Need Help identifying problem

[ovrszd]

Yeah, that was going to be my comment. Why would you continue to use something that is simply out of adjustment.

 

[wdchyd]

true, sometimes the squeal of relief valve can be hidden over engine. OTOH I’ve used that blow-over-relief-valve 3PH intentionally during the frigid months to warm up the hyd oil while idling for 15 mins or so before up to speed. It works great.