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<DIV><FONT face=Arial>I’m assuming this is a PianoDisc. The solenoid
sticks for three reasons that I’ve found. Debris gets in the chamber and
binds betwixt the plunger and the walls of the chamber. Lifting, spinning
and then dropping the plunger in one smooth motion numerous times sometimes
dislodges the offending particle. Then there’s the binding stem.
Spin the plunger and see if the tip wanders. If so, straighten it.
Be gentle with this. After straightening, if it still binds, locate the
offending point of contact and relocate the neighboring solenoid. After
ruling out the first two reasons, you’re left with a warped chamber or
barrel. The solenoid was either wound too tight or it got hot and warped
the barrel to the point that the plunger is now rubbing on the inside walls of
the barrel or chamber. Replacement is the only fix. Any PianoDisc
installer should have one laying around for you to purchase. If they are
the type that wrap around the rail using a quarter inch screw, you don’t need to
remove all the solenoids to get the old one off. Just remove the screw all
the way and it should come off easily ..... solo. There was a short
production run that used torx heads on the current styled solenoids.
Current styled solenoids are easily replaced one at a time. You’ll need a
quarter inch nut driver.</FONT></DIV>
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<DIV><FONT face=Arial>Allow at least an hour labor ............
pedal mech removal, rail cover removal, rail removal, solenoid R and
R.</FONT></DIV>
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<DIV><FONT face=Arial>Lar</FONT></DIV>
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<DIV><BR>What's the best way to lube a stuck solenoid?<BR><BR>Rick
Ucci<BR>Uccipiano.com</FONT><BR></DIV></DIV></DIV></BODY></HTML>