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Discussion Starter #1 (Edited)
I am working on a Stihl 028av and am having a problem getting the choke to close fully. It seems that the air filter/choke should have some sort of gasket between it and the carburetor. The Start/choke switch doesn't lock completely in place. I can get it to choke if I push and hold the thing, but the choke runs out of travel before I can get the lever fully locked. Any help would be appreciated as I don't have a manual or parts diagram.
 

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There isn't any gaskets between the air filter and the carburetor. I would look closely at the switch shaft and the contact spring , make sure there is nothing broken or missing on the shaft, also make sure the spring is not bent or out of place. I have also worked on saws where the user has over tightened the air filter and deformed it so the choke would not work correctly.
 

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Discussion Starter #3
Rotti

Just wanted to say thanks! It turned out to be that the air cleaner was deformed, as you thought. Got a new one and it works fine

Dave
 
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