Re: 450 ta

Posted by Joe Evans on July 06, 2007 at 07:23:20 from (208.68.185.189):

In Reply to: 450 ta posted by howard junkin on July 06, 2007 at 06:16:19:

Yes, get a manual. Actually the manual (I&T) was of more value to me for the clutch linkage adjustment that will be necessary after the TA work than actually determining if our 460's TA needed rebuilt or replacing.

We just got done with our 460's ailing TA. I was going to put in a rebuilt unit, but after examining the unit, all it really needed was a rebuild kit which contained the ramp(s), rollers, springs and gasket set. I think this ended us costing about $234. Compare that to a rebuilt unit's cost plus gasket set.

The reason for thinking about an entire unit? Since The Old Man put new rollers in this TA some 11 years ago and his efforts failed miserably within a short period of time, I was convinced the ramp surface was gone not allowing the rollers to grip. After examining the TA on the bench we found the rollers were wasted and the ramp surfaces were a little suspect. The kit we got takes care of both of these items. The remainder of the TA--the axles. planetaries and bearings looked marvelous considering the unit's age. We also don't make a living with the 460; it MIGHT see 50 to 60 hours per year, so the lower-priced avenue is what we took.

Oh, we discovered that two oil galleries were not indexed together when Dad put this thing back together. There was evidence of lube starvation on the rollers. Some were discolored. All but three looked like someone held them to a grinding wheel with wonderfully large flat spots on them. This = no grip action on the ramps. In other words, pay attention during disassembly.

Follow the adjustment procedures to the letter and don't finagle anything. The manual is very clear on the steps to take.

Have fun! We sure did!

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