Husqvarna LTH1742T manual Troubleshooting Points, Problem Cause Correction

Page 27

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27

Image 27
Contents LTH1742TWIN II. Slope Operation Safety RulesSafe Operation Practices for Ride-On Mowers General OperationIV. Towing ServiceGeneral Service III. ChildrenTable of Contents Steering Wheel Unassembled PartsBefore Removing Tractor from Skid AssemblyTools Required for Assembly To Remove Tractor from CartonInstall Seat See Figs Check Battery See FigAttach Hood Scoop See Fig Check Brake System Check Tire PressureCheck Deck Levelness Check for Proper Position of ALL BeltsOperation Know Your Tractor To USE Throttle Control D See Fig HOW to USE Your TractorTo SET Parking Brake See Fig Stopping See FigTo Operate on Hills To Adjust Mower Cutting Height See FigTo Adjust Gauge Wheels See Fig To Move Forward and Backward See FigTo Operate Mower Service REMINDER/HOUR MeterTo Transport See Fig Towing Carts and Other AttachmentsTo Start Engine See Fig Before Starting the EngineCheck Engine OIL Level ADD GasolinePurge Transmission Mowing TipsSchedule MaintenanceMaintenance General RecommendationsBlade Removal See Fig BatteryTractor Blade CareEngine Spark Plugs CleaningAIR Filter MufflerService and Adjustments To Install Mower See FigsTo Remove Mower See Fig Raise attachment lift lever to highest position To Level Mower To Replace Motion Drive Belt See Fig Belt InstallationTo Replace Mower Blade Drive Belt See Fig To Check BrakeFront Wheel TOE-IN/CAMBER Transmission REMOVAL/REPLACEMENTTo Adjust Steering Wheel Alignment To Start Engine with a Weak Battery See FigTo Replace Headlight Bulb To Adjust Throttle Control CableTo Adjust Choke Control To Adjust CarburetorEngine OIL StorageOther Fuel SystemProblem Cause Correction Troubleshooting PointsWith attachment clutch Service Notes Service Notes Suggested Guide for Sighting Slopes for Safe Operation 532 41 73-88 Rev 02.25.09 SR

LTH1742T specifications

The Husqvarna LTH1742T is a robust lawn tractor designed for homeowners who seek a reliable, efficient, and easy-to-use machine for maintaining their lawns. This model combines power, comfort, and innovative features that enable users to tackle various yard tasks with efficiency and ease.

One of the standout features of the LTH1742T is its powerful engine. Equipped with a 17-horsepower Briggs & Stratton single-cylinder engine, this lawn tractor can handle different terrains, providing ample power to cut through thick grass and tackle hilly landscapes. The engine is designed for ease of maintenance, ensuring that users can keep their machine in top condition without unnecessary hassle.

The cutting deck is another highlight of the LTH1742T. It comes with a 42-inch cutting width, making it suitable for medium to large yards. The deck features a triple-blade system, allowing for a clean and even cut, which not only enhances the appearance of your lawn but also promotes healthy grass growth. The cutting height is easily adjustable, offering six different positions so users can customize their mowing experience based on grass type and seasonal requirements.

The Husqvarna LTH1742T is designed with comfort in mind. The ergonomic seating provides ample support during long mowing sessions, while the steering wheel is positioned for optimal control. Another convenient feature is the easy-to-use automatic transmission, which allows for smooth acceleration and simple maneuvering without the need for constant gear shifting.

In terms of safety, the LTH1742T is equipped with an electric start system that eliminates the need for manual crank-starts. The safety features also include an operator presence switch, ensuring that the tractor will not operate unless the user is seated.

Additionally, this lawn tractor incorporates Husqvarna's innovative technologies such as the Air Induction Mowing Technology, which enhances airflow within the deck to provide superior cutting performance and ensures better grass collection.

Overall, the Husqvarna LTH1742T is engineered for efficiency, comfort, and performance. Its combination of power, cutting capabilities, and user-centric design makes it an excellent choice for homeowners looking to achieve a well-manicured lawn with minimal effort. Whether tackling overgrown areas or maintaining a well-kept yard, the LTH1742T stands out as a dependable workhorse ready for any challenge.