Classifieds - Help: d12 series 3 Hydrolic issues

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Help: d12 series 3 Hydrolic issues

Printed From: Unofficial Allis
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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=185389
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Topic: Help: d12 series 3 Hydrolic issues

Posted By: allis1221G
Subject: Help: d12 series 3 Hydrolic issues
Date Posted: 28 Dec 2021 at 2:53pm

Ive got a 67 d12 series 3 that im have troubles with. Wondering if anybody has experienced low hydrolic pressure to the 3 pt and rear outlets. At 1600 rpm im only getting 1100 psi of hydrolic pressure at the outlets and 3 pt makeing it difficult to lift implements. Wondering if anybody can lead me in the right direction as to what the problem could be. I have tried adjusting the inlet releif velve on the spool velve with no change and also tried a different hydrolic pump with same resaults. My other series 3 has 1850 psi at an idol so im running out of options. Any help is greatly appreciated thanks

Replies:

Posted By: Joe(TX)
Date Posted: 04 Jan 2022 at 2:40am

Does the PTO run an implement like a mower OK? Any unusual noise in the clutch area?

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1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A