clutch repair

1946 BN IHC · Nov 4, 2022

Well Just spent from 10:00A.M.to 4:45 minus lunch to separate, replace the through out bearing, the pilot bushing. The bearing had separated into 3 pieces and the pilot bearing went egg shaped. No wonder the clutch wasn't working properly [ sticking] This was on an IHC Farmal BN with narrow front wheels.
Has any one ever had a through out bearing separate into 3 pieces and still work some what? My friend and I had never seen this before.
Wm.

Janicholson · Nov 4, 2022

Not Me. In three pieces (or very many more) those I have seen did not function at all, and made horrible noise. Jim

RogerinIowa · Nov 4, 2022

How are the clutch fingers?
Would be a good time to replace clutch disk and pressure plate. Not that expensive.

1946 BN IHC · Nov 5, 2022

Fingers and setting bolts on fingers were all in good shape, even the plate was in good full usable shape. The unexplainable fact is that the clutch had only 130 to 150 hours on it since we had put the tractor back together from parts that had sat for over 20 years. The fly wheel had even been resurfaced in the process of reassembly at the same time and it is good as well clean. Even the bearing and bushing were new at that time.
My thought is maybe it was a sub standard clutch bearing, don't know, since it came apart [front plate, back plate, ball race, bearing still in position yet all separated]
Wm.

MKinON · Nov 5, 2022

Maybe it was running dry, without grease. Just went through that with one of the trucks where I work part-time. Only standard in the fleet. No-one realized it should be greased weekly, but all wondered why it went again only a year after replacement!

Janicholson · Nov 5, 2022

Quite often the rear most component includes a cup shaped sheet metal cover that is crimped around the front race creating an assembly. if the crimp was improperly formed, and didn't close properly on the race, it could come apart easily. Jim
an example

1946 BN IHC · Nov 5, 2022

could well have been poor construction and light on internal grease. It looked dry [ish] on the inside parts when we took it out. greasing only works on the slide part of release as I see it [? how would grease get into the inside, when the bearing is made closed?] yes there is a grease fitting on the slide part of the housing, and it works.
Wm.

Janicholson · Nov 5, 2022

I was told by my professos in auto school that bearings may need to be submerged in heated grease to assure its life. Jim

oldwrencher · Nov 5, 2022

I had a throwout bearing come apart as you describe several years ago in a white american 60. It would still release sometimes and the clutch was still a long way from worn out. I had not had the tractor very long and apparently someone had kept their foot on the pedal some.

clutch repair

1946 BN IHC

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Janicholson

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RogerinIowa

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1946 BN IHC

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MKinON

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Janicholson

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1946 BN IHC

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oldwrencher

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