Concert Grand Trucks

[Ed Sutton]

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Re: Concert Grand TrucksJohn-
    I haven't had that problem.  I turn the valve stem very slowly.  I =
imagine scissor jacks would work just fine.
        Ed
  ----- Original Message -----=20
  From: John Ross=20
  To: College and University Technicians=20
  Sent: Friday, March 28, 2003 2:23 PM
  Subject: Re: Concert Grand Trucks


  Hi Ed,
  I use scissor jacks, I find them to be more controlable, on the way =
down.
  When I use a hydraulic jack, with a weight on it, it comes down with a =
rush, when the valve is opened.
  Just my take.
  Regards,
  John M. Ross
  Windsor, Nova Scotia, Canada
  jrpiano@win.eastlink.ca
    ----- Original Message -----=20
    From: Ed Sutton=20
    To: College and University Technicians=20
    Sent: Friday, March 28, 2003 2:43 PM
    Subject: Re: Concert Grand Trucks


    Avery,
        Yes.  In both my cheap version and the Jansen transporter, the =
sensitivity of the hydralic jacks is a real joy to the piano =
technician's obsessive mind.  You can lower the piano until the legs =
just touch the cups on the arms, then go around tweaking the valves to =
your heart's content as the weight is almost impercepibly transferred to =
the truck.
            Ed
       =20

    ----- Original Message -----=20
      From: Avery Todd=20
      To: College and University Technicians=20
      Sent: Friday, March 28, 2003 12:54 PM
      Subject: Re: Concert Grand Trucks


      Wim,


      If I'm understanding Ed correctly, the entire piano is lifted just
      enough for the truck to clear under the legs, then after removing
      the casters, the legs are let down one by one. The truck is =
already
      positioned under each leg with just a little clearance, hence the
      arms have nowhere to go except the bottom of the leg. At least
      that's my take on it. Correct me if I'm wrong, Ed.


      Avery


        In a message dated 3/28/03 10:52:46 AM Central Standard Time, =
ed440@mindspring.com writes:

          You can lift the piano as long as needed to remove the
          casters and position the truck arms, then gently lower it.  =
There will be no
          problems with the truck flipping up, no need to shim under the =
ends of the
          truck arms.



        Ed

        I don't know how you do it, but I have to put something under =
the first and second arms to keep the whole truck from flipping up.  Can =
you explain how you do it without the shims.

        Wim



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