The BSA A7-A10 Forum

Technical (Descriptive Topic Titles - Stay on Topic) => Amal, Carburation => Topic started by: gary on 12.10. 2021 15:50

Title: bsa petcock cork washer
Post by: gary on 12.10. 2021 15:50

hi. could someone tell me what the correct thickness of the cork washer the flat disk washer for the early petcocks should be? thanks

Title: Re: bsa petcock cork washer
Post by: Slymo on 14.10. 2021 22:28

I cut them out of wine corks so that it is only just possible to screw in the top and bottom. I also suggest you drop them in boiling water to soften them before you put them in and assemble them with a bit of soap as a lubricant. I don't cut the hole in them either preferring to clamp them all up tight in the open position then push through a red hot rod of an appropriate size.
this is obviously for the push slide round off hexag-on type of tap.