Posted 7/4/2008 14:20 (#409706 - in reply to #409648) Subject: Re: A/C Question on JD 4430...
Hagen Brothers farms,Goodrich ND
If the new parts were installed with POE (ester oil) which is compatable with either R 12 or R134a, then just vacuum the system and install R134a. If it had mineral oil installed, then Whitmore's post applies.