Posted 9/12/2013 10:32 (#3323570 - in reply to #3323453) Subject: Re: Old PTA 325 Steiger auto steer?
Winkler, Manitoba Canada
The Steigers of that era have an open centre hydraulic system with a closed centre load sensing steering system fed via a load sensing priority valve. The steering system only uses significant flow when steering. Approximately 1/4 to 1/2 gpm bleeds through the steering system when not steering.