Husqvarna 576 XP EPA III 用户手册

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页码 44
MAINTENANCE
English
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 31
Checking the brake trigger
Place the chain saw on firm ground and start it. Make sure 
the chain does not touch the ground or any other object. 
See the instructions under the heading Start and stop.
Grasp the chain saw firmly, wrapping your fingers and 
thumbs around the handles.
Apply full throttle and activate the chain brake by tilting your 
left wrist forward onto the front hand guard. Do not let go of 
the front handle. The chain should stop immediately.
Throttle lockout
Make sure the throttle control is locked at the idle 
setting when the throttle lockout is released.
Press the throttle lockout and make sure it returns to 
its original position when you release it.
Check that the throttle control and throttle lockout 
move freely and that the return springs work properly.
Start the chain saw and apply full throttle. Release the 
throttle control and check that the chain stops and 
remains stationary. If the chain rotates when the 
throttle control is in the idle position you should check 
the carburetor idle adjustment.
Chain catcher
Check that the chain catcher is not damaged and is firmly 
attached to the body of the chain saw.
Right hand guard
Check that the right hand guard is not damaged and that 
there are no visible defects, such as cracks.
Vibration damping system
Regularly check the vibration damping units for cracks or 
deformation.