When I did mine, I think I was using a Universal Jeep Manual. And set the the shims for around 8lbs at movement. That was before I learned there were forums for restoring military jeeps.
It steers very good. The only play is in the steering cam. _________________ Tropical Veteran
35th Inf. Reg. "CACTI" 4th I.D. VN
Amateur Radio K5XOM
Joined: Jan 07, 2011 Posts: 63 Location: Idaho Falls, ID
Posted: Fri Apr 22, 2011 9:42 am Post subject:
Well, I removed all the shims, and the pull force is only 8.3 lbs, identical on both sides. This is clearly within the original spec of 6-9, but not the revised spec of 12-16. To get that, I'd need to put in those circular valve shims.
Something just seems odd here, as I'd expect to have at least some shims on the top. The fact that both sides are identical also is interesting, considering the castings are different left and right. I've confirmed the (new) bearings are correct.
Also, changes to specs always intrigue me. Dad (RimfireJim) and I thought it through last night, and we figured out that increasing the preload makes it less likely the top cone will lift out of the cup (and then slam back into it) if the wheel hits a hard bump. So, the higher spec would seem more desirable, but I'm wondering how likely that situation would be. _________________ 1952 M38 - restoration in process, 1000 miles away...
Actually if you look at the source of thge two specs you should understand why the higher spec is more likely the correct spec to use. The lower spec comes from a military manual that went out od publication in 55 and the higher spec comes from the cilvilian manual which was revised thru 1965. don't forget that the civilian spec also allows the use of washers to help with meet the high spec. The steeringt and suspension
had no significant changes withy the M38, 3A and 3B and it is obvious the factory and it's dealer service network had a lot of experience to fall back on when revicing their manual for the next 10 years. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
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