Farm Equipment - hyd pump ?

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hyd 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=30725
Printed Date: 06 Mar 2025 at 6:49pm
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Topic: hyd pump ?

Posted By: landpainter
Subject: hyd pump ?
Date Posted: 14 May 2011 at 7:07pm

HI,Just put a hyd pump on tractor-old pump 1000psi replacement 3200psi the problem now is I cant get pressure to release.Any ideas or suggestions ?

Replies:

Posted By: Tedin NE-OH
Date Posted: 14 May 2011 at 8:24pm

Tell us more, what tractor are you working on.

Posted By: CTuckerNWIL
Date Posted: 14 May 2011 at 8:43pm

Linkage may be out of adjustment and not operating valves correctly. Tracto model would help figure out what could be wrong.

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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF

Posted By: landpainter
Date Posted: 14 May 2011 at 10:01pm

Hi,Tractor is a WD45-I took linkage off and move control valve back and forth no change

Posted By: DennisA (IL)
Date Posted: 15 May 2011 at 8:04am

With the hydrualic lever in the down position can you still hear the pump running?

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Thanks & God Bless

Dennis

Posted By: landpainter
Date Posted: 15 May 2011 at 9:59am

Yes,with the lever down I can hear the pump working yet

Posted By: DennisA (IL)
Date Posted: 15 May 2011 at 8:42pm

That would lead me to the draw bar control. The linkage gets worn and that acts as if the traction booster has been engaged.

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Thanks & God Bless

Dennis

Posted By: landpainter
Date Posted: 16 May 2011 at 6:18am

Thanks,Iwill check that out

Posted By: MACK
Date Posted: 16 May 2011 at 8:29am

Spool valve stuck or linkage worn out inside pump. Screw thum screw in on front of pump. Should stop pumping. Back screw out with lever down and pump should not pump until lift lever is raised. MACK