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hydraulics
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Dusty MI View Drop Down
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Joined: 13 Sep 2009
Location: Charlotte, Mi
Points: 5053 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dusty MI Quote  Post ReplyReply Direct Link To This Post Topic: hydraulics
    Posted: 30 Sep 2020 at 12:42pm
I'm looking for someone that knows hydraulic controls.
I bought a towable back-hoe.
It has 4 control handles/levers.
 Left to Right
   Boom Swing
   Boom Up-Down
   Arm In-Out
   Bucket roll In-Out   
Is there something that can be added to slow the swing?
 Also when I push the boom up it drops some before it goes up. Is this a defect or is there a simple adjustment to fix this.

Thanks,
Dusty
917 H, '48 G, '65 D-10 series III "Allis Express"
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Tbone95 View Drop Down
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Joined: 31 Aug 2012
Location: Michigan
Points: 11399 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tbone95 Quote  Post ReplyReply Direct Link To This Post Posted: 30 Sep 2020 at 1:17pm
Dusty, check out "color flow valve". But they're pricey. In any case, you need a restriction in the line, adjustable is nice. There are fixed-orifice flow restrictors available too. You'd have to experiment to see what size you need. But it's basically just a coupling that screws in between your hose and the cylinder.
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DiyDave View Drop Down
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Joined: 11 Sep 2009
Location: Gambrills, MD
Points: 50624 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 30 Sep 2020 at 5:58pm
Surpluscenter.com has adjustable flow restrictors, about $10. You might need 2, if your machine uses a ram(s) instead of a clock motor, to rotate the arm.

What machine are you working on?Wink


Edited by DiyDave - 30 Sep 2020 at 5:58pm
Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need!
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Adam Stratton View Drop Down
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Joined: 11 Sep 2009
Location: SW MO
Points: 1363 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Adam Stratton Quote  Post ReplyReply Direct Link To This Post Posted: 30 Sep 2020 at 8:58pm
There are several different styles available, and obviously different sizes, fittings, flow rates etc. Look on ebay or surpluscenter or Baum hydraulics or your local place for a "hydraulic flow control valve" I personally like the kind with a lever to one side better than the needle valve type, but that varies by application.
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shameless dude View Drop Down
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Joined: 10 Apr 2017
Location: east NE
Points: 13611 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shameless dude Quote  Post ReplyReply Direct Link To This Post Posted: 01 Oct 2020 at 1:41am
if you bought it used your control levers and boxes might have alot of wear, do your levers wiggle without the hyd's moving anything? sometimes it's just a pin on the bottom of the levers that gets wore. not saying you don't need a restrictor, but i'll bet your controls are wore alot. also try to work them with the engine slowed up a bit, you ussually don't have to run the engine full throttle unless you are constantly moving the arm.  
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