S_AR$ OFTgHnN° MODEL NUMBER 917.251490 OWNER'S MANUAL • Assembly • Operation • Customer Responsibilities • Service and Adjustments • Repair Parts _UTION: Read and follow all safety rules and instructions before operating this equipment.
SAFETY RULES A 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 tN SERIOUS _NJURY OR DEATH. I. • • • • GENERAL OPERATION III. CHILDREN Read, understand, and follow all 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. Should you experience any problem you cannot easily remedy, please contact your nearest Sears Authorized Service Center/Department Department. We have competent, well-trained technicians and the proper tools to service or repair this tractor. Please read and retain this manual.
TABLE OF CONTENTS SAFETY RULES ............................................................ 2 PRODUCT SPECIFICATIONS ...................................... 3 CUSTOMER RESPONSIBILITIES ..................... 3, 17-20 WARRANTY .................................................................. 3 TRACTOR ACCESSORIES .......................................... 5 ASSEMBLY ............................................................. 7-10 OPERATION ..........................................................
ACCESSORIES AND ATTACHMENTS 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 PERFORMANCE Sears offers a wide variety of attachments that fit your tractor.
I CONTENTS Parts Bag contents OF HARDWARE shown full size PACK Parts packed separately in carton (1) Shoulder Bolt 5/16-18 m Seat (1) Knob F-1 -- © (1) Washer Video Mulcher Plate Steering Wheel Cassette 17/32 x 1-3/16 x 12 Gauge (2) Screws #10 x 5/8 (2) Lock Washers #10 Manual Parts bag contents (2) Weld Nuts #10 i_ (2) Washers Parts Bag not shown full size 3/16 x 3/4 x 16 Gauge (2) Washers 3/8 x 7/8 x 14 Gauge (2) Shoulder Bolts I \ /V_/ j/ _///(2) Gauge Wheels G(2) Centerlock N
ASSEMBLY 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 REQUIRED FOR ASSEMBLY A socket wrench set will make assembly easier. Standard wrench sizes are listed.
ASSEMBLY HOW TO SET UP YOUR TRACTOR CONNECT BA'n'ERY SEAT (See Fig. 3) Adjust seat before tightening adjustment knob. (See Fig. 2) • Remove cardboard packing on seat pan, CAUTION: Do not short battery terminals. Before connecting battery, remove metal bracelets, wristwatch bands, rings, etc. • Place seat on seat pan and assemble shoulder bolt. • Assemble adjustment knob and flat washer loosely. Do not tighten. • Tighten shoulder bolt securely.
ASSEMBLY INSTALL MOWER AND DRIVE BELT 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. (See Figs. 4 and 7) Be sure tractor is on level surface and mower suspension arms are raised with attachment lift control, Engage parking brake.
ASSEMBLY INSTALL • MULCHER PLATE (See Figs. 5 and 6) DEFLECTOR SHIELD Install two latch hooks to mulcher plate using screw, washer, lock washer, and weed 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 mulcher 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 tractor or in literature supplied with the product. Leam and understand they meaning.
I OPERATION 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 location of various controls and adjustments. Save this manual for future reference.
OPERATION The operation in severe eye or performing spectacles or 3A_IY I of any tractor can result in foreign objects thrown into the eyes, which can result damage. Always wear safety glasses or eye shields while operating your tractor any adjustments or repairs. We recommend a wide vision safety mask over the standard safety glasses.
OPERATION TO OPERATE ON HILLS TO ADJUST GAUGE WHEELS (See Fig. 9) Adjust gauge wheels with tractor on a flat level surface. • Adjust mower to desired cutting height (See 'qO ADJUST MOWER CUFFING HEIGHT" in the Operation section of this manual). • With mower in desired height of cut position, gauge wheels should be assembled so they are slightlyoff the ground. Install gauge wheel in appropriate hole with shoulder bolt, 3/8 washer, and 3/8-16 Iocknut and tighten securely.
OPERATION BEFORE STARTING CHECK ENGINE THE ENGINE OIL LEVEL (See TO START ENGINE (See Fig. 8) When starting engine for the first time or if engine has run out of fuel, itwill take extra cranking time to move fuel from the tank to the engine. Fig. 12) • The engine in your tractor has been shipped, from the factory, already filled with summer weight oil. • Depress clutch/brake pedal and set parking brake. • Check engine oil with tractor on level ground.
OPERATION NOTE: During this procedure there will be no movement of drive wheels. The air is being removed from hydraulic drive system. • Move motion control lever to neutral (N) position. Shutoff engine and set parking brake. • Engage transmission by placing freewheel control in driving position (See "TO TRANSPORT" in this section of manual). • Sitting in the tractor seat, start engine. After the engine is running, move throttle control to half (1/2) speed.
CUSTOMER RESPONSIBILITIES MAI.TENANCE SC.EDULE FILL IN DATES ._ O.eo O.eOoer.,o. CheckTire Pressure 1" R Checkfor LooseFasteners Sharpen/ReplaceMowerBlades _ V'7 V' V'4 v' LubricationChart T Check BatteryLeveVRecharge Clean Batteryand Terminals R CheckTransaxleCooling V' V' AdjustBlade Belt(s)Tension V'5 Adjust MotionDriveBelt(s)Tension VWs Check EngineOil Level Change EngineOil I_ V* Ik1. _1.2.
CUSTOMER RESPONSIBILITIES TRACTOR TO SHARPEN Always observe safety rules when performing any maintenance. Care should be taken to keep the blade balanced. An unbalanced blade will cause excessive vibration and eventual damage to mower and engine. BRAKE • The blade can be sharpened with a file or on a grinding wheel. Do not attempt to sharpen while on the mower. • To check blade balance, you will need a 5/8" diameter steel bolt, pin, or a cone balancer.
CUSTOMER TRANSAXLE RESPONSIBILITIES COOLING TO CHANGE ENGINE OIL (See Fig.17) 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 cooling. Do not attempt to clean fan or transmission while engine is running or while the transmission is hot. To prevent possible damage to seals, no not use high pressure water or steam to clean transaxle.
CUSTOMER ENGINE COOLING FINS (See RESPONSIBILITIES Fig. 18) Remove any dust, dirt or oil from engine cooling fins to prevent engine damage from overheating. Engine blower housing must be removed. Remove side panels and hood (See"TO REMOVE HOOD AN D GRILL ASSEMBLY" inthe Service and Adjustments section of this manual.) COVER __""'-- WING NUT CARTRIDGE__ FOAM AIR SCREEN __ PLATE PRE-CLE_ SEAL _ COOLING FINS (BOTH SIDES) CARTRIDGE G FIG.
SERVICE AND ADJUSTMENTS CAUTION: _ • • TO REMOVE BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: Place motion control lever in neutral (N) position. Depress Place attachment clutch/brake clutch pedal in "DISENGAGED" fully and set parking position. brake. 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. MOWER TO LEVEL MOWER (See Fig.
SERVICE AND ADJUSTMENTS 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 BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-SIDE. MOWER DRIVE BELT MOWER DRIVE BELT REMOVAL (See Fig. 25) • Park tractor on a level surface. Engage parking brake. • Remove four screws from L.H. mandrel cover and remove cover.
SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE DRIVE NOTE: After installing a new electric clutch, run tractor at full throttle and engage and disengage electdc clutch 10 cycles to wear in clutch plate. BELT (See Fig. 26) Park the tractor on level surface. Engage parking brake. • Removemowerddvebelt(See"TOREPLACEMOWER DRIVE BELT" in this section of this manual). • Remove mower (See "TO REMOVE MOWER" in this section of this manual). • Remove four screws from R.H. mandrel cover and remove cover.
SERVICE AND ADJUSTMENTS TO REPLACE (See Fig. 29) MOTION DRIVE BELT TO ADJUST Park the tractor on level surface. Engage parking brake. For ease ofservice there is a belt installationguide decal on bottom of left footrest. • Engage parking brake (creates slack in belt). Remove belt from clutching and fan idler pulleys. • Remove belt from transaxie pulley. • Remove belt from engine pulley and front V-idler pulley. Pull belt out of all belt keepers and remove from tractor.
SERVICE AND ADJUSTMENTS FRONT WHEEL TOE-IN ADJUSTMENT Front wheel toe-in is required for proper steering operation, Toe-in was set at the factory and adjustment should not be necessary. If parts in the front axle or steering mechanism have been replaced or damaged, check toe-in and adjust if necessary. TO CHECK TOE-IN (See Fig. 31) • Position front wheels straight ahead. • • FIG. 33 Measure distance between wheels at front and rear of tires (dimensions "A" and "B").
SERVICE AND ADJUSTMENTS TO REPLACE HEADLIGHT BULB • Raise hood. • Pull bulb holder out of the hole in the backside of the gdll. • Replace bulb in holder and push bulb holder securely back into the hole in the backside of the grill. Close hood. • ADJUSTMENT SPRING BUSHING INTERLOCKS AND RELAYS ATrACHMENT LIFTSPRING JAMNUT Loose or damaged wiring may cause your tractor to run poorly, stop running, or prevent it from starting. • Check wiring.
SERVICE AND ADJUSTMENTS ENGINE ACCELERATION TEST- TO ADJUST THROTTLE (See Figs. 37 & 38) • CONTROL CABLE The throttle control has been preset at the factory and adjustment should not be necessary. Check adjustment as described below before loosening cable. If adjustment is necessary, proceed as follows: • With engine not running, move throttle control lever to fast (,_) position. • Check that speed control lever is against stop screw.
STORAGE ENGINE Immediately prepare your tractor for storage at the end of the season or if the tractor will not be used for 30 days or more. 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.
TROUBLESHOOTING PROBLEM CAUSE Will not start 1. Out of fuel. 2. 3. 4. 5. 6. 7. Engine not"CHOKED" Engine flooded. Bad spark plug. Dirty air filter. Dirty fuel tilter. Water in fuel. POINTS CORRECTION properly. 1. Fi!l fuel tank. 2. 3. 4. 5. 6. 7. See "TO START ENGINE _ in Operation secfion. Wait several minutes before attempting to start. Replace spark plug. Clean/replace air tilter. Replace fuel filter. Drain fuel tank and carburetor, refill tank with fresh 8. 9. 10. Looseor damaged widng.
TROUBLESHOOTING PROBLEM CAUSE POINTS CORRECTION 1. Faulty operator-safety presence control system. 1. Check widng, switches and connections. If not corrected, contact an authorized service center/ department. 1. 2. Worn, bent or loose blade. Mower deck not level. 1. 2. Replace blade. Tighten blade bolt. Level mower deck. 3. 4. Buildup of grass, leaves, and trash under mower. Bent blade mandrel. 5. Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels. 3. 4. 5.
TRACTOR - - MODEL NUMBER 917.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251490 ELECTRICAL 22 42 I\ 19 33 20 i....
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251490 ELECTRICAL KEY NO. PART NO.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.
REPAIR PARTS TRACTOR CHASSIS KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 !8 19 20 21 22 24 26 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 - - MODEL NUMBER 917.251490 AND ENCLOSURES PART NO.
REPAIR PARTS GROUND DRIVE TRACTOR - - MODEL NUMBER 917.
REPAIR 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 61 64 65 66 67 68 - - MODEL NUMBER 917.251490 DRIVE PART NO.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.
REPAIR PARTS TRACTOR STEERING - - MODEL NUMBER 917,251490 ASSEMBLY KEY NO. PART NO.
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REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251490 ENGINE KEY NO. PART NO.
REPAIR PARTS TRACTOR 46" MOWER - - MODEL NUMBER 917.
REPAIR PARTS TRACTOR 46" MOWER KEY NO. PART NO. 1 3 5 6 8 9 10 145008 138457 4939M 130832 850857 10030600 140296 11 12 13 145708 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 73680500 134753 131267 105304X 149287 110452X 145325 1911T016 131491 138776 129963 129207 137266 144945 17490628 19131316 131494 - - MODEL NUMBER 917.251490 DECK KEY NO. DESCRIPTION Deck Asm., Mower 46" Bracket Asm.
REPAIR PARTS TRACTOR -- MODEL NUMBER 917.251490 SEAT ASSEMBLY I i 18 19 12 21 I 3 KEY NO. 1 2 3 4 5 6 7 8 10 12 13 14 PART NO. 140124 140551 140675 127018X 145006 73680600 124181X 150176 140552 121246X 121248X 72050411 KEY NO. DESCRIPTION Seat Bracket, Pivot Seat Strap, Fender Bolt, Shoulder 5/16-18 X .
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251490 DECALS 18 6 3 15 7 15 9 7 4 21 13 20 5 24 11 12 17 14 KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PART NO.
REPAIR PARTS TRACTOR -- MODEL NUMBER 917.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251490 LIFT ASSEMBLY KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 PART NO. 121006X 145542 121002X 12000022 19292016 74780624 125631X 122365X 122364X 2876H 146704 3146R 139868 140302 73680600 674A247 73350600 143363 19131316 5328J 74760616 127218 4939M DESCRIPTION Rod Asm., Lever Shaft Asm., Lift Vgt Lever Asm., Lift Rh E-Ring Truarc #5133-87 Washer 29/32 x 1-1/4x 16 Ga. Bolt, Fin Hex 3/8-16 x 1-1/2 Grip, Handle Fluted Button,.
REPAIR PARTS TRACTOR HYDRO GEAR TRANSAXLE - - MODEL NUMBER - - MODEL NUMBER 917.
REPAIR PARTS TRACTOR HYDRO GEAR TRANSAXLE KEY PART NO. NO. 1 2 16 20 21 22 33 35 36 37 38 39 40 41 42 43 45 46 47 49 63 64 142874 142875 142876 142877 142878 142879 142929 142880 142882 142883 142884 142885 142886 142887 142888 142889 142890 142891 142892 142893 142894 142896 65 67 68 69 70 71 142897 142898 142899 142900 142901 142902 - - MODEL NUMBER - - MODEL NUMBER DESCRIPTION Assembly, Housing, LH Assembly, Housing, RH Brake Shaft Assembly Axle Mounting Horn Assembly Washer 1.0 x 1.63 x.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251490 HYDRO GEAR PUMP - MODEL NUMBER BU-10L-118 KEY PART NO. NO. 1 2 3 4 5 6 8 12 13 14 15 17 19 21 22 23 144569 122716× 122745X 122715X 122700X 122699X 122767X 122717X 122748X 122749X 144571 122770X 144572 122722X 144573 142978 KEY PART NO. NO.
REPAIR PARTS TRACTOR KOHLER ENGINE AIR INTAKE - MODEL I NUMBER - - MODEL NUMBER 917.251490 MV18S, TYPE NUMBER 58560 BAFFLES AND SHROUD I I I _J --5 % / I 6 / 4 2 3 / BREATHER AND VENT I 10 --11 _--12 18 _/ ..
REPAIR PARTS TRACTOR KOHLER ENGINE - MODEL NUMBER - - MODEL NUMBER 917.251490 MV18S, TYPE NUMBER 58560 BAFFLES & SHROUD 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 231032 52 082 04 45 083 01 45 083 02 237423 X-67-98 11 12 13 14 15 52 201 06 277093 52 054 39 X-25-79 X-50-37 16 X-50-57 17 X-22-9 18 25041 06 DESCRIPTION KEY PART NO. NO.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.251490 KOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER 58560 CRANKCASE I 4 1D-- 14 15 \ 12 s 4 CARBURETOR J 9 / 10 19 m 13 7 O/_ 14 @_ _--- _', 5 I w 11 53 12 • / 16 35 3.
REPAIR PARTS TRACTOR KOHLER ENGINE - MODEL NUMBER - - MODEL NUMBER 917.251490 MV18S, TYPE NUMBER 58560 CARBURETOR CRANKCASE KEY PART NO. NO. 1 2 3 X-82-2 52 468 12 82 755 16 4 5 6 7 8 5201605 52 031 01 52 316 06 52 755 50 52 072 12 9 10 11 12 13 25 086 12 X-269-43 52 078 05 52 030 10 52 030 11 52 030 12 25 086 10 14 2508613 15 16 17 52 141 02 5213908 25 086 11 18 19 5203210 82 755 17 20 --- DESCRIPTION KEY PART NO. NO.
REPAIR PARTS TRACTOR KOHLER ENGINE CRANKSHAFT - MODEL NUMBER - - MODEL NUMBER 917.
REPAIR PARTS TRACTOR KOHLER ENGINE - MODEL NUMBER - - MODEL NUMBER 917.251490 MV18S, TYPE NUMBER 58560 ELECTRIC STARTER CRANKSHAFT KEY PART NO. NO. 1 2 52 52 52 52 014 468 468 468 DESCRIFRON 93 03 04 05 5209812 Crankshaft Washer, Thrust .119/.122 (A.R.) Washer, Thrust .128/. 131 Washer, Thrust .137/.140 (A.R.) 2 3 4 5 6 7 8 9 DIPSTICK KEY PART NO. NO.
REPAIR PARTS TRACTOR KOHLER ENGINE - MODEL NUMBER - - MODEL NUMBER 917.251490 MV18S, 58560 GOVERNOR TYPE NUMBER FUEL PUMP J @ 1 \ 27.
REPAIR PARTS TRACTOR -- MODEL NUMBER 917.251490 KOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER 58560 FLYWHEEL FUEL PUMP KEY PART NO. NO. DESCRIPTION 1 2 25 162 01 25 086 21 3 4 5 6 7 8 25 112 04 2515701 25 086 24 52 488 15 X-286-17 52 025 36 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 1-1/4 Washer, Plain Key, Square 3/16 x 7/8 Flywheel GOVERNOR KEY PART NO. NO.
REPAIR PARTS TRACTOR - - MODEL NUMBER 917.
REPAIR PARTS TRACTOR KOHLER ENGINE - MODEL NUMBER - - MODEL NUMBER 917.251490 MV18S, TYPE NUMBER 58560 OIL PAN LOW OIL PRESSURE SWITCH KEY PART NO. 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. Plug, Square Head 3/8 N.P.T.F.
SERVICE NOTES 61
SERVICE NOTES I 62
SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION SIGHTING ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL SIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE. 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 caution when changing direction on slopes.
CRAFTS OWNER'S MANUAL 18.5 HP TWIN CYLINDER ELECTRIC START 46" MOWER HYDROSTATIC (AUTOMATIC) GARDEN TRACTOR MODEL NO. 917.251490 Each tractor has its own model number. its own model number. Each engine has The model number for your tractor will be found on the model plate located under the seat. The model number for your engine will be found on the blower housing of the engine.
