Husqvarna LT120 Owner's Manual
  1. Manuals
  2. Brands
  3. Husqvarna Manuals
  4. Lawn Mower
  5. LT120
  6. Owner's manual

Husqvarna LT120 Owner's Manual

Husqvarna lawn tractor owner's manual
Hide thumbs Also See for LT120:
Table of Contents

Advertisement

Quick Links

See also: Operator's Manual , Instruction Manual
LT 1 2 0
Owner's Manual

Advertisement

Table of Contents
loading

Related Manuals for Husqvarna LT120

Summary of Contents for Husqvarna LT120

  • Page 1 LT 1 2 0 Owner’s Manual...

  • Page 2: 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. GENERAL OPERATION • Read, understand, and follow all instructions in the manual and on the machine before starting.

  • Page 3: Specifications

    Please read and retain this manual. The instructions will enable you to assemble and maintain your tractor properly. Always observe the “SAFETY RULES”. MODEL NUMBER LT120 SERIAL NUMBER ____________________________________ DATE OF PURCHASE __________________________ THE MODEL AND SERIAL NUMBERS WILL BE FOUND ON A PLATE UNDER THE SEAT.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS SAFETY RULES ... 2 PRODUCT SPECIFICATIONS ... 3 CUSTOMER RESPONSIBILITIES ... 3, 14-17 ASSEMBLY ... 6-8 OPERATION ... 9-13 INDEX Adjustments: Brake ... 20 Carburetor ... 23 Mower Front-To-Back ... 19 Side-To-Side ... 19 Throttle Control Cable ... 22 Air Filter, Engine ...

  • Page 5: Contents Of Hardware Pack

    CONTENTS OF HARDWARE PACK (1) Washer 13/32 x 1-1/4 x 16 Gauge (1) Large Flat Washer (1) Lockwasher 3/8 (1) Hex Bolt 5/16-18 x 1-1/4 (1) Shoulder Bolt 5/16-18 (1) Lock Washer 1/2 (1) Washer 17/32 x 1-3/16 x 12 Gauge (2) Hex Bolts 1/4-20 x 3/4 (2) Washers 9/32 x 5/8 x 16 Ga.

  • Page 6: 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 A socket wrench set will make assembly easier.

  • Page 7: Seat

    • First connect RED battery cable to positive (+) terminal with hex bolt, flat washer, lock washer and hex nut as shown. Tighten securely. • Connect BLACK grounding cable to negative (-) termi- nal with remaining hex bolt, flat washer, lock washer and hex nut.

  • Page 8: Assembly

    DEFLECTOR SHIELD HANG MULCHER PLATE FIG. 6 TO CONVERT TO BAGGING OR DISCHARGING Simply remove mulcher plate and store in a safe place. Your mower is now ready for discharging or installation of optional grass catcher accessory. NOTE: If discharging or bagging results are unsatisfactory with mulcher blades on mower, remove the mulcher blades and install high performance discharging blades, which are available at an authorized service center/department.

  • Page 9: Operation

    OPERATION These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning. BATTERY CAUTION OR REVERSE FORWARD FAST SLOW WARNING ENGINE ON ENGINE OFF OIL PRESSURE CLUTCH LIGHTS ON LIGHTS OFF FUEL CHOKE MOWER HEIGHT DIFFERENTIAL...

  • Page 10: Starting The Engine

    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. CLUTCH/BRAKE PEDAL THROTTLE/CHOKE CONTROL Our tractors conform to the safety standards of the American National Standards Institute.

  • Page 11: Cutting Height

    WEAR YOUR The operation of any tractor can result in foreign objects thrown into the eyes, which SAFETY GLASSES 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 FORESIGHT IS BETTER THAN NO SIGHT vision safety mask over the spectacles or standard safety glasses.

  • Page 12: Oil Level

    TO OPERATE MOWER (See Fig. 9) Your tractor is equipped with an operator presence sens- ing switch. Any attempt by the operator to leave the seat with the engine running and the attachment clutch engaged will shut off the engine. •...

  • Page 13: Starting

    • Depress clutch/brake pedal and set parking brake. • Place gear shift lever in neutral (N) position. • Move attachment clutch to “DISENGAGED” position. • Move throttle control to choke ( Note: Before starting, read the warm and cold starting procedures below.

  • Page 14: Lubrication Chart

    CUSTOMER RESPONSIBILITIES MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE Check Brake Operation Check Tire Pressure Check for Loose Fasteners Sharpen/Replace Mower Blades Lubrication Chart Check Battery Level/Recharge Clean Battery and Terminals Check Transaxle Cooling Adjust Blade Belt(s) Tension Adjust Motion Drive Belt(s) Tension Check Engine Oil Level Change Engine Oil...

  • Page 15: Blade

    CUSTOMER RESPONSIBILITIES TRACTOR 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).

  • Page 16: Transaxle

    CUSTOMER RESPONSIBILITIES 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 Keep transaxle free from build-up of dirt and chaff which can restrict cooling.

  • Page 17: Air Screen

    CUSTOMER RESPONSIBILITIES COVER KNOB COVER FOAM PRE-CLEANER FIG. 15 CLEAN AIR SCREEN (See Fig. 16) 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.

  • Page 18: Removal

    SERVICE AND ADJUSTMENTS CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: • Depress clutch/brake pedal fully and set parking brake. • Place gearshift lever in neutral (N) position. • Place attachment clutch in “DISENGAGED” position. • Turn ignition key “OFF” and remove key. •...

  • Page 19: Side-To-Side

    SERVICE AND ADJUSTMENTS TO LEVEL MOWER HOUSING 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). If tires are over or underinflated, you will not properly adjust your mower.

  • Page 20: Installation

    SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 23) The mower blade drive belt may be replaced without tools. Park the tractor on level surface. Engage parking brake. BELT REMOVAL - • Place attachment clutch in “DISENGAGED” position. •...

  • Page 21: Tractor Battery

    SERVICE AND ADJUSTMENTS TRANSAXLE SHIFTER LINKAGE AND AD- JUSTMENT (See Figs. 26 and 27) The transaxle should be in neutral when the gear shift lever is in the neutral (N) (lock gate) position. The adjustment is preset at the factory; however, if adjustment is needed, proceed as follows: •...

  • Page 22: Throttle Control Cable

    SERVICE AND ADJUSTMENTS POSITIVE TERMINAL NEGATIVE TERMINAL CHASSIS POSITIVE TERMINAL NEGATIVE TERMINAL 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.

  • Page 23: Carburetor

    SERVICE AND ADJUSTMENTS TO ADJUST CARBURETOR (See Fig. 32) 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 need adjustment, proceed as follows: In general, turning idle mixture valve in (clockwise) de- creases the supply of fuel to the engine giving a leaner fuel/...

  • Page 24: Cleaning

    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.

  • Page 25: Troubleshooting

    TROUBLESHOOTING POINTS PROBLEM CAUSE Will not start Out of fuel. 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. Hard to start Dirty air filter.

  • Page 26: Troubleshooting

    TROUBLESHOOTING POINTS PROBLEM CAUSE 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. Mower deck not level. Buildup of grass, leaves, and trash under mower. Bent blade mandrel.
  • Page 27 SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION SIGHTING GUIDE Operate your Tractor up and down the face of slopes (not greater than 15°), never across the face. Make turns gradu- ally to prevent tipping or loss of control. Exercise extreme caution when changing direction on slopes.

  • Page 28: Replacement

    To obtain the benefit of this warranty, the product believed to be defective must be delivered to an authorized Husqvarna dealer in a timely manner, no later than thirty (30) days from date of the operational problem or failure. The product must be delivered at the owner’s expense. Pick-up and delivery charges are not covered by this warranty.
  • Page 29 TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 SCHEMATIC AMMETER (OPTIONAL) WHITE IGNITION SWITCH IGNITION SWITCH POSITION CIRCUIT “MAKE” G + M + L NONE RUN/LIGHT B + L A + Y B + L NONE START B + L + S...

  • Page 30: Repair Parts

    REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 ELECTRICAL...
  • Page 31 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 ELECTRICAL NOTE: All component dimensions given in U.S. inches. PART DESCRIPTION 532 14 61-39 Battery 12 Volt 25 AMP 874 76 04-12 Bolt Hex Hd 1/4-20unc X 3/4 819 09 10-16 Washer 9/32 X 5/8 X 16 Ga.
  • Page 32 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 CHASSIS AND ENCLOSURES...
  • Page 33 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 CHASSIS AND ENCLOSURES 129 819 09 10-16 Washer 9/32 x 5/8 x 16 Ga. 134 532 15 01-32 Rod Support Hood LT/PL Husq. 140 532 15 05-56 Bracket Chassis Front 7 Ga.
  • Page 34 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 DRIVE 88 87...
  • Page 35 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 DRIVE KEY PART NO. NO. DESCRIPTION - - - - - - - - - Transaxle (See Breakdown) Peerless 930-054A 532 14 66-82 Spring Return Brake T/a Zinc 532 12 36-66 Pulley Transaxle 18"...

  • Page 36: Steering Assembly

    REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 STEERING ASSEMBLY...
  • Page 37 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 STEERING ASSEMBLY PART DESCRIPTION 532 12 44-15 Wheel Steering 532 15 44-27 Axle Asm STMP Dropped STL 532 15 44-22 Spindle Asm LH 532 15 44-23 Spindle Asm RH...
  • Page 38 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 SEAT ASSEMBLY KEY PART NO. NO. DESCRIPTION 532 14 08-38 Seat 532 14 05-51 Bracket Pivot Seat 8 720 874 76 06-16 Bolt Fin Hex 3/8-16unc X 1...
  • Page 39 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 DECALS PART DESCRIPTION 532 14 08-37 Decal Saddle Parking 532 15 63-69 Decal Fender STLT Oper. Inst. English/French 532 15 13-20 Decal Hood LH 532 15 13-21 Decal Hood RH...
  • Page 40 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 ENGINE OPTIONAL EQUIPMENT Spark Arrester...
  • Page 41 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 ENGINE NOTE: All component dimensions given in U.S. inches PART DESCRIPTION 532 14 03-10 Control Th/ch 23 5 LH Flag 817 72 04-10 Screw Hex Thd Cut 1/4-20x5/8 T - - - - - - - - Engine B&S Model No.
  • Page 42 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 MOWER DECK 81 82 98 99...
  • Page 43 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 MOWER DECK PART DESCRIPTION 532 14 28-29 Asm Mower Housing 872 14 05-06 Bolt Rdhd Sqnk 5/16-18unc X3/4 532 13 80-17 Bracket Asm Fr Sway Bar 38/42 532 13 84-40 Bracket Asm Deck Sway Bar...
  • Page 44 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 MOWER LIFT 17 18...
  • Page 45 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 MOWER LIFT PART DESCRIPTION 532 13 69-73 Wire Asm Inner W/plunger 17 32 532 14 51-17 Shaft Asm Lift 532 10 57-67 Pin Groove 812 00 00-02 E Ring #5133-62...
  • Page 46 REPAIR PARTS RACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 PEERLESS TRANSAXLE - MODEL NUMBER 930-054A...
  • Page 47 REPAIR PARTS TRACTOR - MODEL NO. LT120 (954140002A), PRODUCT NO. 954 1400-02 PEERLESS TRANSAXLE - MODEL NUMBER 930-054A REF PART NO. NO. DESCRIPTION 772108A Cover, Transaxle 780086 Bearing, Needle 770102A Case, Transaxle 776260 Shaft, Counter 776219B Shaft and Pinion Assembly, Output...
  • Page 48 532157164 Rev. 1 10.07.96 KFSW Printed in U.S.A.

Table of Contents