Posted by tarment10 on October 28, 2023 at 06:35:26 from (76.37.218.2):
In Reply to: IH 300u problems posted by tarment10 on October 20, 2023 at 12:26:24:
Update to the update. The troubles continue. After adjusting the timing, the tractor seemed to be running really nicely. I changed the alternator because the battery wasn't charging....and now it still doesn't charge, but that's not the issue I'm coming back to the forum for.
After the unsuccessful alternator swap out, I decided to give the brush hog another go. The tractor was running smoothly until I tried to raise the three point arms to raise the brush hog, at which point it switched back to sounding very overloaded again. This time I felt the hydraulic lines and they were starting to warm up. I think that there may be an issue with the hydraulic control valve on the right side of the tractor seat. It leaks pretty badly, so I'm wondering if there is something jammed up in its internals. The hydraulic pump where the ignition housing bolts in is also in need of a software replacement, which I'm planning on doing and have the parts for. I'm wondering if ignition housing is also getting overloaded with hydraulic oil because of the high load of that control valve locking up forcing more oil to leak from the pump seals.
What I could use from this forum is some advice if you all think that the problem could lie in components other than the pump and that control valve. I'm planning on servicing both of them today.
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