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Steering Knuckle Seals

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sean View Drop Down
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    Posted: 28 Dec. 2006 at 10:03am
Original style steering knuckle seals.

    

The manuals (3 of them) are confusing and contradictory as to part numbers, thus the "?".

A-814 :  CONTAINER, steering knuckle oil seal (half)

     The same part is used upper and lower on the knuckle.  Each half is 2-pieces which mate together via dowels pins.  They are cast pot-metal.

A-818 :  STRIP, oil seal pressure

     A hard rubber strip, scalloped on one side.

A-819 : OIL SEAL, steering knuckle, half (felt) <- from MB parts list
       .... or
640144 : OIL SEAL, steering knuckle, half (cork) <- from CJ2A parts list

MB & GPW (shown here) used felt seals, which were changed to cork on the 2A.  This is a very dense, hard felt, and it's impregnated with something, but I don't know what.

The pressure strip fits inside the groove of the container.  The strip is upside down in these photos, the smooth side should face the felt seal, the scalloped side should face the metal casting..

    

then the felt/cork seal itself goes in over that

     

Inner and outer views

    

Sean






Edited by sean - 10 May 2007 at 6:45am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sean Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2007 at 6:56am
Later (3rd. generation) seals.  These were an NOS set, still coated in cosmoline.  Don't know exactly when these were phased in, but it was after CJ2A production, and prior to 1961.

WO part #805432 - Knuckle seal assembly (1/2)  - requires 2 per axle, consists of A-814 container, 800068 spring and 805428 rubber seal.

    

There is a paper gasket between the 2 pieces making up A-814 container.  None of these pieces is listed separately.  The dowel pins holding the pieces together are swaged, so they will not come apart unless you grind off the top of the dowel pin swage.

I have plated these pieces.  They were originally plain grey pot metal just like the originals in the first photos.

Sean

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Post Options Post Options   Thanks (0) Thanks(0)   Quote sean Quote  Post ReplyReply Direct Link To This Post Posted: 04 June 2007 at 6:34pm
Found this unused set of new style, still in the Willys package:

        

Sales receipt is dated 2-3-58.  Cost $3.25.

The felt gasket is twice as thick (or more) than current repros.


Edited by sean - 04 June 2007 at 6:35pm
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