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Backhoe repair.

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hendersontr View Drop Down
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Joined: 03 Aug 2018
Location: Florida
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hendersontr Quote  Post ReplyReply Direct Link To This Post Topic: Backhoe repair.
    Posted: 03 Aug 2018 at 9:49am
Hello all, im new to the forum. But a Do It Yourselfer and i own Allis Chalmers WD & CA. But i have a Massey Ferguson with a MF 54 backhoe on it and the rotary cylinder is leaking on top and in need of repair. Anyone have some tips or lessons learned about bracing the backhoe boom and the dissecting of this monster.
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pinball View Drop Down
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Joined: 28 May 2014
Location: missouriu
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pinball Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 2018 at 3:13pm
extend your boom all the way out. lower it onto some blocks to get the weight off of it. then remove your lines and pins. if you have it supported right the pin will drive out easily. I take all my rams to a hydr shop to fix. not sure what it will cost in your area. last one I had rebuilt was $185. if you do it your self just be careful. hate to see anyone get hurt fooling with these things. good luck
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hendersontr View Drop Down
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Joined: 03 Aug 2018
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hendersontr Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 2018 at 5:45pm
Thank you. Good advice for sure.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TDF Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 2018 at 9:42pm
Good advice on the disassembly. I would add that a merely leaky cylinder if you have a good hydraulic shop that will sell you parts isn't all that hard to replace seals in. I've done quite a few. Last one cost me something like 26 bucks.

TDF
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hendersontr View Drop Down
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Joined: 03 Aug 2018
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hendersontr Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 2018 at 9:57pm
You know. With problems like this one. There isnt anyone on craigslist or forums that do mobile repairs. Seems like a MUCH NEEDED TALENT
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jaybmiller Quote  Post ReplyReply Direct Link To This Post Posted: 04 Aug 2018 at 6:03am
please, pretty please be extremely careful when you remove it ,dang thing looks and IS heavy and 'awkward looking'. Use solid WOODEN blocks, NOT hollow cinder blocks. Obviously best to remove on a level concrete pad if possible, if not put large(24x30) patio stones down on firm ground. Maybe tie a strong rope or chain to local trees to keep it from tipping ?
Call me paranoid, but THINK before doing. I do that now ,maybe cause I finally get Old Age pension and want to keep getting them !
3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)

Never burn your bridges, unless you can walk on water
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 04 Aug 2018 at 8:37am
that rotary piston leak can be a bear to get to stop leaking , I had problems on mine and replaced the upper and lower seals and the top one is a real bear to get to slide over the shaft . in fact mine weeps some yet after new seals were installed . 
 Allis , MF , and couple others uses that Cesna rotary piston - I also had some chips on inside rotor that I had to weld up and machine down as piston would try to swing past the port to buffer it at end of travel .
 Mine was a little easier to get to as it was mounted on the upper side of boom rather than between like yours . Other problem i had was the expanding pins that hold it onto hoe frame had been allowed to wear to the point some wear was present on the ears of cylinder casting holes 
 I got my repair kit from a MF dealer as at the time no AC dealer seemed to even have a listing for the AC 650  detachable hoe for the HD4  - still have the 14' hoe but not the HD4 as some of the other cylinders also fit the AC 715 hoe  
Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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hendersontr View Drop Down
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Joined: 03 Aug 2018
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hendersontr Quote  Post ReplyReply Direct Link To This Post Posted: 04 Aug 2018 at 1:49pm
I ordered a seal kit and it took many hurdles to find someone who actually had them available.

Robinson Equipment
3030 Cuyler Street
Mims Florida 32754
321-248-3438
Office@robinsonequip.com
$705.00
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