Husqvarna LTH18542 owner manual Troubleshooting Points

Page 25

TROUBLESHOOTING POINTS

 

 

 

 

 

 

 

PROBLEM

CAUSE

 

CORRECTION

 

 

 

 

 

 

 

 

Will not start

1.

Out of fuel.

1.

Fill fuel tank.

 

 

 

2.

Engine not “CHOKED” properly.

2.

See “TO START ENGINE” in Operation section.

 

 

 

3.

Engine flooded.

3.

Wait several minutes before attempting to start.

 

 

 

4.

Bad spark plug.

4.

Replace spark plug.

 

 

 

5.

Dirty air filter.

5.

Clean/replace air filter.

 

 

 

6.

Dirty fuel filter.

6.

Replace fuel filter.

 

 

 

7.

Water in fuel.

7.

Empty fuel tank and carburetor, refill tank with fresh

 

 

 

 

 

 

gasoline and replace fuel filter.

 

 

 

8.

Loose or damaged wiring.

8.

Check all wiring.

 

 

 

9.

Carburetor out of adjustment.

9.

See “To Adjust Carburetor” in Service Adjustments

 

 

 

 

 

 

section.

 

 

 

10.

Engine valves out of adjustment.

10.

Contact an authorized service center/department.

 

 

 

 

 

 

 

 

Hard to start

1.

Dirty air filter.

1.

Clean/replace air filter.

 

 

 

2.

Bad spark plug.

2.

Replace spark plug.

 

 

 

3.

Weak or dead battery.

3.

Recharge or replace battery.

 

 

 

4.

Dirty fuel filter.

4.

Replace fuel filter.

 

 

 

5.

Stale or dirty fuel.

5.

Empty fuel tank and refill tank with fresh, clean gasoline.

 

 

 

6.

Loose or damaged wiring.

6.

Check all wiring.

 

 

 

7.

Carburetor out of adjustment.

7.

See “To Adjust Carburetor” in Service Adjustments

 

 

 

 

 

 

section.

 

 

 

8.

Engine valves out of adjustment.

8.

Contact an authorized service center/department.

 

 

 

 

 

 

 

 

Engine will not turn over

1.

Brake pedal not depressed.

1.

Depress brake pedal.

 

 

 

2.

Attachment clutch is engaged.

2.

Disengage attachment clutch.

 

 

 

3.

Weak or dead battery.

3.

Recharge or replace battery.

 

 

 

4.

Blown fuse.

4.

Replace fuse.

 

 

 

5.

Corroded battery terminals.

5.

Clean battery terminals.

 

 

 

6.

Loose or damaged wiring.

6.

Check all wiring.

 

 

 

7.

Faulty ignition switch.

7.

Check/replace ignition switch.

 

 

 

8.

Faulty solenoid or starter.

8.

Check/replace solenoid or starter.

 

 

 

9.

Faulty operator presence switch(es).

9.

Contact an authorized service center/department.

 

 

 

 

 

 

 

 

Engine clicks but will not

1.

Weak or dead battery.

1.

Recharge or replace battery.

 

start

2.

Corroded battery terminals.

2.

Clean battery terminals.

 

 

 

3.

Loose or damaged wiring.

3.

Check all wiring.

 

 

 

4.

Faulty solenoid or starter.

4.

Check/replace solenoid or starter.

 

 

 

 

 

 

 

 

Loss of power

1.

Cutting too much grass/too fast.

1.

Raise cutting height/reduce speed.

 

 

 

2.

Throttle in “CHOKE” position.

2.

Adjust throttle control.

 

 

 

3.

Build-up of grass, leaves and trash under mower.

3.

Clean underside of mower housing.

 

 

 

4.

Dirty air filter.

4.

Clean/replace air filter.

 

 

 

5.

Low oil level/dirty oil.

5.

Check oil level/change oil.

 

 

 

6.

Faulty spark plug.

6.

Clean and regap or change spark plug.

 

 

 

7.

Dirty fuel filter.

7.

Replace fuel filter.

 

 

 

8.

Stale or dirty fuel.

8.

Empty fuel tank and refill tank with fresh, clean gasoline.

 

 

 

9.

Water in fuel.

9.

Empty fuel tank and carburetor, refill tank with fresh

 

 

 

 

 

 

gasoline and replace fuel filter.

 

 

 

10.

Spark plug wire loose.

10.

Connect and tighten spark plug wire.

 

 

 

11.

Dirty engine air screen/fins.

11.

Clean engine air screen/fins.

 

 

 

12.

Dirty/clogged muffler.

12.

Clean/replace muffler.

 

 

 

13.

Loose or damaged wiring.

13.

Check all wiring.

 

 

 

14.

Carburetor out of adjustment.

14.

See “To Adjust Carburetor” in Service Adjustments

 

 

 

 

 

 

section.

 

 

 

15.

Engine valves out of adjustment.

15.

Contact an authorized service center/department.

 

 

 

 

 

 

 

 

Excessive vibration

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade bolt.

 

 

 

2.

Bent blade mandrel.

2.

Replace blade mandrel.

 

 

 

3.

Loose/damaged part(s).

3.

Tighten loose part(s). Replace damaged parts.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

Image 25
Contents LTH18542 Safety Rules Safety Rules Table of Contents Steering Wheel Seat Unassembled PartsKey Slope SheetTools Required for Assembly AssemblyTo Remove Tractor from Carton Before Removing Tractor from SkidInstall Seat See Fig HOW to SET UP Your TractorCheck Battery See Fig Check Deck Levelness Check Tire PressureCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor To Operate on Hills To Operate Mower See FigTo Transport See Figs Check Engine OIL Level Before Starting the EngineADD Gasoline To Start Engine See FigPurge Transmission Mowing TipsLubrication Chart MaintenanceGeneral Recommendations Before Each USETractor Engine AIR Filter CleaningEngine OIL Filter MufflerTo Install Mower See Fig Service and AdjustmentsTo Level Mower Housing To Remove Mower See FigTo Replace Mower Blade Drive Belt See Fig Belt InstallationBelt Removal To Adjust Brake Transaxle Motion Control Lever Neutral Adjustment See FigTo Replace Motion Drive Belt See Fig To Check BrakeTo Adjust Steering Wheel Alignment Transmission REMOVAL/REPLACEMENTFront Wheel TOE-IN/CAMBER To Adjust Choke Control To Adjust Throttle Control CableTo Adjust Carburetor To Replace Headlight BulbOther StorageFuel System Engine OILTroubleshooting Points With attachment clutch Tractor - Model NO. LTH18542 LTH18542A, Product no 57 SchematicElectrical KEY Part Description Chassis and Enclosures Repair Parts Drive THR CRDSteering Assembly Repair Parts 1712 Seat AssemblyWheels & Tires DecalsEngine KEY Part NO. NO. Description 152 Mower DeckKEY Part Description Mower Lift 532 15 94-60 Wire Asm Inner W/plunger LT Service Notes Service Notes Warranty Statement Only Ride UP and Down Hill Not Across Hill Degrees MAX Suggested Guide for Sighting Slopes for Safe Operation532 18 98-98 11.18.03 RD