Husqvarna LTH135 owner manual Off

Page 26

TROUBLESHOOTING POINTS

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

 

 

 

corrected, contact an authorized service center/

seat with attachment

 

 

 

department.

clutch engaged

 

 

 

 

 

 

 

 

 

Poor cut - uneven

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade bolt.

 

2.

Mower deck not level.

2.

Level mower deck.

 

3.

Buildup of grass, leaves, and trash under mower.

3.

Clean underside of mower housing.

 

4.

Bent blade mandrel.

4.

Replace blade mandrel.

 

5.

Clogged mower deck vent holes from buildup of

5.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Mower blades will not

1.

Obstruction in clutch mechanism.

1.

Remove obstruction.

rotate

2.

Worn/damaged mower drive belt.

2.

Replace mower drive belt.

 

3.

Frozen idler pulley.

3.

Replace idler pulley.

 

4.

Frozen blade mandrel.

4.

Replace blade mandrel.

 

 

 

 

 

Poor grass discharge

1.

Engine speed too slow.

1.

Place throttle control in “FAST” position.

 

2.

Travel speed too fast.

2.

Shift to slower speed.

 

3.

Wet grass.

3.

Allow grass to dry before mowing.

 

4.

Mower deck not level.

4.

Level mower deck.

 

5.

Low/uneven tire air pressure.

5.

Check tires for proper air pressure.

 

6.

Worn, bent or loose blade.

6.

Replace/sharpen blade. Tighten blade bolt.

 

7.

Buildup of grass, leaves and trash under mower.

7.

Clean underside of mower housing.

 

8.

Mower drive belt worn.

8.

Replace mower drive belt.

 

9.

Blades improperly installed.

9.

Reinstall blades sharp edge down.

 

10.

Improper blades used.

10.

Replace with blades listed in this manual.

 

11.

Clogged mower deck vent holes from buildup of

11.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Headlight(s) not working

1.

Switch is “OFF”.

1.

Turn switch “ON”.

(if so equipped)

2.

Bulb(s) or lamp(s) burned out.

2.

Replace bulb(s) or lamp(s).

 

3.

Faulty light switch.

3.

Check/replace light switch.

 

4.

Loose or damaged wiring.

4.

Check wiring and connections.

 

5.

Blown fuse.

5.

Replace fuse.

 

 

 

 

 

Battery will not charge

1.

Bad battery cell(s).

1.

Replace battery.

 

2.

Poor cable connections.

2.

Check/clean all connections.

 

3.

Faulty regulator (if so equipped).

3.

Replace regulator.

 

4.

Faulty alternator.

4.

Replace alternator.

 

 

 

 

 

Loss of drive

1.

Freewheel control in “disengaged” position.

1.

Place freewheel control in “engaged” position.

 

2.

Motion drive belt worn, damaged, or broken.

2.

Replace motion drive belt.

 

3.

Air trapped in transmission during shipment

3.

Purge transmission.

 

 

or servicing.

 

 

 

 

 

 

 

Engine “backfires”

1.

Engine throttle control not set at “SLOW”

1.

Move throttle control to “SLOW” position and allow

when turning engine

 

position for 30 seconds before stopping engine.

 

to idle for 30 seconds before stopping engine.

“OFF”

 

 

 

 

 

 

 

 

 

26

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Contents LTH135 General Operation Safety RulesIV. Service II. Slope OperationSafety Rules Table of Contents Key Unassembled PartsSteering Wheel Seat Slope SheetTo Remove Tractor from Carton AssemblyTools Required for Assembly Before Removing Tractor from SkidHOW to SET UP Your Tractor Check Battery See FigCheck for Proper Position of ALL Belts Check Tire PressureCheck Deck Levelness Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor Check Engine OIL Level Before Starting the EngineTo Operate on Hills ADD GasolineAutomatic Transmission Warm UP To Start Engine See FigPurge Transmission Mowing Tips Service Dates MaintenanceLubrication Chart General RecommendationsTractor Engine Muffler CleaningEngine OIL Filter Spark PlugsTo Remove Mower See Fig Service and AdjustmentsTo Install Mower See Fig To Replace Mower Blade Drive Belt See Fig To Level Mower HousingBelt Installation Belt RemovalTo Adjust Brake To Check and Adjust Brake See FigTransmission REMOVAL/REPLACEMENT To Replace Motion Drive Belt See FigTo Remove Wheel for Repairs To Adjust Steering Wheel AlignmentFront Wheel TOE-IN/CAMBER Interlocks and Relays To Adjust Carburetor To Replace Headlight Bulb To Replace FuseFuel System StorageOther Engine OILTroubleshooting Points OFF Schematic Tractor Model NO. LTH135 HAU135H36BElectrical KEY Part NO. NO. Description Chassis and Enclosures 13 532 17 21-05 Panel Dash Rh Drive KEY Part Description CRDSteering Assembly KEY Part NO. NO. Description Seat Assembly Decals Wheels & TiresEngine Optional EquipmentMower Lift KEY Part NO. no DescriptionMower Deck KEY Part NO. NO. Description Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAXWarranty Statement 532 18 82-41 5.29.03 MH Also See