Husqvarna LTH120 manual

1 LT H 1 2 0 Owner’ s Manual[...]

2 I . GENERAL OPERATION • 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. • Clear the area of objects such as rocks, toys, wire, etc., which could be picked up and thrown by the blade. • Be sure th[...]

3 Look for this symbol to point out impor- tant safety precautions. It means CAU- TION!!! BECOME ALERT!!! YOUR SAFETY IS INVOLVED. CAUTION: In order to prevent acci- dental starting when setting up, transporting, adjusting or making repairs, always disconnect spark plug wire and place wire where it cannot contact spark plug. W ARNING The engine exh[...]

4 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/department. We have competent, well-trained tech- nicians and the proper[...]

5 UNASSEMBLED P AR TS (1) Large Flat W asher (1) Lockn ut 5/16-18 (1) He x Bolt 5/16-18 x 1-1/4 (1) He x Bolt 3/8-16 x 1 (1) Lock washer 3/8 Steering Wheel Inser t Steering Extension Shaft Steering Slee v e Steering Wheel Steering Wheel Adapter (1) W asher 17/32 x 1-3/16 x 12 Gauge Seat (1) Shoulder Bolt 5/16-18 (2) K eys Keys Slope Sheet (1) Lock [...]

6 ASSEMBL Y 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. FIG. 1 T OOLS REQUIRED FOR ASSEMBL Y A[...]

7 ASSEMBL Y NOTE : You may now roll or drive your tractor off the skid. Follow the appropriate instruction below to remove the tractor from the skid. TO ROLL TRACTOR OFF SKID (See Opera- tion section, page 10, for location and func- tion of controls) • Press lift lever plunger and raise attachment lift lever to its highest position. • Release p[...]

8 ASSEMBL Y CHECKLIST BEFORE YOU OPERATE AND ENJOY YOUR NEW TRAC- TOR, WE WISH TO ASSURE THAT YOU RECEIVE THE BEST PERFORMANCE AND SATISFACTION FROM THIS QUALITY PRODUCT. PLEASE REVIEW THE FOLLOWING CHECKLIST: All assembly instructions have been completed. No remaining loose parts in carton. Battery is properly prepared and charged. (Minimum 1 hour[...]

9 OPERA TION These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning. BATTERY CAUTION OR WARNING REVERSE FORWARD FAST SLOW ENGINE ON ENGINE OFF OIL PRESSURE LIGHTS ON FUEL CHOKE MOWER HEIGHT PARKING BRAKE LOCKED UNLOCKED REVERSE NEUTRAL HIGH LOW ATTACHMENT CLUTCH ENGAGED MOWER LIFT DAN[...]

10 OPERA TION KNO W Y OUR TRA CT OR 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. FIG. 5 Our tractors conform to the safety standards of the American Nation[...]

11 OPERA TION 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 over spectacles or standard safety glasses. HO W T O USE Y OUR T[...]

12 BEFORE ST ARTING THE ENGINE CHECK ENGINE OIL LEVEL (See Fig. 13) • The engine in your tractor has been shipped, from the factory, already filled with summer weight oil. • Check engine oil with tractor on level ground. • Unthread and remove oil fill cap/dipstick; wipe oil off. Reinsert the dipstick into the tube and rest oil fill cap on the[...]

13 OPERA TION PURGE TRANSMISSION CAUTION: Never engage or disengage freewheel lever while the engine is run- ning. To ensure proper operation and performance, it is recom- mended that the transmission be purged before operating tractor for the first time. This procedure will remove any trapped air inside the transmission which may have devel- oped [...]

14 OPERA TION MULCHING MOWING TIPS IMPORTANT: FOR BEST PERFORMANCE, KEEP MOWER HOUSING FREE OF BUILT-UP GRASS AND TRASH. CLEAN AFTER EACH USE. • The special mulching blade will recut the grass clippings many times and reduce them in size so that as they fall onto the lawn they will disperse into the grass and not be noticed. Also, the mulched gra[...]

15 BEFORE EACH USE T R A C T 0 R Adjust Motion Drive Belt(s) Tension Inspect Muffler/Spark Arrester Lubrication Chart Check Brake Operation Clean Air Filter Change Engine Oil Replace Air Filter Paper Cartridge Replace Spark Plug Check Battery Level Check Tire Pressure Clean Battery and Terminals FILL IN DATES AS YOU COMPLETE REGULAR SERVICE MAINTEN[...]

16 CUST OMER RESPONSIBILITIES BLADE REMOVAL (See Fig. 11) • Raise mower to highest position to allow access to blades. • Remove hex bolt, lock washer and flat washer securing blade. • Install new or resharpened blade with trailing edge up towards deck as shown. FIG. 11 TRACTOR Always observe safety rules when performing any mainte- nance. BRA[...]

17 CUST OMER RESPONSIBILITIES FIG. 13 V-BELTS Check V-belts for deterioration and wear after 100 hours of operation and replace if necessary. The belts are not adjustable. Replace belts if they begin to slip from wear. TRANSAXLE COOLING The fan and cooling fins of transmission should be kept clean to assure proper cooling. Do not attempt to clean f[...]

18 CUST OMER RESPONSIBILITIES FUEL FILTER CLAMP CLAMP FIG. 15 MUFFLER Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or damage. SPARK PLUGS Replace spark plugs at the beginning of each mowing season or after every 100 hours of operation, whichever occurs first. Spark plug type and gap sett[...]

19 SER VICE 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[...]

20 SER VICE AND ADJUSTMENTS FIG. 20 FRONT-TO-BACK ADJUSTMENT (SEE FIGS. 23 AND 24) 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-TO- SIDE. To obtain the best cutting results, the mower housing should be adjusted so that the[...]

21 SER VICE AND ADJUSTMENTS FIG. 23 FIG. 24 TRANSMISSION REMOVAL/REPLACEMENT Should your transmission require removal for service or replacement, it should be purged after reinstallation and before operating the tractor. See “PURGE TRANSMIS- SION” in the Operation section of this manual. TRANSAXLE MOTION CONTROL LEVER NEUTRAL ADJUSTMENT (See Fi[...]

22 SER VICE AND ADJUSTMENTS RETAINING RING WASHERS AXLE COVER SQUARE KEY (REAR WHEEL ONLY) FIG. 25 TO REMOVE WHEEL FOR REPAIRS (See Fig. 25) • Block up axle securely. • Remove axle cover, retaining ring and washers to allow wheel removal (rear wheel contains a square key - Do not lose). • Repair tire and reassemble. • On rear wheels only: a[...]

23 SER VICE AND ADJUSTMENTS HOOD HEADLIGHT WIRE CONNECTOR FIG. 29 TO REPLACE HEADLIGHT BULB • Raise hood. • Pull bulb holder out of the hole in the backside of the grill. • Replace bulb in holder and push bulb holder securely back into the hole in the backside of the grill. • Close hood. INTERLOCKS AND RELAYS Loose or damaged wiring may cau[...]

24 ST ORA GE 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. CAUTION: Never store the tractor with gasoline in the tank inside a building where fumes may reach an open flame or spark. Allow the engine to cool before storing in any enclosure. TRA CT OR Remove mower from tr[...]

25 TR OUBLESHOO TING POINTS Will not start 1. Out of fuel. 1. Fill fuel tank. 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. Bad spark plug. 4. Replace spark plug. 5. Dirty air filter. 5. Clean/replace air filter. 6. Dirty fuel filter.[...]

26 TR OUBLESHOO TING POINTS Engine continues to run 1. Faulty operator-safety presence control system. 1. Check wiring, switches and connections. If not when operator leaves seat corrected, contact an authorized service center/ with attachment clutch department. engaged Poor cut - uneven 1. Worn, bent or loose blade. 1. Replace blade. Tighten blade[...]

27 TRA CT OR - MODEL NO. L TH120 (954140106A), PRODUCT NO . 954 14 01-06 SCHEMATIC BATTERY FUSE IGNITION SWITCH RED RED RED BLACK IGNITION UNIT HEADLIGHTS REMOVABLE CONNECTIONS BLACK BLACK BLACK WHITE WHITE WHITE RED BLACK ORANGE BLACK BROWN BLACK BLACK BLACK STARTER M SEAT SWITCH (NOT OCCUPIED) GROUNDING CONNECTOR ATT'MENT CLUTCH (CLUTCH OFF)[...]

28 REP AIR P ARTS TRA CT OR - MODEL NO. L TH120 (954140106A), PRODUCT NO . 954 14 01-06 ELECTRICAL 28 29 26 24 42 43 27 27 25 41 20 20 40 33 30 70 8 2 1 27 52 16 16 D.C. AMPERES 45 22 21[...]

29 REP AIR P AR TS TRA CT OR - MODEL NO. L TH120 (954140106A), PRODUCT NO . 954 14 01-06 ELECTRICAL KE Y PART NO. N O. DESCRIPTION 1 532144925 Battery 12 Volt 25 AMP 2 874760412 Bolt Hex Hd 1/4-20unc X 3/4 8 532156417 Case Battery Mech Hinge 1 6 532153664 Switch Interlock Push-In 2 0 873350400 Nut Jam Hex 1/4-20 Unc 2 1 532166181 Harness Asm Light [...]

30 REP AIR P ARTS TRA CT OR - MODEL NO. L TH120 (954140106A), PRODUCT NO . 954 14 01-06 CHASSIS AND ENCLOSURES 17 29 28 58 71 57 53 52 53 64 14 74 14 14 13 14 14 11 1 3 2 9 14 14 5 5 37 144 25 26 26 10 26 144 25 26 3 3 3 142 3 3 3 142 143 60 145 129 57 68 134 37 37 30 159 3 31 60 60 18 3 38 38 206[...]

31 REP AIR P ARTS TRA CT OR - MODEL NO . L TH120 (954140106A), PRODUCT NO . 954 14 01-06 CHASSIS AND ENCLOSURES 1 532169630 Chassis Stamping 2 532169061 Drawbar, 12 Ga. 3 817490612 Screw Thdrol 3/8-16x3/4 Ty-tt 5 532155272 Bumper Hood/Dash 9 532171708 Dash Slkscr 1 0 872140608 Bolt Carriage 3/8-16 x 1 1 1 532155927 Panel Dash Lh 1 3 532169195 Panel[...]

32 REP AIR P ARTS TRA CT OR - MODEL NO. L TH120 (954140106A), PRODUCT NO . 954 14 01-06 DRIVE 66 29 28 32 30 52 32 59 42 38 61 41 42 40 53 35 55 36 42 62 35 36 22 39 34 16 1 77 77 30 52 56 64 65 51 72 63 116 70 57 96 26 25 19 24 26 26 76 78 75 74 27 26 15 37 51 51 89 90 27 51 48 151 202 49 26 47 50 51 81 156 166 165 82 168 163 14 164 21 8 10 83 159[...]

33 REP AIR P ARTS TRA CT OR - MODEL NO. L TH120 (954140106A), PRODUCT NO . 954 14 01-06 DRIVE KE Y PART NO. N O. DESCRIPTION KE Y PART NO. N O. DESCRIPTION NOTE: All component dimensions give in U.S. inches. 1 inch = 25.4 mm. 1 - - - - - - - - Transaxle Hydro Gr Model 322-0510 (Order parts from transaxle mfg.) 8 532165866 Rod Shift Fender STLT 1 0 [...]

34 REP AIR P AR TS TRA CT OR - MODEL NO . L TH120 (954140106A), PRODUCT NO . 954 14 01-06 STEERING ASSEMBLY 82 22 5 9 5 7 7 9 4 3 32 43 6 43 8 18 19 27 62 23 11 40 66 29 25 79 8 10 40 11 8 6 9 46 46 8 6 9 2 47 47 1 41 17 42 37 36 37 26 30 28 38 63 11 39 44 51 54 80 68 67 67 67 13 65 68 15 15 15 29 29 29 29 85 85[...]

35 REP AIR P ARTS TRA CT OR - MODEL NO. L TH120 (954140106A), PRODUCT NO . 954 14 01-06 STEERING ASSEMBLY KE Y PART NO. N O. DESCRIPTION 1 532124415 Wheel Steering 2 532154427 Axle Asm STMP Dropped STL 3 532169840 Spindle Asm LH 4 532169839 Spindle Asm RH 5 532124931 Bearing Race Thrust Harden 6 532121748 Washer 25/32 X 1-5/8 X 16 Ga 7 819272016 Wa[...]

36 KE Y PART NO. N O. DESCRIPTION KE Y PART NO. N O. DESCRIPTION 1 532140838 Seat 2 532140551 Bracket Pivot Seat 8 720 3 874760616 Bolt Fin Hex 3/8-16unc X 1 4 819131610 Washer 13/32 X 1 X 10 Ga 5 532145006 Clip Push-In 6 873800600 Nut Hex w/Ins. 3/8-16 Unc 7 532124181 Spring Seat Cprsn 2 250 Blk Zi 8 817060616 Screw 3/8-16 X 1-1/2 9 819131614 Wash[...]

37 REP AIR P ARTS TRA CT OR - MODEL NO. L TH120 (954140106A), PRODUCT NO . 954 14 01-06 DECALS 10 4 3 9 KE Y PART NO. N O. DESCRIPTION KE Y PART NO. N O. DESCRIPTION 1 532059192 Cap Valve Tire 2 532065139 Stem Valve 3 532106222 Tire F Ts 15 X 6 0 - 6 Service 4 532059904 Tube Front (Service Item Only) 5 532138336 Rim Asm 6"front Silver Service [...]

38 REP AIR P ARTS TRA CT OR - MODEL NO . L TH120 (954140106A), PRODUCT NO . 954 14 01-06 ENGINE 2 1 OPTIONAL EQUIPMENT Spark Arrester 29 44 46 32 31 33 37 33 40 62 13 4 72 78 81 3 14 38 15 16 78 23 45[...]

39 REP AIR P ARTS TRA CT OR - MODEL NO. L TH120 (954140106A), PRODUCT NO . 954 14 01-06 ENGINE 1 532140310 Control Th/ch 23 5 LH Flag 2 817720410 Screw Hex Thd Cut 1/4-20x5/8 T 3 - - - - - - - - Engine, Briggs 289707 (Order parts from engine manufacturer) 4 532137348 Muffler LT B&S 12/12.5/13HP 1 3 532165291 Gasket Eng 1 313 Id Tin Plated 1 4 8[...]

40 REP AIR P ARTS TRACTOR - MODEL NO. L TH120 (954140106A), PRODUCT NO. 954 14 01-06 MOWER DECK 86 38 42 2 15 14 12 128 13 11 149 10 9 8 1 21 2 29 27 23 26 28 25 24 21 87 88 21 31 40 150 45 32 33 69 55 54 56 36 36 89 123 113 53 30 109 89 122 40 89 108 124 107 68 2 16 96 101 98 99 100 97 21 2 110 19 4 3 129 92 131 130 92 5 6 21 152 151 153 154 157 1[...]

41 REP AIR P ARTS TRACTOR - MODEL NO. L TH120 (954140106A), PRODUCT NO. 954 14 01-06 MOWER DECK 1 532170280 Deck Asm Weldment 2 872140506 Bolt Rdhd Sqnk 5/16-18unc X3/4 3 532138017 Bracket Asm Fr Sway Bar 38/42 4 532169970 Bracket Asm Deck Sway Bar 5 532124670 Retainer Spring 6 532130832 Arm Suspension Rear 8 532850857 Bolt 3/8 - 24 X 1.25 Gr 8 9 8[...]

42 REP AIR P ARTS TRA CT OR - MODEL NO. L TH120 (954140106A), PRODUCT NO . 954 14 01-06 MOWER LIFT 15 20 16 17 18 20 20 15 20 4 5 6 2 3 1 6 5 4 7 8 12 11 31 32 31 32 19 19 13 13 13 13[...]

43 REP AIR P ARTS TRA CT OR - MODEL NO. L TH120 (954140106A), PRODUCT NO . 954 14 01-06 MOWER LIFT 1 532159460 Wire Asm Inner W/plunger LT 2 532159471 Shaft Asm Lift 3 532105767 Pin Groove 4 812000002 E Ring #5133-62 5 819211621 Washer PLTD 21/32 X 1 X 21ga 6 532120183 Bearing Nylon Blk 629 Id 7 532109413 Grip Handle Bicycle 8 532124526 Button Plun[...]

44 SER VICE NO TES[...]

45 SER VICE NO TES[...]

46 15° MAX. SIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE. CUT OUT ON DOTTED LINES THIS IS A 15° SLOPE SIGHTING GUIDE ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION Operate your Tractor up and down the face of slopes (not greater than 15°), never across the face. Make turns gradu- ally to pre[...]

47 W ARRANTY ST A TEMENT SECTION 1: LIMITED WARRANTY Husqvarna Forest & Garden Company (“Husqvarna”) warrants Husqvarna product to the original purchaser to be free from defects in material and workmanship from the date of purchase for the “Warranty Period” of the product as set forth below: Lifetime Warranty: All tiller tines, trimmer [...]

48 532171589 10.26.99 RD Printed in U.S.A.[...]