® MODEL NUMBER 917.256531 OWNER'S MANUAL o Assembly o Operation o Customer Responsibilities o Service and Adjustments o Repair Parts CAUTION: Read and follow all safety rules and instructions before operating this equipment. FOR CONSUMER ASSISTANCE HOT LINE, CALL THIS TOLL FREE NUMBER: 1-800-659-5917 .............................................................................. ,,,,,,,,,,,,,,,, i H.
SAFETY Practices RULES for Ride-On Safe Operation Mowers 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, I. * * ° . * ° ° . ° ° ° . o ° GENERAL OPERATION Read, understand, and foilow al! instructions in the manual and on the machine before starting. Only allow responsible adults, who are familiar with the instructions, to operate the machine..
PRODUCT CONGRATULATIONS on your purchase of a Sears Tractor, it has been designed, engineered and manufactured to give you the best possible dependability and performance.
TABLE OF CONTENTS SAFETY RULES ............................................................ 2 PRODUCT SPECIFICATIONS ...................................... 3 CUSTOMER RESPONSIBILITIES ..................... 3, 17-21 WARRANTY .................................................................. 3 TABLE OF CONTENTS ................................................. 4 INDEX ............................................................................ 4 TRACTOR ACCESSORIES ..........................................
ACCEG$O E$ A D ATTA¢ ......... ::::i, l_l:i, ENT$ .......... : :it l,i, These accessories and attachments were available through most 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.. ENGINE SPARK PLUG MAINTENANCE GAS CAN ENGINE OIL FUEL STABILIZER AIR FILTER BLADES BELTS % % ........... ..........................
Parts packed separately in carton Parts Bag contents shown full size ............. ill ii, i ............ .... ............... ll,lllll J _l llllll,i i, (1) Hex Bolt 318-16 x 1 Seat © Mulcher Steering Boot Plate (1) Lockwasher 3/8 (1) Large Flat Washer Steering Wheel (1) Locknut 5/16-18 (1) Hex Bolt 5/16-18 x 1-1/4 I Video Cassette (1) Hex Bolt 1/2-13 x 1 Manua T, (1) Washer t7/32 x 1-3/16 x 12 Gauge i'' "1 .... u,u,l,,, ii ulL ............
ASSEMBLY .............................. : :,,i,: 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 proper tightness. TOOLS REQUURED FOR ASSEMBLY A socket wrench set will make assembly easier.. Standard wrench sizes are listed.
CONNECT BATTERY (See Figs. 2 and 3) CAUTION: Do not short battery terminals. Before connecting battery, remove metal bracelets, wristwatch bands, rings, etc. SEAT PAN Positive terminal must be connected first to prevent sparking from accidental grounding. o Remove cardboard packing from seat pan and lift seat pan to raised position. o o Open batter':/box door'., Remove terminal protective caps and discard.
CHECK ASSEMBLE TIRE PRESSURE The tires on your tractor were overinflated shipping purposes,, Correct tire pressure best cutting performance. o Reduce tire pressure to PSi shown SPECIFICATIONS" on page 3 of this CHECK PROPER in "PRODUCT manual. POSITION OF ALL See the figures that are shown for replacing motion and mower blade drive belts in the Service and Adjustments section of this manual, Verify that the belts are routed correctly.
INSTALL iViULCHER (See Figs. 6 & 7) o PLATE DEFLECTOR SHIELD Install two latch hooks to mulcher plate using screw, washer, lock washer', and weld nut as shown. NOTE: Pre-assemble weld nut to latch hook by inserting weld nut from the top with hook pointing down_ = Tighten hardware securely., ° 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.. Hook front latch into hole on front of mower' deck.
OPERATION These symbols may appear on your product or in literature supplied with the product, Learn and understand their meaning.
OP ATmON KNOW YOUR TRACTOR READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TRACTOR Compare the illustrations with your'tractor to familiarize yourself with the toca_ions of various cont_'ols and adjustments_ Save this manual for future reference.
OPERATIO The operation of any tractor can result in foreign objects thrown into the eyes, which can result in severe eye damage. Always wear safety glasses or eye shields while operating your tractor or performing any adjustments or repairs. We recommend a wide vision safety mask over the spectacles or standard safety glasses. HOW TO USE YOUR TRACTOR TO SET PARKING BRAKE o (See Fig. 9) o Never use choke to stop engine..
OPERAT O TO OPERATE MOWER IMPORTANT: THE MOTION CONTROL LEVER DOES NOT RETURN TO NEUTRAL (N) POSITION WHEN THE CLUTCH/BRAKE PEDAL IS DEPRESSED o To restart movement, stowly release parking brake and clutch/brake pedal. ° Slowly move motion control lever to slowest setting. ° Make all turns slowly (See Fig. 10) Your tractor is equipped with an operator presence sensing switch Any attempt by the operator to leave the seat with the engine running and the attachment clutch engaged witl shut off the engine.
OPERATION WARNING: 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, Acidic gas can damage the fuel system of an engine while in storage, To avoid engine problems, the fuel system should be emptied before storage of 30 days or longer. Drain the gas tank, start the engine and let it run until the fuel lines and carburetor are empty.
OPERA'['ION i1,, ::: ::.................. ll.i , lit lll,llj i iHll i MOWING TiPS MULCHING MOWING TiPS * Tire chainscannot be used when the mower housing is attached to tractor. = Mower should be properly leveled for best mowing performance,, See "TO LEVEL MOWER HOUSING" in the Service and Adjustments section of this manual. The left hand side of mower should be used for trimming,. IMPORTANT: FOR BEST PERFORMANCE, KEEP MOWER HOUSING FREE OF BUILT-UP GRASS AND TRASH..
OUSTO Check ER Brake Operat,!on ....... 6_ _ $f Check Tire Pressure 6/ T check 6#4 R Sharpen/Replace for Loose Fasteners ESPON Check Batt,eP/,L,e,vet/Recharge 0 Cfean Battery and Terminals CheckTransaxle ...................... .................. 6# # Cooling $##'s Check Engine Oi! Level _'s 6##' Oil _ .............. 64_t2,3 Clean Air Filter E ........... N Clean Air Scree n G Inspect Muffler/Spark - . . Arrester , ,, Fins ...... _ .............. . . _,2 ...........
ESPONSH CUSTOM TRACTOR Always observe nance. BRAKE TO SHARPEN BLADE (See Fig. 15) safety rules when pe#orming Care should be taken to keep the blade balanced° An unbalanced blade will cause excessive vibration and eventual damage to mower and engine. • The blade can be sharpened with a file or on a grinding wheel.
ER CUSTO ESPONSm BATTERY ENGINE Your tractor has a battery charging system which is sufficient for normal use° However, periodic charging of the battery with an automotive charger will extend its life,, LUBRICATION o Keep battery and terminals clean.. ° Keep battery bolts tight, ° Keep small vent holes open,, • Recharge at 6-10 amperes for 1 hour,. Only use high quality detergent oil rated with API service classification SF or SG.
AIR FILTER CLEAN (See Fig. 18) AIR SCREEN (See Fig. 19) Your engine will not run properly using a dirty air filter. Clean the foam pre-cteaner after every 25 hours of operation or every season,, Service paper cartridge every 100 hours of operation or every season, whichever occurs first.
i,ii, CVSTO RESPONS UL ES MUFFLER CLAMP CLAMP Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or damage,, SPARK PLUGS Replace spark plugs at the beginning of each mowing season or after every 100 hours of operation, whichever occurs first. Spark plug type and gap setting are shown in "PRODUCT SPECIFICATIONS" on page 3 of this manual. IN-LINE FUEL FILTER FUEL FILTER (See Fig. 20) FIG.
SERVICE AND ADJUSTMENTS CAUTION: o o o @ o o BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: Depress clutch/brake pedal fully and set parking 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, Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug, ...... i i,H,i,i ..........................
L $ERVUCE AND ADjUSTMIE TO LEVEL MOWER HOUSING FRONT-TO-BACK ADJUSTMENT (See Figs° 24 and 25) IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE,. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT ]S NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TOSIDEo To obtain the best cutting results, the mower housing should be adjusted so that the front is approximately 1/4" to 3/4" lower than the rear when the mower is in its highest position. Check adjustment on right side of tractor.
............. ii IMI'"I SERVaCE AN TO REPLACE (See Fig.
$ERVBCE AND AOjUSTMENT$ TO ADJUST MOTION CONTROL LEVER (See TO ADJUST Fig. 29) if for any reason the motion control lever will not hold its position while at a selected speed, it may be adjusted at the friction pack located on the right side of transmission. Park tractor on level surface° Stop tractor by turning ignition key to "OFF" position, and engage parking brake° ° Adjust motion control lever by tightening adjustment Iocknut one half (1/2) turn,.
SERVmCE AND ADJUSTMENTS TO START ENGINE (See Fig. 31) TO REPLACE WITH A WEAK BATTERY ' i ill ll,n i i,lll i • PuLlbulb holder' out of the hole in the backside of the grJE - Replace bulb in holder and push bulb holder securely back into the hole in the backside of the grill Close hood., INTERLOCKS tf your battery is too weak to start the engine, it should be recharged..
SERVnCE AND ADJUSTMENTS FINAL SETTING - ENGINE ° TO ADJUST THROTTLE (See Fig. 33) CONTROL Start engine and allowto warm for five minutes. Make final adjustments with engine running and shift/motion control lever in neutral (N) position_ ° Move throttle control lever to slow (,_) position. With finger, rotate and hold throttle lever against idle speed screw. Turn idle speed screw to attain 1750 RPM.
STORAGE ENGONE Immediately prepare your tractor for storage at the end of the season or' if the tractor will not be used for 30 days or FUEL SYSTEM IMPORTANT: IT 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 OR USING ETHANOL OR METHANOL) CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE.
TROUBLESHOOTmNG PROBLEM POINTS CORRECTION CAUSE Wi!l not start 1 Out of fuel t, Fill fuel tank, 2 3 4 5 6, 7, Engine not "CHOKED" properly Engine flooded Bad spark plug Dirty air filter, Dirty fuel filter.
LESHOOTJ TROU PROBLEM CORRECTION CAUSE ,u................... i. Engine continues to run when operator leaves seat with attachment clutch G POMNTS iii , illll Faulty operator-safety ii ,,,ll,,m presence control system. 1 Check wiring, switches and connections, If not corrected, contact an authorized service center depadment t 2 3 Replace blade Tighten blade bott Level mower deck. Clean underside of mower housing 4.
TRACTOR - - MODEL NUMBER 917.256531 SCHEMATIC RED BLACK BATTERY AMMETER t ...... R_ED _ RED RED t RED FUSE 3OAMP STARTER WHITE WHITE t CLUTCH / BRAKE (PEDAL UP) 1 _--'_) I _ ..... J SOLENOID I , BLACK SEAT SWITCH O-_l I ] , i " i-^7.-- t , (NOT OCCUPIED) ',.... ',.....
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.
Rn=PAWR PARTS TRACTOR -- MODEL NUMBER 917.256531 ELECTRICAL KEY NO. PART NO.
REPAUR PARTS TRACTOR CHASSIS - - MODEL NUMBER 917,256531 AND ENCLOSURES 28 12 25 26 52 55 14 54 140 14 40 26 6O 33 10 26 34 57
REPAIR PARTS TRACTOR CHASSIS - - MODEL NUMBER 917.256531 AND ENCLOSURES KEY NO. PART NO.
REPAIR PARTS TRACTOR DRIVE - - MODEL NUMBER 917.256531 51 57 ".
REPAIR PARTS TRACTOR - - I ODF:L NUMBER 917.256531 DRIVE KEY NO. 1 2 3 8 10 15 16 18 19 21 22 24 25 26 27 28 29 30 31 32 34 35 36 37 38 39 40 41 42 44 45 46 47 48 49 50 51 52 53 55 56 57 PART NO.
REPAUR PARTS TRACTOR-STEERING MODEL NUMBER 917.
REPAnR PARTS TRACTOR STEERING -- MODEL NUMBER 917.256531 ASSEMBLY KEY NO. PART NO.
REPAaR PARTS TRACTOR - - MODEL NUMBER 917.256531 SEAT ASSEMBLY 5 KEY NO. PART NO. 1 2 3 4 5 6 7 8 9 10 12 13 14 140123 140551 STD523710 19131610 145006 STD541437 124181X 17490616 19131614 t40552 121246X 121248X 72050411 DESCRIPTION Seat Bracket, Pivot, Seat Bolt Washer t3/32 x 1 x 10 Gauge Clip, Push-ln Hinged Nut Spring, Seat Screw, Thd., Roll. 3/8-16 x 1 Washer 13/32 x I x 14 Gauge Pan, Seat Bracket, Switch Mounting Bushing, Snap Bolt, Carriage 1/4-20 x 1-3/8 KEY NO.
REPAnR PARTS TRACTOR - - MODEL NUMBER 917.256531 23 DECALS 2 9 6 3 18 7 7 18 10 4 5 5 11 22 8 \ 13 12 13 14 17 KEY NO. 1 2 3 4 5 6 7 8 9 10 11 !2 PART NO. 140819 150333 '150683 150684 1499!7 133644 150927 150955 128314 137537 4900J 146046 WHEELS 2 _.._ DESCRIPTION KEY NO. Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, Decal, 13 14 17 18 21 22 23 - ----- Operating instruction Cap Cnsmr Help Line Srs Hood, RH.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.
REPAIR PARTS TRACTOR-- MODEL NUMBER 917.256531 ENGINE KEY NO. PART NO, 1 2 150600 17720410 3 150458 4 13 14 15 16 23 29 31 32 33 35 37 38 137352 272293 13280324 13200300 STD551237 15O554 137180 109202X 123549X 123487X 1749O512 13704O -_- 40 44 I24028X 17490412 46 62 72 78 8t 19091416 STD551131 7"1070512 17490620 128861 DESCRIPTION Control, Throttle Screw, Hex Head, Thread Cutting 1/4-20 x 5!8 Engine, B&S, t5.5Hp Diamond PLTM D 1 TB Model t'4o. 28N707, Type NO.
tFIEPAIRPARTS TRACTOR MOWER - - MODEL NUMBER 917o256531 LIFT 28 27 26 25 24 23 7 8 / 10 / 49 5 /' / / / / 30 13 4 6 6 11 5 12 13 19 13 20 1 32 15 _ 161718 20 19 15 31 44 20
REPAIR PARTS TRACTOR MOWER -- MODEL NUMBER 917.256531 LIFT KEY NO, PART NO.
REPAIR PARTS TRACTOR MOWER - - MODEL NUMBER 917.
REPAUR PARTS TRACTOR MOWER - - MODEL NUMBER 917.25653'1 DECK KEY NO. PART NO.
REPAUR PARTS TRACTOR HYDRO GEAR TRANSAXLE- - - MODEL NUMBER MODEL NUMBER 917.
REPABR PARTS TRACTOR - - MODEL NUMBER 917.256531 t HYDRO GEAR TRANSAXLE - MODEL NUMBER KEY PART NO, NO.
REPAIR PARTS TRACTOR BRIGGS & STRATTON ENGINE - - MODEL NUMBER - MODEL NUMBER 28N707, 917.256531 TYPE NUMBER 0173-01 230 614 230 9 0 _4A @ 634A 3o7 635 337 562 35 '_ REQUIRES SPECIAL TOOLS TO INSTALL. SEE REPAIR INSTRUCTION MANUAL.
REPAIR PARTS TRACTOR BRIGGS & STRATTON ENGINE - - MODEL - MODEL NUMBER NUMBER 917.256531 28N707, TYPE NUMBER 0173-01 127 13S"1_ 9e7 9s 117 634 @ 104 1033 VALVE OVERHAUL KIT t/ 27 _ 0== 15 iiHi H i ill HHI ..................................... I" 125 i@ 52 164 _123 REQUIRES SPECIAL TOOLS TO INSTALL. SEE REPAIR INSTRUCTION MANUAL.
REPAIR PARTS BRIGGS TRACTOR -- MODEL NUMBER ENGINE - MODEL NUMBER 20 842 & STRATTON 3 523 634A 917.256531 28N707, 524 TYPE NUMBER 868 868A 0173-01 467 284A 537 ,._ 171 9_ I,Ul, l,l,I,U_,llll, _ 535 _52 UI J II l lj II Ill I / II iiii ilJlJ 11111 358 GASKET SET uiiui, illll ill Ill llllllllll I I ii i i i i ill 363 138 977 CARBURETOR 137 GASKET SET .
REPAIR PARTS TRACTOR BRIGGS & STRATTON ENGINE - - MODEL - MODEL NUMBER NUMBER 917.256531 28N707, TYPE NUMBER 0173-01 877 209 D='= I,°,°L.°=L =°T ! 2,o os_ l,o58 ow.°.'= =A.U.
REPAnR PARTS. TRACTOR BRIGGS & STRATTON KEY PART NO. NO.
REPAIR PARTS TRACTOR BRIGGS & STRATTON KEY PART NO. NO.
$ERVmCE NOTES 56
NOTES 57
+ , , iiiii, ii iii1,11,,i _l iii_lll_l SERVICE 58 03=E
SUGGESTED GUUDE FOR SIGHTUNG SLOPES FOR SAFE OPERATION SIGHTING "" ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL --. SIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE. ! 15 ° MAX. _ A _i_ _ I!_ _ Operate your Tractor up and down the face of slopes (not greater than 15°), never across the face. Make turns gradually to prevent tipping or loss of control. Exercise extreme i_ caution when changing direction on slopes.
® OWNER'S 15.5 HP ELECTRIC START 42" MOWER AUTOMATIC (HYDROSTATIC) DRIVE LAWN TRACTOR MODEL NO. 917.256531 Each tractor has its own model number.
