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  #61  
Old 08-23-2018, 03:51 PM
CC1572 CC1572 is offline
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Quote:
Originally Posted by CubDieselFan View Post
What kind of fluid and filter did you use?
I put a new direct cross reference from the Cub cadet filter I had on it previously. And some hytran fluid I got at the local IH dealer. Same fluid I used in the last rearend.
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  #62  
Old 08-23-2018, 04:48 PM
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Sam Mac Sam Mac is offline
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two things 1st you have the fan on backwards. 2nd I would try swapping the implement relief valve from your old pump to this one. The fact that it goes forward and backwards indicates that the charge pump is working so you may just have a stuck implement valve.
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File Type: jpg pump2.jpg (81.6 KB, 67 views)
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  #63  
Old 08-23-2018, 05:23 PM
J-Mech J-Mech is offline
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The valve would have to be stuck open Sam. If it is, he should just be able to clean it.

I'm betting it's something really simple being overlooked.
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  #64  
Old 08-23-2018, 06:48 PM
CC1572 CC1572 is offline
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Originally Posted by Sam Mac View Post
two things 1st you have the fan on backwards. 2nd I would try swapping the implement relief valve from your old pump to this one. The fact that it goes forward and backwards indicates that the charge pump is working so you may just have a stuck implement valve.
Yea I wasn't even paying attention to the fan I'll swap that around first thing. I'll take the valves out and swap them out. I'll try and look for any blockage in there as well.
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  #65  
Old 08-23-2018, 06:50 PM
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ol'George ol'George is offline
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The bubbles in the oil is air, after it sets a few hours, try it again.
Not unheard of to have what you describe happen.
The whole system had been disturbed and full of air.
Now that it is filled with oil it should start to operate and work the remaining air out.
Is the nut tight on the suction tube on the bottom of the unit?
That is where the system it gets it's oil from the rear end reservoir.
Also on the "cork" gasket.
let me explain that situation.
The oil in the hydro returns into the reservoir in one of 2 ways,
The early ones has 2 male torex head bolts, to retain the angular plate inside the hydro, the 3rd hole was for the oil to return to reservoir.
The later units had the plate cast into the hydro eliminating the 2 bolts and did away with the 3rd return hole, making the oil return around the shaft bearing to the reservoir.
Hoping that bearing was not replaced with a sealed unit, unlikely someone did that but it is possible, I've had to replace a worn shaft edit& bearing before.
Just a heads up for you.
Edit:
Read my post #8 on charge pump orientation in case it has been removed & installed wrong
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  #66  
Old 08-24-2018, 07:03 PM
CC1572 CC1572 is offline
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Well you were right in the fact that it was something simple. I started out making sure the valves weren't plugged up, and even replaced them with the ones out of my old pump. Started it up and no change except for the fact that now my forward control didn't do anything. I was looking the pump over for leaks with it running and as I shut it off i saw the charge pump move. Apparently the charge pump cover was loose. I'm surprised nothing leaked out of it. But irregardless I tightened up the pump and flipped around the fan and started it up and everything worked! I did some mowing with it just to work out any bubbles in the system and I noticed that it wont keep a steady speed. I set the forward control to the first mark and it'll go just fine but after a bit it either slows down or speeds up. I checked the linkages for slop and had some slop in-between the damper spring and trunnion. I had to fix this slop on the old pump, with the trunnion repair kit from xtreammotorworks.com but I'm hoping that's all I have to do on this one. Is there anything else I need to look for in this situation?
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