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Farmall & IHC Tractors Discussion Board |
Re: transmission noise
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Posted by Janicholson on December 18, 2005 at 13:10:40 from (66.173.50.161):
In Reply to: transmission noise posted by sven on December 18, 2005 at 12:58:42:
Yes!!
The shimming of the ring and pinion is not a task to attempt without measuring tools and some knowledge/experience.
spiral bevel gears depend on two specific adjustments. One is ring gear backlash, the other is depth of engagement.
Backlash and engagement both contribute to tooth pressure patterns.
I do not know the specifications, but the books do.
The pressure pattern is the key to low noise and long life.
It is checked by using marking die on the ring gear teeth in three places. Then putting the system under load by applying the brakes moderately while turning the pinion past these markers. The wipe pattern should be centered in the flank of the teeth and nice and wide.
If a good text is reviewed for the looks of this wipe pattern, success will be yours.
Do not operate this tractor. Its ring and pinion will be destroyed. Good luck.
JimN
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