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John Deere Tractors Discussion Forum
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Re: 1942 JD Model B Oil Pump Drive Coupler

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Mike M

03-19-2013 12:15:33

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First make sure that it is not left over parts from a previous repair.

If yours is indeed broken off right now then you will need to get a coupling and then drop the outer cover and shaft down to install it.Get a new gasket from Deere. I perfer a good used old style couplings so they can snap if ever needed to in the future. The replacements are heavy duty and likely won't give before the gears or shaft.

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Brandon K.

03-19-2013 17:24:45

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 Re: 1942 JD Model B Oil Pump Drive Coupler in reply to Mike M, 03-19-2013 12:15:33  
Can some one give me some pointers on removing th oil pump and changing the drive coupler. I understand the cupler goes onto the pump shaft but what does the other side go on to? What drives the pump shaft? Thanks

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03-19-2013 19:03:10

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 Re: 1942 JD Model B Oil Pump Drive Coupler in reply to Brandon K., 03-19-2013 17:24:45  
The other end of the coupler goes into the worm drive on the camshaft. You may need a helper to guide the assembly together. Ron Mn.

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