D15 II lift trouble? Need help!
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=154190
Printed Date: 25 Aug 2025 at 3:45pm
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Topic: D15 II lift trouble? Need help!
Posted By: Tracy Martin TN
Subject: D15 II lift trouble? Need help!
Date Posted: 22 Sep 2018 at 11:48am
One of my D15II's is giving trouble. Tried to disc with SC disc this morning, used it awhile. Decided to switch to wheel disc to cut better. Noticed at fir it dropped funny. Then while pulling it would slowly raise. Got to where it wouldn't drop. I can hear the pump running, doesn't seem to stop. Screwed the drop adjustment in and out , no change. What could be causing this. This is same tractor that I had trouble keeping plow in ground last couple of years.Any help appreciated. Thanks Tracy
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No greater gift than healthy grandkids!
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Replies:
Posted By: DrAllis
Date Posted: 22 Sep 2018 at 3:26pm
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Loosen the drawbar clamp bolts and let it slide in and out. The Traction Booster lever has to be 100% down/horizontal. Screw the drop speed screw 100% clockwise and lock your lift/lower lever in the bottom window. Last resort would be move both nuts forward on the snap-coupler spring sensing rod. Takes a 3/4" wrench and moving them forward a couple of full turns should make some difference.
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Posted By: Tracy Martin TN
Date Posted: 22 Sep 2018 at 5:25pm
Dr Allis, I will give that a try. Thanks Tracy
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No greater gift than healthy grandkids!
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Posted By: DrAllis
Date Posted: 22 Sep 2018 at 7:42pm
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That Lift/lower lever better lock into the lower window !!! The lever has to be horizontal or lower than horizontal to let the hold valve open and stay open.
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Posted By: Tracy Martin TN
Date Posted: 23 Sep 2018 at 7:30pm
Dr Allis, loosened the drawbar bolts and it let the lift arms go down. Raised and lowered several times. Thanks Tracy
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No greater gift than healthy grandkids!
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