Construction and other equipment - HD9B steering brake plug

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HD9B steering brake plug

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=93350
Printed Date: 31 Oct 2025 at 7:09am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HD9B steering brake plug

Posted By: TooManyToys
Subject: HD9B steering brake plug
Date Posted: 05 Aug 2014 at 6:06am

Hi guys, new member.

It looks like I shucked a steering brake lining on my 9B that I only use every few years, pedal to the metal! I have been trying to get out the access plugs from the case to pull the retention pin but they won't move using a 3/4" breaker bar or IR 3/4" impact gun. Applied some penetrating oil to no avail. Any suggestions?

Jack

Replies:

Posted By: Coke-in-MN
Date Posted: 05 Aug 2014 at 9:22am

Heat - red hot heat can be your friend - not a propane torch but oxy-acy heat.

OR drill and chisel - drill out to close to thread size and remove last with chisel

Also check the adjusting nut on the brake band - had them strip out so they would not hold adjustment - next thing pedal to the metal like you say . Work great for a while and then hit brake hard and the threads would skip a few and brake fail

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Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.

Posted By: DiyDave
Date Posted: 05 Aug 2014 at 6:43pm

Heat plug red hot, and let it cool to about 300 degrees. then apply a beeswax candle to the threads. then try tightening the plug, just a little. if you get it to move just a little, you have it beat.

Posted By: TooManyToys
Date Posted: 05 Aug 2014 at 10:25pm

Thanks guys. First I'll check the adjusting nut. For a torch the best I have is a mapp. I was thinking about drilling , cutting a section out with an air saw, then collapsing the plug. We'll see how this goes in a few days.

Thanks again. Jack