1959 d17 traction booster problem
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=156978
Printed Date: 03 Sep 2025 at 1:57am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 1959 d17 traction booster problem
Posted By: sstevens1985
Subject: 1959 d17 traction booster problem
Date Posted: 06 Jan 2019 at 4:24pm
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My lift arms only go up under a load, when the tractor is shut off they'll eventually lower. It doesn't matter the position of the traction booster or lift/lower level, same effect. My draw bar spring appears to be compressed an inch or more... I've tried heat and penetrating oil and brute Force and I can't get the spring to budge. Any thoughts? Thanks! 
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Replies:
Posted By: acd17toy
Date Posted: 06 Jan 2019 at 6:46pm
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Make sure that the draw bar spring adjusting linkage is adjusted properly, that determines the amount of pull of draw bar needs to actavate the traction boost system.
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Posted By: sstevens1985
Date Posted: 06 Jan 2019 at 6:49pm
| Any specs for the proper adjustment of the linkage for the traction booster? |
Posted By: acd17toy
Date Posted: 06 Jan 2019 at 7:15pm
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The owners manual tells how to adjust the traction booster system. If you do not have the owners manual get one as it will tell you how to maintane your tractor.
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Posted By: DrAllis
Date Posted: 07 Jan 2019 at 7:23am
| The LIFT/LOWER lever has to be locked in the lower window for the TBoost to be able to lower on its own. If the lower window or lever pin are worn out, that could be your problem. That LIFT/LOWER lever has to be horizontal when using the TBoost system. The snap-coupler coil spring yields under a pull and the linkage triggers the hydraulic pump to lift the arms. If the LIFT/LOWER lever linkage isn't adjusted right or working right, the plow can't go back down on its own. Is your tractor new enough to have the drop speed adjustment screw under the sediment bowl?? Tighten it up if you do. Your pull spring adjustment isn't the problem. Your lowering linkage probably is. |