Husqvarna 240440 owner manual Troubleshooting

PROBLEM

Wi[[ not start

Hard to start

Engine will not

turn over

Engine clicks but wi[[ not start

Loss of power

Excessive vibration

TROUBLESHOOTING

CAUSECORRECTION

1.Out of fuel.

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.

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

gas.

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.

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.

1.

Weak

or dead

battery.

1.

Recharge

or replace battery.

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.

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, 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

gas.

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

15.

Engine valves

out of adjustment.

15.

Contact

an authorized

service

center/department.

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