Posted 11/13/2012 21:49 (#2695850 - in reply to #2695707) Subject: Re: Raven Injection Pump issues
Central Ia
I would start by rebuilding the whole head portion of the pump with all new poly head, intake and discharge valves and SS shaft. The shaft may have some fine grooves when under pressure it starts to suck air therefore not pump the correct rate.
Raven Injection Pump issues
