Husqvarna 450 Rancher Manual De Usuario página 31

4. Examine the groove in the guide bar for wear.
Replace the guide bar if it is necessary.
5. Examine if the guide bar tip is rough or very worn.
6. Make sure that the bar tip sprocket turns freely and
that the lubricating hole in the bar tip sprocket is not
blocked. Clean and lubricate if it is necessary.
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.
1286 - 012 - 08.03.2023
• Replace the fuel filter yearly or more frequently if
necessary.
CAUTION:
causes malfunction.
Air cleaning system
™
AirInjection is a centrifugal air cleaning system that
removes dust and dirt before the particles are caught by
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 and the air guide plate, the pawls on the flywheel,
the cooling fins on the cylinder, the cooling channel and
the cylinder cover.
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:
cooling system can make the product
too hot, which can cause damage to the
product.
Contamination in the tanks
™
extends the life of the air filter
A dirty or blocked
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