Craftsman 917.255551 Owner's Manual
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Craftsman 917.255551 Owner's Manual

Craftsman 917.255551 Owner's Manual

12.5 hp ohv 38" electric mowe start automatic (hydrostatic) drive lawn tractor
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SEARS
OWNER'S
MANUAL
MODEL NO.
917.255551
Caution:
Read and follow
all Safety Rules
and Instructions
Before Operating
This Equipment
[RAFTSMIIN+
12.5 HP OHV
ELECTRIC START
38" MOWE
AUTOMATIC (HYDROSTATIC)
DRIVE
LAWN TRACTOR
• Assembly
• Operation
• Maintenance
• Service and Adjustment
• Repair Parts
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Sears, Roebuck and Co., Chicago, IL 60684 U.S.A.
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Summary of Contents for Craftsman 917.255551

  • Page 1 SEARS OWNER'S MANUAL MODEL NO. 917.255551 [RAFTSMIIN+ 12.5 HP OHV Caution: Read and follow ELECTRIC START all Safety Rules 38" MOWE and Instructions Before Operating AUTOMATIC (HYDROSTATIC) This Equipment DRIVE LAWN TRACTOR • Assembly • Operation • Maintenance • Service and Adjustment •...
  • Page 2 SAFETY RULES PLUGTO PREVENTACCIDENTALSTARTINGWHEN SETI'ING UP,TRANSPORTING,ADJUSTINGOR MAKING CAUTION:ALWAYSDISCONNECT SPARKPLUGWIRE ANDPLACEWIREWHEREIT CANNOTCONTACTSPARK REPAIRS. IMPORTANT SAFETY STANDARDS REQUIRE OPERATOR PRESENCE CONTROLS TO MINIMIZE THE RISK OF INJU RY, YOUR UNIT IS EQUIPPED WITH SUCH CONTROLS. DO NOT ATTEMPT TO DEFEAT THE FUNCTION OF THE OPERATOR PRESENCE CONTROLS UNDER ANY CIRCUMSTANCES. TRAINING: •...

  • Page 3: Customer Responsibilities

    PRODUCT SPECIFICATIONS CONGRATULATIONS on your purchase of a Sears Tractor. It has been designed, engineered and manu- factured to give you the best possible dependability and HORSEPOWER: 12.5 performance. Should you experience any problem you cannot easily GASOLINE CAPACITY: 5 QUARTS remedy, please contact your nearest Sears Service UNLEADED REGULAR Department.
  • Page 4 TABLE OF CONTENTS SAFETY RULES ............OPERATION ............10-13 PROD UCT SPEC! FICATIONS ........3 MAINTENANCE ............14-18 CUSTOMER RESPONSIBILITIES ........ 3 SERVICE AND ADJUSTMENTS ......19-26 WARRANTY ..............STORAGE ..............TABLE OF CONTENTS ..........4 TROUBLES HOOTIN G ..........28-29 INDEX ................
  • Page 5 ACCESSORIES AND ATTACHMENTS iiii i ii These accessories and attachments were available when the unit was purchased. They are atso available at most Sears retail outlets, catalog and service centers. Most Sears stores can order these items for you when you provide the model number of your tractor. ENGINE MAINTENANCE BLADES...
  • Page 6 CONTENTS OF HARDWARE PACK iiiii i Parts Bag contents shown full size Parts packed separately in carton Seat Metal Battery acid Screws (2) Sheet #10-16 x 1/2 (1) Locknut 1/2 - 20 (1) 2-3/8" Dia. Washer Wheel Battery "1 Steering Steering Boot (4) Hex Bolts 5/16-18 x 1...

  • Page 7: Assembly

    ASSEMBLY TOOLS REQUIRED FOR ASSEMBLY INSERT 1/2 - 20 HEX LOCI A socket wrench set will make assembly easier. Standard wrench sizes are listed. 2-1/4" DIA. (1) 5/16" wrench (1) 3/4" wrench (2) 7/16" wrenches Tire pressure gauge (I) 1/2" wrench Screwdriver (1) 9/16"...

  • Page 8: Assembly

    ASSEMBLY HOW TO SET UP YOUR TRACTOR INSTALL SEAT (See Fig. 3) Seat position should be adjusted forward or backward so PREPARE BATTERY (See Fig. 2) thatthe operatorcan comfortably reach clutch/brakepedal and safely operate the tractor. CAUTION: Wear eye and face shield. •...
  • Page 9 ASSEMBLY INSTALL BATTERY (See Figs. 4 & 5) WING TERMINAL GUARD ACCESS DOOR CAUTION: Do not short battery termi- nals. Before installing battery, remove & metal bracelets, wristwatch bands, rings, etc. Positive terminal must be connected first to prevent sparking from acciden- tal grounding.
  • Page 10 OPERATION KNOW YOUR TRACTOR READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TRACTOR Compare the illustrationswith yourtractorto familiarize yourselfwith the locationsof various controlsand adjustments. Save this manual for future reference. ATTACHMENT CLUTCH SWITCH UGHT SWITCH AMMETER LIFT LEVER PLUN(_ER THRO'B'L_CHOKECONTROL CLUTCH!BRAKE PEDAL...
  • Page 11 OPERATION The operation of any tractorcan result inforeign objectsthrown intothe eyes, whichcan resuft in severe eye damage. Always wear safety glasses or eye shieldswhile operating your tractor or performing any adjustments or repairs. We recommend Wide Vision Safety Mask for over the spectacles or standard safety glasses, available at Sears Retail or Catalog Stores.
  • Page 12 OPERATION • If stopping is absolutely necessary, push clutch/brake TO OPERATE MOWER (See Fig. 8) pedal quickly to brake position and engage parking Your unit is equipped with an operator presence sensing brake. switch. Any attempt by the operatorto leave the seat with •...
  • Page 13 OPERATION ruing. TO START ENGINE (See Fig. 7) Drive so that clippings are discharged onto the area When starting engine for the first time or if engine has run that has been cut. Have the cut area to the right of the out of fuel, it will take extra cranking time to move fuel from machine.
  • Page 14 MAINTENANCE CheckBrakeOperation Check:FirePressure !1/' !l/' "Check for LooseI=asteners Sharpen/Replace MowerBlades V#'4 Lubrication Chart Check'Battery LevellRecharge Clean Battery and Terminals Check Transmission Cooling AdjustBlade Bett(s)Tension Adjusi 'MotionDrive Belt(s) Tension ..!_,,, CheckEngine Oil Level ChangeEngine Oil I_ti.s ..E Clean A i!.Filter ..
  • Page 15 MAINTENANCE TRACTOR TO SHARPEN BLADE (See Fig. 11) Always observe safety rules when performing any mainte- Care should be taken to keep the blade balanced. nance. unbalanced blade witlcause excessive vibration and even- tual damage to mower and engine. BRAKE OPERATION •...
  • Page 16 MAINTENANCE FASTENERS TRANSAXLE PUMP FLUID LEVEL (See Figs. 13 & 14) Check fluid level after every 25 hours of use. Rear drawbar must be removed to check fluid level. • Remove the four (4) fasteners to remove the drawbar. • Clean reservoir thoroughly before removing cap.
  • Page 17 MAINTENANCE CLEAN AIR INTAKE/COOLING AREAS (See AIR FILTER FOAM PRE-CLEANER (See Fig. 16) Fig. 16) Your engine will not run properly and may be damaged by using a dirty air filter. Clean the foam pre-cleaner element To insure proper cooling, make sure the grass screen, after every 25 hours of operation, more often if tractor is cooling fins, and other external surfaces of the engine are used in very dusty, dirty conditions.

  • Page 18: Cleaning

    MAINTENANCE ENGINE OIL FILTER (See Fig. 17) IN-LINE FUEL FILTER (See Fig. 18) Replace the engine oilfilter every season or every other oil Fuelfilter shouldbe replaced once each season. Iffuelfilter change if the tractor is used more than 100hours in one becomes clogged, obstructingfuel flow to carburetor, re- year.
  • Page 19 SERVICE AND ADJUSTMENTS CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: Depress clutch/brake pedal fully and set parking brake. Place motion control lever in =NEUTRAL" position. • Place attachment clutch in =DISENGAGED" position. • Turn ignition key "OFF" and remove key. •...
  • Page 20 SERVICE AND ADJUSTMENTS REAR SUSPENSIONARM LIFT LEVER (RAISED POSITION) BOTTOM OF CURL BOTTOM BO'I"rOM ,£ OF CURL OF CURL LIN E FIG. 22 GROUND LINE FIG. 20 NUT"E" REAR REAR SIDE TO SIDE SUSPENSION ADJUSTMENT TRUNNION SUSPENSION_ TRUNNION ,_ _"- NUT "B"...
  • Page 21 SERVICE AND ADJUSTMENTS TO ADJUSTATTACHMENT CLUTCH (See Fig. ROTOR CLUTCH PLATE The electric clutch should provide years of service. The clutch has a built-in brake that stops the pulley within 5 seconds. Eventually, the internal brake will wear so the mower blades willnot stop as recommended.
  • Page 22 SERVICE AND ADJUSTMENTS TO REPLACE MOTION DRIVE BELT (See TO ADJUST BRAKE (See Fig. 26) Figs. 27 and 28) Your unit is equipped with an adjustable brake system which is mounted on the right side of the transaxle. Park the tractor on level surface. Engage parking brake. For ease of service,remove rear drawbar from chassis and If unit requires more than six (6) feet stoppingdistance high speed in highest gear, then brake mustbe adjusted.
  • Page 23 SERVICE AND ADJUSTMENTS TO ADJUST STEERING WHEEL ALIGNMENT TO ADJUST MOTION CONTROL LEVER (See Fig. 29) If steering wheel crossbars are not horizontal (left to right) when wheels are positioned straight forward, remove "NEUTRAL" position of the motion controllever has been steering wheel and reassemble per instructions in the preset at the factory and adjustment should not be neces- Assembly section of this manual.

  • Page 24: Terminals

    SERVICE AND ADJUSTMENTS TO REPLACE FUSE (See Fig. 33) TO START ENGINE WITH A WEAK BATTERY Replace with 30 amp automotive-type plug-in fuse. The (See Figs. 31 & 32) fuse holder is located in the engine compartment, directly in front of the heat shield. CAUTION: Lead-acid batteries gener- ate explosive gases.
  • Page 25 SERVICE AND ADJUSTMENTS TO REMOVE HOOD AND GRILL ASSEMBLY (See Figs, 34 and 35) • Raise hood. HOOD PIVOT ROD • Unsnap headlight wire connector. HINGE BRACKET • Carefully remove springs from hinge brackets. • Stand at side of tractor. Grasp hood, tilt forward and lift off hinge brackets.
  • Page 26 SERVICE AND ADJUSTMENTS ENGINE High speed stop is factory adjusted. Do not adjust - damage may result. TO ADJUST THROTTLE CONTROL CABLE (See Fig. 36) The throttle control has been preset at the factory and IMPORTANT: NEVER TAMPER WITH ENGINE adjustment shouldnot be necessary.

  • Page 27: Replacement

    STORAGE Immediately prepare your tractor for storage at the end of ENGINE the season or ifthe unit will not be used for 30 days or more. FUEL SYSTEM IMPORTANT: IT lS IMPORTANT TO PREVENT GUM DEPOSITS FROM FORMING IN ESSENTIAL FUEL CAUTION: Never store the tractor with SYSTEM PARTS SUCH AS CARBURETOR, FUEL FILTER,...

  • Page 28: Carburetor

    TROUBLESHOOTING POINTS CAUSE CORRECTION PROBLEM Fill fuel tank, Will not start Out of fuel. Engine not =CHOKED" properly. See TO START ENGINE in operation section. Engine flooded. Wait several minutes before attempting to start. Bad spark plug, Replace spark plug. Dirty air filter.

  • Page 29: Motion Control Lever

    TROUBLESHOOTING POINTS CORRECTION PROBLEM CAUSE _ul_ operato_safe_ presence _ntml system. Check wiring, switches and connections, If not Engine continues to run corrected, contact Sears Service Department. when operator leaves seat with attachment clutch engaged 1. Replaceblade. "lqghten b ladebolt. Poor cut-uneven Worn, bent or _oose blade.
  • Page 30 SERVICE NOTES...
  • Page 31 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 SCHEMATIC BATTERY FUSE 30 AMP. WHITE AMMETER STARTER & WHITE SOLENOID WHITE o4----- TI LLE R ATTACHMENT CONNECTOR IGNITION • f"_l SWITCH ..I ..I CLUTCH/BRAKE ,-=F, ..E (DISENGAGED} (PEDAL UP) I ;...
  • Page 32 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 ELECTRICAL 37-- 27 28...
  • Page 33 REPAIR PARTS 12,5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 ELECTRICAL PART DESCRIPTION PART DESCRIPTION 7662J Bulb, Light 121422)( Ammeter 127441 Harness, Light Socket 7192J Tie, Cable 108824X Fuse, 30 Amp 123198X Nut, Wing 1/4-20 109748X Relay 4799J Cable, Battery 1107t2X...
  • Page 34 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 CHASSIS...
  • Page 35 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 CHASSIS PART DESCRIPTION PART DESCRIPTION PART DESCRIPTION 126626X Seat 19091416 Washer 9/32x7i8x16Ga. #10-32 x 1/2 4171 R 17490612 Screw, Hex, Washer Hd. Thrd. 122933)( Rivet, Ratchet, Nylon Clip, Insulated Roll 3/8-16 x 3/4 126842X...
  • Page 36 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 DRIVE 40 G...
  • Page 37 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 DRIVE PART DESCRIPTION PART DESCRIPTION 13200300 Elbow, 90 ° 3/8-18 NPT STD571810 * Pin, Roll 3/16 x 1 13280336 Nipple, Pipe 7733J Cap, Plunger Rod, Brake, Park 126784X Engine 12.5 HP Model No.
  • Page 38 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 STEERING AND FRONT AXLE...
  • Page 39 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 STEERING AND FRONT AXLE PART DESCRIPTION PART DESCRIPTION 126532X Dash 105669X Axle, Front 74180512 Screw, Truss Head 5/16-18 x 3/4 110438X Spacer, Bearing, Front Axle Locknut, Flange 5/18-16 STD541431 *Nut, Keps 5/16-18 73601000...
  • Page 40 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 LIFT ADJUSTMENT...
  • Page 41 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917,255551 LIFT ADJUSTMENT PART DESCRIPTION PART DESCRIPTION 126971X Rod, Lift, Adjustment 4939M Retainer, Spring 126652X Knob, Height Adjust 110029X Link, Lift STD541237 * Nut, Hex, Jam 3/8-16 110447X Trunnion, Lift 19131016 Washer 13!32x5i8x...
  • Page 42 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 38" MOWER "E"...
  • Page 43 REPAIR PARTS 12,5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 38" MOWER PART DESCRIPTION PART DESCRIPTION 121687X 106085X V-Belt Mandrel Assembly 100668L 121458X Housing Plate, Support Mandrel 17490620 Screw, Hex Washer Hd. Thrd. Roll 8417J Runner, R.H. 3/8-16 x 1-1/4 STD541437 *Nut, Lock 3/8-16...
  • Page 44 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 TRANSAXLE AND PUMP ASSEMBLY PART DESCRIPTION 19092016 Washer 9/32x I-1/4 x 16 Gauge STD551125 * Washer, Lock, Heavy Helical Spring * Washer, Lock STD55113I 121188X Bracket, Pnt. Mounting, Differential STD522507 * Bolt, Hex 1/4 - 20 UNC x 3/4 126578X...
  • Page 45 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 SUNDSTRAND PUMP ASSEMBLY MODEL NUMBER BDU-10S _,59 OVERHAUL SEAL KIT COMPLETE "L/60 PUMP ASSEM BLY r DESCRIPTION PART DESCRIPTION PART 122756X I27150X Block Kit, Cylinder (MOTOR) Shaft, Pump 122716X I27151X * Ring, Retaining...
  • Page 46 REPAIR PARTS 12.5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 AGRI-FAB TRANSAXLE MODEL NUMBER 486.121431X SELECTIVE (2o oz.) l SHELL DURINA-O GREASE I...
  • Page 47 REPAIR PARTS 12,5 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255551 AGRI-FAB TRANSAXLE MODEL NUMBER 486.121431X PART DESCRIPTION PART DESCRIPTION 123065X 122614X Housing, Half L.H. Key, Hi-Pro 3/16 x 5/8" 122666X 122615X Housing, Half R.H. Screw, Hex 1/4-20 x 1.50 122616X Axle L.H.
  • Page 48 REPAIR PARTS 12.5 HP 38" RIDING TRACTOR - - MODEL NUMBER 917.255551 ENGINE KOHLER - MODEL NUMBER CV12.5S, TYPE NUMBER 1438 AIR INTAKE/FILTRATION 12 341 01 Knob, air cleaner cover 12 096 06 Cover, air cleaner 12 100 01 Wing nut X-25-63 Washer, plain 1/4 12 083 08...
  • Page 49 REPAIR PARTS 12.5 HP 38" RIDING TRACTOR - - MODEL NUMBER 917.255551 ENGINE KOHLER - MODEL NUMBER CV12.5S, TYPE NUMBER 1438 ._./2 BLOWER HOUSING & BAFFLES Screw, mounting M5 x 0.8 x 10(14) SM-0545010 Plate, blower housing 12 146 01 Baffle, cylinderbarrel 12 063 01 Cover, starter...
  • Page 50 REPAIR PARTS 12.5 HP 38" RIDING TRACTOR - - MODEL NUMBER 917.255551 ENGINE KOHLER - MODEL NUMBER CV12.5S, TYPE NUMBER 1438 CRANKSHAFT 12 01402 Crankshaft FU EL SYSTEM 12 853 01 Kit, carburetor w/gaskets (Includes 12 089 09 Spring, idle fuel 6,7,14-29) 12 146 03 Plate, throttle...
  • Page 51 REPAIR PARTS 12.5 HP 38" RIDING TRACTOR - - MODEL NUMBER 917.255551 ENGINE KOHLER - MODEL NUMBER CV12.5S, TYPE NUMBER 1438 STARTING SYSTEM Screw, bendix starter M8 x 1/25 x SM-0839065 65.5 (2) 12 468 01 Washer (2) 12 098 05 Starter assembly (Includes 4-10) 1275512 Kit, drive (Includes 5)
  • Page 52 REPAIR PARTS 12.5 HP 38" RIDING TRACTOR -- MODEL NUMBER 917.255551 ENGINE KOHLER - MODEL NUMBER 0V12.5S, TYPE NUMBER 1438 EXHAUST M-0829036 Stud, exhaust manifold M8 x 1.25x 20 (2) 12 041 03 Gasket, exhaust manifold SM-0841080 Nut, muffler mtg M8 x 1.25 (2) 12 126 11 Bracket, muffler 12 445 01...
  • Page 53 REPAIR PARTS 12.5 HP 38" RIDING TRACTOR - - MODEL NUMBER 917.255551 ENGINE KOHLER - MODEL NUMBER CV12.5S, TYPE NUMBER 1438 CYLINDER HEAD/VALVE/BREATHER 12 318 01 Head, cylinder 12 326 03 Hose, breather 12 351 01 Lifter, valve (2) SM-0645020 Screw, valve cover M6 x 1.0 x 20 12 411 01 Rod, push (2)
  • Page 54 SERVICE NOTES...
  • Page 55 SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL SIGHTING GUIDE "U SIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE. IIIIII|IU Operate your Tractor up and down the face of slopes (not greater than 15°) never across the face.
  • Page 56 [RI:IFTSMI:IN ° 12.5 HP OHV OWNER'S ELECTRIC START MANUAL 38" MOWER AUTOMATIC (HYDROSTATIC) DRIVE LAWN TRACTOR MODEL NO. 917.255551 Each tractor has its own model number, Each engine has its own model number. The model number for your tractor will be found on the model plate located under the seat.

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