Troubleshooting; Transportation And Storage - Husqvarna 555FX Operator's Manual

The engine does not start
Check
Stop switch.
Starter pawls.
Fuel tank.
Carburetor
Spark plug.
Fuel filter
The engine starts but stops again
Check
Fuel tank
Fuel filter
Carburetor
Air filter
• Let the product cool before transportation or storage.
30

Troubleshooting

Possible cause
The stop switch is in the stop posi-
tion.
The starter pawls cannot move free-
ly.
Incorrect fuel type.
Incorrect adjustment of the idle
speed
The spark plug is dirty or wet.
The spark plug electrode gap is in-
correct.
The spark plug is loose.
The fuel filter is clogged.
Possible cause
Incorrect fuel type.
The fuel filter is clogged.
The idle speed is not correctly adjus-
ted.
The air filter is clogged.

Transportation and storage

Procedure
Let an approved servicing dealer re-
place the stop switch.
Remove the starter cover and clean
around the starter pawls. Refer to
clean the cooling system on page 25 .
Let an approved servicing dealer
help you.
Drain the fuel tank and fill with cor-
rect fuel.
Adjust the idle speed with the idle
speed screw T.
Make sure that the spark plug is dry
and clean.
Clean the spark plug. Make sure that
the electrode gap is correct. Make
sure that the spark plug has a su-
pressor.
Refer to
for correct electrode gap.
Tighten the spark plug.
Replace the fuel filter.
Procedure
Empty the fuel tank and fill it with cor-
rect fuel.
Replace the fuel filter.
Adjust the idle speed with the idle
speed screw T.
Clean the air filter.
• Remove the spark plug cap before long-term
storage.
Technical data on page 31
1346 - 002 - 08.10.2019
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