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

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Husqvarna LTH1842 manual Troubleshooting Points

LTH1842 specifications

The Husqvarna LTH1842 is a reliable and efficient riding mower designed for homeowners who need a robust lawn care solution. Engineered with a focus on performance and user comfort, this model is an excellent choice for those maintaining medium to large-sized yards.

One of the standout features of the LTH1842 is its powerful 18.5 HP Briggs & Stratton engine. This engine provides ample power for a smooth cutting experience, ensuring that grass is cut evenly and effectively. Users will appreciate the automatic transmission, which allows for effortless speed adjustments and makes mowing a straightforward task, even on hilly terrain.

The cutting deck is another highlight of the Husqvarna LTH1842. With a width of 42 inches, it features a reinforced design that enhances durability. The cutting height can be adjusted to six different positions, ranging from 1 to 4 inches, giving users the flexibility to choose the perfect height for their lawn. Additionally, the fan-assisted bagger option helps collect grass clippings efficiently, promoting a cleaner mowing experience.

Ease of use is integrated throughout the design of the LTH1842. The ergonomic steering wheel and high-back seat are designed for comfort, especially during extended mowing sessions. The clear dashboard makes it simple for operators to monitor their speed and fuel levels without distraction.

Moreover, the Husqvarna LTH1842 incorporates advanced technology to enhance functionality. The ReadyStart system enables quick starts without the need for priming, ensuring that your mower is ready when you are. The mower is also compatible with a wide range of attachments, allowing it to perform additional tasks throughout different seasons, such as mulching and snow clearing.

Safety features, including an automatic shut-off mechanism when the operator leaves the seat, ensures that the user operates the machine securely. The LTH1842 also comes with a strong warranty, reflecting the manufacturer’s confidence in the machine's durability and performance.

In summary, the Husqvarna LTH1842 is a versatile riding mower that combines power, comfort, and innovative features. It is well-suited for homeowners looking for a reliable solution to maintain their lawns efficiently. With its robust engine, adjustable cutting deck, and user-friendly design, the LTH1842 delivers performance and convenience for a superior mowing experience.