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Massey Harris & Massey Ferguson Tractors Discussion Forum
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Re: Masseynut Help! 65 pump

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01-24-2013 20:57:35

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Thanks for getting back to me. The tractor is a MF 65D late model. It originally had Multipower, but the valve had been removed. The MP pump was still mounted on the top of the main pump. I removed the MP pump first then tried to get the main pump out. I could not get enough clearance to get the pump out of the case. The pump rear shaft will not clear the pinion shaft. I removed the left side plate but it didn't seem to help.

The bracket that mounts the MP pump to the main pump has bolts that come in from the front and are covered by the large gear that is on the front end of the pump shaft. It looks like the gear takes the place of the coupler that is on the front pump shaft in non-MP tractors. The MP drive gear seems to be the thing that keeps the pump from moving far enough forward to get the shaft to clear.

I hope that this explains a little better what my situation is. Please stay with me on this if you will. I really don't want to have to split the tractor.



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01-24-2013 23:28:56

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 Re: Masseynut Help! 65 pump in reply to RichardR, 01-24-2013 20:57:35  
Ok, that explains it, Richard. You will need to remove that gear from the pumpshaft before being able to remove the mounting plate. There will be a split (cotter) pin retaining the gear to the shaft. It may be difficult to gain access to remove it, but that pin retains the gear to the shaft. It is located between the gear teeth and the mounting plate and fits thru the gear and shaft.
Once the gear is removed, you will be able to slacken and remove the four nuts holding the mounting plate to the pump. Another thought is that if you are not intending to refit the auxillary pump, as the multi-power is inoperative, you may be able to "trim" the plate with a narrow disc, to allow clearance. A little left of field I know, but it may save you having to split the tractor, and provided you wash the housing out thoroughly before reassembly, it could be the way to go. Just a thought, Evan.

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