C-6 front planet burn-ups

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Post  J.Toney on April 15th 2013, 10:42 pm

I've gone through a couple of these now. 4R100 steel 6-pin, seems to be flat out overheating. After the last one, I opened up the oil holes around the planet hub and cup plug in the output shaft. Seems the same. This was in a truck pull situation 7500rpm, 2nd gear, low range. Has anyone else had to deal with this issue, or am I just missing something obvious? I may try to get more oil back there, but I don't think I want to restrict any to other parts.
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Post  Frank Merkl on May 2nd 2013, 7:47 pm

check your cooler flow ! sounds like the check ball is stuck in the stator support
Frank
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Post  J.Toney on May 30th 2013, 12:05 pm

The check ball and spring didn't seem seized, but I removed them anyway, I'll pull it apart at the end of season and inspect. If it lasts that long! Shocked
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Post  Frank Merkl on June 5th 2013, 1:43 pm

did you bother checking cooler flow ? and how did you remove the spring and check ball with out taking the trans apart?
Frank
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Post  J.Toney on June 9th 2013, 11:23 pm

Frank Merkl wrote:did you bother checking cooler flow ? and how did you remove the spring and check ball with out taking the trans apart?
Frank
I never said it wasn't apart, how would I replace the planet otherwise? As far as the coolers are concerned, I didn't verify an amount/time deal, but did check for blockage and running flow. I am confident the cooler and lines are sufficient and free of restrictions. And if not, I'll know at the end of the year, when I take it apart. Thanks for the input, it was helpful.
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Post  J.Toney on June 9th 2013, 11:28 pm

There were no other wear signs/issues other than this part. Even the planet front that centers in the fwd ring/hub was free of wear, just the pinions and axles.
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