Do a check of the guide bar regularly.
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Examine if there are burrs on the edges of the guide bar. Remove burrs with a file if necessary.
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Examine the groove in the guide bar for wear. Replace the guide bar if necessary.
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Examine if the guide bar tip is rough or very worn. Hollow shapes on the guide bar tip is a result of bad saw chain tension.
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Turn the guide bar daily to extend its life cycle.
