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715B Loss of swing and steering
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Dklsc View Drop Down
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Joined: 09 Oct 2023
Location: SC
Points: 5 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dklsc Quote  Post ReplyReply Direct Link To This Post Topic: 715B Loss of swing and steering
    Posted: 28 Oct 2024 at 7:16pm
Finally got the shuttle transmission rebuilt and put back in and I have Forward and Reverse !!
However I have lost the swing and steering, (worked when parked) I see they share a common supply through the swing valve. I have pulled the relief valve and it was clean and not stuck. Everything else works good. Any suggestions where to look next? Thanks
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KRAKMT View Drop Down
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Joined: 21 May 2010
Location: MT
Points: 100 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KRAKMT Quote  Post ReplyReply Direct Link To This Post Posted: 30 Oct 2024 at 11:30am
I have a 715b but have not had to tear into the hydraulic circuit, yet.

Here is a good discussion of something similar.
https://www.allischalmers.com/forum/ac-715d-backhoe-hydraulic-pump_topic96342.html

I was thinking that the pump was two circuits.

If you are full of fluid, and have checked the suction screens, it might require a pump refresh but this place has good mechanics that will answer your question better than me.
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