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Author Topic: 044 Piston stop advice and how to get clutch off  (Read 1346 times)

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Offline Nathaniel Vansickle

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Re: 044 Piston stop advice and how to get clutch off
« Reply #10 on: November 26, 2014, 06:18:14 am »
Avoid using a piston stop and an impact at the same time. Bad things can happen when you have the any kind of piston stop in and start using an impact. We broke a piston using a rope in the spark plug hole then hitting it with the impact. Thankfully we were taking it apart to rebuild so no real harm
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Offline mdavlee .

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Re: 044 Piston stop advice and how to get clutch off
« Reply #11 on: November 26, 2014, 08:11:29 am »
Impact=no piston stop
Rope=by hand breaker bar
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Offline sharkey

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Re: 044 Piston stop advice and how to get clutch off
« Reply #12 on: November 27, 2014, 07:10:15 am »
Another vote for a length of rope down through the plug hole and a breaker bar. 
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Offline Wood Butcher

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Re: 044 Piston stop advice and how to get clutch off
« Reply #13 on: November 27, 2014, 10:46:10 pm »
Piece o' cake!

1/2-inch impact on lowest torque setting with a 19mm deep impact socket on and a few blips of the trigger, and it came right off.  Kept the spark plug in, by the way.

Thanks guys for the great advice.

Seems to be leaking bar oil from behind the chain tensioner.  I cleaned it up really well with compressed air and brake cleaner and that is where the oil seems to be dripping from.   What would cause that?  I thought it would be the oil pickup hose, but that seems fine.
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Offline 3000 FPS

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Re: 044 Piston stop advice and how to get clutch off
« Reply #14 on: November 28, 2014, 12:22:07 am »
Good to hear Wood Butcher.
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Offline 3000 FPS

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Re: 044 Piston stop advice and how to get clutch off
« Reply #15 on: November 28, 2014, 12:25:18 am »
Did you say it is leaking oil from behind the chain tensioner, if so is there a crack in the case behind the tensioner.   Pull the tensioner out and look at it with a magnifier.
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Offline jmester

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Re: 044 Piston stop advice and how to get clutch off
« Reply #16 on: November 28, 2014, 05:48:29 am »
I would think that it is just dripple coming from the tank vent or left over oil from the gallery getting trapped behind the inner guide plate and slowly running down to the lower AV mount and then to the floor. Just a guess.
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Offline 660magnum

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Re: 044 Piston stop advice and how to get clutch off
« Reply #17 on: November 28, 2014, 08:55:01 am »
Most chainsaws dribble a little oil while setting on the shelf for a while
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Offline Fish

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Re: 044 Piston stop advice and how to get clutch off
« Reply #18 on: November 28, 2014, 05:20:20 pm »
We all dribble a little bit when we are old and gave out........
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Offline Wood Butcher

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Re: 044 Piston stop advice and how to get clutch off
« Reply #19 on: November 28, 2014, 09:43:40 pm »
It's not a dribble.  More like a mess.  It's leaking from two places:

The vent and the oil pump itself.  Looks like the plastic cap on the end of the oil pump bore where the oil is coming out of the pump.

Thanks for the tip on looking for a crack behind the tensioner.  This saw was used daily by an old tree cutter friend of mine and by the looks of it, it's been just a tad beat, so a crack would not surprise me.

I'm just going to order a new pump unless I can find o-rings for existing pump.
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