180 AC power lift arms
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=163584
Printed Date: 22 Oct 2025 at 2:03pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 180 AC power lift arms
Posted By: D21GRF
Subject: 180 AC power lift arms
Date Posted: 12 Aug 2019 at 2:45pm
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Power lift arms in up position and can’t get them to lower even with tractor shut off..it is a 3 point hitch...any help appreciated
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Replies:
Posted By: Joe(TX)
Date Posted: 12 Aug 2019 at 4:20pm
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Check the position control linkage to see if it is in the correct position and the linkage is free. The plunger on the spool is spring loaded and operated by a cam lever, If every thing is ok there, you may have a stuck lift cylinder. I had that problem on my 180. You can check by disconnecting the hose on one side to see if will go down.
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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
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Posted By: D21GRF
Date Posted: 12 Aug 2019 at 8:52pm
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Thanks Joe, I’ll check those tomorrow.
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Posted By: DSeries4
Date Posted: 12 Aug 2019 at 8:58pm
There are 3 pivots in the linkage that are notorious for rusting and seizing up. Even if one of these are seized it will affect things. Don't move the handles, oil each pivot point and make sure each one moves easily - you may have to disconnect some of the linkage to do this. If all of them move freely and your hydraulics do not lower, the valve is probably stuck. It can be freed up easily by working it out with a pair of vice grips. Been there and done this many times.
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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Posted By: D21GRF
Date Posted: 14 Aug 2019 at 9:12pm
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Found my problem ...had linkage froze up ...thanks for your help
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