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

Husqvarna tractor owner's manual
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03002
LTH1842
Owner's Manual

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Summary of Contents for Husqvarna LTH1842

  • Page 1 03002 LTH1842 Owner'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 3.0 Gallons and type: Unleaded Regular Oil Type (API-SG-SL): SAE 30 (above 32°F) SAE 5W-30 (below 32°F) Oil Capacity: W/ Filter: W/O Filter: Spark Plug: Champion QC12YC (Gap: .030") Ground Speed (MPH): Forward: Reverse: Charging System: 15 AMPS @ 3600 RPM Battery: AMP/HR:...

  • Page 5: Assembly

    UNASSEMBLED PARTS (2) Keys Your new tractor has been assembled at the factory with the exception of those parts left unassembled for shipping puposes. When right or left hand is mentioned in this man ual, it means when you are in the operating po si tion (seated be hind the steer ing wheel).

  • Page 6: Assembly

    NOTE: You may now roll or drive 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 7: Operation

    These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their mean- ing. 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...
  • Page 8 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 –...
  • Page 9 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 10 TO ADJUST MOWER CUT TING HEIGHT (See Fig. 8) The po si tion of the at tach ment lift le ver (A) de ter mines the cut ting height. • Put attachment lift lever in desired cutting height slot. The cutting height range is ap prox i mate ly 1" to 4". The heights are measured from the ground to the blade tip with the engine not running.
  • Page 11 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 12 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 13: 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 14: 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 Check V-Belts Check Engine Oil Level Change Engine Oil (with oil filter) Change Engine Oil (without oil filter) Clean Air Filter...

  • Page 15: 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 serviced. (See “TO CHECK BRAKE”...

  • Page 16: Clean Air Screen

    • Coat terminals with grease or petroleum jelly. • Reinstall battery (See “REPLACING BATTERY" in the SERVICE AND ADJUSTMENTS section of this man u al). 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.

  • Page 17: Spark Plugs

    MUFFLER Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or dam- age. SPARK PLUGS Replace spark plugs at the beginning of each mowing season or after every 100 hours of operation, whichever occurs first.

  • Page 18: 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 19 SERVICE AND ADJUSTMENTS FIG. 18 • 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 retainer spring. • Repeat on opposite side of tractor. FIG.
  • Page 20 SERVICE AND ADJUSTMENTS PRECISION SIDE-TO-SIDE ADJUSTMENT (See Fig. 23) • With all tires properly inflated, park tractor on level ground or driveway. CAUTION: Blades are sharp. Protect your hands with gloves and/or wrap blade with heavy cloth. • Raise mower to its highest position. •...

  • Page 21: To Replace Motion Drive Belt

    SERVICE AND ADJUSTMENTS FIG. 26 TO REPLACE MOTION DRIVE BELT (See Fig. 27) Park the tractor on level surface. En gage parking brake. For as sis tance, there is a belt installation guide decal on bottom side of left footrest. BELT REMOVAL - •...

  • Page 22: Interlocks And Relays

    SERVICE AND ADJUSTMENTS • Replace washers and snap retaining ring securely in axle groove. • Replace axle cover. NOTE: To seal tire punctures and prevent flat tires due to slow leaks, tire sealant may be purchased from your local parts dealer. Tire sealant also prevents tire dry rot and corrosion.
  • Page 23 SERVICE AND ADJUSTMENTS TO REMOVE HOOD AND GRILL ASSEMBLY (See Fig. 31) • Raise hood. • Unsnap headlight wire connector. • Stand in front of tractor. Grasp hood at sides, tilt toward engine and lift off of tractor. • To replace, reverse above procedure. HOOD 02778 FIG.

  • Page 24: 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 25: Trou Ble Shoot Ing

    TROUBLESHOOTING POINTS PROBLEM CAUSE Will not start Out of fuel. Engine not “CHOKED” properly. Engine flooded. Bad spark plug. Weak or dead battery. Dirty air filter. Dirty fuel filter. Water in fuel. Loose or damaged wiring. Carburetor out of adjustment. Engine valves out of adjustment.

  • Page 26: Trou Ble Shoot Ing

    TROUBLESHOOTING POINTS PROBLEM CAUSE Engine dies when Reverse operation system tractor is shifted (ROS) is not "ON" while into reverse mower or other attachment is engaged. 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.
  • Page 27 SCHEMATIC 02929-194276_Regulated-Tex IGNITION SWITCH POSITION CIRCUIT “MAKE” M+G+A1 B+A1 RUN/OVERRIDE B+A1 L+A2 START B + S + A1 02929 BATTERY SOLENOID FUSE WHITE WHITE BLACK PTO SWITCH (DISENGAGED) BLACK BLACK BLACK BLACK CONNECTOR IGNITION UNIT (OPTIONAL) HOUR BLUE METER FUEL LINE BLUE CHARGING SYSTEM OUTPUT...

  • Page 28: Warranty

    TRACTOR --- - MODEL NUMBER LTH1842 (96041004800), PRODUCT NO. 960 41 00-48 ELECTRICAL 194276D...
  • Page 29 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 532 00 41-52 Bulb Light 532 40 02-53 Cable Brty 532 40 16-62 Cable Starter 532 17 51-58 Fuse 873 51 04-00 Nut Keps Hex 1/4-20 unc...
  • Page 30 CHASSIS...
  • Page 31 CHASSIS NOTE: All component dimensions given in U.S. inches PART DESCRIPTION 532 19 42-63 Drawbar 532 40 96-26 Dash 532 18 88-93 Hood 532 18 52-12 Lens LH 532 18 35-38 Grille/Lens Asm. 532 18 52-14 Lens RH 817 06 05-12 Screw 5/16-18 x 3/4 532 40 49-40 Fender 817 49 05-08 Screw Thdrol 5/16-18 x 1/2 532 40 50-92 Rod Asm Bypass...
  • Page 32 DRIVE...
  • Page 33 DRIVE PART DESCRIPTION - - - - - - Transaxle, Hydro 356-0510 (Order Parts from Transaxle Manufacturer) 532 12 35-83 Key Square 819 13 13-16 Washer 13/32 x 13/16 x 16 Ga. 532 19 72-96 Spring, Brake 532 19 76-59 Rod, Brake 812 00 00-01 Ring E 532 19 77-22 Rod, Brake, Park 532 12 17-49 Washer 25/32 x 1-1/4 x 16 Ga.
  • Page 34 STEERING ASSEMBLY steering-tex_7-lt PART DESCRIPTION 532 19 35-61 Wheel, Steering 532 18 47-06 Axle Asm., Front 532 40 30-87 Spindle Asm., LH 532 40 30-88 Spindle Asm., RH 532 12 49-31 Bearing, Race Thrust Harden 532 12 17-48 Washer 25/32 x 1-5/8 x 16 Ga. 812 00 00-29 Ring, Klip #T5304-75 532 12 12-32 Cap, Spindle 532 12 17-49 Washer 25/32 x 1-1/4 x 16 Ga.
  • Page 35 ENGINE PART DESCRIPTION - - - - - - Engine Kohler Model No.SV540 532 18 86-55 Muffler 532 19 43-19 Keeper Belt Engine 532 18 05-05 Clutch Ogura 532 19 43-38 Pulley Engine 532 40 00-21 Tank Fuel 532 19 42-67 Cap Asm 532 18 38-97 Control Throttle 532 19 16-11 Screw 10 x 3/4 Single Lead-Hex 532 14 21-58 Fuel Line...
  • Page 36 SEAT ASSEMBLY seat-tex_3-lt PART DESCRIPTION 532 19 75-18 Seat 532 18 01-66 Bracket Pivot Fender 532 14 06-75 Strap, Asm Fender 532 14 50-06 Clip, Push In, Hinged 873 80 06-00 Nut, Lock W/Ins. 3/8-16 unc 532 12 41-81 Spring, Seat Cprsn 532 17 18-77 Bolt 5/16-18 uncx 3/4 w/Sems 532 19 91-80 Pan, Seat 532 19 93-70 Bracket, Seat...
  • Page 37 DECALS PART DESCRIPTION 532 17 83-02 Decal, Operators 532 18 89-21 Decal, Hood 532 19 31-77 Decal, Hood Panel SD 532 15 97-36 Decal, Hot Muffler 532 14 08-37 Decal, Saddle Brake Parking 532 12 44-33 Decal, DBA 532 18 89-25 Decal, Steering Wheel 532 19 68-41 Decal, Warn.
  • Page 38 TRACTOR --- - MODEL NUMBER LTH1842 (96041004800), PRODUCT NO. 960 41 00-48 MOWER DECK...
  • Page 39 MOWER DECK PART DESCRIPTION 532 19 64-95 Mower Housing 532 19 51-86 Arm Suspension 532 19 30-03 Bolt/Washer asm 7/16-20 unf 532 13 89-71 Blade, 42" Hi-Lift (For bagging or discharge) 532 19 28-72 Shaft Assembly, Mandrel 532 18 72-81 Housing, Mandrel 532 11 04-85 Bearing, Ball, Mandrel 532 17 44-93 Stripper, Mower Deck 532 19 65-39 Bolt, Shoulder...
  • Page 40 MOWER LIFT lift-tex_4 PART DESCRIPTION 532 19 52-23 Shaft Asm., Lift 532 19 52-31 Lever Asm., Lift Rh 532 19 64-92 Grip, Lever 532 19 63-14 Spring Torsion 532 19 42-09 Pin Cotter 7/16 Bow Tie Lock 532 19 53-03 Spring Lift Assist 819 19 19-12 Washer Clear Zinc PART 532 19 42-08 Pin Cotter 5/16 Bow Tie Lock...
  • Page 41 SERVICE NOTES...
  • Page 42 SERVICE NOTES...
  • Page 44 532 40 94-78 Rev. 2 05.01.07 CL Printed in U.S.A.

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