[Shop-talk] chainsaw problem

[Arvid Jedlicka]

On my husky there is a red compression release button I need to press when I start it. If I don't it has enough 
compression that it will not spin over. As soon as it fires the release will 'release' and it runs fine.


Maybe that is the issue.


On Mon, 14 Mar 2016 12:47:02 -0500
  "john niolon" <jniolon at att.net> wrote:
> Hi all 
> 
> I've got a Husqvarna 55 rancher chainsaw... few years old but low hours... seldom used. Need to remove some trees so 
>I pulled it out to get ready... here's my problem
> 
> when I pull the starter rope it will only pull out about 6" and I get serious resistance. 
> 
> Chain brake is off
> choke is set to on
> chain moves when pulled manually around the bar.. ????? 
> 
> so I remove the spark plug and try it again... rope pulls freely like it should) and I can see piston moving up and 
>down the cylinder...  so the reciprocating parts are working????
> 
> so I'm thinking maybe got a valve stuck and compression is holding the saw... this saw has no compression release 
> 
> I'm stumped ...any suggestions ?? Right now it's sitting on the bench with the piston at TDC and full of penetrating 
>oil.. thinking maybe something might free up...
> hoping I don't have to tear this thing down..
> 
> help ??
> 
> thanks
> 
> john