I agree with you, seems a shame to have to add a pump when you have one already on there and functioning. But I know nothing about your tractor.
One thing you need to know is whether the existing pump/circuit can be tapped so the steering valve has priority ahead of whatever other hydraulic functions the tractor has.
Many modern tractors with simple hydraulic systems have a separate section of the hydraulic pump dedicated to steering. This may be because the main section is too big for the steering valve to give proper response, but it does take care of the priority.
The power steering is after market. Today I loosened the front of the parts tractor and mover it forward an inch. The pulley was pinned on to the end of the crank with the pin used to crank it. The added pulley butts up to the fan belt pulley and is held tight by a tapered boss cast into the pulley. I started to put the new to me ps parts onto my Super M. If I remember I will get some pictures. What I am looking for are pictures of an early Super M plumbing from the pump to the valve. The person I bought this tractor from bypassed the factory setup completely and mounted a hydraulic tank on the side of the frame and mounted a single spool valve on the steering column support. It works well but looks like he--.
Thanks
Chuck C
if you only have one pulley on the crank you can use a lawn mower belt and a jockey pulley to drive a extra pulley but you have to use a lawn mower deck type belt they are designed to bend both ways and bend really sharp as well
Paul
I mounted the parts today, steering shaft with hydraulic motor but when I went to mount the pump the fan hits the belt. I talked to a Farmall guy to day and he gave me some ideas how to move the fan away from the belt. The water pump is driven by what IH calls the water pump drive. the pulley on the water pump is not bolted to the hub but drives thru a t shaped spring loaded bar that is pinned to the water pump shaft. Because of that you can't just put a spacer behind it. I have some ideas and will let you if it works.
Thanks
Chuck C
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