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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=190837
Printed Date: 01 Dec 2022 at 8:45am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: 200 hydraulic pump.
Posted By: clarkscreek
Subject: 200 hydraulic pump.
Date Posted: 22 Sep 2022 at 5:35pm
Was subsoiling some ground when I started getting sprayed with hydraulic oil. Shut tractor off to check and found the rear housing of the hydraulic pump cracked. All functions are working perfectly before and after. Is this a common problem or is something deeper going on? Also can I get just the rear section?



Replies:
Posted By: Mikez
Date Posted: 22 Sep 2022 at 7:32pm
What’s the sr number


Posted By: clarkscreek
Date Posted: 22 Sep 2022 at 7:42pm
8818


Posted By: Albert
Date Posted: 22 Sep 2022 at 9:19pm
I have a used pump that I would check out and if it is a good pump I would rebuild and sell. If pump is not a rebuilder I would sell the rear housing providing it was good. Please call after 5PM  or text anytime Albert  660 541 2029


Posted By: SteveM C/IL
Date Posted: 23 Sep 2022 at 8:35am
Be sure to check relief pressure before busting another hsg. Only thing I know that would crack hsg.


Posted By: clarkscreek
Date Posted: 23 Sep 2022 at 8:43am
So after taking the pump off I found where the previous owner had jb welded along the crack on the back side. This cracked extends from the secondary to primary ports. Only pressure I have ever checked on tractor was remote pressure, and that's only because my trail mower uses hydraulic pressure to float the cutter bar. That pressure was right at 1950 to 2000. When I get it back together how do I go about checking and adjusting relief pressure?


Posted By: DrAllis
Date Posted: 23 Sep 2022 at 9:30am
This trail mower requires you to lock-in a remote lever and maintain a constant 2,000 psi of pressure to it ?? That won't work on a 200.


Posted By: clarkscreek
Date Posted: 23 Sep 2022 at 9:56am
No that's just to charge system on mower. After that while your running its just up down like normal.



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