Posted 8/7/2012 00:26 (#2525940 - in reply to #2525827) Subject: RE: Case 1680 A/C info needed
S.E. Iowa
Alot of older r12 units had a sight glass, a little window near the compressor or where you put your fluid in. Looking into the sight glass you would see bubbles in the system, usually you filled the system till the bubbles disappeared.
Case 1680 A/C info needed
