M&W 201PX inlet outlet?

getjonesed · Dec 22, 2016

first tractor on my small acreage in South Dakota. 1947 Farmall M. When I bought it the guy had a M&W live power pump in a box (used) 201PX serial number 3HCS4-8R I've got the pump on the tractor now and it will be running a Dual loader. The loader has a hydraulic fluid reservoir. My question is which line goes where? on the pump (top mounted pipe thread ports) it is stamped PR and TK. I assumed the TK port went to my inlet on my loader (before the levers) and PR went to the bottom of the loader reservoir (suction?) Thanks in advance for your help.

Side note, not so sure I got the timing right after putting the pump on as well, runs rough. What's the trick to getting it correct?

Janicholson · Dec 22, 2016

I think the PR means pressure output. and TK means tank. Pr to open center type valve system, and Suction from the
reservoir to TK. Be sure it has a pressure limiter on it to assure you don't cause the cam gear to fail. If your M is
1950 and 1/2 or newer, it will have a good gear in it. Jim

getjonesed · Dec 23, 2016

(quoted from post at 20:28:02 12/22/16) I think the PR means pressure output. and TK means tank. Pr to open center type valve system, and Suction from the
reservoir to TK. Be sure it has a pressure limiter on it to assure you don't cause the cam gear to fail. If your M is
1950 and 1/2 or newer, it will have a good gear in it. Jim

Pressure limiiter? Like a pressure valve on plumbing with a psi gauge in line? How many psi should i run and which side do I put the limiter on? I do believe I was I told the tractor is a 1947.

M&W 201PX inlet outlet?

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