Husqvarna 545 Operation Manual - Page 31
Muffler - piston and cylinder
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MAINTENANCE • Check that the throttle trigger and throttle lockout Stop switch 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. Chain catcher Start the engine and make sure the engine stops when you move the stop switch to the stop setting. Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw. NOTE! The start/stop switch automatically returns to run position. In order to prevent unintentional starting, the spark plug cap must be removed from the spark plug when assembling, checking and/or performing maintenance. Muffler Right hand guard Never use a machine that has a faulty muffler. Check that the right hand guard is not damaged and that there are no visible defects, such as cracks. Vibration damping system Regularly check that the muffler is securely attached to the machine. 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. 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 English - 31