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McCulloch Pro Mac 610 Problem
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Posted by Paul on October 24, 2003 at 06:00:42 from (203.109.236.163):
Hi Guys I recently picked up a few chainsaws at a local auction two of which a McCulloch saws. I am having a bit of a problem with the old Pro Mac 610. When I first got it home I could get the thing to run any more than a few seconds so I pulled off the air filter and noticed that the fuel line was all hard and brital and in one spot was leaking fuel everywere so I replaced it and sure enough it start on the the third pull. It seems to run like a charm, idols perfectly in fact it idols somther than any of my other saws!!
My problem is as soon as I try and cut a piece of timber it just dies. At first I thought it might have been a clutch problem but it does not sound like it is slipping.
It sounds like the thing labours when it is under load like someone is grabbing hold of the chain (not that you would of coarse :o) I don't have a guage to check the compression on it but it doesn't feel to bad when you try and start it. I pulled the muffler off to check inside the port for any piston scoring but it looks quite good.
If it needed a new piston ring in it would this be a sympton that would show that
Could any Pro Mac users shed any light??
Regards,
Paul
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