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Well fella's it's a sad day up here on the Pacific northwest coast. I made the fatal error of taking my JD to my friendly neighbourhood auto mechanic and he along with my brother in law decide that they would do ol' Mern a favour and tackle the cylinder rebuild project. Both have some hydraulic experience but not enough apparently as they managed to twist the retainer ring all the way into the cylinder (using a 24" pipe wrench - when in doubt use more force - seems logical eh !!) now there seems to be a mushroomed ridge on the outside of the cylinder case and the retainer ring is totally inside with no visable way of getting a hold of it. Any suggestion other than beating a couple of good old boys to death with a mucked up cylinder or having to pay the piper and order a complete unit
Thanks & help
Mernie

John Deere 4200 cylinders repairs on 420 loader
John Deere Tractors
Replies 10 Post by mfurst

I am having problems with the loader creeping down with or without a load in it. I have only 900 hrs.+/- on it and have changed oil and filters as per owners manual. Where could the problem be in the cylinders or in the control, how does one determine where the problem lies. Any help would be greatly appreciated as there is no dealer/service shop here on the Queen Charlotte Islands<br>
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Happy Deering

hydraulic on 4200 w 47 hoe and 420 loader
John Deere Tractors
Replies 3 Post by mfurst