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d 19 hydrilics
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c linn View Drop Down
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Joined: 20 Jan 2010
Points: 25 		Post Options Post Options   Thanks (0) Thanks(0)   Quote c linn Quote  Post ReplyReply Direct Link To This Post Topic: d 19 hydrilics
    Posted: 06 Feb 2010 at 8:20pm
My d19 will lift the lift arms raise but  will not hold them up. We have cleaned the main valve and found the check ball under the valve body with the spring stuck. This is a late model d19 and the service manual is very limited. The book says there is a poppet valve also but did not see it. Traction booster is moving the hose but will not raise the rams. Any help or pictures would be appreciated.                                                
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 06 Feb 2010 at 10:56pm
Pull the top half of valve assy. off. There is a checkvalve in the top half that sets down in the bottom half. Unscrew both pieces of checkvalve you will find a copper washer(or maby pieces of copper washers), replace the copper washer and orings. When you replace the copper washer, tighten it down then hit ball with a soft punch and hammer, tighten and hit it again until it won't anymore and you will be back in business.
MACK
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