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willysmjeeps.com :: View topic - Fan & Generator Dive pulley nut?
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Fan & Generator Dive pulley nut?

 
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DFoley
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Joined: May 05, 2005
Posts: 104
Location: Del Rio, Texas

PostPosted: Sun Sep 15, 2019 3:38 pm    Post subject: Fan & Generator Dive pulley nut? Reply with quote

The nut that holds on the Fan & Generator Drive Pulley has spun off my Jeep, so obviously I need a replacement. I have searched multiple manuals/publications but can find no reference to this nuts size. Can somebody help? A pick of the nut in question is in the attacked figure.

https://drive.google.com/file/d/1dWQ1UtowFSNTeeAC5giAsXYfPkxJ2F5p/view?usp=drivesdk

Thanks,
-Dan
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Dan
1951 M38
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rgmutchler
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Joined: Sep 28, 2008
Posts: 218
Location: Caldwell, Texas

PostPosted: Sun Sep 15, 2019 4:03 pm    Post subject: Reply with quote

In the Ord 9 on page 27 under crankshaft 0102.1
it lists
PULLEY, drive, fan and generator (double ďVĒ)..~ .._.....
KEY, WOODRUFF, alloy-S, 3/(6x % (No. 606 or 9) .._
NUT, hex, S, 1 1/16

I think this is what you are looking for.
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R G Mutchler
M274A5
M-38 MC13312
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DFoley
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Joined: May 05, 2005
Posts: 104
Location: Del Rio, Texas

PostPosted: Sun Sep 15, 2019 4:10 pm    Post subject: Reply with quote

Thatís it!
Donít know how I missed it. I scanned the ORD 9 for hours looking for it.
Thanks,
-Dan
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1951 M38
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Jeff_Lee
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Joined: Jan 27, 2014
Posts: 124
Location: West Palm Beach FL area

PostPosted: Mon Sep 16, 2019 1:07 pm    Post subject: Reply with quote

These are readily available from a number of suppliers. I may be wrong on this but I believe they are the same as the Civvie nut. (well, at least it is on my M38, ha!).
It is NOT a standard nut, as it has a special collar on it that faces the pulley, so don't just use any nut.

Can somebody confirm that?

Jeff
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1954 M-100 Trailer USMC Dunbar Kapple s/n M-750759 DoD 1-54
1947 Willys CJ2A - Harvest Green
1954 Ford F-100 Parts chaser - blueprinted Y-Block
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Jeff_Lee
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Joined: Jan 27, 2014
Posts: 124
Location: West Palm Beach FL area

PostPosted: Mon Sep 16, 2019 1:10 pm    Post subject: Reply with quote

Here is an example off of Flea-Bay from RFJP:

WWII Willys Jeep MB CJ2a CJ3 L-134 and F-134 638513 Engine Crankshaft Nut G503 https://ebay.us/78wKYi
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1951 M38 restoration project - Flightline Jeep MC 23923 DoD 6-51
1954 M-100 Trailer USMC Dunbar Kapple s/n M-750759 DoD 1-54
1947 Willys CJ2A - Harvest Green
1954 Ford F-100 Parts chaser - blueprinted Y-Block
Southeast Florida
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