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The Church of Cutting Brakes of Atlas-Front Digs
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Measure Once, Cut Twice: A Story of Excitement and Impatience
- Thread starter taylormade73
- Start date
Not grease but a good soaking in gear lube. Which could have been present long ago.
OP
Once we pulled the race, I found some raised burrs on the outer race seating surface. I can def feel with my finger. Possibly the race did not seat fully on original install?
OP
OP
We are. We are working on it right now. It's 9:45 our time. Have the races in and we're setting pinion preload.Good to hear. The clock is ticking, keep working
OP
That damn Outer pinion bearing race was a b**** to get out.Good to hear. The clock is ticking, keep working
OP
Got her all put back together. Pinion preload is 23 inch pounds and backlash is .009. All we really had to change was the outer shim stack on the pinion for the preload.
OP
Didn't feel quick LOL. Getting the old races out and the new races in was the toughest part. We tried to use the original shim stacks for the pinion, but it was way too much preload.
OP
Interesting, Currie uses a spacer to run a larger outer pinion bearing than comes on a Dana 60, which is why I had the buy another Timken HM 803146 in addition to the Dana 60 rebuild kit. (Standard Dana 60 uses a smaller outer bearing than the inner.) The outer bearing gets pressed into the spacer. The shim stack gets placed in between the spacer and the notch/step up on the pinion shaft. The shim stack thickness moves the outer bearing in or out, with respect to the inner, allowing you to adjust preload.
Aside from being restricted by whatever combination of shims you got in the kit or you have on hand, setting the preload was relatively easy. Once you have the right shim stack, pinion nut gets torqued to 240 ft lbs.
Just curious others thoughts on Currie's use of the larger inner bearing for the outer bearing. Is this necessary? Is the smaller outer Dana 60 bearing a weak point? Or is it a solution to a problem that doesn't exist? It certainly made finding a rebuild kit a little tougher. I'm assuming that there aren't a bunch of Dana 60's running around with prematurely failed/failing outer bearings.
Aside from being restricted by whatever combination of shims you got in the kit or you have on hand, setting the preload was relatively easy. Once you have the right shim stack, pinion nut gets torqued to 240 ft lbs.
Just curious others thoughts on Currie's use of the larger inner bearing for the outer bearing. Is this necessary? Is the smaller outer Dana 60 bearing a weak point? Or is it a solution to a problem that doesn't exist? It certainly made finding a rebuild kit a little tougher. I'm assuming that there aren't a bunch of Dana 60's running around with prematurely failed/failing outer bearings.
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the larger cones gives more surface contact across the rollers? even loading of an equal diameter?
with all the abuse they expect people to toss at um, are they just maximizing the chance of survival?
do they run a smaller bearing on the outside of a large wheel hub?
a smaller bearing on 1 side would have some kind of triangular loading where an equal diameter is a parallel loading.
is that even a thing?
with all the abuse they expect people to toss at um, are they just maximizing the chance of survival?
do they run a smaller bearing on the outside of a large wheel hub?
a smaller bearing on 1 side would have some kind of triangular loading where an equal diameter is a parallel loading.
is that even a thing?
OP
Perhaps, this is to address the weakness of the high pinion design used on the rear axles?
Hub on front or rear axle?
Likely done that way to allow them to put the Super 60 gears in the same housing.
OP
Ah, streamlining production to be able to use same parts over various set ups. Makes sense.
OP
Took the opportunity with the axle out to do some cleaning and touch up. May even paint it to match the front axle. Just primer right now.
OP
Was also going to do the caliper flip while I had the axles out and backing plates off. That is, until I realized I welded my AR axle tabs right in the fucking way. Went back and looked and some of Blaine's photos and realize he mounts the tabs almost facing up to avoid caliper interference when moving the calipers to the front of the axle.
OP