Wurlitzer 7300, Инструкция по эксплуатации

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1 . Re m ove the top .
2. Six screws hold the asse
m bly to the case. One sheet m etal screw is located just to
the left of the "C" oscillator shield can and one to the left of the power transfor m er
and fuse post . This is the longer of the two screws . The re m aining screws are ac -
cessible by turning t h e organ over and re m oving the four screws under which are cup
washers . ' The organ should be laid on a pad or blanket to protect the keys .
WHITE KEY CAPS
T h e white key caps can be re m oved as follows:
1 . Re m ove the top of the organ.
2. Re
m ove the small black screw holding t h e key cap to the fra m e .
3 . With the thu m b and forefinger grip the front of the key cap and pull forward . The new
cap can be replaced by reversing the above procedure.
BLACK KEY CAPS
The black key caps can be re m oved as follows:
1 . Re
m ove the top of the organ .
2. Re m ove the s m all black screw holding the key cap to the fra m e.
3 . Depress the two white keys straddling the black key.
4. With the thu m b and forefinger grip the front of the black key and pull forward. The
new black key cap can be replaced by reversing the above procedure.
KEY CONT ACTS
The key contacts have been factory adjusted and should not require any further adjustments.
Should the contacts require cleaning, the following is the procedure:
1 . Re m ove the top .
2. Remove the keyboard fro m the console case . Be sure to lay the asse m bly on a pad.
3 . Using a soft brush and denatured alcohol, the springs and bus& bars can be cleaned.
Be careful not to catch any of t h e contact springs in the brush.
EXPRESSION PEDAL
The 1 0 K control found inside of the housing of the Expression Pedal can be c h anged as follows:
1 . Turn the pedal over and re m ove the cover plate.
2. The socket head set screw holding the shaft and arm is a No. 6-1/ 4" long screw. A
No. 6 set screw wrench is used to loosen the screw.
3 . The four leads can be unsoldered. Be sure that the External A m plifier lead always
goes to t h e center lug of the control.
4. Re m ove the 1/2" nut holding the control to the m ounting plate and remove the control.
5. Place the new control in the proper position on the plate. Be sure that the s m all index
ear is positioned properly in the hole found on the m ounting plate. Tig h ten the 1/2"
nut.
6. Replace the four wires. Be sure that No. 3 above is carefully followed.
7. DO NOT TIGHTEN THE SET SCREW.
8 . Plug the cables into the Co m bo and E xt ernal Amplifier.
9. Operate the 16' - 8' and 4' stop tabs and rotate the console volu
m e control on full.
Play a chord on the organ and with your finger rotate the shaft of the new expression
control until maxi m um volume is heard out of t h e External Amplifier. The proce­
dure should be done several times to be sure that the m axi m um point is reached. Do
not rotate the shaft any farther than this point .
1 0 . Hold the shaft & depress the Expression shoe to the full "ON" position.
11 . Tighten the No. 6 set screw and replace the cover plate.