Troubleshooting - Husqvarna T540XP II Operator's Manual

1. Turn the adjustment screw for the oil pump. Use a
screwdriver or combination wrench.
a) Turn the adjustment screw clockwise to increase
the chain oil flow.
b) Turn the adjustment screw counterclockwise to
decrease the chain oil flow.
To clean the cooling system
The cooling system keeps the engine temperature
down. The cooling system includes the air intake on the
starter (A), the air guide plate (B), the pawls on the
flywheel (C) and the clutch cover (D).
The engine does not start
Product part to examine
Starter pawls
Fuel tank
Ignition, no spark
524 - 003 -
1. Clean the cooling system with a brush weekly or
2. Make sure that the cooling system is not dirty or

Troubleshooting

Possible cause
The starter pawls are blocked.
Incorrect fuel type.
The fuel tank is filled with chain oil.
The spark plug is dirty or wet.
The electrode gap is incorrect.
more frequently if it is necessary.
blocked.
CAUTION: A dirty or blocked cooling
system can make the product too hot,
which can cause damage to the product.
B
A
Action
Adjust or replace the starter pawls.
Clean around the pawls.
Speak to an approved service work-
shop.
Drain the fuel tank and fill with cor-
rect fuel.
If you have tried to start the product,
speak to your servicing dealer. If you
have not tried to start the product,
drain the fuel tank.
Make sure that the spark plug is dry
and clean.
Clean the spark plug. Make sure that
the electrode gap and spark plug is
correct, and that the correct spark
plug type is the recommended or
equivalent.
Technical data on page 28
Refer to
for the correct electrode gap.
D
C
27