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After every 10 hours of use you need to clean or replace air filter. Byreplacing air filter on a regular basis your chainsaw will be able to run cooler and use less fuel.
The sprocket tip should be lubricated after every 10 hours of use. You will know that lubrication is complete when a small amount of grease appears at edge of guide bar near sprocket.
For every 10 hours of use guide bar should be turned. Flip guide bar over to promote an even wear pattern on bottom and top of bar. Inspect spark plug after every 10 hours of use and cleaned or replaced as necessary.
For every 10 hours of use spark arrester screen should be inspected and cleaned and replaced when necessary. The spark arrester screen prevents sparks from leaving exhaust port and hurting operator or falling on flammable materials.
The fuel filter should be replaced after every 20 hours of use. Poor performance can result if filter becomes clogged.
To ensure maximum performance perform following procedures as needed to prolong life of your chainsaw. Take your chainsaw to an authorized dealer if carburetor needs adjustment. The chain blades should be sharpened periodically as they become dull.
Keith Kingston is a professional web publisher, offering information on chainsaws. You can visit his website at http://www.4-chainsaws.com/