wrenchhead
New member
Hello. i am new to this forum. i have a Case IH 3394 that i did a complete powershift rebuild. i got it all back together and running. i was getting the transmission low oil pressure light coming on. i followed the repair manual and did the test. when i would dead head the pump by blocking off outlet pipe and plugging off the compensator line. i would get 80 psi at idle where spec was 200 psi. i hooked up a flow meter and the pump lost all pressure after roughly 15 seconds. we took pump in to get rebuilt. installed rebuilt pump. i started tractor and now while i am cranking the tractor i the 350 psi, but when the tractor starts i loose all pressure, when i
shut the tractor off. the pressure reading jumps up to 350 and drops to zero again. tried to bleed pump. but not sure what else to try!
shut the tractor off. the pressure reading jumps up to 350 and drops to zero again. tried to bleed pump. but not sure what else to try!