'71 Ford 3000 Diesel. I have hydraulic leak. Where the high pressure hydraulic line enters the rear housing. While I lift 3pt implement, the leak occurs. When I take the pressure off,
the leak stops. I can actually see the hydraulic pipe pushing out from the C7NNH856C Tube Nut. So it has been working in and out for a time, I guess. And the nut is tight as can be.
I went to local dealer and he had the C7NNH856C nut. I would call this joint design a rubber compression fitting.
My big question right now is, if I remove the nut and tube, how much oil will I lose? Do I need to drain all the 7 gallons of tractor fluid oil. My take is just the oil that is in the line and any in the passage ways of the control valve. Remember this is the high pressure pipe, not the larger suction pipe just below it. I just changed the oil, ahh. What do you think?
At the dealer we talked about the possibility the pipe is worn from that movement, and my $40 nut may not seal. Might have to get new pipe, which they can get. FYI, the same C7NNH856C
nut is used at the other end of the high pressure pipe, at the hydraulic pump.
the leak stops. I can actually see the hydraulic pipe pushing out from the C7NNH856C Tube Nut. So it has been working in and out for a time, I guess. And the nut is tight as can be.
I went to local dealer and he had the C7NNH856C nut. I would call this joint design a rubber compression fitting.
My big question right now is, if I remove the nut and tube, how much oil will I lose? Do I need to drain all the 7 gallons of tractor fluid oil. My take is just the oil that is in the line and any in the passage ways of the control valve. Remember this is the high pressure pipe, not the larger suction pipe just below it. I just changed the oil, ahh. What do you think?
At the dealer we talked about the possibility the pipe is worn from that movement, and my $40 nut may not seal. Might have to get new pipe, which they can get. FYI, the same C7NNH856C
nut is used at the other end of the high pressure pipe, at the hydraulic pump.
