Farmall Fan Hub Spindle

Farmall Super A, AV, 100, 130, & 140 1939 - 1973

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Stanton
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Farmall Fan Hub Spindle

Postby Stanton » Sun Dec 22, 2019 10:01 am

This is a general enough question to break it out into its own thread.

While I was putting my disassembled fan hub back together, I noticed three grooves in the spindle with a single corresponding groove in the hub casting:
DSCN2386.JPG
Farmall A Spindle and Cast Hub


Looked at the Cub spindle and saw it had three grooves as well:
CUB Fan Reassembly for REFERENCE.jpg
Farmall CUB Spindle


Question: Is there supposed to be an O-ring in one of the spindle grooves that correspond to the single groove in the casting?

The Parts Book for both the Farmall A and the Cub do not show one, so I'm thinking it's not required. But just want to be sure before I reassemble.
InkedParts Book Fan Hub_LI.jpg

What are your thoughts and experience with this?
Stanton
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Dale Finch
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Re: Farmall Fan Hub Spindle

Postby Dale Finch » Sun Dec 22, 2019 12:04 pm

Hmmm, it would certainly make sense, because in my experience, those fans do tend to leak oil out the rear.

Jim Becker
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Re: Farmall Fan Hub Spindle

Postby Jim Becker » Sun Dec 22, 2019 12:49 pm

Stanton wrote:. . . Is there supposed to be an O-ring in one of the spindle grooves that correspond to the single groove in the casting? . . .

No.


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