SEARS ® MODEL NUMBER 91 7.252711 MANUAL ® Assembly Operation Customer Responsibilities Service and Adjustments Repair Parts CAUTION: Read and follow FOR CONSUMER all safety ASSISTANCE rules and instructions Convertible before operating HOT LINE, CALL THIS TOLL FREE NUMBER: this equipment.
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 tN SERIOUS INJURY OR DEATH. L • , • • • • • • , o • • = II. GENERAL OPERATION 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.
CONGRATULATIONS on your purchase of a Sears tractor. It has been designed, engineered and manufactured to give you the best possible dependability and performance. PRODUCT Should you experience any problem you cannot easily remedy, please contact your nearest Sears Service Center/Department. We have competent, well-trained technicians and the proper tools to service or repair this tractor. Please read and retain this manual The instructions will enable you to assemble and maintain your tractor properly.
TABLE OF _AIN_['ENANCE SERVICE SC_ED,_J A_ A_JUST_E_TS LE ..................................... ........................... STORAGE .................................................................... TROUBLESHOOTING ............................................ REPAIR PARTS o TRACTOR ................................. REPAIR PARTS o ENGINE ...................................... PARTS ORDERiNG/SERViCE ................ BACK 17 21 _27 28 29-30 32-49 50-55 COVER NDE× A Accessories ......................
ACCESSOR! AND ATTACH 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 MAaNTENANCE GAS CAN ENGINE OIL FUEL STABILIZER A_RFILTER 8LADES BELTS PERFORMANCE Sears offers a wide variety of attachments that fit your tractor. you.
CONTE Parts Bag contents rl F shown fu_ size Parts packed separately in carton (1) Shoulder Bolt q 5/16 t8 Seat Video Cassette i/ (1) Knob Steering Whee! Mulcher Plate (!) Washer 17/32 x 1-3/16 x t2 Gauge .......................... @ (2) Screws #!0 x 5/8 (2) Lock Washers I Manual Parts Bag #10 Parts bag contents _.
BLY Your new tractor has been assembled at the factory with exception of those parts left unassembted for shipping purposes To ensure safe and proper operation of your tractor, all parts and hardware you assemble must be tightened securely. Us_ the correct tools as necessary to insure proper tightness. TOOLS REQUIRED FOR ASSE_BLY -._. _ A socket wrench set will make assembly easier. Standard wrench sizes are listed.
E CONNECT BATTERY (See Fig. 2) INSTALL CAUTION: Do not short battery terminals° Before connecting battery, remove metal braceaets, wristwatch bands_ rings, etc° Positive termina_ must first to prevent sparking tal grounding. be connected from accideno Lift hood to raised position. , Open terminal access doors, remove terminal protective caps and discard.
CHECK T_RE PRESSURE ASSEMBLE The tires on your tractor were overinflated at the factory for shipping purposes. Correct tire pressure is important for best cutting performance° DECK FOR POSITION • With mower in desired height of cut position, gauge wheels should be assembled so they are slightly off the ground. Install gauge wheel in appropriate hote with shoulder bolt, 3/8 washer, and 3/8-16 Iocknut and tighten securely. Repeat for opposite side installing gauge wheel in same adjustment hole.
iNSTALL MULCHER PLATE TO CONVERt DISCHARGING (See Figs° 5 and 6) Install two latch hooks to muicher plate using screw, washer, lock washer, and weld nut as shown. NOTE: Preoassembte weld nut to latch hook by inserting weld nut from the top with hook pointing down. o Tighten hardware securely, Raise and hold deflector shield in upright position, Place front of mulcher plate ever front of mower deck opening and slide into place, as shown.
P These symbols may appear on your tractor or in literature supplied with the product, Learn and understand their meanin!, BATTERY CAUTION OR WARNING REVERSE FORWARD FAST SLOW ENGINE ON ENGINE OFF OIL PRESSURE CLUTCH LIGHTS ON LIGHTS OFF MOWER HEIGHT DIFFERENTIAL LOCK PARKING BRAKE LOCKED UNLOCKED IX FUEL CHOKE L REVERSE MOWER LIFT NEUTRAL ATTACHMENT CLUTCH ENGAGED HIGH LOW PARKING BRAKE ATTACHMENT CLUTCH DISENGAGED HYDROSTATIC DANGER, KEEP HANDS AND FEET AWAY IGNmON FREE WHEEL
KNOW YOUR TRAC fOR READ TH_S OWNER°S MANUAL AND SAFE°_ RULES BEFORE OPERAT#_G YOUR TRACTOR Compare the illustrations with your tractor to familiarize yourself with the bcatiens of var ous controls and adjustments. this manual for future reference. AMMETER CHOKE ATTACHMENT SWITCR CONTROL, " ............
PE The operation of any tractor can resuRt in foreign objects thrown into the eyes, which can result in severe eye damage. A_ways wear safety glasses or eye shietds while operating your tractor or performing any adjustments or repairs. We recommend a wide vision safety mask over the spectacles or standard safety glasses.
TO OPERATE MOWER (See Fig. 9) Slowly move motion control lever to slowest setting° '_our 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 will shut off the engine_ o o o When pushing or towing your tractor, be sure to disengage transmission by placing treewhee! controf in freewheeling position. Free wheet centre! is located at the rear drawbar of tractor. Make all turns slowly.
OPERATION ADD GASOUNE PURGE TRANSMISSION o Fill fuel tank. Use fresh, clean, regular unleaded gasoline. (Useof leaded gasolinewill increasecarbon and lead oxide deposits and reduce valve life). mMPORTANT: WHEN OPERATING IN TEMPERATURES BELOW32°F(0°C), USE FRESH, CLEAN WINTER GRADE GASOLINE TO HELP INSURE GOOD COLD WEATHER STARTING. & o , Sitting in the tractor seat, start engine. After the engine is running, move throttle control to slow (,,_) position.
t OW NG T PS MULCHING o • • TNPS _MPORTANT': FOR BEG"[ PERFORMANCE, KEEP MOWER HOUSING FREE OF BUILT-.UP GRASS AND TRASH. CLEAN AFTER EACH USE. Tire chains cannot be used when the mower housing is attached to tractor. o MOWING 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 trimruing.
CU LINES MAINTENANCE SCHEDULE FILL iN DATES AS YOU COMPLETE REGULAR SERVICE TI Rt A C T 0 R SERVUCE DATES Check Brake Operation Check Tire Pressure Cheek for Loose Fasteners Sharpen/Replace Lubrication Check Mower Blades Chart Battery, Level/Recharge Clean Battery and Terminals Check Transaxle Adjust Blade Belt(s) Tension Adjust Motion Drive Belt(s) Tension Check Engine Change E_ NI.
CU E ES 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 even° tual damage to mower and engine. BRAKE OPERATION tf tractor requires more than six (6) feet stopping distance at hgh speed in highest gear, then brake must be adjusted. (See "TO ADJUST BRAKE" in the Service and Ad}ustments section of this manua0. o BLADE NOTE: Do not use a nail for balancing blade.
CUSTO TRANSAXLE RESPONSnBmLmES COOLING TO CHANGE ENGINE OIL (See Figs. 15 and 16) The fan and cooling fins of transmission clean to assure proper cooling. Determine temperature range expected before oil chang_ All oil must meet API service classification SF or SG. should be kept Do not attempt to clean fan or transmission while engine is running or while the transmission is hoL tnspect cooling fan to be sure fan blades are intact and clean.
"TO SERVICE PRE_CLEANER ENGINE Slide foam pre-cleaner off cartridge. o Wash it in liquid detergent and water. o Squeeze it dry in a clean cloth, Replace the engine oil filter every season or every other oil change if the tracter is used more than 100 hours in one year. o Saturate it in engine off. Wrap it in clean, absorbent cloth and squeeze to remove excess oil TO SERVICE CARTRIDGE o OIL F_LTER Gently tap the flat side of the paper cartridge to diso_ lodge dirt.
E CAUTION: BEFORE PERFOFIMING ANY SERVICE OR ADJUSTMENTS: ® Depress , , Place motion contre_ iever in neutral (N) position. Place attachment clutch in "DISENGAGE[}" position. Turn ignitien key "OFF" and remove key. Make sure the blades and aH moving parts have comp_etemy stopped, ® , TO REMOVE clutch/brake Disconnect pMug° MOWER pedaJ fully and set parking brake, spark plug wire from spark plug and place wire where it cannot come in contact with (See Fig.
D TO LEVEL MOWER HOUSING FRONT°TO-BACK Adjust the mower while tractor is parked on level ground or driveway. Make sure tires are properly inflated (See "PRODUCT SPECIFICATIONS" on page 3 of this manual). if tires are over or undednfiated, you wiJtnot properly adjust your mower,. SJDE.-TOoSIDE ADJUSTMENT Raise mower to its highest position. o At the midpoint of both sides of mower, measure height from bottorn edge of mower to ground.
TO REPLACE (See Fig, 25) MOWER BLADE TO ADJUST DRIVE BELT The mower b!ade drive belt may be replaced without tools. Park the tractor on level surface. Engage parking brake. Remove mower from tractor (See "TO REMOVE MOWER" in this section of this manual). Work bett off both mandrel pulleys and idler pulleys. o o Depress clutch/brake pedal and engage parking brake. o Measure distance between brake operating arm and nut "A" on brake rod.
A TO REPLACE _See Fig. 27} MOTION DR_VE E BELT TO ADJUST MOTION (See Fig. 28} Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest. o o Remove mower (See "TO REMOVE MOWER" in this section of this manual.) Disconnect clutch wire harness. o Remove clutch Iocator. o Remove upper belt keeper. o Remove belt from stationary idler and clutching idler. o Pull belt slack toward rear of tractor.
SERVICE AN TO ADJUST STEERING WHEEL ALIGNMENT TO START ENGINE WiTH A WEAK 'See Fig, 30} If steering wheel crossbars are not horizontal 0eft to right) when wheels are positioned straight forward, remove steering wheel and reassemble per instructions in the Assembly section of this manual.
ENTS TO REPLACE HEADUGHT BULB TO REMOVE HOOD AND GRmLL ASSEMBLY (See Fig. 31) ® Raise hood. o Put! bulb holder out of the hole in the backside of the grill. - Replace bulb in holder and push bulb holder securely back into the hole in the backside of the grill. Close hood. , Stand in front of tractor. G rasp hood at sides, tilt toward engine and lift off of tracton • To replace, reverse above procedures. INTERLOCKS Raise hood. Unsnap headlight wire connector.
E DJ ENGINE TO ADJUST ACCELERATION THROTTLE CONTROL o CABLE (See Fig° 32 and 33) The thlottle 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: , (See Fig. 34) The carburetor has been present at the factory and adjustment should not be necessary. However, minor adjustment may be required to compensate for differences in fuel, temperature, altitude or load.
E Immediately prepareyourtractorforstorageattheendof 'heseasonor ifthetractorWillnotbeusedfor30daysor more. CAUTION:Neveretorethe traetorwith gasoline in the tank insidea building wherefumesmayreachanopenflame or spark° A_lowthe engineto coo_ beforestoring in arryenclosureo TRACTOR Remove mower from tractor for winter storage. When mower is to be stored for a period of time, clean it thor-. ougNy, remove all di_, grease, leaves, etc. Store in a clean, dry area.
POINTS PROBLEM Will not start CAUSE CORRECTION 1. Out of fuel. 2. 3. 4. 5. 6. 7. Engine riot"CHOKED" Engine flooded. Bad spark plug= Dirty air filter. Dirty fuel filter. Water in fuel. !. Fill fueltank. properly. 2. 3. 4. 5. 6_ 7. 8. 9. 10. Loose or damaged wiring. Carburetor out of adjustment. Engine valves out of adjustment. 8. 9. 10. See "!"O START ENGINE" in Operation section Wait several minutes before attemptir_g to start. Replace spark plug. Clean/replace air filter.
PROBLE_ CAUSE Engine continues to run when operator leaves seat with attachment c!utch engaged I. Faulty' operator-safety Poor cut o-uneven t, 2. CORRECTION presence control system. 1. Check wiring, switches and connections. If not corrected, contact an authorized service center/ department, Worn, bent or loose blade. Mower deck not level. i. 2. Reptace blade Tighten blade bolt, Level mower deck. 3. 4. Buildup of grass, leaves, and bash under mower. Sent blade mandrel. 5.
TRACTOR _ o MODEL NUMBER 917,2527!1 RED BLACK BATTERY I RED AMMETER BLACK IGNITION SWITCH BLACK (R EGULATOR I ........ DISCONNECTED) I ORANGE ff :-:L::---.. HEADLiGBT SWITCH (OFF) t_S ......... J , HEADLIGHTS '%.
REPAIR PARTS TRACTOR °oMODEL NUMBER 917.
REPAIR PARTS TRACTOR o o MODEL NUMBER 917=252711 ELECTRICAL KEY NO. 1 2 3 4 6 7 8 9 •10 1! t2 19 20 2t 22 24 25 26 28 29 30 3! 32 33 34 35 36 39 40 4t 42 43 44 45 49 50 51 55 70 PART NOo DESCR_PTION 144926 74760412 STD551025 STD551125 STD54t025 7697J 7603J !09596X 145211 145209 145769 STD551125 73350400 136850 4152J 146148 4799J 108824X 145491 121305X 144921 140400 141226 1404.
REPAIR PARTS TRACTOR CHASSIS o o MODEL NUMBER 917.
REPAmR PARTS TRACTOR CHASSIS KEY NOo ° o MODEL NUMBER 917.2527!1 AND ENCLOSURES PART NO. 1 2 3 14550t 140356 17490612 6 7 8 9 10 11 13 14 145206 145351 126471X 145203 72140608 14.52!8 145217 17490608 17 24 25 26 28 29 30 31 33 34 35 36 38 39 136673X558 STD523710 19131312 STD541437 136373X428 136374 140002X558 137113 145244X558 I45243X558 STD533707 !08067X 139886 139887 DESCRIPTION Chassis Drawbar Screw, Thd., Roll.
TRACTOR-- MODEL NUIV_BER 9!7.
REPAIR PARTS TRACTOR o MODEL NU IBER 917o25271t DRIVE KEY NO. 1 2 3 8 9 10 15 16 I7 18 !9 20 21 22 23 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 4i 42 43 44 45 46 47 48 49 50 51 52 53 55 PART NOo 144436 142431 143995 14.
REPAIR PARTS TRACTOR STEERING ° _ MODEL NUMBER 9!7o252711 ASSEMBLY "_. r-___ 42 62 47 14 ._.,..
REPAIR PARTS TRACTOR STEERING o o MODEL NUMBER 917.252711 ASSEMBLY KEY NO, PART NO.
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REPAIR PARTS TRACTOR ° o MODEL NUMBER 917.252711 ENGINE KEY NOo PART NO. 1 2 132755 177204t0 3 141948 4 5 6 7 8 9 !0 11 12 13 !37978 136215 136216 2751R 122439X 17190408 I4.5552 STD551131 74570512 .......... 14 I5 16 1'7 23 24 25 26 29 31 32 33 34 35 36 37 38 13280336 13200300 11050600 17490624 128953 STD60!005 138672 STD551237 137180 141069 123549X 123487X 106082X 17490512 19132012 8543R ....... 39 40 41 81 109227X 3645J 139277 735104.
REPAR PARTS TRACTOR SEAT o o MODEL NUMBER 917o2527!1 ASSEMBLY \ \ \ 10 5 21 17 KEY NO. 1 2 5 7 8 9 !0 11 12 13 14 15 PART NO. 140123 140551 145006 124181X 17490508 19131614 140552 120068X" 121246X 121248X 72050411 134300 12 KEY NOo DESCRIPTION Seat Bracket, Pivot, Seat Clip Pushqn, Hinged Spring, Seat Screw Thdrot.
REPAIR PARTS TRACTOR o o MODEL NUMBER 9t7o252711 DECALS 13 22 18 6 3 10 7 !6 8 7 4 21 10 15 19 15 14 24 KEY NO. 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 PART NO, ! ...... _ KEY NO. DESCRmPT_ON 138955 145003 146705 146706 146708 133644 142243 138048 146709 137537 4900J 147138 146046 146712 147137 WHEELS 25 Decal, Decal, Decal, Decal, Decal, Decal Decal Decal Decal.
REPAmR PARTS TRACTOR MOWER ° o MODEL NUMBER 917o252711 LIFT 28 27 23 7 35 8 41 10 22 5 21 3O '2 5 12 13 19 13 161718 32 19 15 44 20
REPAMR PARTS TRACTOR MOWER o ° 4ODEL NUMBER 9!7.252711 L_FT KEY NO. PART NO, t 2 3 4 5 6 7 8 10 11 12 13 15 !6 17 18 19 20 2t 22 23 24 25 26 27 28 29 30 31 32 35 36 37 38 40 41 136971 136968 138284 12000002 19211621 120!83X I25631X !22365X 122512X 139865 139866 4939M 127218 73350800 130171 73800800 139868 3146R 19151216 12000037 110807X 19131016 137150 76020308 137167 73350600 138057 110810X 140302 7354.0600 I20529X 123933X505 123935X 17490512 19112410 123934X NOTE: DESCRiPTiON Wire Asm.
REPAIR PARTS TRACTOR MOWER o _ MODEL NUMBER 917o252711 DEC}( 84 36 40 34 102 33 32 / 106 35 f-- 17 \ 105 /._ 106 -- \\ \ 113 111 21 22 23 1 25 \ 2 117 1!9 121 j 16 29 125 24 14 ! 18 4 \ 46
REPAIR PARTS TRACTOR MOWER 917.2527!I DECK: KEY NO.
REPAtR PARTS TRACTOR HYDRO GEAR TRANSA×LE _ o MODEL ° MODEL NUMBER NUMBER 917.
RBPA R PARTS TRACTOR ooo MODEL NUMBBR 917o252711 NYDRO GEAR TRANSAXLE o ODEL NU[VIBER 310o0750 KEY PART NOo NO,, I 2 3 4 5 6 7 8 9 13 t4 !5 17 18 19 23 24 25 26 27 28 29 34 35 36 37 38 39 40 41 142930 14293I I4.2932 142928 142933 142934 142935 142936 142937 14.2938 142939 !42940 14294.t 14.
REPAIR PARTS TRACTOR KOHLER ENGINE o MODEL o ° _,_ODEL NUMBER NUMBER MV18.OS, 917o252711 TYPE NUMBER PS58560 t I _5 J % / 6 ...... 8 BREATHER AND VENT --11 _ "-12 18 0 _j-13 U 'o ",_ , 17_ /_ 16 5O ....................
REPAIR PARTS TRACTOR KOHLER ENG_INE o MODEL o o MODEL NUMBER NU_YiBER MV18oOS, TYPE NUMBER AIR _NTAKE KEY NO, PART NOo BESCRIPTION i 2 X°276o7 52 755 83 3 4 5 6 7 8 9 10 52 096 35 52 123 21 23t032 52 082 04 45 083 0I 45 083 02 237423 X-67.-98 !! t2 I3 14 15 52 20! 06 277093 52 054 39 Xo25-79 X.
REPAMR PARTS TRACTOR KOHLER ENGINE CARBURETOR ° MODEL o o MODEL NUMBER NUMBER MV18oO$, 9t7.
REPAIR PARTS TRACTOR KOHLER ENGINE o MODEL o o MODEL NUMBER NUMBER MV18.OS, CRANKCASE KEY NO° PART NO. DESCRiPTiON 1 2 3 X-82-2 52 46812 82 755 t6 4 5 6 7 8 52 52 52 52 52 Nut, Hex 5/16 _18(12} Washer Flat 5/!6(12) Kit, #! Cylinder Barrel (Includes Key Numbers 4 thru 6) Va!ve, Exhaust InserL Valve Seat (2) Guide, Valve (2) Kit, Oil Relief Step Stud 5/!6.
REPAIR PARTS TRACTOR KOHLER ENGINE CRANKSHAFT ° MODEL o o MODEL NUMBER NUMBER MV18.
REPAIR PARTS TRACTOR KOHLER ENGINE o MODEL o o MODEL NUMBER NUMBER MV18.OS_ TYPE NUMBER CRANKSHAFT KEY PART NO, NO, 1 2 52 52 52 52 3 4 NOTE: 93 03 04 05 Crankshaft Washer, Thrust ,I 19/.!22 (A.R,) Washer, Thrust .128/131 Washer, Th rust _13'7/.140 (A.R.) DIPSTICK KEY PART NO. NO. OESCR_PT_ON 1 52 038 14 2 3 4 5 6 7 X-_25o44 52 032 14 41 153 01 52 126 11 52 123 20 47 139 0t KEY NO.
E NOTES 56
SERVICE NOTES 57
SERVICE NOTES 58
SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION SIGHTING lIDE ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL --. cU7-o._ SIGHT AND HOLD THIS LEVEL WiTH SKY LINE OR TREE. O't _D 15 ° MAX. _e I _ _ your Tractor up greater than 15°), never across the face. Make turns gradually to prevent tipping or loss of control.
® A/RS OWNER'S MANUAL 18 HP TWIN CYLINDER ELECTRIC START 3 in One Convertible 42" MOWER AUTOMATIC (HYDROSTATIC) DRIVE LAWN TRACTOR MODEL NO. 917.252711 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 witl be found on the blower housing of the engine.
