Husqvarna LTH140 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 LT H 1 4 Safety Rules Safe Operation Practices for Ride-On MowersCustomer Responsibilities Product SpecificationsModel Number LTH140 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 To Attach Front Bumper See FigAssemble Gauge Wheels to Mower Deck See Fig To Convert to Bagging or DischargingOperation Know Your TractorHOW to USE Your Tractor To Operate on Hills Before Starting the EngineADD Gasoline To Start Engine See Fig Mowing TipsPurge Transmission Lubrication Chart Service DatesCustomer Responsibilities General RecommendationsTractor Brake OperationTires Blade CareBattery See Fig To Clean Battery and TerminalsBelts Transaxle CoolingTo Service PRE-CLEANER To Service CartridgeEngine LubricationCleaning Clean AIR INTAKE/COOLING AreasMuffler Spark PlugsTo Install Mower See Fig Service and AdjustmentsTo Remove Mower See Fig To Level Mower Housing FRONT-TO-BACK Adjustment See FigsTo Adjust Attachment Clutch See Fig To Adjust Brake See FigBelt Installation To Replace Mower Blade Drive Belt See FigTransmission REMOVAL/REPLACEMENT To Adjust Motion Control Lever See FigTo Replace Motion Drive Belt See Fig To Adjust Steering Wheel Alignment To Start Engine with a Weak Battery See FigFront Wheel TOE-IN/CAMBER To Remove Wheel for Repairs See FigTo Remove Hood and Grill Assembly See Fig To Adjust Throttle Control Cable See FigTo Replace Fuse To Replace Headlight Bulb To Adjust Carburetor See Fig Preliminary Setting Final Setting Acceleration TestStorage OtherTroubleshooting Points Problem Cause CorrectionOFF Schematic 14 HP 42 Tractor Model NO. LTH140 954001192AElectrical KEY Part NO. NO. Description Chassis and Enclosures KEY Part NO. no Description Drive KEY Part Description Engine 532132753 Control Th/ch Steering Assembly Repair Parts Seat Assembly 14 HP 42 Tractor Model NO. LTH140 H954001192ALBD48 DecalsLSB42 Mower KEY Part NO. no Description Mower Lift Assembly Repair Parts HYDRO-GEAR Transaxle Model no Repair Parts Service Notes Service Notes Suggested Guide for Sighting Slopes for Safe Operation Sighting GuideWarranty Statement Limited Warranty
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