Husqvarna 556 Operator's Manual page 31

7. Turn the guide bar daily to extend its life cycle.
To do maintenance on the fuel tank
and the chain oil tank
• Drain and clean the fuel tank and the chain oil tank
regularly.
• Replace the fuel filter yearly or more frequently if
necessary.
CAUTION: Contamination in the tanks
causes malfunction.
To adjust the chain oil flow
WARNING: Stop the engine before you
make adjustments to the oil pump.
1. Turn the adjustment screw for the oil pump. Use a
screwdriver or combination wrench.
a) Turn the adjustment screw clockwise to decrease
the chain oil flow.
b) Turn the adjustment screw counterclockwise to
increase the chain oil flow.
Recommended settings for the oil pump
• Guide bar length 13-15 in: Minimum flow
• Guide bar length 16-18 in: Medium flow
• Guide bar length 20-28 in: Maximum flow
Air cleaning system
™
AirInjection is a centrifugal air cleaning system that
removes dust and dirt before the particles are caught by
587 - 001 - 29.10.2018
+
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the air filter. AirInjection
and the engine.
To clean the cooling system
The cooling system keeps the engine temperature
down. The cooling system includes the air intake on the
starter (A) and the air guide plate (B), the pawls on the
flywheel (C), the cooling fins on the cylinder (D), the
cooling channel and the cylinder cover (E).
B
A
1. Clean the cooling system with a brush weekly or
more frequently if it is necessary.
2. Make sure that the cooling system is not dirty or
blocked.
CAUTION: A dirty or blocked cooling
system can make the product too hot,
which can cause damage to the product.
™
extends the life of the air filter
D
C
E
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