LW 7 dipper problem

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    • September 12, 2011 at 7:39 pm #30402
      thunder1sr
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        Hello all, I have a problem with the dipper on my LW 7 BH. when fully extended it drifts down on its own, also the dipper has no power to dig. I can raise it up and down no problem. As it drifts down you can hear a light chatter coming from the ram. Any suggestions? Its mounted on my Jinma 354. All the other functions are working normal. Opened up the spooler and changed the O-rings and back up rings. Everything in the spooler looked good. Thanks in Advance…………. Mike

      • September 12, 2011 at 8:13 pm #33193
        RichWaugh
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          Sounds like you might need to rebuild that cylinder as it is bypassing fluid past the piston seals.

        • September 13, 2011 at 1:45 am #33194
          Bob Rooks
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            I concur with Rich. hailking

            Pardon my ignorance, but what is a “spooler”? hmmm

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          • September 13, 2011 at 6:05 am #33196
            thunder1sr
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              maybe im incorrect but i thought the individual “valves” that control the rams were called spoolers. i couldve picked up someones slang word as well.I need help with this one as well LOL

            • September 13, 2011 at 8:27 am #33197
              thunder1sr
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                talk to the mechanic at work they are called spool valves. sorry for the mistake everyone.

              • September 13, 2011 at 12:09 pm #33199
                Bob Rooks
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                  thunder1sr wrote:

                  “talk to the mechanic at work they are called spool valves. sorry for the mistake everyone.”

                  Not to worry. Been wrenchin' for over 50 years and thought I'd missed something. Never heard that one. roflmao

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                • September 13, 2011 at 1:05 pm #33202
                  thunder1sr
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                    Anything on the site about rebuilding rams??

                  • September 13, 2011 at 5:58 pm #33204
                    Bob Rooks
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                      Rebuilding hydraulic cylinders is pretty simple and straightforward – once you get them on the workbench, some you can do right on the unit.

                      What are your capabilities, and what resources do you have to work on it?

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                    • October 16, 2011 at 4:16 am #33442
                      cjimmybond
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                        it of late reply lol.

                        sometimes it just the bolt on piston that has come loose.

                        very easy to sort. it will be easier to open on tractor, or atleast crack open the gland cap then remove, i just undo the rod as dont see the point struggling to hold ram whilst undoing the gland cap.

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