Front Wheel Drive Hub Clutch Nut Calibration (2wd Nut Location on Dial Screw)?

[CJbyALEX]

Reassembling my front wheel drive locking hubs and, having cleaned and painted them, I removed the clutch, dial screw, clutch nut, spring and the cap that you turn to actuate the whole deal. I think I'm having a problem with the "default" 2wd location of the clutch nut on the dial screw. I tried all the way at the outside end, in the middle, and I'm about to try all the way to the inside, but a quick search showed those part names from the manuals weren't talked about on the forum, so please let us know, when reassembling the front wheel drive hub clutch, where does the clutch nut go on the dial screw?

Thanks!

 

[CJbyALEX]

Ok, put the left one on (at half) and turned it to 4wd and the front differential didn't turn. Turned it back to 2wd. Put the right one on (at inside) and turned it to 4wd and the front differential DID turn. Then I went to the left and turned it back to 4wd and now it turned, but then I turned them both to 2wd and now it turns on 2wd also. Trying to think on how this mechanism works and I'm having a hard time.

 

[Fastatv]

Ok, put the left one on (at half) and turned it to 4wd and the front differential didn't turn. Turned it back to 2wd. Put the right one on (at inside) and turned it to 4wd and the front differential DID turn. Then I went to the left and turned it back to 4wd and now it turned, but then I turned them both to 2wd and now it turns on 2wd also. Trying to think on how this mechanism works and I'm having a hard time.

Heres a few exploded views of a generic locking hub. Hope this may help.
https://www.google.com/search?q=loc...tent.jsp%3FpageId%3D0900c152800526a8;1000;430

 

[Only in a Jeep CJ]

It needs to be assembled in 4WD as there will be less spring pressure (part 4) to overcome when installing the dial (1,2) and cam parts (5, 6, 7, 8) inside the body (3)

Parts 6 and 7 need to be flush at the end and when installed into part 8, IT must line up with the 5 point index on part 6 to match the same 5 point hole under the dial (part 2) when part 2 is in 4WD.

By doing this, you will have the proper travel in the cam parts to allow the dial to reach both positions (2WD and 4WD).
There are many notches in part 7 to align into part 8 to fine tune this relationship.
Trial fit things without the spring and when correct, use a paint pen or marker to place dots in a row on all the parts as they are clocked with the correct alignment. When you restack with the spring, overcoming the tension can make them move.

 

[CJbyALEX]

Outstanding answer. I owe you beer.


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