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CA hyd pump repair

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=116900
Printed Date: 24 Jul 2025 at 12:10pm
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Topic: CA hyd pump repair
Posted By: tractorboy
Subject: CA hyd pump repair
Date Posted: 31 Dec 2015 at 3:09pm
Got the pump apart on my ca, the sleeves/valves were sticking. Can someone tell me about the control rod shaft? The control rod/ spring came out with the control assembly, but there's something else in there. Is this supposed to be driven out? This is opposite the control valve side. I have a manual but still confused, any help appreciated, pics would be great. Thanks , keith.



Replies:
Posted By: MrHDC
Date Posted: 31 Dec 2015 at 3:30pm
Take a look at a previous post from 2 Apr 2011. It's titled "CA Hydraulic Pump" and it has some really nice pictures posted by wkpoor that should help.

Hervey


Posted By: tractorboy
Date Posted: 31 Dec 2015 at 3:34pm
 i can't make it come up


Posted By: Ted J
Date Posted: 31 Dec 2015 at 8:29pm
Here ya go Keith.....

http://www.allischalmers.com/forum/forum_posts.asp?TID=28404&title=ca-hydraulic-pump" rel="nofollow - http://www.allischalmers.com/forum/forum_posts.asp?TID=28404&title=ca-hydraulic-pump


-------------
"Allis-Express"
19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17


Posted By: tractorboy
Date Posted: 31 Dec 2015 at 11:58pm
thanks ted, the pictures help a lot. the bore with the single big unloading valve in it is stuck, tractor sat for 25yrs. I guess it's ok to drive this valve out??? thanks, keith



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