Posted: Thu May 12, 2016 7:15 pm Post subject: Warn M3B locking hubs
Picked up a nice set of older Warn 10 spline locking hubs, M3B marked. I read they are automatic, work sort of like a ratchet. Is there installation instructions anywhere? I see no difference in the 2, but in reading someone mentioned left and right. _________________ 1952 M38
I see two parts (top left) - a slotted washer and a what looks look a nut that you'd install with a pin wrench. Those are separate from the rest of the assembly. I assume you remove the bolts on the standard axle end, remove the dust cap, remove the snap ring, take off the end. Then what? Is there enough threads to put that washer and lock on or do you take off the bearing retainer nut and washer and replace with the new parts. I assume the second. Then I assume there is set screw locks in that ring-like nut (I'll have to clean it good and get out the magnifying glass). Then what, do you somehow remove the very end off the big assembly with the control knob or how do you put he snap ring back on when you have bolted the Warn assembly on? Wish I could see a step by step instructions. _________________ 1952 M38
Joined: Aug 22, 2012 Posts: 18 Location: Québec, P.Q., Canada
Posted: Sat May 14, 2016 7:54 pm Post subject: Automatic hub
I had these hubs on a 1970 CJ-5 and they are very good. The center part that looks like a bearing is a sprag clutch; it will free wheel on 2 wheel drive. They lock automatically when you shift on 4x4 but still free wheel on compression. I had a problem only once on a steep gravel slope; the front axle started to jump up and down and would not pull. I had to stop and lock the hubs. _________________ Gaétan
M-38 CDN CAR 51-30035
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