Husqvarna LTH140 manual

L TH140 Owner’ s Manual[...]

2 Look for this symbol to point out impor- tant safety precautions. It means CAUTION!!! BECOME ALERT!!! YOUR SAFETY IS INVOLVED. 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 S[...]

3 PRODUCT SPECIFICA TIONS HORSEPOWER: 14.0 GASOLINE CAPACITY 5 QUARTS AND TYPE: UNLEADED REGULAR OIL TYPE (API-SF/SG): SAE 10W30 (above 32 ° F) SAE 5W-30 (below 32 ° F) OIL CAPACITY: W/ FILTER: 4.0 PINTS W/O FILTER: 3.5 PINTS SPARK PLUG: CHAMPION RC12YC (GAP: .030”) VALVE CLEARANCE: INTAKE: .0015” - .0030” EXHAUST: .0020” - .0035” GROUN[...]

4 T ABLE OF CONTENTS INDEX A Adjustments : Brake ........................................... 21 Carburetor ................................... 24 Clutch .......................................... 21 Mower: Front-To-Back ........................ 20 Side-To-Side .......................... 20 Throttle Control Cable ...... ...........24 Air Filter, Eng[...]

5 CONTENTS OF HARD W ARE P A CK (2) Hex Bolts  1/4-20 x 3/4 (2) Washers  9/32 x 5/8 x 16 Gauge (2) Lock Washers 1/4 (2) Hex Nuts 1/4-20 Parts packed separately in carton Parts Bag contents shown full size Parts bag contents not shown full size (1) Shoulder Bolt  5/16-18 (1) Washer  17/32 x 1-3/16 x 12 Gauge (2) Keys Steering  Wheel ?[...]

6 ASSEMBL Y STEERING WHEEL ADAPTER FIG. 1 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. T OOLS [...]

7 ASSEMBL Y INSTALL SEAT (See Fig. 3) 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 s[...]

8 ASSEMBL Y INSTALL BATTERY (See Figs. 4 and 5) CAUTION: Do not short battery termi- nals. Before installing battery, remove metal bracelets, wristwatch bands, rings, etc. Positive terminal must be connected first to prevent sparking from acciden- tal grounding. • Lift seat to raised position. • Open battery box door. • Be sure battery drain [...]

9 ASSEMBL Y ASSEMBLE GAUGE WHEELS TO MOWER DECK (See Fig. 7) Assemble gauge wheels with tractor on a flat level surface. • Adjust mower to desired cutting height (See “TO AD- JUST MOWER CUTTING HEIGHT” in the Operation section of this manual). • With mower in desired height of cut position, gauge wheels should be assembled so they are sligh[...]

10 OPERA TION KNO W Y OUR TRA CT OR READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TRACTOR Our tractors conform to the safety standards of the American National Standards Institute. ATTACHMENT CLUTCH SWITCH : Used to engage the mower blades, or other attachments mounted to your tractor. THROTTLE/CHOKE CONTROL : Used for starti[...]

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 recom- mend wide vision safety mask for over the spectacles or standard safety glasses. HO W T O USE[...]

12 OPERA TION TO OPERATE MOWER (See Fig. 11) 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 engagin[...]

13 OPERA TION CAUTION: Fill to bottom of gas tank filler neck. Do not overfill. Wipe off any spilled oil or fuel. Do not store, spill or use gasoline near an open flame. 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 transm[...]

14 CUST OMER RESPONSIBILITIES 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/Recharge Check Tire Pressure Clean Battery and Termina[...]

15 CUST OMER RESPONSIBILITIES TRACT OR Always observe safety rules when performing any mainte- nance. BRAKE OPERATION If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake must be adjusted. (See "TO ADJUST BRAKE" in the Service and Adjust- ments section of this manual). TIRES • Maintain p[...]

16 CUST OMER RESPONSIBILITIES BATTERY (See Fig. 16) Your tractor has a battery charging system which is suffi- cient 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 [...]

17 CUST OMER RESPONSIBILITIES ENGINE 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. TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE SAE VISCOSITY GRADES -20° 0° 30° 40° 80° 100° -30° -20° 0° 20°[...]

18 CUST OMER RESPONSIBILITIES CLEAN AIR INTAKE/COOLING AREAS To insure proper cooling, make sure the grass screen, cooling fins, and other external surfaces of the engine are kept clean at all times. Every 100 hours of operation (more often under extremely dusty, dirty conditions), remove the blower housing and other cooling shrouds. Clean the cool[...]

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 [...]

20 SER VICE AND ADJUSTMENTS 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 front i[...]

21 SER VICE AND ADJUSTMENTS .012" ROTOR BRAKE PLATE SLOT (3) NYLON LOCKNUT (3) CLUTCH PLATE FIG. 26 TO ADJUST BRAKE (See Fig. 27) Your tractor is equipped with an adjustable brake system which is mounted on the right side of the transaxle. If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake mu[...]

22 SER VICE AND ADJUSTMENTS TO REPLACE MOTION DRIVE BELT (See Fig. 28) Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest. • Remove mower (See “TO REMOVE MOWER” in this section of this manual.) • Disconnect clutch wire harness. • Remove clutch l[...]

23 SER VICE AND ADJUSTMENTS NEGATIVE TERMINAL POSITIVE TERMINAL NEGATIVE TERMINAL POSITIVE TERMINAL CHARGED BATTERY CABLES CHASSIS TO ADJUST STEERING WHEEL ALIGNMENT If steering wheel crossbars are not horizontal (left to right) when wheels are positioned straight forward, remove steer- ing wheel and reassemble per instructions in the Assembly sect[...]

SER VICE AND ADJUSTMENTS 24 TO REPLACE FUSE Replace with 30 amp automotive-type plug-in fuse. The fuse holder is located in the engine compartment, directly in front of the dash. 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 [...]

25 SER VICE AND ADJUSTMENTS IDLE FUEL ADJUSTING NEEDLE IDLE SPEED ADJUSTING SCREW FIG. 34 TO ADJUST CARBURETOR (See Fig. 34) The carburetor has been preset at the factory and adjust- ment should not be necessary. However, minor adjust- ment may be required to compensate for differences in fuel, temperature, altitude or load. If the carburetor does [...]

26 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[...]

TROUBLESHOOTING POINTS 27 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. 6[...]

TROUBLESHOOTING POINTS 28 PROBLEM CAUSE CORRECTION 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. Repla[...]

29 14 HP 42" TRA CT OR - MODEL NO . L TH140 (954001192A) SCHEMATIC HEADLIGHT SWITCH (OFF) HEADLIGHTS BATTERY G B S M L IGNITION SWITCH NON-REMOVABLE CONNECTIONS REMOVABLE CONNECTIONS WIRING INSULATED CLIPS NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR SERVICING OF UNIT, THEY SHOULD BE REPLACED TO PROPERLY SECURE YOUR[...]

30 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . 954001192A ELECTRICAL Comm. Harn. 140421 22 21 24 42 43 40 34 26 28 25 30 44 44 31 32 33 29 23 19 20 19 20 41 51 50 39 38 36 36 70 140426 2 3 4 1 5 6 9 7 8 BATTERY BOX WITH LID 45 D.C. AMPERES 46[...]

31 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . 954001192A ELECTRICAL 1 532121537 Battery 12 Volt 30 Amp 2 874760412 Bolt Hex Hd 1/4-20unc X 3/4 3 819091016 Washer 9/32 X 5/8 X 16 Ga 4 810040400 Washer Lock Hvy Helical 1/4 5 532121264 Caps Battery 20/25/30 Amp 6 873220400 Nut Fin Hex 1/4-20 Unc 7 532109238 Tube Plastic 12” 8 532129965 Ca[...]

32 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO .954001192A CHASSIS AND ENCLOSURES 81 3 2 3 38 39 35 26 3 3 13 35 26 33 10 34 1 3 11 3 59 9 15 64 76 25 26 71 69 71 70 82 83 84 24 26 91 92 90 86 85 50 79 78 80 17 87 16 67 66 15 99 26 68 46 94 95 77 97 98 3 28 42 29 93 72 71 75 51 40 43 26 41 56 3 6 3 3 3 63 20 24 26 65 16 8 96 109 110 113 111[...]

33 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . 954001192A CHASSIS AND ENCLOSURES KEY PART NO. NO. DESCRIPTION KEY PART NO. NO. DESCRIPTION 1 532140341 Chassis 11 ga 2 532140356 Drawbar 3 817490612 Screw, Thd., Roll. 3/8-16 x 3/4 6 532125453 Saddle 8 532126471 Clip Insulator .406 Mtg. Hole 9 532140452 Dashboard 10 872140608 Bolt, Carriage [...]

34 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . L TH140 (954001192A) DRIVE 88 86 87 51 32 61 30 52 61 58 32 45 59 42 42 51 31 81 38 61 49 19 27 37 41 42 40 44 48 45 19 97 16 73 18 103 102 94 3 19 16 100 91 98 46 53 35 55 36 50 26 47 42 62 35 36 22 39 34 28 29 89 69 16 1 15 100 77 96 92 100 71 18 77 100 104 84 16 105 106 100 30 52 67 57 93 [...]

35 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . L TH140 (954001192A) DRIVE KEY PART NO. NO. DESCRIPTION 1 532144436 Transaxle Assembly 2 532142431 Spring, Return, Brake 3 532143995 Pulley, Transaxle 8 532141003 Rod Shift Hydro LT 9 532137140 Clutch Elect 105 Ft/Lb 10 876020416 Pin Cotter 1/8 x 1 CAD 15 874780544 Bolt Fin Hex 5/16-18 Unc 16[...]

36 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . L TH140 (954001192A) ENGINE 2 1 OPTIONAL EQUIPMENT Spark Arrester 29 24 23 44 31 33 37 33 40 73 75 74 76 32 77 4 80 79 79 3 14 38 15 16 62 62[...]

37 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . L TH140 (954001192A) ENGINE 1 532132753 Control Th/ch 2 817720410 Screw Hex Thd Cut 1/4-20x5/8 T 3 - - - - - - - - Engine Kohl 14 HP Model No. PS1456 4 532137350 Muffler LT Kohler 14 813280328 Nipple Pipe 3/8 Npt X 3-1/2" 15 813200300 Elbow Std 90 ° 3/8-18 Npt 21 532110436 Bushing Snap [...]

38 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . L TH140 (954001192A) STEERING ASSEMBLY 5 9 5 7 7 9 4 33 35 34 33 3 34 35 32 43 6 43 8 17 18 19 22 21 20 8 27 23 11 12 24 29 25 5 8 10 12 11 11 38 40 39 1 41 37 36 37 15 8 6 9 46 46 8 6 9 2 47 14 13 47 16 16[...]

39 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . L TH140 (954001192A) STEERING ASSEMBLY 1 532124415 Wheel Steering 2 532142033 Axle Asm Fr LT W/gzks 38/42 3 532135227 Spindle Asm LH 4 532135228 Spingle Asm RH 5 532124931 Bearing Race Thrust Harden 6 532121748 Washer 25/32 X 1-5/8 X 16 Ga 7 819272016 Washer 27/32 X 1-1/4 X 16 Ga 8 812000029 [...]

40 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . L TH140 (H954001192A) SEAT ASSEMBLY 1 24 16 15 12 13 17 25 4 3 8 9 7 8 9 7 18 11 2 6 22 21 5 10 5 14 KEY PART NO. NO. DESCRIPTION 1 532124185 Seat 2 532140551 Bracket Pivot Seat 3 874760616 Bolt, Hex 3/8-16unc x 1 4 819131610 Washer 13/32 X 1 X 10 Ga 5 532145006 Clip Push in Hinged 6 87380060[...]

41 KEY PART NO. NO. DESCRIPTION 1 532138956 Decal Instruction Dash Eng/fr 2 532140863 Decal Ins Hood RH LTH140 Hydro 3 532140728 Decal Hood RH Husq 4 532140729 Decal Hood LH Husq 5 532121549 Decal Caution Battery Fr/ger 6 532140865 Decal Ins Hood LH LTH140 Hydro 7 532131582 Decal Fender Husqvarna 8 532133795 Decal Caution Fender Eng/fr 9 532101892 [...]

42 REP AIR P AR TS 1 4 HP 42" TRA CT OR - MODEL NO . L TH140 ( 954001192A) 42" MOWER 15 14 12 13 11 10 9 8 16 68 30 31 32 33 35 54 34 55 56 40 40 17 1 46 44 21 22 24 25 26 27 2 28 29 23 21 21 21 18 18 20 19 4 3 5 6 2 21 84 83 36 37 40 85 36 37 37 38 61 59 90 90 91 92 93 94 93 92 95 102 104 103 105 106 103 104 105 106 101 113 117 116 118 1[...]

43 REP AIR P AR TS 1 4 HP 42" TRA CT OR - MODEL NO . L TH140 ( 954001192A) 42" MOWER 1 532144393 Deck Asm MWR 42"weldment 2 872140506 Bolt Rdhd Sqnk 5/16-18unc X3/4 3 532138017 Bracket Asm Fr Sway Bar 38/42 4 532138440 Bracket Asm Deck 42"sway Bar 5 532124670 Retainer Spring 6 532130832 Arm Suspension Rear 8 532850857 Bolt 3/8-2[...]

44 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . L TH140 (954001192A) MOWER LIFT ASSEMBLY 15 20 16 17 18 20 20 15 20 4 5 6 2 3 1 6 5 4 7 8 10 21 22 23 24 25 26 27 28 29 30 37 41 35 36 40 38 12 11 31 32 31 32 19 19 13 13 13 13[...]

45 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . L TH140 (954001192A) MOWER LIFT ASSEMBLY KEY PART NO. NO. DESCRIPTION 1 532136971 Wire Asm Inner W/plunger 17 32 2 532136968 Shaft Asm Lift 93 RH 3 532138284 Pin Groove 1 500 Zinc 4 812000002 E Ring #5133-62 5 819211621 Washer 21/32 X 1 X 21 Ga 6 532120183 Bearing Nylon Blk 629 Id 7 532125631[...]

46 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . L TH140 (954001192A) HYDRO-GEAR TRANSAXLE - MODEL NO. 310-0750[...]

47 REP AIR P AR TS 14 HP 42" TRA CT OR - MODEL NO . L TH140 (954001192A) HYDRO-GEAR TRANSAXLE - MODEL NO. 310-0750 KEY PART NO. NO. DESCRIPTION 1 532142930 Housing, Lower 2 532142931 Assembly, Upper Housing 3 532142932 Seal, Lip 4 532142928 Ring, Wire Retaining 5 532142933 Ring, Retaining 6 532142934 Bearing, Shaft Ball 7 532142935 Bearing, Cr[...]

48 SER VICE NO TES[...]

49 SER VICE NO TES[...]

50 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 gr[...]

51 Effective May 1, 1992 W ARRANTY ST A TEMENT (2) Failure to operate or maintain the unit in accordance with the Owner’s/Operator’s manual or instruction sheet furnished by Husqvarna. (3) Alterations or modifications that affect the unit's performance, operation, safety, durability, change its intended use, or cause failure of compliance [...]