LTH125 Owner’s Manual
SAFETY RULES Safe Operation Practices for Ride-On Mowers IMPORTANT: 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. I. GENERAL OPERATION III. CHILDREN • Read, understand, and follow all instructions in the manual and on the machine before starting. Only allow responsible adults, who are familiar with the instructions, to operate the machine.
PRODUCT SPECIFICATIONS CONGRATULATIONS on your purchase of a new tractor. It has been designed, engineered and manufactured to give you the best possible dependability and performance. Should you experience any problem you cannot easily remedy, please contact your nearest authorized service center. We have competent, well-trained technicians and the proper tools to service or repair this tractor. Please read and retain this manual.
TABLE OF CONTENTS SAFETY RULES............................................................ 2 PRODUCT SPECIFICATIONS ...................................... 3 CUSTOMER RESPONSIBILITIES ..................... 3, 15-19 ASSEMBLY ................................................................ 6-9 OPERATION ........................................................... 10-14 MAINTENANCE SCHEDULE ..................................... 15 SERVICE AND ADJUSTMENTS ........................... 20-25 STORAGE ...............
CONTENTS OF HARDWARE PACK 5
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 INSERT A socket wrench set will make assembly easier. Standard wrench sizes are listed.
ASSEMBLY HOW TO SET UP YOUR TRACTOR INSTALL SEAT (See Fig. 3) PREPARE BATTERY (See Fig. 2) Adjust seat before tightening adjustment knob. • Remove cardboard packing on seat pan. • Place seat on pan and assemble shoulder bolt. • Assemble adjustment knob and flat washer loosely. Do not tighten. • Tighten shoulder bolt securely. • Lower seat into operating position and sit on seat. • Slide seat until a comfortable position is reached which allows you to press clutch/brake pedal all the way down.
ASSEMBLY INSTALL BATTERY (See Figs. 4 & 5) BATTERY BOX DOOR CAUTION: Do not short battery terminals. Before installing battery, remove metal bracelets, wristwatch bands, rings, etc. Positive terminal must be connected first to prevent sparking from accidental grounding. POSITIVE (RED) CABLE Lift seat to raised position. Open battery box door. Be sure battery drain tube is attached to battery box. Lower battery into battery box with battery terminals toward front of tractor.
ASSEMBLY INSTALL MULCHER PLATE (See Figs.6 & 7) DEFLECTOR SHIELD • Install two latch hooks to mulcher plate using screw, washer, lock washer, and weld nut as shown. NOTE: Pre-assemble weld nut to latch hook by inserting weld nut from the top with hook pointing down. • Tighten hardware securely. • Raise and hold deflector shield in upright position. • Place front of mulcher plate over front of mower deck opening and slide into place, as shown. • Hook front latch into hole on front of mower deck.
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 adjustments. Save this manual for future reference. LIGHT SWITCH POSITION THROTTLE/CHOKE CONTROL LIFT LEVER PLUNGER ATTACHMENT LIFT LEVER ATTACHMENT CLUTCH LEVER CLUTCH/BRAKE PEDAL IGNITION SWITCH PARKING BRAKE MOTION CONTROL LEVER FREEWHEEL CONTROL HEIGHT ADJUSTMENT KNOB FIG.
OPERATION The operation of any tractor can result in foreign objects thrown into the eyes, which can result 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 for over the spectacles or standard safety glasses. HOW TO USE YOUR TRACTOR • Turn ignition key to “OFF” position and remove key. Always remove key when leaving tractor to prevent unauthorized use.
OPERATION TO OPERATE MOWER (See Fig. 10) • • Your tractor is equipped with an operator presence sensing switch. Any attempt by the operator to leave the seat with the engine running and the mower clutch engaged will shut off the engine. • Select desired height of cut. • Lower mower with attachment lift control. • Start mower blades by engaging attachment clutch control. • TO STOP MOWER BLADES - disengage attachment clutch control. TO TRANSPORT (See Fig.
OPERATION MOWING TIPS MULCHING MOWING TIPS • IMP OR TAN T: FO R BES T PER FO RMA NC E, KE EP MOWER HOUSING FREE OF BUILT-UP GRASS AND TRASH. CLEAN AFTER EACH USE. • • • • • • • • Tire chains cannot be used when the mower housing 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. The left hand side of mower should be used for trimming.
CUSTOMER RESPONSIBILITIES LUBRICATION CHART GENERAL RECOMMENDATIONS The warranty on this tractor does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warranty, operator must maintain tractor as instructed in this manual. Some adjustments will need to be made periodically to properly maintain your tractor. All adjustments in the Service and Adjustments section of this manual should be checked at least once each season.
CUSTOMER RESPONSIBILITIES TRACTOR TO SHARPEN BLADE (See Fig. 15) Always observe safety rules when performing any maintenance. Care should be taken to keep the blade balanced. An unbalanced blade will cause excessive vibration and eventual damage to mower and engine. • The blade can be sharpened with a file or on a grinding wheel. Do not attempt to sharpen while on the mower. • To check blade balance, you will need a 5/8" diameter steel bolt, pin, or a cone balancer.
CUSTOMER RESPONSIBILITIES BATTERY (See Fig. 16) TRANSAXLE COOLING Your tractor has a battery charging system which is sufficient for normal use. However, periodic charging of the battery with an automotive charger will extend it's life. • Acid solution level in each battery cell should be even with bottoms of vent wells. Add only distilled or iron free water if necessary. Do not overfill. • Keep battery and terminals clean. • Keep battery bolts tight.
CUSTOMER RESPONSIBILITIES CLEAN AIR SCREEN (See Fig. 19) ENGINE Air screen must be kept free of dirt and chaff to prevent engine damage from overheating. Clean with a wire brush or compressed air to remove dirt and stubborn dried gum fibers. LUBRICATION Only use high quality detergent oil rated with API service classification SF or SG. Select the oil's SAE viscosity grade according to your expected operating temperature.
CUSTOMER RESPONSIBILITIES ENGINE COOLING FINS (See Fig. 19) MUFFLER Remove any dust, dirt or oil from engine cooling fins to prevent engine damage from overheating. • Remove screws from blower housing and lift housing and dipstick tube assembly off engine. • Cover oil fill opening to prevent entry of dirt. • Use compressed air or stiff bristle brush to thoroughly clean engine cooling fins. • To reassemble, reverse above procedure.
SERVICE AND ADJUSTMENTS CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: • Depress clutch/brake pedal fully and set parking brake. • Place motion control lever in neutral (N) position. • Place attachment clutch in "DISENGAGED" position. • Turn ignition key "OFF" and remove key. • Make sure the blades and all moving parts have completely stopped. • Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug. TO REMOVE MOWER (See Fig.
SERVICE AND ADJUSTMENTS FRONT-TO-BACK ADJUSTMENT (See Figs. 24 and 25) TO LEVEL MOWER HOUSING IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TOSIDE. Adjust the mower while tractor is parked on level ground or driveway. Make sure tires are properly inflated (See “PRODUCT SPECIFICATIONS” on page 3 of this manual).
SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 26) WITH PARKING BRAKE "ENGAGED" The mower blade drive belt may be replaced without tools. Park the tractor on level surface. Engage parking brake. NUT “A” BELT REMOVAL • Remove mower from tractor (See “TO REMOVE MOWER” in this section of this manual). • Work belt off both mandrel pulleys and idler pulleys. • Pull belt away from mower. JAM NUT BELT INSTALLATION • Install new belt in reverse order of removal.
SERVICE AND ADJUSTMENTS TO ADJUST MOTION CONTROL LEVER (See Fig.29) TO ADJUST STEERING WHEEL ALIGNMENT If steering wheel crossbars are not horizontal (left to right) when wheels are positioned straight forward, remove steering wheel and reassemble per instructions in the Assembly section of this manual. The motion control lever has been preset at the factory and adjustment should not be necessary.
SERVICE AND ADJUSTMENTS TO REPLACE FUSE TO START ENGINE WITH A WEAK BATTERY (See Fig. 31) Replace with 30 amp automotive-type plug-in fuse. The fuse holder is located behind the dash. CAUTION: Lead-acid batteries generate explosive gases. Keep sparks, flame and smoking materials away from batteries. Always wear eye protection when around batteries. TO REPLACE HEADLIGHT BULB • • • If your battery is too weak to start the engine, it should be recharged.
SERVICE AND ADJUSTMENTS ENGINE FINAL SETTING • Start engine and allow to warm for five minutes. Make final adjustments with engine running and shift/motion control lever in neutral (N) position. • Move throttle control lever to slow ( ) position. With finger, rotate and hold throttle lever against idle speed screw. Turn idle speed screw to attain 1750 RPM.
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. ENGINE FUEL SYSTEM IMPORTANT: IT IS IMPORTANT TO PREVENT GUM DEPO SITS FRO M FO RMIN G I N ES SENT IAL FUEL SYSTEM PARTS SUCH AS CARBURETOR, FUEL FILTER, FUEL HOSE, OR TANK DURING STORAGE. ALSO, EXPERIENCE INDICATES THAT ALCOHOL BLENDED FUELS (CALLED GASOHOL OR USING ETHANOL OR METHANOL) CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE.
TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Will not start 1. 2. 3. 4. 5. 6. 7. Out of fuel. Engine not “CHOKED” properly. Engine flooded. Bad spark plug. Dirty air filter. Dirty fuel filter. Water in fuel. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Loose or damaged wiring. Carburetor out of adjustment. Engine valves out of adjustment. 8. 9. 10. Fill fuel tank. See “TO START ENGINE” in Operation section. Wait several minutes before attempting to start. Replace spark plug. Clean/replace air filter.
TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Engine continues to run when operator leaves seat with attachment clutch engaged 1. Faulty operator-safety presence control system. 1. Check wiring, switches and connections. If not corrected, contact an authorized service center/ department. Poor cut - uneven 1. 2. 3. 4. 5. Worn, bent or loose blade. Mower deck not level. Buildup of grass, leaves, and trash under mower. Bent blade mandrel.
TRACTOR - MODEL NO. LTH125 (HC125H42C), PRODUCT NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO. 954 00 27-21 ELECTRICAL KEY NO. PART NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO. 954 00 27-21 CHASSIS AND ENCLOSURES KEY NO. PART NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO. 954 00 27-21 DRIVE KEY NO. PART NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO. 954 00 27-21 STEERING AND FRONT AXLE KEY NO. PART NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO. 954 00 27-21 ENGINE KEY PART NO. NO. 1 532140310 2 817720410 3 ------4 13 14 15 16 18 19 20 21 22 23 24 29 532137348 532125593 813280324 813200300 811050600 532136718 532105839 532105838 819091016 532123650 532128953 817021008 532137180 KEY NO. DESCRIPTION Control Th/ch RH Blk Tee Eec Screw Hex Thd Cut 1/4-20x5/8 T Engine B&S 12.5HP Icq Dual 1vt Model No 286707 Muffler LT B&s 12/12.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO. 954 00 27-21 SEAT KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 PART NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO. 954 00 27-21 DECALS 2 15 1 3 8 17 13 4 9 7 10 5 6 KEY NO. PART NO. 1 2 3 4 5 6 7 8 532143609 532143608 532143742 532131582 532129057 532136832 532137259 532140820 9 10 12 13 532142337 532133671 532101892 532121549 12 DESCRIPTION 10 KEY NO. Decal Hood Husqvarna LH Decal Hood Husqvarna RH Decal Panel Side LH Decal Fender Decal Engine 12.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO. 954 00 27-21 LIFT KEY NO. PART NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO. 954 00 27-21 42" MOWER DECK KEY NO. PART NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO. 954 00 27-21 HYDRO-GEAR TRANSAXLE - MODEL NO.
REPAIR PARTS TRACTOR- -MODEL NO. LTH125 (HC125H42C), PRODUCT NO. 954 00 27-21 HYDRO-GEAR TRANSAXLE - MODEL NO. 310-0500 KEY PART NO. NO.
SERVICE NOTES 48
SERVICE NOTES 49
Effective May 1, 1992 WARRANTY STATEMENT SECTION 1: LIMITED WARRANTY Husqvarna Forest & Garden Company ("Husqvarna") warrants Husqvarna product to the original purchaser to be free from defective material and workmanship from the date of purchase for the "Warranty Period” here stated dependent upon the type of product use. Warranty period is as follows for products listed: 5 Year Warranty: Plastic walk behind mower decks for noncommercial, noninstitutional or nonincome producing use.
532145999 Rev. 1 10.10.94 Printed in U.S.A.
