Husqvarna 338XPT 用户手册

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页码 40
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MAINTENANCE
Chain catcher
Check that the chain catcher is not damaged and is firmly 
attached to the body of the chain saw.
Vibration damping system
Regularly check the vibration damping units for cracks or 
deformation.
Make sure the vibration damping units are securely attached 
to the engine unit and handle unit.
Stop switch
Start the engine and make sure the engine stops when you 
move the stop switch to the stop setting.
Muffler
Never use a machine that has a faulty muffler.
Regularly check that the muffler is securely attached to the 
machine.
Some mufflers are equipped with a special spark arrestor 
mesh. If your machine has this type of muffler, you should 
clean the mesh at least once a week. This is best done with a 
wire brush. A blocked mesh will cause the engine to overheat 
and may lead to serious damage.
Note! The mesh must be replaced if it is damaged. If the mesh 
is blocked the machine will overheat and this will cause 
damage to the cylinder and piston. Never use a machine with 
a muffler that is in poor condition.
Never use a muffler if the spark arrestor mesh is missing 
or defective.
The muffler is designed to reduce the noise level and to direct 
the exhaust gases away from the operator. The exhaust 
gases are hot and can contain sparks, which may cause fire 
if directed against dry and combustible material.
A muffler equipped with a catalytic converter significantly 
reduces the amount of hydrocarbons (HC), nitrogen oxides 
(NO) and aldehydes in the exhaust fumes. Carbon monoxide 
(CO), which is poisonous and odorless, is not however 
reduced! Consequently, never work in an enclosed or badly 
ventilated area. Good air circulation should always prevail 
when working in snowy hollows, ravines or in confined 
conditions.