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 YTH18542 owner manual Troubleshooting Points
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YTH18542 specifications

The Husqvarna YTH18542 is a versatile and efficient lawn mower designed to meet the needs of homeowners looking for a reliable and high-performing machine for maintaining their lawns. Its robust design and advanced features make it a popular choice among gardening enthusiasts and professionals alike.

One of the standout features of the YTH18542 is its powerful 18.5 HP Briggs & Stratton engine. This engine provides ample power to tackle various lawn conditions, ensuring that grass cutting is smooth and efficient. The engine is designed for durability and ease of maintenance, allowing users to focus more on mowing and less on upkeep.

The YTH18542 is equipped with a 42-inch cutting deck that boasts a reinforced structure for added longevity. This cutting deck offers a variety of cutting heights, adjustable with a simple lever, which allows users to achieve their desired grass length easily. The wide cutting path minimizes mowing time while providing a clean, even cut.

In terms of comfort, the tractor features an ergonomic design with a comfortable seat, making longer mowing sessions less taxing. The easy-to-use steering wheel provides excellent maneuverability, allowing the operator to navigate tight corners and obstacles within the yard smoothly. Additionally, the implementation of a pedal-operated hydrostatic transmission ensures seamless speed control without the need for manual gear shifting.

Husqvarna's commitment to innovation is evident in the design of the YTH18542. The machine features a tight turning radius, which enhances agility and efficiency when working around flower beds, trees, and slopes. The mower also supports attachments, enabling users to expand its functionality with tools such as baggers or mulchers, making it a multi-season investment.

The mower includes safety features like an automatic blade engagement, which instantly starts the cutting blades only when the operator is seated. This promotes safety and reduces the risk of accidents.

Lastly, the YTH18542 possesses an aesthetically pleasing design, with a bright orange finish that is striking in any landscape. Its combination of performance, comfort, and safety features makes the Husqvarna YTH18542 a top choice for anyone seeking efficiency and quality in lawn care. With its dependable performance and innovative technologies, this mower is well-suited for various yard sizes and complexities.
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