Farm Equipment - Operation 185 Allis Diesel

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Operation 185 Allis Diesel

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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=4101
Printed Date: 15 Jan 2025 at 8:57am
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Topic: Operation 185 Allis Diesel

Posted By: dmulert
Subject: Operation 185 Allis Diesel
Date Posted: 23 Nov 2009 at 3:15pm

The high low does not seem to be working right. Low only. Does anyone have an idea how to tell if thre is a major problem or just an adjustment needed?

Replies:

Posted By: skipwelte
Date Posted: 23 Nov 2009 at 3:47pm

No adjustment, the only thing you can do is check the pressure at the valve, its located under the steering valve, there are two 1/8th pipe plugs, one for low, the other for high, cannt remember which is which. Pressure should be around 240psi when in either range. If pressure is ok, probably bad sealing rings or clutch plates. If pressure isnt good you can shim valve some, usually not the pressure. Good luck

Posted By: john carlson
Date Posted: 23 Nov 2009 at 7:31pm

We had the same thing when we bought are 180. The oil was milky in the high low range from water getting into it. Low range would work but high would not and found the valve that is behind the panel below the steering wheel was rusted and wound not move. Cleaned it up and the high range worked.

John Carlson

Posted By: dmulert
Date Posted: 24 Nov 2009 at 10:42am

Yes, That is what the rearend oil looks like. Did you drain and replace I would guess? I will check the valve associated with the high range lever is what I think you are talking about? You do not happen to have a diagram for the tractor do you?

Posted By: john carlson
Date Posted: 24 Nov 2009 at 6:26pm

Can you give me a call at 906 359 4798 and maybe I can give you some directions on what I did. My cell phone is 520 518 0079. Were in Upper Michigan so I don't know where your at and there may be a time difference.

John Carlson

Posted By: dmulert
Date Posted: 27 Nov 2009 at 6:25am

Thank you. I will be back to Minnesota on Sunday after the Holiday. i will give you a call then. Thank you again for the help