Farm Equipment - D17 Hydraulic lift arms not staying up

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D17 Hydraulic lift arms not staying up

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Category: Allis Chalmers
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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=25877
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Topic: D17 Hydraulic lift arms not staying up

Posted By: FOOT1959
Subject: D17 Hydraulic lift arms not staying up
Date Posted: 17 Feb 2011 at 11:55am

I'm having problems with my 57 D17 lift arms not staying up. matter of fact they wont even raise after the first time anymore. The only two things i could think of is the cylinder is leaking past the seals or the hose going to cyl. is ruptured. after one lift the reservoir is low and the trans fluid is higher. any advice or input would be appreciated.

Replies:

Posted By: sandylakeimplement
Date Posted: 17 Feb 2011 at 11:59am

Since you are transferring oil from hyd sump to tranny I would bet that your suspicions are 100% on the money. Might as well replace seals & hose while apart, rear PTO seal too. Bill

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Posted By: FOOT1959
Date Posted: 17 Feb 2011 at 12:02pm

Can the lift cylinder be gotten to by taking the lift arm housing off?

Posted By: skipwelte
Date Posted: 17 Feb 2011 at 12:16pm

Yes, drain oil in trans, rear end and also hyd oil. Pull PTO shaft out the back, then take off the lift shaft housing, the cylinder piston will come with the housing. should be able to see the hose and the cylinder seals, also look for a crack where the hose attaches to the cylinder. Good luck.

Posted By: FOOT1959
Date Posted: 17 Feb 2011 at 6:12pm

Thank you, Thats easier than i expected. but i know there's always things that will usually not go as planned. Thanks again, Foot