653 steering issues
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=167774
Printed Date: 23 May 2024 at 11:26am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 653 steering issues
Posted By: Bsumudd
Subject: 653 steering issues
Date Posted: 26 Jan 2020 at 2:51pm
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Hi all, I am brand new to the forum but was hoping for some help. I just bought a 653 dozer (SN in the 8000s) and took it out to see how she worked. Starts right up and runs great, but seems to have some steering issues. When I tap the pedal to turn it will continue to turn after I let off. If I tap the other pedal to keep it from going too far, it seems to go in neutral and stops completely. This is not a huge problem unless I am on a hill where it will quickly roll back (it’s in southern Indiana I’ll be mostly working on hills). Is this an adjustment problem in a clutch, or is there something going out that will need replaced? This is my first dozer and I’m still learning what everything is. I will buy the mechanics manual (unless someone wants to share a digital copy) and start reading through it, but you guys are the experts and I figured I better ask you first. Thanks everyone!
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Replies:
Posted By: Big Jim
Date Posted: 26 Jan 2020 at 6:57pm
It sounds to me like the spool valve that is under the seat. that controls the
steering clutches is hanging-up. I think if you can get the spools moving
freely and the return springs are in good shape. You will be good to go.
Jim
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Posted By: Bsumudd
Date Posted: 26 Jan 2020 at 8:30pm
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Thanks Big Jim. It will unfortunately be a few weeks till I can get back there to look at it, but I will check that out. I really appreciate it.
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Posted By: Spike78653
Date Posted: 06 Feb 2020 at 11:30am
You may want to pull the clutch cover off to inspect the clutch fork. Mine was rusted up on the pivot pin so when you engaged the clutch and released, the clutch would stay engaged. Once that happened that side would not drive anymore. It took me a little bit to figure that one out.
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Spike78653
653
H3
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Posted By: Bsumudd
Date Posted: 06 Feb 2020 at 9:53pm
Spike,
This thing sat for awhile it’s entirely possible things are rusted up. I just bought the service manual, so I will read into this. That being said, How big of a job was that? Its out in gods country with only hand tools to fix it.
Thanks for the advice though. I will certainly read into this and check that out.
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Posted By: Spike78653
Date Posted: 07 Feb 2020 at 8:54am
If it is indeed just the clutch fork hanging up its not bad at all. Take the clutch cover off, work the steer handle of foot control back and forth to make sure the fork is moving back and forth. If it is stuck, carefully use penetrating oil to work free, making sure you dont get any on the clutch discs themselves.
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Spike78653
653
H3
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Posted By: Bsumudd
Date Posted: 08 Feb 2020 at 10:35am
Spike,
Good deal. I will certainly check it out. Looking forward to the manuals coming in to read up on it.
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