YTH21K46 Owner's Manual 532 43 70-40
SAFETY RULES Safe Operation Practices for Ride-On Mowers DANGER: 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. • • WARNING: In order to prevent accidental starting when setting up, transporting, adjusting or making repairs, always disconnect spark plug wire and place wire where it cannot contact spark plug.
SAFETY RULES 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 machine and the mowing activity. Never assume that children will remain where you last saw them. • Keep children out of the mowing area and in the watchful care of a responsible adult other than the operator. • Be alert and turn machine off if a child enters the area.
PRODUCT SPECIFICATIONS Gasoline Capacity and type: Oil Type (API-SG-SL): Oil Capacity: Spark Plug: Ground Speed (MPH): Charging System: Battery: Blade Bolt Torque: CONGRATULATIONS on your purchase of a new tractor. It has been designed, engineered and manufactured to give you the best possible dependability and performance.
UNASSEMBLED PARTS Slope Sheet Key (1) Oil Drain Tube (2) Keys ASSEMBLY Your new tractor has been assembled at the factory with the exception of those parts left unassembled for shipping purposes. When right or left hand is mentioned in this manual, it means when you are in the operating position (seated behind the steering wheel). ADJUST SEAT (See Fig. 2) • • TO REMOVE TRACTOR FROM CARTON • UNPACK CARTON • • • Sit in seat.
ASSEMBLY ✓CHECKLIST BEFORE YOU OPERATE YOUR NEW TRACTOR, WE WISH TO ASSURE THAT YOU RECEIVE THE BEST PERFORMANCE AND SATISFACTION FROM THIS QUALITY PRODUCT. PLEASE REVIEW THE FOLLOWING CHECKLIST: CHECK TIRE PRESSURE The tires on your tractor were overinflated at the factory for shipping purposes. Correct tire pressure is important for best cutting performance. • Reduce tire pressure to PSI shown on tires. ✓ ✓ ✓ ✓ ✓ CHECK DECK LEVELNESS For best cutting results, mower housing should be properly leveled.
OPERATION These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning.
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 locations of various controls and adjustments. Save this manual for future reference. P H D G E B F C K A J M L FIG. 3 Our tractors conform to the applicable safety standards of the American National Standards Institute.
OPERATION 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 standard safety glasses or a wide vision safety mask worn over spectacles. HOW TO USE YOUR TRACTOR GROUND DRIVE • To stop ground drive, depress brake pedal into full “BRAKE” position. TO SET PARKING BRAKE (See Fig.
OPERATION • 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. Ground speed increases the further down the pedal is depressed. • TO ADJUST GAUGE WHEELS (See Fig. 9) Gauge wheels are properly adjusted when they are slightly off the ground when mower is at the desired cutting height in operating position.
OPERATION TO TRANSPORT (See Figs. 3 and 12) CAUTION: Do not operate the mower without either the entire grass catcher, on mowers so equipped, or the deflector shield (S) in place. When pushing or towing your tractor, be sure to disengage transmission by placing freewheel control in freewheeling position. Free wheel control is located at the rear drawbar of tractor. • Raise attachment lift to highest position with attachment lift control.
OPERATION BEFORE STARTING THE ENGINE TO START ENGINE (See Fig. 3) When starting the engine for the first time or if the engine has run out of fuel, it will take extra cranking time to move fuel from the tank to the engine. • Be sure freewheel control is in the transmission engaged position. • Sit on seat in operating position, depress brake pedal and set parking brake. • Move attachment clutch to “DISENGAGED” position. • Move throttle control to choke position.
OPERATION MOWING TIPS PURGE TRANSMISSION • CAUTION: Never engage or disengage freewheel lever while the engine is running. • • To ensure proper operation and performance, it is recommended 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 developed during shipping of your tractor.
MAINTENANCE MAINTENANCE SCHEDULE BEFORE EACH USE EVERY 8 HOURS EVERY 25 HOURS EVERY 50 HOURS EVERY 100 HOURS EVERY SEASON BEFORE STORAGE Check Brake Operation T R A C T 0 R Check Tire Pressure Check Operator Presence & ROS Systems Check for Loose Fasteners Check/Replace Mower Blades 3 Lubrication Chart Check Battery Level 4 Clean Battery and Terminals Clean Debris Off Steering Plate Check Transaxle Cooling 5 Check Mower Levelness Check V-Belts Check Engine Oil Level Change Engine Oil (with o
MAINTENANCE TRACTOR BLADE CARE For best results mower blades must be kept sharp. Replace bent or damaged blades. Always observe safety rules when per form ing any maintenance. CAUTION: Use only a replacement blade approved by the manufacturer of your tractor. Using a blade not approved by the manufacturer of your tractor is hazardous, could damage your tractor and void your warranty.
MAINTENANCE V-BELTS OIL DRAIN VALVE Check V-belts for deterioration and wear after 100 hours of operation and replace if necessary. The belts are not adjustable. Replace belts if they begin to slip from wear. CLOSED AND LOCKED POSITION TRANSAXLE COOLING The transmission fan and cooling fins 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.
MAINTENANCE IMPORTANT: Recheck the area making certain the area is clear. 7. Move the tractor’s attachment clutch control to the “ENGAGED” position. Remain in the operator’s position with the cutting deck engaged until the deck is cleaned. 8. Move the tractor’s attachment clutch control to the “DISENGAGED” position. Turn the ignition key to the STOP position to turn the tractor’s engine off. Turn the water off. 9.
SERVICE AND ADJUSTMENTS WARNING: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: • Depress brake pedal fully and set parking brake. • Place attachment clutch in “DISENGAGED” position. • Turn ignition key to “STOP” 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. TO REMOVE MOWER (See Fig.
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. • Insert end of link (E) into hole in front mower bracket and secure with washer and retainer spring (J). E A J F H B • Fig.
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. • If adjustment is necessary, see step in Visual Adjustment instructions above. Recheck measurements, adjust if necessary until both sides are equal. FRONT-TO-BACK ADJUSTMENT (See Figs. 28 & 29) IMPORTANT: Deck must be level side-to-side.
SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 30) TO REPLACE MOTION DRIVE BELT (See Fig. 31) The mower blade drive belt may be replaced without tools. Park the tractor on level surface. Engage parking brake. Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest. BELT REMOVAL • Remove mower from tractor (See “TO REMOVE MOWER” in this section of manual).
SERVICE AND ADJUSTMENTS FRONT WHEEL TOE-IN/CAMBER TO ATTACH JUMPER CABLES • Connect one end of the RED cable to the POSITIVE (+) terminal of each battery(A-B), taking care not to short against tractor chassis. • Connect one end of the BLACK cable to the NEGATIVE (-) terminal (C) of fully charged battery. • Connect the other end of the BLACK cable (D) to good chassis ground, away from fuel tank and battery. Your new tractor front wheel toe-in and camber is set at the factory and is normal.
SERVICE AND ADJUSTMENTS • • • First connect RED battery cable to positive (+) terminal with bolt and nut as shown. Tighten securely. Slide terminal cover over terminal. Connect BLACK grounding cable to negative (-) terminal with remaining bolt and nut. Tighten securely. Lower seat pan. ENGINE TO ADJUST THROTTLE CONTROL CABLE The throttle control has been preset at the factory and adjustment should not be necessary. If adjustment is necessary, see engine manual.
STORAGE 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. ENGINE 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 POINTS PROBLEM Will not start CAUSE 1. 2. 3. 4. 5. 6. 7. CORRECTION Out of fuel. Engine not “CHOKED” properly. Engine flooded. Bad spark plug. Dirty air filter. Dirty fuel filter. Water in fuel. 1. 2. 3. 4. 5. 6. 7. Fill fuel tank. See “TO START ENGINE” in Operation section. Wait several minutes before attempting to start. Replace spark plug. Clean/replace air filter. Replace fuel filter. Empty fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter. 8.
TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Engine continues to run when operator leaves seat with attachment clutch engaged 1. Faulty operator-safety presence control system. 1. Check wiring, switches and connections. If not corrected, contact an authorized service center/ department. Poor cut - uneven 1. 2. 3. 4. 5. Worn, bent or loose blade. Mower deck not level. Buildup of grass, leaves, trash under mower. Bent blade mandrel.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO. 960 45 00-21 SCHEMATIC SCH10 BATTERY RED SOLENOID STARTER M RED A FUSE AMMETER (OPTIONAL) BLACK WHITE S M B G WHITE A1 L A2 ATTACHMENT CLUTCH (CLUTCH OFF) BLACK CLUTCH/BRAKE (PEDAL UP) GRAY REVERSE SWITCH (NOT IN REVERSE) BLACK BLACK BLACK 2 BLACK 3 BLACK BLACK SEAT SWITCH (NOT OCCUPIED) BLACK BLACK 1 6 GRAY BLACK /WHITE JUNCTION CONNECTOR SHORTING CONNECTOR CHASSIS HARNESS SPARK PLUGS GAP (2 PLUGS ON TWIN CYL.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO. 960 45 00-21 ELECTRICAL KEY NO. PART NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO. 960 45 00-21 CHASSIS KEY NO. PART NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO. 960 45 00-21 DRIVE KEY NO. PART NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO. 960 45 00-21 ENGINE KEY NO. 1 2 9 12 15 18 20 21 28 29 37 42 45 69 81 82 85 87 90 92 94 95 96 97 PART NO. -----532 18 86-55 532 19 43-19 532 40 51-40 532 40 74-89 532 43 02-20 532 40 15-08 532 41 63-58 532 40 11-37 532 13 71-80 532 12 34-87 810 04 07-00 873 51 04-00 532 18 59-09 532 14 84-56 532 42 82-87 532 17 39-37 537 17 18-77 817 00 06-16 817 12 06-16 532 18 86-54 532 19 23-34 819 09 14-16 817 67 04-12 DESCRIPTION Engine Kohler Model No.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO. 960 45 00-21 STEERING ASSEMBLY KEY NO. PART NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO. 960 45 00-21 MOWER DECK KEY PART NO. NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO. 960 45 00-21 MOWER LIFT 87 7 87 90 98 89 10 3 97 100 2 88 91 87 97 101* 89 87 lift-tex_16_r3 KEY NO. 2 3 7 10 87 88 89 90 91 PART NO. 532 42 20-27 532 19 52-31 532 41 15-55 532 19 63-14 532 19 42-09 532 41 07-10 819 19 19-12 532 19 42-08 532 19 51-81 *Key 91 may be substituted for Key 101 KEY PART NO. NO. 97 817 00 06-12 DESCRIPTION Shaft Asm., Lift Lever Asm.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO. 960 45 00-21 SEAT ASSEMBLY 1 8 8 8 7 7 8 41 40 10 21 6 37 6 37 2 44 43 21 3 seat-tex_6.5SL_3 KEY PART NO. NO. DESCRIPTION 1 2 3 6 7 8 10 21 Seat Bracket Pivot Fender Strap, Asm Fender Nut, Lock w/Ins. 3/8-16 unc Spring, Seat Cprsn Bolt 5/16-18 unc x 3/4 w/Sems Pan, Seat Bolt, Shoulder 5/16-18 532 42 40-68 532 18 01-66 532 14 06-75 873 80 06-00 532 12 41-81 532 17 18-77 532 19 69-77 532 17 18-52 KEY PART NO. NO.
TRACTOR - - MODEL NUMBER YTH21K46 (96045002101), PRODUCT NO. 960 45 00-21 DECALS 2 5 6 2 8 9 3 1 4 12 KEY NO. PART NO. DESCRIPTION KEY NO. PART NO. DESCRIPTION 1 2 3 4 5 6 8 532 41 91-38 532 42 91-96 532 43 01-17 532 42 38-30 532 42 38-29 532 43 70-69 532 19 15-54 Decal, Fender Warning Decal, Hood Decal, Hood Panel SD Decal, Hood E85 Warning Decal, Customer Respons.
SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION FOL DA L O NG D THIS O I T S T A E D LIN 1 5 DEG E RE E S LOP E ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL 15 DEGREES MAX. WARNING: To avoid serious injury, operate your tractor up and down the face of slopes, never across the face. Do not mow slopes greater than 15 degrees. Make turns gradually to prevent tipping or loss of control. Exercise extreme caution when changing direction on slopes. 1. Fold this page along dotted line indicated above. 2.
06.23.10 JA Printed in the U.S.A.
