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Husqvarna LTH18538 Owner's Manual

Husqvarna lawn mower user manual.
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532 43 62-86 Rev. 1


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  • Page 1

    ® Owner's Manual 532 43 62-86 Rev. 1...

  • Page 2

    Safe Operation 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 acci= dental starting when setting up, trans- porting, adjusting or making always disconnect...

  • Page 3

    Safe Operation ill. 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. •...

  • Page 4: Table Of Contents

    PRODUCT SPECiFiCATiONS Gasoline Capacity 1.5 Gallons and Type: Unleaded Regular Oil Type (API-SG-SL): SAE 30 (above 32°F) SAE 5W-30 (below 32°F) Oil Capacity: 48 oz. Spark Plug: Champion RC12YC (Gap: .030") Ground Speed (MPH): Forward: Reverse: Charging System: 3 AMPS Battery 5 AMPS Headlight Battery: AMP/HR:...

  • Page 5

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

  • Page 6

    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. TOOLS REQUIRED FOR ASSEMBLY A socket wrench set will make assembly easier.

  • Page 7

    iNSTALL SEAT (See Figs. 3 and 4) Remove bolt and flat washer securing seat to cardboard packing and set aside for assembly of seat to tractor. Remove the cardboard packing and discard. Connect switch to seat. Place seat on seat pan so all three (3) bottom pads are positioned over large slotted holes in pan.

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    NOTE: You may now roll your tractor off the skid. Follow the instructions below to remove the tractor from the skid. _iL.WARNING: Before starting, read, understand and follow all instructions in the Operation section of this manual. Be sure tractor is in a well-ventilated area. Be sure the area in front of tractor is clear of other people and objects.

  • Page 9

    These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning. REVERSE NEUTRAL ENGINE OFF REVERSE ENGINE ON OPERATION SYSTEM (ROS) LIGHTS ON FUEL BATTERY ATTACHMENT ATTACHMENT CLUTCH ENGAGED CLUTCH DISENGAGED FREE WHEEL (Automatic Models only)

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    KNOW YOUR TRACTOR READ THiS OWNER'S MANUAL Compare the illustrations with your tractor to familiarize yourself with the locations of various controls and adjustments. Save this manual for future reference. Our tractors conform to the applicable 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...

  • Page 11

    The operation of any tractor in severe eye damage. Always wear safety glasses or eye shields while operating your tractor or performing any adjustments or repairs. We recommend a wide vision safety mask over spectacles or standard safety glasses. HOW TO USE YOUR TRACTOR TO SET PARKING BRAKE Your tractor is equipped with an operator presence sens-...

  • Page 12

    TO ADJUST MOWER CUTTING (See Fig. 11) The position of the attachment lift lever (A) determines the cutting height. Fig. 11 • Put attachment lift lever in desired cutting height slot. The cutting height range is approximately heights are measured from the ground to the blade tip with the engine not running.

  • Page 13

    TOWING CARTS & OTHER ATTACHMENTS Tow only the attachments that are recommended comply with specifications of the manufacturer of your trac- tor. Use common sense when towing. Too heavy of a load, while on a slope, is dangerous. Tires can lose traction with the ground and cause you to lose control of your tractor.

  • Page 14

    Insert key into ignitionandturn key clockwise to "START" position and release key as soon as engine starts. Do not run starter continuously for more than fifteen seconds per minute. If the engine does not start after several attempts, move throttle control to fast position, wait a few minutes and try again.

  • Page 15: Maintenance

    MAINTENANCE SCHEDULE Check Brake Operation Check Tire Pressure Presence & ROS Check Operator Check for Loose Fasteners Mower Blades Check/Replace Lubrication Chart Level Check Battery and Terminals Clean Battery Clean Debris Off Plate Steering Check Transaxle Cooling Check Mower Levelness Check V-Belts Check Engine...

  • Page 16

    TRACTOR Always observe safety rules when maintenance. BRAKE OPERATION If tractor requires more than five (5) feet to stop at highest speed in highest gear on a level, dry concrete or paved surface, then brake must be checked and adjusted. (See "TO CHECK BRAKE"...

  • Page 17

    TRANSAXLE MAINTENANCE 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. To prevent pos- sible damage to seals, do not use high pressure water or steam to clean transmission.

  • Page 18

    ENGINE COOLING SYSTEM Debris may clog the engine's air cooling system. Remove blower housing and clean the area shown to prevent over- heating and engine damage. CLEAN OUT CHAFF AND DEBRIS Fig. 20 MUFFLER Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or damage.

  • Page 19: Service And Adjustments

    SERVICE AND ADJUSTMENTS WARNING: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: Depress brake pedal fully and set parking brake. Place motion control lever in neutral position. Place attachment clutch in "DISENGAGED" Turn ignition key to "STOP" and remove key. Make sure the blades and all moving parts have completely stopped.

  • Page 20

    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. 24 ATTACH REAR LIFT LINKS (C) - Lift rear corner of mower and position slot in link assembly over pin (D) on rear mower bracket and secure with washer and retainer spring.

  • Page 21

    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 22

    SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE (See Fig. 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 MOWER" in this section of manual). •...

  • Page 23

    SERVICE AND ADJUSTMENTS TRANSAXLE MOTION CONTROL NEUTRAL ADJUSTMENT (See Fig. 35) The motion control lever has been preset at the factory and adjustment should not be necessary. • Loosen adjustment bolt in front of the right rear wheel, and lightly tighten. •...

  • Page 24

    SERVICE AND ADJUSTMENTS REPLACING BATTERY (See Fig. 38) WARNING: Do not terminals by allowing a wrench or any other object to contact both terminals at the same time. Before battery, remove metal wristwatch bands, rings, etc. Positive terminal must be connected prevent sparking from...

  • Page 25: 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. gasoline in the tank inside a building where fumes may reach an open flame WARNING: Never store the tractor with or spark.

  • Page 26: Troubleshooting

    TROUBLESHOOTING CAUSE PROBLEM 1. Out of fuel. Will not start 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. Dirty air filter.

  • Page 27

    TROUBLESHOOTING CAUSE PROBLEM Engine continues Faulty operator-safety system. to run when oper= ator [eaves seat with attachment clutch engaged 1. Worn, bent or loose blade. Poor cut =uneven Mower deck not level. Buildup of grass, leaves, trash under mower. Bent blade mandrel. Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels.

  • Page 28

    532 12 49-59 532 17 50-39 532 42 05-31 532 12 49-26 532 13 83-37 532 14 43-34 NOTE: All component dimensions given in U.S. inches LTH18538 (289600) PART DESCRIPTION 532 17 05-63 Decal, Warning Decal, Mower V-Belt Schematic 532 19 43-02...

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  • Page 30

    TRACTOR -- MODEL NUMBER LTH18538 (289600) ELECTRICAL T02S With 12V Outlet Option I\J_-- With Service Minder Option 1 87 "f...

  • Page 31

    TRACTOR - - MODEL NUMBER LTH18538 (289600) ELECTRICAL PART DESCRIPTION 532 16 34-65 Battery 874 76 04-12 Bolt Hex Head 1/4-20 x 3/4 532 19 32-28 Box Battery 532 17 61-38 Switch Interlock Push-In 532 40 02-52 Harness Socket Light w/4152J...

  • Page 32

    TRACTOR -- MODEL NUMBER LTH18538 (289600) CHASSIS 137 /_ .194 183 _ _235 chassis-tex TEX LT HUSQ 16 r2...

  • Page 33

    TRACTOR - - MODEL NUMBER LTH18538 (289600) CHASSIS PART DESCRIPTION 532 40 50-12 Logo Dash 532 40 75-92 Hood 532 41 10-73 LensLH 532 41 10-79 Grille 532 42 69-63 Lens RH 532 41 10-78 532 19 61-25 Plate Engine...

  • Page 34

    TRACTOR -- MODEL NUMBER LTH18538 (289600) DRIVE drive-tex fender 18 rl •...

  • Page 35

    TRACTOR - - MODEL NUMBER LTH18538 (289600) DRIVE PART DESCRIPTION Transaxle, Tufftorq K46BA (Internal Parts Not Available) 532 12 35-83 Key Square 819 13 13-16 Washer 13/32 x 13/16 x 16 Ga. 532 41 36-78 Spring, Brake Rod Shift 532 19 78-60...

  • Page 36

    TRACTOR -- MODEL NUMBER LTH18538 (289600) ENGINE _--37 OPTIONAL EQUIPMENT Spark Attester engine-tex_BS_36...

  • Page 37

    TRACTOR - - MODEL NUMBER LTH18538 (289600) ENGINE Engine Power Rating Information The gross power rating for individual gas engine models is labeled in accordance with SAE (Society of Automotive En- gineers) code J1940 (Small Engine Power & Torque Rating Procedure), and rating performance corrected in accordance with SAE J1995 (Revision 2002-05).

  • Page 38

    TRACTOR -- MODEL NUMBER LTH18538 (289600) STEERING ASSEMBLY steering-tex_STDHRR 5 rl...

  • Page 39

    TRACTOR - - MODEL NUMBER LTH18538 (289600) STEERING ASSEMBLY PART DESCRiPTiON 532 42 34-69 Wheel, Steering 532 19 59-68 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.

  • Page 40

    TRACTOR -- MODEL NUMBER LTH18538 (289600) MOWER DECK 38-8_Tex-LT_5 ...116...

  • Page 41

    TRACTOR - - MODEL NUMBER LTH18538 (289600) MOWER DECK PART DESCRIPTION 532 41 14-83 Mower Housing 532 19 51-86 Arm Suspension Screw #10 x 0.750 BOS Thread 532 41 83-58 532 19 30-03 Bolt/Washer asm 7/18-20 unf Blade 38" 3N1 PREMIUM 532 19 39-57 Blade 38"...

  • Page 42

    TRACTOR -- MODEL NUMBER LTH18538 (289600) MOWER LIFT PART DESCRiPTiON 532 42 20-27 Shaft Asm., Lift Lever Asm., Lift RH 532 19 52-31 532 41 15-55 Grip, Lever 532 19 63-14 Spring Torsion 532 19 42-09 Pin Cotter 7/16 Bow Tie Lock...

  • Page 43

    TRACTOR - - MODEL NUMBER LTH18538 (289600) SEAT ASSEMBLY seat-tex_6-tex PART DESCRIPTION Seat 532 42 40-67 Bracket Pivot Fender 532 18 01-68 532 14 06-75 Strap, Asm Fender 873 80 08-00 Nut, Lock w/Ins. 3/8-16 unc 532 12 41-81 Spring, Seat Cprsn...

  • Page 44

    TRACTOR - - MODEL NUMBER LTH18538 (289600) TUFFTORQ TRANSAXLE MODEL K46BA 7A646084100 ACTUAL MAY NOT APPEAR AS SHOWN MODEL NO. K46BA _m87 _/_-'_ PARTS _--s6 Om34 _m34 --84...

  • Page 45

    TRACTOR -- MODEL NUMBER LTH18538 (289600) TUFFTORQ TRANSAXLE PART DESCRiPTiON 532 41 43-95 Vent Valve 15 532 41 43-96 Magnet 532 41 43-97 Magnet Holder 532 41 59-23 Pump Shaft/Bearing Kit 532 41 43-98 Bypass Lever 532 41 43-99 Sealing Cap 30...

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  • Page 47

    TRACTOR -- MODEL NUMBER LTH18538 (289600) BRIGGS ENGINE - MODEL NUMBER 31 N707, TYPE NUMBER 1374-B1 510_1051 1023_ 1022 1005 lO4O ,,,%. ,,_' ,o5,_+ 5240 .:::_ 1044 15 _ 404 # 654:# 614 [l 1044...

  • Page 48

    TRACTOR - - MODEL NUMBER LTH18538 (289600) BRIGGS ENGINE - MODEL NUMBER 31 N707, TYPE NUMBER 1374-B1 PART DESCRIPTION 796010 Cylinder Assembly 399265 Bushing/SeaIKit (Magneto Side) • 391086s Seal-Oil (Magneto Side) 697106 Sump-Engine 796025 Head-Cylinder 796584 Gasket-Cylinder 794683 Tube-Breather • 697110...

  • Page 49

    TRACTOR -- MODEL NUMBER LTH18538 (289600) BRIGGS ENGINE - MODEL NUMBER 31 N707, TYPE NUMBER 1374-B1 PART DESCRiPTiON 691119 Screw (Governor Control Lever) 691029 Nut (Starter Cable) 794682 Cover-Breather with Liquid Sealant, Reference 850) • 697109 Gasket-Breather 791850 Hose-Clamp (Green)

  • Page 50

    SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION 1. Fold this page along dotted 2. Hold trunk 3. Sight across 4. Compare ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL 15 DEGREES MAX. down the face of slopes, never across the face. Do not mow ARNING: To avoid serious injury, operate...

  • Page 51

    (e.g., engines and transmissions) Husqvarna will repair or replace at its discretion, any detective product or part covered by the Limited Warranty, tree of charge at any authorized Husqvarna Servicing Dealer/Center exclusions described below.

  • Page 52

    Servicing expense) to deliver or ship your Husqvarna unit to an authorized Husqvarna Servicing Dealer/Center of your unit alter the repairs have been made. If you do not lcnow the location of your nearest authorized Husqvarna Servicing Dealer, call Husqvarna, at 1-800-487-5951 during the hours of 8:00 AM to 8:00 PM Eastern Standard Time, or visit

  • Page 53

    Components * See Separate Engine Manufacturer's LCT Engines on specific Snow Throwers & Tillers, warranty through Husqvarna. ** See reference 1 (b) of the warranty statement. RZ - Two (2) Year Consumer warranty, parts & labor, with Hydro-Gear Distributor network.

  • Page 54

    • See Separate Engine Manufacturer's LCT Engines on specific Snow Throwers & Tillers, warranty through Husqvarna. •* See reference 1 (b) of the warranty statement. RZ - Two (2) Year Consumer warranty, parts & labor, with Hydro-Gear Distributor network.

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    Husqvarna _ 06.03.10 JA Printed in the U.S.A.

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  • Merle Jan 02, 2016 08:57:
    I bought a LTH18538 9604301710​0 lawn tractor. What number mulch cover [ plug } do I get for it. Thanks