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Husqvarna LTH1742T Operator's Manual

Husqvarna ride-on mowers operator's manual
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Operator's Manual



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  Summary of Contents for Husqvarna LTH1742T

  • Page 1 03002 LTH1742T LTH1742TWIN Operator's Manual...
  • Page 2: Safety Rules

    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 re- pairs, al ways dis con nect spark plug...
  • Page 3 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. •...
  • Page 4: Table Of Contents

    PRODUCT SPECIFICATIONS Gasoline Capacity 1.5 Gallons and type: Unleaded Regular Oil Type (API-SG-SL): SAE 10W-30 (above 32°F) SAE 5W-30 (below 32°F) Oil Capacity: W/Filter: Spark Plug: Champion RCJ8Y (Gap: .030") Ground Speed (MPH): Forward: Reverse: Charging System: 14 Amps Battery: AMP/HR: MIN.
  • Page 5: Unassembled Parts

    UNASSEMBLED PARTS Steering Wheel Insert Steering Wheel Adapter (1) Hex Bolt (1) Seat (1) Oil Drain Tube For Future Use Keys Slope Sheet (2) Keys Steering Wheel (1) 5/16 Lock Washer Steering Extension Steering Shaft Boot Seat (1) Hex Bolt (1) Large Flat Washer (1) Washer...
  • Page 6: 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.
  • Page 7 INSTALL SEAT (See Figs. 2 and 3) • Remove bolt and flat washer se cur ing seat to cardboard packing and set aside for as sem bly of seat to tractor. Remove the cardboard packing and discard. • Connect switch to seat. •...
  • Page 8 NOTE: You may now roll your tractor off the skid. Follow the ap pro pri ate instruction 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.
  • Page 9: Operation

    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.
  • Page 10 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 safety standards of the American National Standards Institute. (A) ATTACHMENT LIFT LEVER - Used to raise, lower, and adjust the mower deck or other attachments mounted to your tractor.
  • Page 11: How To Use Your Tractor

    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 op- erating your tractor or per form ing any adjustments or repairs. We rec om mend a wide vision safety mask over spectacles or stan dard safety glasses.
  • Page 12 TO MOVE FORWARD AND BACKWARD (See Fig. 10) 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.
  • Page 13 WARNING: Backing up with the attachment clutch en- gaged while mowing is strongly discouraged. Turning the ROS "ON", to allow reverse operation with the attachment clutch engaged, should only be done when the operator decides it is necessary to reposition the machine with the attachment engaged.
  • Page 14: Before Starting The Engine

    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. • Unthread and remove oil fill cap/dipstick; wipe oil off. Reinsert the dipstick into the tube and rest oil fill cap on the tube.
  • Page 15 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.
  • Page 16: Maintenance Schedule

    MAINTENANCE SCHEDULE Check Brake Operation Check Tire Pressure Check Operator Presence & ROS Systems Check for Loose Fasteners Check/Replace Mower Blades Lubrication Chart Check Battery Level Clean Battery and Terminals Check Transaxle Cooling Check Mower Levelness ck V-Belts Check Engine Oil Level Change Engine Oil (with oil filter) Change Engine Oil (without oil filter) Clean Air Filter...
  • Page 17: Maintenance

    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”...
  • Page 18: Engine Lubrication

    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.
  • Page 19 AIR FILTER Your engine will not run properly using a dirty air filter. Service air cleaner more often under dusty conditions. See Engine Manual. MUFFLER Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or dam- age.
  • Page 20: Service And Adjustments

    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. •...
  • Page 21: Service And Adjustments

    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. 22 • ATTACH REAR LIFT LINKS (C) - Lift rear corner of mower and position slot in link assembly over pin on rear mower bracket (D) and secure with washer and...
  • Page 22 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.
  • Page 23 SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 31) 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”...
  • Page 24 SERVICE AND ADJUSTMENTS TRANSMISSION REMOVAL/REPLACEMENT Should your transmission require removal for service or replacement, it should be purged after reinstallation and before operating the tractor. See “PURGE TRANS MIS SION” in the Operation section of this manual. TO ADJUST STEERING WHEEL ALIGNMENT If steering wheel crossbars are not horizontal (left to right) when wheels are positioned straight forward, remove steer-...
  • Page 25 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. •...
  • Page 26: 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. 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.
  • Page 27: Trou Ble Shoot Ing

    TROUBLESHOOTING POINTS PROBLEM CAUSE Will not start Out of fuel. Engine not “CHOKED” properly. Engine flooded. Bad spark plug. Dirty air filter. Dirty fuel filter. Water in fuel. Loose or damaged wiring. Carburetor out of adjustment. Engine valves out of adjustment. Hard to start Dirty air filter.
  • Page 28 TROUBLESHOOTING POINTS PROBLEM CAUSE Engine continues to run Faulty operator-safety presence control system. when operator leaves seat with attachment clutch engaged Poor cut - uneven Worn, bent or loose blade. Mower deck not level. Buildup of grass, leaves, and trash under mower. Bent blade mandrel.
  • Page 29 SERVICE NOTES...
  • Page 30 SERVICE NOTES...
  • Page 32 532 41 73-88 Rev. 2 02.25.09 SR Printed in the U.S.A.

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