Husqvarna LTH125 owner manual Off

Page 28

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 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 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) burned out.

2.

Replace bulb(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”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

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Contents LTH125 Safety Rules Safe Operation Practices for Ride-On MowersCustomer Responsibilities Product SpecificationsModel Number LTH125 Serial Table of Contents Contents of Hardware Pack Assembly Tools Required for AssemblyTo Remove Tractor from Carton Before Rolling Tractor OFF SkidHOW to SET UP Your Tractor Check Tire PressureCheck Deck Levelness Check for Proper Position of ALL BeltsInstall Battery See Figs Install Mulcher Plate See Figs.6 To Convert to Bagging or DischargingOperation Know Your TractorHOW to USE Your Tractor To Operate on Hills Before Starting the EngineADD Gasoline Page Mowing Tips Mulching Mowing TipsLubrication Chart Customer ResponsibilitiesGeneral Recommendations Before Each USETractor Brake OperationTires Blade CareBattery See Fig To Clean Battery and TerminalsBelts Transaxle CoolingClean AIR Screen See Fig EngineLubrication AIR Filter See FigCleaning Engine Cooling Fins See FigMuffler Spark PlugsTo Install Mower See Fig Service and AdjustmentsTo Remove Mower See Fig To Level Mower Housing FRONT-TO-BACK Adjustment See FigsTo Adjust Brake See Fig Belt InstallationTo Replace Mower Blade Drive Belt See Fig To Replace Motion Drive Belt SeeTo Adjust Motion Control Lever See Transmission REMOVAL/REPLACEMENTTo Adjust Steering Wheel Alignment Front Wheel TOE-IN/CAMBERTo Start Engine with a Weak Battery See Fig To Remove Hood and Grill Assembly SeeTo Replace Fuse To Replace Headlight BulbTo Adjust Throttle Control Cable See To Adjust Carburetor See FigPreliminary Setting Final SettingStorage OtherTroubleshooting Points Problem Cause CorrectionOFF Schematic TRACTOR- -MODEL NO. LTH125 HC125H42C ElectricalKEY Part Description NO. no Chassis and Enclosures KEY Part Description Drive Repair Parts Steering and Front Axle Repair Parts Engine Repair Parts Seat LSB42 Wheels and TiresLBD48 Lift KEY Part NO. NO. Description Page Mower Deck HYDRO-GEAR Transaxle Model no KEY Part NO. no Description Service Notes Service Notes Page Warranty Statement Husqvarna Forest & Garden CORev