® ODEL 917.251492 OWNER'S MANUAL ®Assembly Operation Customer Responsibilities ®Service and Adjustments ®Repair Parts CAUTION: Read and follow all safety rules and instructions before operating this equipn FOR CONSUMER ASSISTANCE HOT LINE, C_LL THIS TOLL FREE NUMBER: 1,800-659-5917 IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII ................................................
SAFETY RULES _ Safe Operation Practices for Ride-On Mowers IMPORTANT: THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING OBJECTS, FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT 1N SERIOUS INJURY OR DEATH. !. ' • • • • ° ° • • • ° • • • • II, GENERAL OPERATION Read, understand, .and follow all Instruct_on_-_the manual and on the mach{he before starting. _. Only allow responsible adu{ts, who are familiar with the Instructions, to operate the machine_ ,.
PRODUCT SPECIFICATIONS CONGRATULATIONS on your purchase of a Sears Tractor. It has been designed, engineered and manufactured to give you the best possible dependability and performance. HORSEPOWER: GASOLINE CAPACITY AND TYPE: Should you experience any problem you cannot easily remedy, please contact your nearest Sear_ Authorized Service Center/Department Department. V_h.ave competent, well-trained technicians and the prol_ertools to service or repair this tractor. ,;. Please read and retain this manual.
TABLE OF CONTENTS MAINTENANCE SCHEDULE ..................................... 17 SERVICE AND ADJUSTMENTS .......... ................. 21-27 STORAGE ............. ;..................................................... 28 I_'TROUBLESHOOTING ........................................... 29-30 REPAIR PARTS - TRACTOR ................................ 32-47 REPAIR PARTS - ENGINE .................................... 51-60 RARTS ORDERINGtSERVICE ............... BACK COVER SAFETY RULES .................................
AND ATTACHMENTS These accessories and attachments were available throughmost Sears retail outlets and service centers when the tractor was purchased Most Sears stores can order these items for you when you provide the model number of your tractor. _AINTENANCE ENGINE GAS CAN SPARK PLUG PERFORMANCE ENGINEOIL FUEL STABILIZER AIR FILTER BLADES BELTS r' Sears offersawide variety of attachments that fit yourtractor.
CONTENTS OF HARDWARE PACK ' iiiii i ..............................
LY .... i1,, ,i,, =H ,... i,, i,,i inlnmm ,.,,,,,.,., .......... Your new tractor has been assembled at the factory with exception of those parts left unassembled for shipping purposes,, To ensure safe and proper operation of your tractor all parts and hardware you assemble must be tightened securely. Use the correct tools as necessary to insure prop_ertightness. TOOLS REQUIRED FOR ASSP_._BLY & .-_ STEERtNG WHEEL A socket wrench set wi!l make assembly easie_i, Standard wrench sizes are listed.
ASSEMBLY HOW TO SET UP YOUR TRACTOR INSTALLSEAT (See Fig. 3) CONNECT Adjust seat before tightening adjustment knob. Remove cardboard packing on seat pan_ ii_ BATTERY (See Fig. 2) nals. Before connecting batte_, reCAUTION: move metalDo bracelets, not short battery_ermiwristw_t¢h bands, rings, etc. = Place seat on seat pan and assemble shoulder bolt. Assemble adjustment knob and flat washer ioosely, Do not tighten_ o Tighten shoulder bolt securely.
LY i rl II (See " Be sure tractor is on level surface and mowe_suspension arms are raised with attachment lift control. E_gage parking brake. '_: o Cut and remove ties securing anti-sway barand belts° Swing anti-sway bar to left side of mower deck Place the R°H_ suspension arm on inward pointing deck pin. If necessary', rock and raise front of mower to align deck pin with the hole in suspension arm Retain with double loop retainer spring with loops down as shown. .
INSTALL MULCHER PLATE (See Figs. 5 and 6) DEFLECTOR SHIELD * Install two latch hooks to mulcher plate using screw, washer, !ock washer, and weld nut as sho_n. NOTE: Pre-assembIe weld nut to latch hook b_ inserting weld nut from the top with hook pointingdown_ , Tighten hardware securely. o Raise and hold deflector shield in upright position. * = Place front of mutcher plate over front of mower deck opening and slide into place, as shown.
............................ ..................................................................... i i i ,,,ll,,i,,r,jl/,i,j OPERATm ..... i,i These symbols may appear ii, ,llullllull,,,,,ill, : ............................ on your tractor or in 5terature supplied with the product° Learn and understand they meaning.
OPERATION KNOW YouR TRACTOR ............................................................................... READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TRACTOR. Compare the illustrations with your tractor to fa_liarize yourself _ith the location of various controls and adjustments. Save this manual for future reference.
O The operation of any tractor can result in foreign objects thrown into the eyes, which can result in severe eye damage. ALways wear safe_y glasses or eye shields while operating your tractor or performing any adjustments or repair_ We recommend a wide vision safety mask over the spectacles or standard s_ty glasses. HOW TO USE YOUR TO SET PARKING NOTE: Under certain conditions when tractor is standing idle with the engine running, hot engine exhaust gases may cause "browning" of grass.
OPERATION ii TO ADJUST GAUGE WHEELS Adjust gauge wheels with tractor on a flat level surface. = Adjust mower to desired cutting height (S_e '_,O ADJUST MOWER CUTTING HEIGHT" in the*Operation section of this manual)_ ° With mower in desired height of cut position, gauge wheels should be assembled so they are slightl_ off the ground. Install gauge wheel in appropriate hole with shoulder bolt, 3/8 washer, and 3/8-16 locknut and tighten securely.
0 EBATmON BEFORE STARTING THE ENGINE TO START ENGINE (See Fig. 8) When starting the engine for the first time or if the engine has run out of fuel, it will take extra cranking time to move fuel from the tank to the engine. = Depress clutch/brake pedal and set parking brake_ ° Place motion control lever in neutral (N) position_ ° Move attachment clutch to "DISENGAGED" position° • Move throttle control to choke (N) position Note: Before starting, read the warm and cold starting procedures below.
...................................................... : ii ii ii illllllll IL OPERATION -- _ 7 ; II,N III II III ll'l ,.,.,., , ,, ...... IMPOR;rANT: SHOULD YOUR TRANSMISSION REQUIRE REMOVAL FOR SERVICE OR REPLACEME:NT, IT SHOULD BE PURGED AFTER REINSTALUATION BEFORE OPERATING THE TRACTOR. • Place tractorsafely on level surface.withengine off and parking brake set. ° Disengage transmission by placing freewheel,control in freewheeling position (See "TO TRANSPORT" in this section of manual).
CUSTOMER RESPONSmBmLBTIES AS YOU COMPLETE REGULARSERVICE Check BrakeOperation CheckTire Pressure T Check forLoose Faster, e,s __.._" f _1' _1' _.._ _,_'._ SERVICE DATES V _' °_ ...... _,: j v", v" C Check Battery 0 LeveVRecharge ...... v" CleanBattery and Terminals Adjust [ v' v' R Check TransaxleCooling Adjust Blade Belt(s)Tension ...................... V'5 Motion Drive Belt(s) Tension Check Engine Oil Level ChangeEngineOil Clean Air Filter tb/ V" _2.
CUSTOMER RESPONSIB! TRACTOR TO SHARPEN BLADE (See Fig. 16) _Care should be taken to keep the blade balanced, An unbalancedblade willcause excessive vibration and eventual damage to mower and engine. Always observe safety rules when performing any maintenance° BRAKE OPERATION = tf tractor requires more than six (6) feet stoppingdistance at high speed in highest gear, then brake must be adjusted. (See "TO ADJUST BRAKE" in the Service and Adjustments section of this manual).
CUSTOME TRANSAXLE BULUTmES COOLING TO CHANGE ENGINE OIL (See Figo17) Determine temperature range expected before oil change. All oil must meet API service classification SF or SG The fan and cooling fins of transmission should be kept clean to assure proper coolfng_ Do not attempt to clean fan or transmissionwhile engine is running or while the transmission is hot. To prevent possibledamage to seals, no not use high pressure water or steam to clean transaxle.
i i, CUSTOMER [ ENGINE COOLING III R IIIIIIII ,,,, ,,,, ...... .. NSIBiLITIES II FINS (See Fig. 18) Remove any dust, dirt or oil from engine cooling fins to prevent engine damage from overheating. Engineblower housing must be removed. Remove side panels and hood (See "TO REMOVE HOOD AND GRILL ASSEMBLY" inthe Service and Adjustments section of this manual.)._ AIR SCREEN COOLING FINS (BOTH SIDES) FIG.
SERVICE AND A ::::::: ill,ii,ii,i,i i,ii USTMENT$ ......................................... i i i,ii1,1, i, CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: , Depress clutch!brake pedal fully and set_arking brake. • Place motion control lever in.neutral (N) position. = Place attachment clutch in "DISENGAGED" position. , Turn ignition key "OFF" and remove key. , Make sure the blades and all moving parts have completely stopped.
E AND ADJUSTM ,,llllll ,i ii TO REPLACE FRONT-TO-BACK ADJUSTMENT (See Figs° 23 and 24) IMPORTANT; DECK MUST BE LEVEL SIDE-TO-SIDE,. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURE TO ADJUST B'OTHFRONT':C.INKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-SIDE, To obtain the best cutting results, the mower housing should be adjusted so the front s app rox mately 1/8'_to1/2" lower than the rear when the mower is in its highest position.. Check adjustment on right side of tractor.
SERVICE AND ADJUSTMENTS BLADE DRIVE BELT = Make sure attachment clutch and ignitionswitches are in "OFF' position. Park the tractor on level surface. Engage parking brake_ ° Remove mower ddve belt (See''TO REPLACE MOWER DRIVE BELT" in this section of this manual)° o Adjust the three nylon locknuts until space between clutch plate and rotor measures .012" at all three slot locations cut in side of brake plate. TO REPLACE (See Fig. 26) o ° MOWER • Carefully roll belt off R.H, mandrel pulley.
AND ADJUSTMENTS TO REPLACE (See Fig. 29) MOTION DRIVE BELT TO ADJUST MOTION CONTROL Fig. 30) Park the tractor on level surface. Engage parkin_b_'ake_ For ease of service there is a belt Installation guide decal on bottom of left footrest.
$ERVmCE AN ADJU ENTS FRONT WHEEL TOE-IN ADJUSTMENT Front wheel toe-in is required for propersteering Operation° Toe-in was set at the factory and adjustment should not be necessary If parts [n the front axle or steering mechanism have been replaced or damaged, check toe-in and adjust if necessary_ RETAINING RING AXLE COVER TO CHECK TOE-IN (See Fig° 31) = Position front wheels straight ahead. ° Measure distance between wheels at front and rear of tires (dimensions 'W' and "B").
S AND ADJUSTMENTS III TO REPLACE 8 O HEADLIGHT III IIIIiiiiiiiii II I III IIIIIIIIIIIII BULB IIII ADJUSTMENT Raise hood_ II III IIIII II i I SPRING BUSHING Pull bulb holder out of the hole in the backside_of the grill,, Replace bulb in holder and push bulb holder securely back into the hote in the backside of the grill _: Close hood, INTERLOCKS AND RELAYS Loose or damaged wiring may cause your tractor to run poorly, stop running, or prevent it from starting. • Check wiring.
SERVmCEA AD, USTMENTS ENGINE ACCELERATION TO ADJUST THROI-rLE (See Figs. 37 & 38) CONTROL ° GABLE The throttle control has been preset at the factory and adjustment should notbe necessary. Checkadjustment as described below before loosening cable. If adjustment is necessary, proceed as follows: ° With engine not running, move throttle controllever to fast (,_) position. ° Check that speed controllever is against stop screw.
STORAGE ENGINE Immediately prepare your'tractor for storage at the,;,endof the season or if the tractor will not be used for 30 days or more. FUEL SYSTEM llLu IMPORTANT: IT IS iMPORTANT TO PREVENT GUM DEPOSITS FROM FORMING IN ESSENTIAL FUEL SYSTEM PARTS SUCH AS CARBURETOR, FUEL FILTER, FUEL H_)SE, OR TANK DURING STORAGE. ALSO, EXPERIENCE INDICATES THAT ALCOHOL BLENDED FUELS (CALLED GASOHOL OR USING ETHANOL OR METHANOL} CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE.
T UBLESHOOTING - ,,,i,l,,,ll,i ii,i ii PROBLEM Will not start lll l POnNTS ii ................................ CAUSE CORRECTION 1. 2. 3. 4. 5. 6_ 7. Io Out of fuel. 2.. 3. 4. 5. 6. 7.. Engine not "CHOKED" propedy Engine flooded., Bad spark plug_ Dtrbj air filter.. Dirty fuel filter. Water In fuel. 8_ 9., 10.. Loose or damaged wtdngr Carburetor out of adiustrnent Engine valves out of adjustment. Fill fuet tank. See "TO START ENGINE" ]n Operation section.
IIIIIIIHII i::................................ ill i,illll, ,JlJl,Jl,,i,,,i,,ll iillll ii ii i ill i/ TROU Engine continues to run when operator leaves seat with attachment clutch . ......... POINTS CAUSE PROBLEM ................ CORRECTION 1_ Faulty operator-safety !orese'_ce control system, 1. Check wiring, switches and con_ectionso If not corrected, contact an authorized _ervtce center/ department 1. 2. 3 4. Wom, bent or loose blade. Mower deck not level.
TRACTOR - - MODEL NUMBER 917.251492 SCHEMATIC RED BLACK BATTERY FUSE 30 AMP° RED U",.D AMMETER WHITE S WHrt_ BLACK J IGNITION SWITCH SEAT SWITCH (NOT OCCUPIED) 1 .... ,_/ 4 .... 2 J_Z_ 1 _ 1 _ l l f._ i _ '. BLACK t3 o-111 '--_6 -_ _ _ LL 1{DISENGAGED) GROUNDING CONNECTOR @ BLACK UNIT IGNITION CHARGING PLUGS SPARK _ SYSTEM OUTPUT _ AMP pce 3600 nPM (_ REGULATOR I YELLOW 28 VOLTS AO '8 3600 RPM (REGULATOR DISOONNEOTED) RED ORANGE I ......
REPAIR PARTS TRACTOR -- MODEL NUMBER 917.
REPAltR PARTS TRACTOR -- MODEL NUMBER 917.251492 ELECTRICAL KEY NO.
REPAIR PARTS TRACTOR CHASSIS - - MODEL NUMBER 917.
REPAUR PARTS TRACTOR - - MODEL NUMBER 917,251492 CHASSIS AND ENCLOSURES KEY NO. PART NO.
TRACTOR " " MODEL NUMBER 917,251492 46 64 37 38 8O 49 47 87 \ 72 109 | / I g9 75 / 10_ I 97 ,101 100 107 72 103 36
REPAUR PARTS TRACTOR GROUND KEY NO. 2 3 5 6 7 9 15 17 20 22 23 28 29 30 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 58 6! 64 65 66 67 - - MODEL NUMBER 917.251492 DRIVE PART NO.
REPAIR PARTS TRACTOR STEERING - - MODEL ASSEMBLY 21 20 34 33 32 6 27 t9 38 NUMBER 917.
REPAIR PARTS TRACTOR STEERING - - MODEL NUMBER 917,251492 ASSEMBLY KEY NO.
REPAIR PARTS TRACTOR - - MODEL NUMB ER 917.
REPAIR PARTS TRACTOR -- MODEL NUMBER 917.251492 ENGINE KEY NO. PART NO.
REPAIR PARTS TRACTOR 46" MOWER - - MODEL NUMBER 917.251492 DECK 46 49 127 t 45 \ i 126 ! 32 116 31 117 119 21 21 3 24 25 26 27 18 103102 106_.._ I/ 104 105 9 8 1_ 101 42 1 ._,,,.
REEPAIIRPARTS TRACTOR - - MODEL NUMBER 917.251492 46" MOWER DECK KEY NO. PART NO. 1 3 5 6' 9 10 153125 138457 4939M 130832 850857 STD551137 140296 tl t2 13 152443 129895 137553 14 15 16 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 137152 110485X 140329 72140505 132827 145055 STD54!431 134753 131267 105304X 123713X 110452X 145325 19111016 131491 138776 129963 153531 137266 144945 1749O628 STD551037 131494 DESCRIPTION Deck Asm., Mower 46" Bracket Asm.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251492 SEAT ASSEMBLY 21 KEY NO. PART NO. t 2 3 4 5 6 7 _8 10 12 13 14 140124 140551 140675 127018X 145006 STD541437 124181X 150176 14O552 121246X 121248X 72050411 KEY NO.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251492 DECALS 18 6 3 7 15 15 7 8 4 21 t3 8\ 9 2O 22 5 24 2 11 12 17 14 KEY NO. t 2 3 4 5 6 7 8 9 10 11 12 t3 '14 15 16 PART 'NO. 138955 149516 146705 146706 140837 133644 138048 151441 146709 137537 4900J 146790 151401 139346 142243 151302 WHEELS 16 DESCRIPTION Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Operating Instruction Battery DNGR/PSN/Acme Hood, Craftsman, RH Hood, .
REPAIR PARTS TRACTOR -- MODEL NUMBER 917,251492 LIFT ASSEMBLY 35 17 34 7_ 33 31 8 9 10 \ 70 "! , 1 29 4 2 26 12 12_ 2425 16 12 21 22 12 2O 46 19 18 15
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251492 LIFT ASSEMBLY KEY NO. PART NO.
REPAIR PARTS TRACTOR HYDRO GEAR TRANSAXLE-- - - MODEL NUMBER 917.251492 MODEL NUMBER 218-3010L 7t 7,.
REPAIR PARTS TRACTOR HYDRO GEAR KEY PART NO. NO. 1 2 7 16 20 2I 22 33 35 36 37 38 39 40 41 42 43 45 46 47 49 63 64 142874 142875 153765 142876 142877 142878 142879 142929 142880 142882 142883 142884 142885 142886 142887 142888 142889 142890 142891 142892 153766 142894 150818 65 67 68 69 7O 71 142897 142898 142899 142900 142901 142902 TRANSAXLE - - MODEL - - MODEL NUMBER NUMBER DESCRIPTION Assembly, Housing, LH Assembly, Housing, RH Oi! Seal .984 x 1.5 x .
REPAIR PARTS TRACTOR HYDRO - - MODEL NUM BER 917.251492 GEAR PUMP - MODEL NUMBER BU-10L-122 17 38 KEY PART NO, NO.
REPAIR PARTS TRACTOR -- MODEL NUMBER 917.251492 KOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER 58560 ., AIR INTAKE I ,.o_,,Ou.,..i ....................................... / ] 8 7 m _5 ! 1 ! L 0--5 4 6 2 3 BREATHER AND VENT _12 I ............................ II/'_3 18 .....13 (.
REPAIR PARTS TRACTOR -- MODEL NUMBER 917.251492 KOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER AIR INTAKE KEY PART NO. NO. 1 2 X-276-7 52 755 83 3 4 5 6 7 8 9 10 52 096 35 52 123 21 23!032 52 082 04 45 083 01 45 083 02 237423 X-67-98 11 t2 13 14 15 52 201 06 277093 52 05439 X-25-79 X-50-37 t6 X-50-57 17 X-22-9 18 25 041 06 58560 BAFFLES & SHROUD DESCRIPTION KEY PART NO. NO.
REPAIR PARTS TRACTOR - - MODEL KOHLER ENGINE - MODEL NUMBER NUMBER 917.251492 MV18S, TYPE NUMBER 58560 €,A,;C'sE ! ...................... .... i,,_ ....
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251492 KOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER 58560 CRANKCASE KEY PART NO. NO. 1 2 3 X-82-2 52 468 12 82 755 16 4 _ 52 016 05 5 52 031 01 6 52 316 06 7 52 755 50 8 52 072 12 9 10 11 12 13 25 086 t2 X-269-43 52 078 05 52 030 10 52 030 tl 52 030 12 25 086 10 14 25 086 13 15 16 17 52 141 02 52 139 08 25 086 11 18 19 52 032 10 82 755 17 0 _ - - CARBURETOR DESCRIPTION KEY PART NO. NO.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917,251492 KOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER 58560 CRANKSHAFT CYU.
REPAIR PARTS TRACTOR KOHLER ENGINE - MODEL NUMBER - - MODEL 1 2 52 52 52 52 01493 468 03 468 04 468 05 ELECTRIC STARTER DESCRIPTION 1 52 038 14 2 3 4 5 6 7 X-25-44 52032 14 41 15301 52 126 11 52 123 20 47 139 01 Crankshaft Washer, Thrust _119L122 (A.R.) Washer, Thrust o128/.131 Washer, Thrust .137L140 (A.R.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.
REPAIR PARTS TRACTOR -- MODEL NUMBER 917.251492 KOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER 58560 FLYWHEEL KEY PART NO. NO. I 2 25 162 01 25 086 21 3 4 5 6 7 8 2511204 25 157 01 25 086 24 521468 15 X-286-17 52 025 36 FUEL PUMP DESCRIPTION KEY PART NO. NO. Screen, Grass Screw, Hex Washer Head 1/4-.20 x 5/8 (4) Spacer (4) Fan Screw, Hex Machine 3/8-24 x !-1/4 Washer, Plain Key, Square 3/16 x 7/8 Flywheel GOVERNOR KEY PART NO. NO.
REPAnR PARTS TRACTOR-KOHLER ENGINE - MODEL NUMBER MODEL NUMBER 917.251492 MV18S, TYPE NUMBER 58560 alL FILTER i [ I _3 [ 7 3 l 2 OIL SWITCH i OIL PUM P i i i 4 CAMSHAFT .............
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251492 KOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER 58560 OIL PAN LOW OIL PRESSURE SWITCH KEY PART NOo NO. DESCRIPTION 1 X-67-64 2 3 4 5. 6 52 050 03 52 199 14 X-702-14 52 054 07 X-75-38 7 8 X-75-10 52 086 12 9 52 032 10 KEY PART NO. NO. Screw, Hex Washer Head #10-32 x 7/16 (2) Filter, Oil Pickup Oil Pan (includes Key #4 thru 6) Plug, Cup 1-1/16 Elbow,. Street Plug, Hex, Countersunk 1/4 N.P.T_F.
SERVICE NOTES 61
0 E F.I W I I 0 r_ 0 ii_ r_ LIJ 0 ,.,.,!1 r,_ o tO X I.,-. m r,.p 0 m r_ 0 LI., ill / I r,,p I / uJ I-.. r,.p r,.
I:RnFTSHoN° B1 _- ! OWNER'S MANUAL MODEL NO. 917.251492 l |._ 18.5 HP TWIN CYLINDER ELECTRIC START 46" MOWER HYDROSTATIC (AUTOMATIC) GARDEN TRACTOR Each tractor has its own model nurnber. Each engine has its own model number. The model number for your tractor will be found on the model plate located under the seat.