pressure test and or vacum test

[lone wolf]

are both needed or can you do just one ?

 

[Rookie1]

Check this out see if it helps you.http://www.arboristsite.com/showthread.php?t=112928&highlight=seals

 

[mtngun]

You are mainly concerned about the saw sucking air, and the vacuum test covers that. I would test vacuum first.

If it fails vacuum, a pressure test will help locate the leak.

It is sometimes recommended that you test pressure even if it passes vacuum, just to be safe.

 

[GASoline71]

Post this in the chainsaw forum...

Gary