Husqvarna LTH1742TWIN manual Troubleshooting Points

Page 26

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

Image 26
Contents LTH1742TWIN General Operation Safety RulesSafe Operation Practices for Ride-On Mowers II. Slope OperationIV. Towing ServiceIII. Children Table of Contents Unassembled Parts Steering WheelTo Remove Tractor from Carton AssemblyTools Required for Assembly Before Removing Tractor from SkidAttach Hood Scoop See b Install Seat See Figs a and 2bCheck Battery See a Check for Proper Position of ALL Belts Check Tire PressureCheck Deck Levelness Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor To Move Forward and BackwardTo Operate Mower See Fig To Adjust Mower Cutting Height See FigUsing the Reverse Operation System Reverse Operation System ROS See FigCheck Engine OIL Level Before Starting the EngineTo Transport See Figs ADD GasolineAutomatic Transmission Warm UP Mowing TipsPurge Transmission Service Dates MaintenanceLubrication Chart General RecommendationsBlade Removal see a TractorBlade Care To Sharpen Blade See BEngine Cleaning To Remove Mower See Fig Service and AdjustmentsTo Install Mower See Fig On rear mower bracket and secure with washer Retainer spring To Level Mower To Replace Motion Drive BELTSee FIG Belt InstallationTo Replace Mower Blade Drive Belt See Fig To Check BrakeTo Start Engine with a Weak Battery See Fig Transmission REMOVAL/REPLACEMENTTo Adjust Steering Wheel Alignment Front Wheel TOE-IN/CAMBERTo Adjust Carburetor To Adjust Throttle Control CableTo Adjust Choke Control To Replace Headlight BulbFuel System StorageOther Engine OILTroubleshooting Points With attachment clutch Service Notes Service Notes Service Notes Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAX532 41 73-88 11.02.07 AP

LTH1742TWIN specifications

The Husqvarna LTH1742TWIN is a standout in the realm of garden tractors, designed to deliver exceptional performance for home gardeners and those with larger yards. This versatile machine offers a perfect combination of power, efficiency, and ease of use, making it an ideal choice for a variety of mowing tasks.

At the heart of the LTH1742TWIN is its robust 17-horsepower Briggs & Stratton twin-cylinder engine, which provides ample power for tackling even the thickest grass. The engine is both reliable and efficient, ensuring that users can complete their mowing tasks with minimal downtime. Additionally, the hydrostatic transmission enhances the driving experience, offering smooth and effortless speed adjustments with the simple push of a pedal. This feature allows users to easily navigate around obstacles without the need for frequent gear changes.

One of the standout features of the LTH1742TWIN is its 42-inch cutting deck, designed with a clear-cutting edge to ensure a tidy and professional-looking finish. The deck is equipped with two blades that effectively slice through grass and other vegetation, providing a superior cut that promotes a healthier lawn. Furthermore, the deck can be easily adjusted to cut at different heights, allowing users to customize their mowing heights based on their preferences and the condition of their lawn.

In terms of design, the Husqvarna LTH1742TWIN includes an ergonomic steering wheel and comfortable seat, ensuring that operators can mow for extended periods without discomfort. The cutting deck has a washout port, making it easy to clean after use and maintain the mower in optimal condition. Additionally, the rugged chassis and durable construction are built to endure the rigors of regular use in various lawn care environments.

Technologically, the Husqvarna LTH1742TWIN features an intuitive control panel that provides quick access to essential functions, including blade engagement and throttle control. This thoughtful design enhances user control and ensures a more efficient mowing experience. The option for mulch, bag, or side-discharge options further adds to its versatility, allowing users to choose how they want to handle grass clippings.

In summary, the Husqvarna LTH1742TWIN is a powerful and user-friendly garden tractor designed to meet the needs of homeowners. With its effective twin-cylinder engine, versatile cutting deck, and ergonomic design, this lawn mower is not just an investment; it is a valuable partner in maintaining a beautiful and healthy lawn.