Farm Equipment - 180 Hydraulic & PD vent

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180 Hydraulic & PD vent

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=198744
Printed Date: 24 Sep 2024 at 11:37am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: 180 Hydraulic & PD vent

Posted By: BrettPhillips
Subject: 180 Hydraulic & PD vent
Date Posted: 17 Dec 2023 at 3:32pm

I finally found time to get my 1967 One Eighty back together after rebuilding the brakes, transmission, power director and engine clutch. After running it a few times I noticed what seems like a lot of pressure behind the dipstick for the hydraulic and power director compartment. I never had this before, but then again I didn’t have much of a seal between the transmission and power director either. How much pressure is normal in this compartment and how does the vent work in the dipstick?

Thanks all!

Replies:

Posted By: DrAllis
Date Posted: 17 Dec 2023 at 3:49pm

Remove the cotter pin and ball from the dipstick tube and throw them away. Now take the top cap off the dipstick and gut the mesh wire and perforated washer plate under the mesh wire and clean it all up. Reassemble with clean mesh wire and re-solder the cap back on the top of the dipstick. NO PRESSURE is good.

Posted By: BrettPhillips
Date Posted: 17 Dec 2023 at 3:52pm

Thanks Doc! That’s kind of what I was thinking. Maybe this is the reason I found the front transmission seal in two pieces when I tore it down…