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Hydraulics question... |
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Dantforth
Bronze Level Joined: 15 Sep 2009 Location: Westport, Ont. Points: 48 |
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Posted: 17 Nov 2009 at 6:01am |
I finally have my D15 Series1 at the stage of reassembly where I am hooking up the hydraulics to my loader. My question is this.... I have drained all of the hydraulic fluids not only from the reservoir but also from the lines. Now, when I refill the reservoir do I need to bleed the lines somehow? What happens to all of the air upon engaging the pump? Dave
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Dantforth
Bronze Level Joined: 15 Sep 2009 Location: Westport, Ont. Points: 48 |
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This must be a stupid question as I see nobody has attmpted to answer. I am green at these things so apologize if my technicality isn't up to snuff. Regards, Dave
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CTuckerNWIL
Orange Level Joined: 11 Sep 2009 Location: NW Illinois Points: 22823 |
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I have read on this forum about people bleeding lines and such after draining or rebuilding a system. I have drained and rebuilt the system on my WD45 and made no attempt to bleed anything. It works just fine.
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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF |
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Max(ia)
Orange Level Joined: 15 Sep 2009 Location: Polk County,Ia Points: 536 |
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I would think the air would move through the system back to the reservoir and out the breather. Might be a good idea to remove the breather cap, but don't get oil blown all over you.
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Gerald J.
Orange Level Joined: 12 Sep 2009 Location: Hamilton Co, IA Points: 5636 |
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Air at 3000 psi occupies 1/200 th the volume at atmospheric pressure. That has virtually no effect on the cylinder operation. And it tends to dissolve in the oil at pressure and so at the worst, a few strokes of the cylinder and there is no air in the cylinder anymore.
That's not to day you can't bleed. You can bleed, you will make a mess and you won't get all the air out and a few cylinder strokes will finish it for you. Gerald J. |
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Dantforth
Bronze Level Joined: 15 Sep 2009 Location: Westport, Ont. Points: 48 |
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Thanks for the information. This makes it a simple process. Fill her up and go to town. Dave
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