 26.4 rnm ' TRO'UBLESHOOTING POINTS II CAUSE PROBLEM u IIII iii iii iiii i I ii iiiiiiii CORRECTION i Doee not start 1 2 3 4 Dirty a!l finer Out of fuai S1eiefuel, Water In fuel 1, 2 3 4 5 6 7 B 9. Spark plug wire is d]sconnesled Bad spark plug Loose blade or broken bladeadapter Conlmf bar _nreleased postUon Control bar detective 5 6 7 8, 9. Clean!replace air titter RUfuet _nk, Drain la_k and refill with fresh steer} fuel Drain fuet f_nk and carburetor and refill tank wtl,hfresh gazelles, Connect wire to plug Replace spark plug Tighten blade boltor replace blade adapter Depress conlrol bar to handle. Replasa controi bar, 1 1. Set in"Higher Cu_ pesgion 2 3 4 5 6. Rear of lawn mower housing/blade dragging in heavy grass, Cutting too much grass Dire! air filter, Butidup of grass, leaves and trash under mawe_ Too much oil In engine WatNng speed too tasL 2 3, 4, 5, Sat In*Higher Cur" pesliion C_eanfraplace air filler C_ean underside of mower housing CheeR oft level l 2 3, 4 Worn, bentor loose blade Whes_ helghls uneven Low enginespeed Buildup of gta_,a, leaves, end trash under mower 1, 2. 3. 4 Rap!ace blade Tfghten blade bolt Set allwheels at same height Contact an abthodzod set'vice canter/department Clean underside of mower housing Excessive vibration 1 2 Worn. bent or loose blade Bent engine crankshaft t 2 Replace blade. Tighten blade boil Contact en authorized sarv{ca eentsddspadment Starter rope hard to pull I Enginettywheei brake leon when control batIs released Bent engine crankshaft Blade adapter broken Blade dragging In grass 1, Depress control bar to upper handlebefore puIling strutter rope Contacl an oulhodzed service centerldepar'-,ment, Replace blade adapter Move town mower tocut grass or1o hard sadace to start engine Lose of power Pooreut-uneven i1,1 2. 3, 4, Grass catcher not filling (If so equlppod ) 1 2 3. 4. Hard to push I, 2, 3 4 Cuding height tOO_]OWr Lift on blade worn off Catcher eel venting _r Low engIne speed Grass _stoo hlgh or wheel helghl Is loo tow Rear of lawn mower housing/blade dragging in grass Grass catcher too full. Handle height pasff_ounet right for you 21 2 3. 4 ! 2 3 4 Raise cutting helghl Replace binds Clead grass catcher. Contact an authQdzed servlce centar/dopndmant 'l 2 Raise culling height Roles rear of lawn mower housing erie (t) setting higher Empty grass catcher. Adjust handle hatghl to null 3, 4 SERVICE NOTES 22 SERVICE NOTES 23 £RAFTXHRNo OWNER'S MANUAL 4.0 HORSEPOWER 20" REAR DISCHARGE ROTARY LAWN MOWER Each lawn mower has its own model number gine has its own model number, MODEL NO. 917.386121 Each en- The model number for your Tawn 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!Depadment and most Retail Stores, IFYOU NEED REPAIR SERVICE OR PARTS: FOR REPAIR SERVICE, CALL THIS TOLL FREE NUMBER: '1-800-4-REPAIR (1-B00..473-7247) WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOLLOWING INFORMATION_ • PRODUCT - LAWN MOWER • MODEL NUMBER - 917o3B6121 • ENGINE _ CRAFTSMAN. MODEL NO. 143.964006 • PART NUMBER , PART DESCRIPTION FOR REPLACEMENT PARTS ° INFORMATION AND ORDERING, CALL THIS TOLL FREE NUMBER: 1-800-FON-pART (%B00-366-727B) Your Sears merchandise has added value when yoU consider Sears has service units nationwide slaffed with Seers trained technicians,, professional technicians spectllceIly trained to insure that we meet our pledge to you, we service what we e_I_ 24
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