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Husqvarna LTH1797 Operator's Manual

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Operator's Manual



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  Summary of Contents for Husqvarna LTH1797

  • Page 1 03131 LTH1797 Operator's Manual...
  • Page 2: Safety Rules

    SAFETY RULES Safe Operation Practices for Ride-On Mowers DANDER: 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. • Do not operate machine without the entire grass catcher, WARNING: In order to prevent ac- discharge guard, or other safety devices in place and ci den tal starting when setting up,...
  • Page 3 SAFETY RULES Safe Operation Practices for Ride-On Mowers III. CHILDREN GENERAL SERVICE • Never operate machine in a closed area. Tragic accidents can occur if the operator is not alert to • Keep all nuts and bolts tight to be sure the equipment the presence of children.
  • Page 4: Table Of Contents

    PRODUCT SPECIFICATIONS CUSTOMER RESPONSIBILITIES Gasoline Capacity 1.50 Gallons • Read and observe the safety rules. and type: Unleaded Regular • Follow a regular schedule in maintaining, caring for Oil Type (API-SG-SL): SAE 30 (above 32°F) and using your tractor. SAE 5W-30 (below 32°F) •...
  • Page 5: Assembly

    UNASSEMBLED PARTS Slope Sheet (1) Oil Drain Tube (2) Keys Steering Extension Shaft Steering Boot Steering Wheel Steering Wheel Adapter ASSEMBLY When right or left hand is mentioned in this man ual, it means Your new tractor has been assembled at the factory with when you are in the operating po si tion (seated be hind the the exception of those parts left unassembled for steer ing wheel).
  • Page 6 ASSEMBLY ADJUST SEAT (See Fig. 3a) INSTALL SEAT (See Figs. 2 and 3) • Sit in seat. • Remove bolt and flat washer se cur ing seat to cardboard • Lift up adjustment lever (A) and slide seat until a com- packing and set aside for as sem bly of seat to tractor.
  • Page 7 ASSEMBLY NOTE: You may now roll or drive your tractor off the skid. ATTACH HOOD SCOOP (See Fig. 5) 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.
  • Page 8 ASSEMBLY ✓CHECKLIST CHECK TIRE PRESSURE BEFORE YOU OPERATE YOUR NEW TRAC TOR, WE The tires on your tractor were overinflated at the factory WISH TO ASSURE THAT YOU RECEIVE THE BEST for shipping purposes. Correct tire pressure is important PERFORMANCE AND SATISFACTION FROM THIS for best cutting performance.
  • Page 9: Operation

    OPERATION These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their mean- ing. FAST SLOW REVERSE HIGH NEUTRAL CHOKE IGNITION SWITCH ENGINE START MOWER HEIGHT MOWER LIFT REVERSE ENGINE ON PARKING BRAKE ENGINE OFF OPERATION SYSTEM (ROS)
  • Page 10 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 ad just ments. Save this manual for future reference. FIG.
  • Page 11 OPERATION 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.
  • Page 12 OPERATION TO OPERATE MOWER TO ADJUST MOWER CUT TING HEIGHT (See Fig. 10) Your tractor is equipped with an operator presence sensing switch. Any attempt by the operator to leave the seat with The po si tion of the at tach ment lift le ver (A) de ter mines the the engine running and the attachment clutch engaged cut ting height.
  • Page 13: Before Starting The Engine

    OPERATION USING THE REVERSE OPERATION SYSTEM - Transmission Engaged Only use if you are certain no children or other bystanders will enter the mowing area. • Depress brake pedal all the way down. • With engine running, turn ignition key counterclockwise to ROS "ON"...
  • Page 14 OPERATION CAUTION: Alcohol blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to sep a ra tion and for ma tion of acids during storage. Acidic gas can damage the fuel system of an engine while in storage. To avoid engine problems, the fuel system should be emptied before stor age of 30 days or longer.
  • Page 15 OPERATION MOWING TIPS • Mower should be properly leveled for best mowing per- formance. See “TO LEVEL MOWER HOUSING” in the Service and Adjustments section of this manual. • The left hand side of mower should be used for trim- ming.
  • Page 16: Maintenance Schedule

    MAINTENANCE BEFORE EVERY EVERY EVERY EVERY EVERY BEFORE MAINTENANCE EACH SEASON STORAGE SCHEDULE HOURS HOURS HOURS HOURS 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...
  • Page 17: Maintenance

    MAINTENANCE TRACTOR CAUTION: Use only a replacement blade approved by the manufacturer of your Always observe safety rules when per form ing any main- tractor. Using a blade not approved te nance. by the manufacturer of your tractor is BRAKE OPERATION hazardous, could damage your tractor and void your warranty.
  • Page 18: Clean Air Screen

    MAINTENANCE V-BELTS • Remove yellow cap from end of drain valve and install the drain tube onto the fitting. Check V-belts for deterioration and wear after 100 hours of operation and replace if necessary. The belts are not OIL DRAIN VALVE ad just able.
  • Page 19 MAINTENANCE IN-LINE FUEL FILTER (See Fig. 18) The fuel filter should be replaced once each season. If fuel filter becomes clogged, ob struct ing fuel flow to car bu re tor, re place ment is re quired. • With engine cool, remove filter and plug fuel line sec- tions.
  • 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 FRONT LINK (E) - Work from left side of trac- tor. Insert rod end of link assembly through front hole in tractor front suspension bracket (F). • Insert end of link (E) into hole in front mower bracket and secure with washer and retainer spring (J).
  • Page 22 SERVICE AND ADJUSTMENTS TO LEVEL MOWER • If adjustment is necessary, see step in Visual Adjust- ment instructions above. Make sure tires are properly inflated to the PSI shown on • Recheck measurements, adjust if necessary until both tires. If tires are over or under inflated, it may affect the sides are equal.
  • Page 23 SERVICE AND ADJUSTMENTS TO REPLACE MOTION DRIVE BELT BELT INSTALLATION - • Install new belt from tractor rear to front, over the steer- Park the tractor on level surface. En gage parking brake. ing plate (F) and above clutch brake pedal shaft (G). For as sis tance, there is a belt installation guide decal on •...
  • Page 24 SERVICE AND ADJUSTMENTS TO START ENGINE WITH A WEAK BATTERY TO CHECK BRAKE (See Fig. 30) 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 serviced.
  • Page 25: Service And Ad Just Ments

    SERVICE AND ADJUSTMENTS TO REPLACE HEADLIGHT BULB REPLACING BATTERY (See Fig. 31 and 32) • Raise hood. • Pull bulb holder out of the hole in the backside of the WARNING: Do not short battery ter- grill. mi nals by allowing a wrench or any •...
  • Page 26: Storage

    STORAGE Immediately prepare your tractor for storage at the end ENGINE 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 WARNING: Never store the trac tor with FROM FORMING IN ES SEN TIAL FUEL SYSTEM PARTS SUCH gas o line in the tank inside a building AS CARBURETOR, FUEL FIL TER, FUEL HOSE, OR TANK...
  • Page 27: Trou Ble Shoot Ing

    TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Will not start Out of fuel. Fill fuel tank. Engine not “CHOKED” properly. See “TO START ENGINE” in Operation section. Engine flooded. Wait several minutes before attempting to start. Bad spark plug. Replace spark plug. Weak or dead battery.
  • Page 28 TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Engine dies when Reverse operation system Turn ignition key to tractor is shifted (ROS) is not "ON" while ROS "ON" position. into reverse mower or other attachment See Operation section. is engaged. Engine continues to run Faulty operator-safety presence control system.
  • Page 29 SERVICE NOTES...
  • Page 30 SERVICE NOTES...
  • Page 32 532 41 02-71 03.15.07 CL Printed in U.S.A.