Husqvarna 324L Workshop Manual page 45

Starting Cause:
The engine is not The fuel filter is blocked.
possible to prime.
The fuel hose is blocked.
There is air in the fuel hose.
The flow bellows are damaged.
The needle valve is defective.
The needle valve lever does not operate cor-
rectly.
The control diaphragm is damaged.
The control diaphragm has a defective seal.
The needle valve is blocked.
Idle speed (low Cause:
speed)
The engine does not The stop screw for the throttle does not oper-
operate on idle ate correctly.
speed.
The fuel filter is blocked.
The fuel hose is blocked.
There is air in the fuel hose.
The carburetor is not installed correctly.
The heat insulation seal is defective.
The needle valve lever does not operate cor-
rectly.
The idle speed is too The needle valve lever is damaged.
low.
The needle valve lever is too high.
The needle valve lever does not operate cor-
rectly.
The needle valve is worn.
There is an object in the needle valve guide.
1218 - 001 - 01.07.2019
Action:
Clean the fuel filter. Replace the fuel filter if it
is necessary.
Clean the fuel hose. Replace the fuel hose if
it is necessary.
Use the air purge bulb to remove the air from
the fuel hose.
Replace the flow bellows.
Replace the needle valve.
Examine the needle valve lever. Replace the
needle valve lever if it is necessary.
Replace the control diaphragm.
Replace the control diaphragm.
Clean the needle valve.
Action:
Examine the stop screw for wear and dam-
age. Replace defective parts.
Clean the fuel filter. Replace the fuel filter if it
is necessary.
Clean the fuel hose. Replace the fuel hose if
it is necessary.
Use the air purge bulb to remove the air from
the fuel hose.
Install the carburetor correctly. Refer to
move and install the carburetor on page 19 .
Replace the heat insulation seal.
Examine the needle valve lever. Replace the
needle valve lever if it is necessary.
Replace the needle valve lever.
Adjust the needle valve lever.
Examine the needle valve lever. Replace the
needle valve lever if it is necessary.
Replace the needle valve.
Clean the needle valve guide.
To re-
Troubleshooting - 45