Farm Equipment - 200 hydraulic pump?

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200 hydraulic pump?

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=150591
Printed Date: 24 Jul 2025 at 6:48pm
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Topic: 200 hydraulic pump?

Posted By: acplowboy45
Subject: 200 hydraulic pump?
Date Posted: 18 May 2018 at 8:29pm

Ok I have completely rebuilt my pump new Orings,wear plates, new filter and fluids and then on top of that had to replace the oil cooler out front. Question is why is my power steering so hard to turn for and why is my pump getting really HOT!!! Now to answer and ? Yes I took the spool out and polished it really good.

Replies:

Posted By: MACK
Date Posted: 18 May 2018 at 9:53pm

Did you get the seals pushed down in groves good? Did it turn free after assembly? Did you torque the bolts even as you went around? Does it get hot without hydraulic load? Did the steering work good before the rebuild? Why did you rebuild the pump? MACK

Posted By: acplowboy45
Date Posted: 19 May 2018 at 4:40am

We rebuilt the pump because I lost all hydraulics while dicsing NO steering, no 3 arms would lift., That found blue Teflon in spool spring while I was cleaning it. Yes it gets hot when it not even under a load. Yes all seals we're correctly put in right and too it turn freely. Also we torqued all bolts evenly.

Posted By: Amos
Date Posted: 19 May 2018 at 8:31am

Check to see if you have those blue pieces in you relief valve too.

Posted By: acplowboy45
Date Posted: 19 May 2018 at 11:55am

Is the releif valve inside the pump or behind one of those caps on the back side of the pump.