Re: Re: Re: SMTA hydraulic pump problems

Posted by boog on March 13, 2002 at 22:54:46 from (66.73.129.134):

In Reply to: Re: Re: SMTA hydraulic pump problems posted by Steven@nd on March 13, 2002 at 07:24:35:

We may be on to something. After reading the different posts I went back out to the shed tonight and did a little tinkering.

I tried working the different hyd control levers (Lift-all & flow control 2way) while turning the wheel. Here's what I found

1. Pull back Lift-all control - no power steering
2. Pull back flow control - no p.s.
3. Pull back both levers - got p.s.

Farmalldan, appears you are correct about the priority vale. I know Force America offers one made by Greshen, approx. $165.00. Befor adding the p.s unit I had discussed this with CIH service manager and a tractor restorer. Both had said that as long as I wasn't using both at same time that I wouldn't need it. Obviously they were wrong. Growing up we had a '54 SM with live hyd. Having seen tractors with the priority valve installed, I do not remenber the ole Super having one. Would there be a differience between it and the SMTA as far as hydraulics are concerned?

Tom, you stated your SMTA has a seperate pump for p.s.. Since the SMTA's did not have a belly pump, am I correct in thinking that yours has 2 pumps behind the distributer? If so, are you picking the feed for the p.s. pump from the feed for the live hyd pump?

The guy I bought my p.s. unit from took it off a '39 M that he was restoring to original. He threw in the pump he had and I had considered installing it in that manner but was hesitant. What do you guys think?

Steven, I also use HyTran in everything that I have that uses hydraulic oil, including the wet kit on our semi.

Being the older IH tractors do not have a hyd. filtering system I added an hydaulic filter on the pressure side of the pump.

Thanks for all the help so far. I'll keep you posted as to how things turn out.

boog

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