Posted 5/16/2015 22:03 (#4574583 - in reply to #4574443) Subject: RE: 7000 Allis Chalmers hydraulic pump
SESD
Out of curiosity did you happen to wrap a little Teflon tape around the groove a few times where oring sits then reinstall with new oring? I have had some housings wore and done this, it works great!