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When running my chainsaw chain comes off. - McCulloch Garden

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Maybe the chain isn't tight enough, Not that it should be tight but with a gentle pull away from the guide bar the "roots" of the chain should not come clear of the groove in the bar.
The chain should not be too tight but so long as the chain runs freely, which you can check by rotating the chain by hand, then it w should run OK.
Don't forget, always keep the chain perfectly sharp as a blunt chain causes wear and tear on the machine and makes the work a lot harder for the operator.

Posted on Jun 03, 2010


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