Husqvarna LTH1842 Owner's Manual
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Husqvarna LTH1842 Owner's Manual

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LTH1842
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 41 09-01 Rev. 3

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  • Page 1 LTH1842 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 41 09-01 Rev. 3...

  • Page 2: Safety Rules

    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. • Follow the manufacturer's recommendation for wheel WARNING: In order to prevent ac ci den tal weights or counterweights.
  • Page 3 SAFETY RULES Safe Operation Practices for Ride-On Mowers III. CHILDREN • If fuel is spilled on clothing, change clothing immediately. • Never overfill fuel tank. Replace gas cap and tighten securely. WARNING. CHILDREN CAN BE INJURED BY THIS EQUIPMENT. The American Academy GENERAL SERVICE of Pediatrics recommends that children be a •...

  • Page 4: Table Of Contents

    PRODUCT SPECIFICATIONS CONGRATULATIONS on your purchase of a new tractor. It has been designed, engineered and manu fac tured to give you the best possible dependability and performance. Gasoline Capacity 3.0 Gallons/11,35 L and type: Regular Unleaded Should you experience any problem you cannot easily remedy, please contact your nearest authorized service Oil Type: SAE 10W30 (above 32°F/0°C)

  • Page 5: Unassembled Parts

    UNASSEMBLED PARTS Steering Wheel (1) Lock Washer Steering (1) Large Wheel Insert Flat Washer Steering Wheel (1) Hex Bolt Steering Steering Wheel Extension Adapter Steering Boot Shaft Seat (1) Washer (1) Knob (1) Seat Slope Sheet (1) Oil Drain Tube For Future Use Key(s)

  • Page 6: Assembly

    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 ensure proper tightness.

  • Page 7: Check Tire Pressure

    ASSEMBLY NOTE: You may now roll your tractor off the skid. Follow INSTALL SEAT (See Fig. 3) the instructions below to remove the tractor from the skid. Adjust seat before tightening adjustment knob. WARNING: Before start ing, read, un der stand and fol- •...
  • Page 8 ASSEMBLY ✓ CHECKLIST BEFORE YOU OPERATE YOUR NEW TRAC TOR, WE WISH TO ENSURE THAT YOU RECEIVE THE BEST PERFORMANCE AND SATISFACTION FROM THIS QUALITY PRODUCT. PLEASE REVIEW THE FOLLOWING CHECKLIST: ✓ All assembly instructions have been com plet ed. ✓...

  • Page 9: Operation

    OPERATION These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning. FAST SLOW REVERSE HIGH NEUTRAL CHOKE IGNITION SWITCH ENGINE START MOWER HEIGHT MOWER LIFT REVERSE ENGINE ON PARKING BRAKE ENGINE OFF OPERATION SYSTEM (ROS) CLUTCH/BRAKE...
  • 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 • With mower in desired height of cut po si tion, gauge wheels should be assembled so they are slightly off the ground. In stall gauge wheel in ap pro pri ate hole. Tighten se cure ly. • Repeat for all, installing gauge wheel in same adjust- ment hole.
  • Page 13 OPERATION WARNING: Backing up with the attachment clutch en- TRANSMISSION ENGAGED 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 OPERATION NOTE: If at a high altitude (above 3000 feet) or in cold CAUTION: Alcohol blended fuels (called gasohol or temperatures (below 32°F/0°C) the carburetor fuel mixture using ethanol or methanol) can attract moisture which may need to be adjusted for best engine performance. See leads to sep a ra tion and for ma tion of acids during “TO ADJUST CARBURETOR”...

  • Page 15: Mowing Tips

    OPERATION MOWING TIPS • Tire chains cannot be used when the mower hous ing is attached to tractor. • Mower should be properly leveled for best mowing performance. See “TO LEVEL MOWER HOUSING” in the Service and Adjustments section of this manual. •...

  • 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 Clean Debris Off Steering Plate ck Transaxle Cooling...

  • Page 17: Maintenance

    MAINTENANCE TRACTOR BLADE CARE Always observe safety rules when per form ing any main- For best results mower blades must be sharp. Re place te nance. worn, bent or damaged blades. BRAKE OPERATION CAUTION: Use only a replacement blade If tractor requires more than five (5) feet to stop at highest approved by the manufacturer of your speed in high est gear on a level, dry concrete or paved tractor.

  • Page 18: Clean Air Screen

    MAINTENANCE TO CHANGE ENGINE OIL (See Figs. 14 and 15) • Coat terminals with grease or petroleum jelly. • Reinstall battery (See “REPLACING BATTERY" in Determine temperature range expected before oil change. the SERVICE AND ADJUSTMENTS section of this All oil must meet API service classification SG-SL. man u al).

  • Page 19: Spark Plugs

    MAINTENANCE CLEANING MUFFLER • Clean engine, battery, seat, finish, etc. of all foreign matter. Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or dam- • Clean debris from steering plate. Debris can restrict 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. • Ensure transaxle is in the neutral position. • Place attachment clutch in “DISENGAGED” position. •...
  • Page 21 SERVICE AND ADJUSTMENTS • ATTACH MOWER SIDE SUSPENSION ARMS (A) TO • ATTACH FRONT LINK (E) - Work from left side of trac- CHASSIS - Position hole in arm over pin (B) on outside tor. Insert rod end of link assembly through front hole of tractor chassis and secure with retainer spring.
  • Page 22 SERVICE AND ADJUSTMENTS TO LEVEL MOWER • If adjustment is necessary, see steps 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: To Replace Mower Blade Drive Belt

    SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE DRIVE BELT 8. Slide belt toward rear of tractor, off the steering plate (See Fig. 28) (H) and remove from tractor. MOWER DRIVE BELT REMOVAL BELT INSTALLATION - • Park tractor on a level surface. En gage parking brake. 1.
  • Page 24 SERVICE AND ADJUSTMENTS FRONT WHEEL TOE-IN/CAM BER TO REMOVE CABLES, REVERSE ORDER - • BLACK cable first from chassis and then from the fully Your new tractor front wheel toe-in and camber is set at the charged battery. factory and is normal. The front wheel toe-in and camber are not adjustable.

  • Page 25: Interlocks And Relays

    SERVICE AND ADJUSTMENTS TO REPLACE HEADLIGHT BULB ENGINE • Raise hood. TO AD JUST THROTTLE CON TROL CABLE • Pull bulb holder out of the hole in the backside of the grill. • Replace bulb in holder and push bulb holder securely back The throttle control has been preset at the factory and into the hole in the backside of the grill.

  • 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: Troubleshooting Points

    TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION 1. Out of fuel. 1. Fill fuel tank. Will not start 2. Engine not “CHOKED” properly. 2. See “TO START ENGINE” in Operation section. 3. Engine flooded. 3. Wait several minutes before attempting to start. 4.
  • Page 28 TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Engine continues 1. Faulty operator-safety presence control 1. Check wiring, switches and connections. If not system. corrected, contact an authorized service center/ to run when oper- department. ator leaves seat with attachment clutch engaged 1. Worn, bent or loose blade. 1.
  • Page 29 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 SCHEMATIC 02929-194276_Regulated-Tex BATTERY SOLENOID STARTER FUSE BLACK ELECTRIC CLUTCH WHITE BLACK WHITE WHITE GRAY CLUTCH/BRAKE (PEDAL UP) BLACK REVERSE SWITCH PTO SWITCH (NOT IN REVERSE) (DISENGAGED) BLACK BLACK...
  • Page 30 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 ELECTRICAL 194276D...
  • Page 31 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 ELECTRICAL PART DESCRIPTION 532 14 49-27 Battery 874 76 04-12 Bolt Hex Head 1/4-20 x 3/4 532 18 64-91 Box Battery 532 17 61-38 Switch Interlock Push-In 532 17 56-88 Harness Socket Light W/4152J...
  • Page 32 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 CHASSIS...
  • Page 33 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 CHASSIS PART DESCRIPTION 532 19 42-63 Drawbar 532 40 96-26 Dash 532 18 88-93 Hood 532 18 52-13 Lens LH 532 18 35-38 Grille/Lens Asm. 532 18 52-14 Lens RH...
  • Page 34 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 DRIVE...
  • Page 35 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 DRIVE PART PART DESCRIPTION DESCRIPTION – – – – – – Transaxle, Hydro 356-0510 532 19 72-90 Nut Push (Order parts from transaxle manu- 532 40 52-57 Latch Brake Parking facturer.)
  • Page 36 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 STEERING ASSEMBLY 53 8 steering-tex_7-lt PART PART DESCRIPTION DESCRIPTION 874 76 06-36 Bolt Hex 3/8-16 unc x 2-1/4 532 19 36-51 Wheel, Steering 532 19 76-36 Spacer Brace Axle 532 18 47-06 Axle Asm., Front...
  • Page 37 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 ENGINE 21 20 SPARK ARRESTER KIT engine-tex_20-Kohl PART PART DESCRIPTION DESCRIPTION 873 51 04-00 Nut Keps Hex 1/4-20 unc – – – – – – Engine Kohler Model No. SV540...
  • Page 38 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 SEAT ASSEMBLY seat-tex_3-lt PART PART DESCRIPTION DESCRIPTION 532 13 43-00 Spacer, Split 532 19 75-18 Seat 532 12 37-40 Spring CPRSN Plate 532 18 01-66 Bracket Pivot Fender...
  • Page 39 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 MOWER LIFT lift-tex_4 PART PART DESCRIPTION DESCRIPTION 532 19 42-08 Pin Cotter 5/16 Bow Tie Lock 532 19 52-23 Shaft Asm., Lift 532 19 51-81 Link Lift Susp Mower Rear 532 19 52-31 Lever Asm., Lift Rh...
  • Page 40 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 MOWER DECK...
  • Page 41 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 MOWER DECK PART PART DESCRIPTION DESCRIPTION 532 19 72-49 Arm, Idler 532 19 64-95 Mower Housing 532 19 90-92 Spacer, Retainer 532 19 51-86 Arm Suspension 817 00 06-16 Screw 3/8-16 x 1...
  • Page 42 TRACTOR - - MODEL NUMBER LTH1842 (96041004801), PRODUCT NO. 960 41 00-48 DECALS PART PART DESCRIPTION DESCRIPTION 532 17 83-02 Decal, Operators 532 40 03-89 Decal, CE 532 18 89-21 Decal, Hood 532 16 88-69 Decal, Tick Mark 532 19 31-77 Decal, Hood Panel SD 532 15 97-37 Decal, Brake/Clutch Sym.
  • Page 44 01.25.12 BD Printed in U.S.A.

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