MW hydraulic pump on a farmall M

Posted by Gerard Reaume on April 10, 2005 at 13:37:35 from (198.111.159.247):

I put an M&W hydraulic pump on my 1941 farmall M. It works great. I am using my existing belly pump hydraulic reservoir as the oil storage unit for the M&W pump. With live hydraulic power, do I need to put a vented cap on the oil fill opening, or must I keep it sealed off? The reason I am asking is because I intentionaly left the oil cap off with the engine running to see what would happen. As soon as the oil pump worms up it starts bubbling out of the opening. If I seal it up will it build up preasure and cause other problems? I sure need advice on this one. Can anyone help?

Follow Ups:

• Re: MW hydraulic pump on a farmall M RustyFarmall 13:41:40 04/10/05 (3)
  • Re: MW hydraulic pump on a farmall M Gewrard Reaume 13:53:50 04/10/05 (2)
    • Re: MW hydraulic pump on a farmall M RustyFarmall 14:14:21 04/10/05 (1)
      • Re: MW hydraulic pump on a farmall M Ken K. 21:25:11 04/10/05 (0)

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