Clutch and brake problems on AV

1. The issue of clutch disengagement has returned. After replacing clutch complete, it later began to grind going in gears, so I used the Kroil on the tranny input shaft trick-parked on a steep hill, and it resolved it, meaning the splines or the pilot bushing were seizing.

Farmer Brown never notified me that it was grinding again, so he's been jamming it in gear for a while. Ouch! I adjusted almost all the free play out. I again put drops of Kroil on the input shaft splines, and it seemed a bit better right away. I will wait for it to creep up to the pilot bushing again, and maybe give it a second treatment. If that's really the issue.

On removing the clutch inspection cover to get at all this, I noticed bronze dust/shavings, which I identify as coming from the pilot bushing...where else is Bronze in the clutch?


2. When the clutch is fully pushed in, and in gear, there's a groaning and shuddering coming from the left brake area. The left brake locks up drastically when applied. I had replaced seals in the left brake/ham years ago.


----Any correlation in these two separate issues? I think it's two separate issues, and maybe the whole tractor needs to come apart.

If the pilot bushing is dry, Kroil will help only temporarily. If it is failing, it will leave metal shavings and cause vibrations that can travel through the gear train to vibrate things that are in harmonic agreement. Locking brakes is likely from an oil contaminated band. Splines on the input shaft can wear where the old clutch splines touched. a new disk will sit in a different place and can get caught on the old ridges making for a dragging disk. Some splitting is probably needed. Jim

Some splitting....that's like some pregnancy...
I hear you. Kroil seems to be helping. What could be the pilot issue? It was new a hundred hours ago. I am familiar with removing the hams for brake work...that might be the "some splitting" you mean.

Ta,
C

The pilot needs to be lubed when installed. Maybe a half thimble of chassis grease in the hole befor putting the split together. The pilot stub on the clutch shaft needs tpo be polished with 600 grit paper round and round to assuer a smooth surface. This would need a split. The Ham would also need to come apart if you wish to degrease the band, or replace it. Jim

Pilot also might need to be reamed to size.

But Case IH Farmall says no lube....so I did not lube it.

I certainly polished the pilot shaft and checked for a free running fit. Dang!