Husqvarna LTH120 Service and Adjustments, To Remove Mower See Fig, To Level Mower Housing

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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. 16)

Mower will be easier to remove from the right side of tractor.

Place attachment clutch in “DISENGAGED” position.

Move attachment lift lever forward to lower mower to its lowest position.

Roll belt off engine pulley.

Remove small retainer spring, and lift clutch spring off pulley bolt.

Remove large retainer spring, slide collar off and push housing guide out of bracket.

Disconnect anti-swaybar from chassis bracket by re- moving retainer spring.

Disconnect suspension arms from rear deck brackets by removing retainer springs.

Disconnect front links from deck by removing retainer springs.

Raise lift lever to raise suspension arms. Slide mower out from under tractor.

IMPORTANT: If an attachment other than the mower deck is to be mounted on the tractor, remove the front links and hook the clutch spring onto square hole in frame.

TO INSTALL MOWER

Raise attachment lift lever to its highest position.

Slide mower under tractor with discharge guard to right side of tractor.

Lower lift lever to its lowest position.

Install mower in reverse order of removal instructions.

TO LEVEL MOWER HOUSING

Adjust the mower while tractor is parked on level ground or driveway. Make sure tires are properly inflated (See “PROD- UCT SPECIFICATIONS” section of this manual). If tires are over or underinflated, you will not properly adjust your mower.

SIDE-TO-SIDE ADJUSTMENT (See Figs. 17 and 18)

Raise mower to its highest position.

At the midpoint of both sides of mower, measure height from bottom edge of mower to ground. Distance “A” on both sides of mower should be the same or within 1/4" of each other.

If adjustment is necessary, make adjustment on one side of mower only.

To raise one side of mower, tighten lift link adjustment nut on that side.

To lower one side of mower, loosen lift link adjustment nut on that side.

NOTE: Three full turns of adjustment nut will change mower height about 1/8".

Recheck measurements after adjusting.

BOTTOM EDGE

BOTTOM EDGE

OF MOWER TO

OF MOWER TO

GROUND

GROUND

A

A

 

GROUND LINE

FIG. 17

SUSPENSION

SMALL RETAINER ARMS

CLUTCHSPRING SPRING

RETAINER SPRING

ANTI-SWAY

BAR

COLLAR

HOUSING

GUIDE

LARGE

RETAINERBRACKET

SPRING

SQUARE

HOLE

ENGINE

PULLEY

FRONT

LINK

RETAINER

SPRINGS

FIG. 16

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Contents LTH120 Safe Operation Practices for Ride-On Mowers Safety Rules Table of Contents Seat Unassembled PartsSteering Wheel Slope Sheet KeysAssembly Install Seat See Fig Check for Proper Position of ALL Belts To Convert to Bagging or DischargingCheck Tire Pressure Check Deck LevelnessOperation Know Your Tractor HOW to USE Your Tractor To Operate on Hills Before Starting the EngineTowing Carts and Other ATTACH- Ments Automatic Transmission Warm UP ADD GasolineTo Start Engine See Fig Purge TransmissionMulching Mowing Tips Mowing TipsBefore Each USE Lubrication ChartCustomer Responsibilities General RecommendationsTires BatteryTractor Brake OperationEngine Spark Plugs CleaningAIR Filter See Fig MufflerTo Remove Mower See Fig Service and AdjustmentsTo Level Mower Housing To Install MowerBelt Removal To Adjust Brake See FigBelt Installation To Replace Mower Blade Drive Belt See FigTo Replace Motion Drive Belt See Fig Transaxle Motion Control Lever Neutral Adjustment See FigTransmission REMOVAL/REPLACEMENT To Adjust Steering Wheel AlignmentTo Attach Jumper Cables To Start Engine with a Weak Battery See FigReplacing Battery See To Remove Wheel for Repairs See FigTo Replace Fuse To Adjust CarburetorTo Replace Headlight Bulb Interlocks and RelaysTractor StorageProblem Cause Correction Troubleshooting PointsOFF Tractor Model NO. LTH120 954140106A, Product no 14 SchematicElectrical KEY Part NO. NO. Description Chassis and Enclosures 532169630 Chassis Stamping KEY Part DescriptionDrive CRD Steering Assembly Repair Parts KEY Part NO. no Description Seat AssemblyWheels & Tires DecalsEngine KEY Part NO. NO. Description Mower Deck 148 Mower Lift KEY Part Description Service Notes Service Notes Sighting Guide Suggested Guide for Sighting Slopes for Safe OperationLimited Warranty Warranty Statement532171589 10.26.99 RD