Re: Early 560's what was the rear end problem?

Posted by gab on January 27, 2006 at 17:37:29 from (12.148.204.49):

In Reply to: Early 560's what was the rear end problem? posted by Ronald on January 26, 2006 at 19:11:36:

I found my serv. bulletin #s-9957 Dec.21,1959. It's eight pages and states revised diff. bevel gears, heavier diff. case,tapered bearings,bull pinion,brake shaft, cage & brg. displacing parts prev, specified .Also improved bull gear profile, pinion teeth & side gear teeth to improve lubrication. New bull gears and pinions with 25 degree teeth replacing 20 deg. teeth.
There's a bunch of part no. here but no axle brgs. It says to remove and clean axle brgs so this is probably one of the first in a series serv bulletins.
This came in about a foot tall stack of blue ribbon serv manuals I bought at an auction for 9 bucks, some don't look like they were ever opened. Jim

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