Husqvarna 338XPT 用户手册

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页码 40
32 – 
English
MAINTENANCE
Cooling system
To keep the working temperature as low as possible the 
machine is equipped with a cooling system.
The cooling system consists of:
1
Air intake on the starter.
2
Air guide plate.
3
Fins on the flywheel.
4
Cooling fins on the cylinder.
5
Cylinder cover (directs cold air over the cylinder).
Clean the cooling system with a brush once a week, more 
often in demanding conditions. A dirty or blocked cooling 
system results in the machine overheating which causes 
damage to the piston and cylinder.
Note! The cooling system on a chain saw with catalytic 
converter must be cleaned daily. This is particularly important 
on chain saws with catalytic converters, because the higher 
exhaust temperature requires efficient cooling of the engine 
and the catalytic converter unit.