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I cant believe it mad it.

rob066

rob066

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I was cutting a triaxal load of poles My saw locked up. I worked the crank back and fourth by the flywheel it suddenly came free. In restarted it and continued to cut about 6 more chords the job was completed. I decided to take the saw apart to see what happened. The piston circlip came out and appearantly went out the exhaust. I put in two new clips and all is well. The girl has cut much more wood after this happened . It is a Jonsered 2159. Ithink the clip got ground to powder. There is a small gouge at the bottom of the cylinder.
 
Matt Hogden

Matt Hogden

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I was cutting a triaxal load of poles My saw locked up. I worked the crank back and fourth by the flywheel it suddenly came free. In restarted it and continued to cut about 6 more chords the job was completed. I decided to take the saw apart to see what happened. The piston circlip came out and appearantly went out the exhaust. I put in two new clips and all is well. The girl has cut much more wood after this happened . It is a Jonsered 2159. Ithink the clip got ground to powder. There is a small gouge at the bottom of the cylinder.
You are VERY lucky mate

Sent from my SM-G930F using Tapatalk
 
Bob Hedgecutter

Bob Hedgecutter

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Yeah na, the clip isn't powder- it might be in the muffler- or in the crankcase waiting its time to bite you in the arse.

Was it a factory clip, or had you added an aftermarket piston at some stage?

For future reference- if a saw suddenly locks up when you are using it, giving it a wiggle and starting it up again is probably a bad idea. This could have gone a whole lot worse for you.
 
rob066

rob066

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Oct 30, 2009
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Yeah na, the clip isn't powder- it might be in the muffler- or in the crankcase waiting its time to bite you in the arse.

Was it a factory clip, or had you added an aftermarket piston at some stage?

For future reference- if a saw suddenly locks up when you are using it, giving it a wiggle and starting it up again is probably a bad idea. This could have gone a whole lot worse for you.
OEM the saw has never been apart before failure
 
Bob Hedgecutter

Bob Hedgecutter

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The old clip must have been ejected out the exhaust port then.
They run real good as a 357, had my own one like that for a while- it had that many hours on it the piston skirt was getting paper thin. At the time I could not find a new piston locally, so put a meteor 357 top end on instead.
Recently found a new OEM piston, so put it back to 2159 with the old cylinder.
One day I will find a toasted 2159/359 to put the 357 head on.
 
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