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07002 917.240460 (YTH20K46) Owner's Manual Gasoline containing up to 10% ethanol (E10) is acceptable for use in this machine. The use of any gasoline exceeding 10% ethanol (E10) will void the product warranty. 532 44 14-57 Rev, 1...
Safe Operation Practices for Ride-On Mowers DANGER: THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROW ING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH. WARNING: In order to prevent ac ci den tal starting when setting up, trans port ing, ad just ing or making repairs, al ways dis con nect spark plug wire and place...
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Safe Operation Practices for Ride-On Mowers III. CHILDREN Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the ma chine and the mowing activity. Never assume that children will remain where you last saw them. •...
UNASSEMBLED PARTS (2) Keys Your new tractor has been assembled at the factory with the exception of those parts left unassembled for shipping purposes. TOOLS REQUIRED FOR ASSEMBLY A socket wrench set will make assembly easier. Stan dard wrench sizes are listed. (1) 1/2"...
NOTE: You may now roll your tractor off the skid. Follow the instructions below to remove the tractor from the skid. WARNING: Before start ing, read, un der stand and fol low all in struc tions in the Op er a tion section of this man u al. Be sure tractor is in a well-ventilated area.
These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning. REVERSE NEUTRAL REVERSE ENGINE OFF OPERATION SYSTEM (ROS) LIGHTS ON BATTERY FUEL ATTACHMENT ATTACHMENT CLUTCH DISENGAGED CLUTCH ENGAGED FREE WHEEL (Automatic Models only) Failure to follow instructions could result in serious injury or death.
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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 locations of various controls and ad just ments. Save this manual for future reference. Our tractors conform to the applicable safety standards of the American National Standards Institute. (A) ATTACHMENT LIFT LEVER - Used to raise and lower the mower or other attachments mounted to your trac tor.
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The operation of any tractor can result in foreign objects thrown into the eyes, which can result in severe eye dam age. Always wear safety glass es or eye shields while operating your tractor or per form ing any ad just ments or repairs. We rec om mend standard safety glasses or a wide vision safety mask worn over spectacles.
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TO MOVE FORWARD AND BACKWARD (See Fig. 7) The direction and speed of movement is controlled by the forward and reverse drive pedals. • Start tractor and release parking brake. • Slowly depress forward (K) or reverse (L) drive pedal to begin movement.
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Fig. 10 CAUTION: Do not operate the mower without either the en tire grass catcher, on mowers so equipped, or the deflector shield (S) in place. REVERSE OPERATION SYSTEM (ROS) (See Fig. 11) Your tractor is equipped with a Reverse Operation System (ROS).
BEFORE STARTING THE ENGINE CHECK ENGINE OIL LEVEL The engine in your tractor has been shipped, from the factory, already filled with sum mer weight oil. • Check engine oil with tractor on level ground. • Remove oil fill cap/dipstick and wipe clean, reinsert the dipstick and screw cap tight, wait for a few seconds, remove and read oil level.
PURGE TRANSMISSION CAUTION: Never engage or disengage freewheel lever while the engine is run ning. To ensure proper operation and performance, it is rec om- mend ed that the transmission be purged before operating tractor for the first time. This procedure will remove any trapped air inside the transmission which may have de vel- oped during shipping of your tractor.
TRACTOR Always observe safety rules when per form ing any main te nance. BRAKE OPERATION If tractor requires more than five (5) feet to stop at highest speed in high est gear on a level, dry concrete or paved surface, then brake must be checked and ad just ed. (See “TO CHECK BRAKE”...
V-BELTS Check V-belts for deterioration and wear after 100 hours of operation and replace if necessary. The belts are not ad just able. Re place belts if they begin to slip from wear. TRANSAXLE COOLING The transmission fan and cooling fins should be kept clean to assure proper cooling.
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 “PROD UCT SPECIFICATIONS” section of this manual. IN-LINE FUEL FILTER (See Fig. 17) The fuel filter should be replaced once each season.
SERVICE AND ADJUSTMENTS WARNING: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SER VICE OR AD JUST MENTS: • Depress brake pedal fully and set parking brake. • Place attachment clutch in “DISENGAGED” position. • Turn ignition key to “STOP” and remove key. •...
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SERVICE AND ADJUSTMENTS • ATTACH MOWER SIDE SUSPENSION ARMS (A) TO CHASSIS - Position hole in arm over pin (B) on outside of tractor chassis and secure with retainer spring. • Repeat on opposite side of tractor. Fig. 21 • ATTACH REAR LIFT LINKS (C) - Lift rear corner of mower and position slot in link assembly over pin (D) on rear mower bracket and secure with washer and...
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SERVICE AND ADJUSTMENTS TO LEVEL MOWER Make sure tires are properly inflated to the PSI shown on tires. If tires are over or under inflated, it may affect the appearance of your lawn and lead you to think the mower is not adjusted properly.
SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 30) The mower blade drive belt may be replaced without tools. Park the tractor on level surface. Engage parking brake. BELT REMOVAL - • Remove mower from tractor (See “TO REMOVE MOW ER”...
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SERVICE AND ADJUSTMENTS FRONT WHEEL TOE-IN/CAMBER Your new tractor front wheel toe-in and camber is set at the factory and is normal. The front wheel toe-in and camber are not adjustable. If damage has occurred to affect the factory set front wheel toe-in or camber, contact a qualified service center.
SERVICE AND ADJUSTMENTS TO REPLACE HEADLIGHT BULB • Raise hood. • 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 hole in the backside of the grill. •...
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. WARNING: Never store the trac tor with gas o line in the tank inside a building where fumes may reach an open flame or spark.
TROUBLESHOOTING POINTS PROBLEM CAUSE 1. Out of fuel. Will not start 2. Engine not “CHOKED” properly. 3. Engine flooded. 4. Bad spark plug. 5. Dirty air filter. 6. Dirty fuel filter. 7. Water in fuel. 8. Loose or damaged wiring. 9.
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TROUBLESHOOTING POINTS PROBLEM CAUSE Engine continues 1. Faulty operator-safety presence control system. to run when oper- ator leaves seat with attachment clutch engaged 1. Worn, bent or loose blade. Poor cut - uneven 2. Mower deck not level. 3. Buildup of grass, leaves, trash under mower. 4.
SCHEMATIC SCH10 IGNITION SWITCH POSITION CIRCUIT “MAKE” M+G+A1 B+A1 RUN/OVERRIDE B+A1 L+A2 START B + S + A1 03107 BATTERY FUSE AMMETER (OPTIONAL) WHITE CLUTCH/BRAKE BLACK BLACK BLACK BLACK IGNITION UNIT (OPTIONAL) HOUR BLUE METER FUEL LINE BLUE FUEL SHUT-OFF CHARGING SYSTEM OUTPUT SOLENOID 9-16 AMP DC @ 3600 RPM...
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TRACTOR - - MODEL NUMBER 917.240460, PRODUCT NO. YTH20K46 ELECTRICAL T06S With 12V Outlet Option With Service Minder Option...
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CHASSIS NOTE: All component dimensions given in U.S. inches PART DESCRIPTION 532 43 97-52 Logo Crown 532 43 74-73 Dash 532 44 11-77 Hood 532 43 97-32 Lens LH 532 43 77-62 Grille/Lens Asm. 532 43 97-33 Lens RH 532 19 61-25 Plate Engine 817 06 05-12 Screw 5/16-18 x 3/4...
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TRACTOR - - MODEL NUMBER 917.240460, PRODUCT NO. YTH20K46 DRIVE drive-tex_K46_pedal_87...
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DRIVE PART DESCRIPTION 532 42 61-20 Transaxle, TUFFTORQ K46 BT (See Transaxle breakdown) 532 12 35-83 Key 819 13 13-16 Washer 13/32 x 13/16 x 16 Ga. 532 41 36-78 Spring, Brake 532 19 96-79 Spring Return Cruise 532 40 38-06 Rod, Brake 812 00 00-01 Ring E 532 43 54-86 Rod, Brake, Park 532 12 48-72 Cover, Foot Pedal...
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TRACTOR - - MODEL NUMBER 917.240460, PRODUCT NO. YTH20K46 ENGINE 21 20 SPARK ARRESTER KIT engine-tex_Kohl_31...
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ENGINE NOTE: All component dimensions given in U.S. inches For engine service and replacement parts, call the toll free number for your engine manufacturer listed below: Kohler Co. PART DESCRIPTION 532 43 83-26 Engine Kohler Model No. SV600-3229 532 18 86-55 Muffler 532 19 43-20 Keeper Belt Engine...
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TRACTOR - - MODEL NUMBER 917.240460, PRODUCT NO. YTH20K46 STEERING ASSEMBLY steering-tex_LEGND2_16_r2...
TUFFTORQ TRANSAXLE MODEL NUMBER K46BT MODEL K46BT 7A646084180 ACTUAL PARTS MAY NOT APPEAR AS SHOWN PART DESCRIPTION 414395 Vent Valve 15 414396 Magnet 414397 Magnet Holder 415923 Pump Shaft/Bearing Kit 414398 Bypass Lever 414399 Sealing Cap 30 414400 Snap Ring C 35 414401 O-Ring 1a P10a 414402...