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Deere 7520 (mfd) TLS suspension issue.
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Chad H
Posted 7/12/2020 11:28 (#8369034)
Subject: Deere 7520 (mfd) TLS suspension issue.


NE SD
I might as well put a zipper on this thing. This will be the 4th or 5th time I've had to tip the cab. All but one was for the hose that supplies pressure from the hydraulic pump to the front axle. I'm wondering if the accumulators on the Triple Link Suspension are bad. It seems like after moving bales (two 16-1800 lb on grin forks) it develops a leak at the crimp on the pump end of the hose.

I'm going to try a 5000 psi hose for the stronger crimp but I'm thinking that maybe we need to be looking at accumulators. They are 17 years old with 6000+ hours on them and have absorbed a lot of shock loads. Has anyone else had issues similar to this? The TLS is certainly not confined to just this model tractor.



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