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801 hydraulic

B

Bob C IL

New User
3pt doesn't work and no oil in pump till I pressure the rear end.. Still no oil flow to remote test plug. I can remove plug on pump while running and it thumps but no pressure. Any ideas?
 
(quoted from post at 19:19:50 06/16/16) 3pt doesn't work and no oil in pump till I pressure the rear end.. Still no oil flow to remote test plug. I can remove plug on pump while running and it thumps but no pressure. Any ideas?
Click to expand...
othing until you pressure it, sounds like lost prime, likely due to air leak in lines or shaft seals. No pressure........there will be no pressure unless you restrict flow. Nothing at test port............well if speaking of plug on top cover accy plate under front of seat, then nothing will be there unless all controls & valves are in position for lift, as that is a direct connection to the lift ram cylinder.....doesn't tell you much about the pump.
 
. Oil should still flow out of test port with no pressure until you restrict it. I have nothing!!! No oil !
 
I have seen where the spline in the pump driven gear stripped out and caused this problem. Symptom

Zane
 
(quoted from post at 20:39:05 06/16/16) . Oil should still flow out of test port with no pressure until you restrict it. I have nothing!!! No oil !
Click to expand...
f you are calling pump plug "test port", then yes, but if you are referring to the port on accessory plate, then no.
 
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