4-13. Lens Horizontal and Vertical Control Knobs
. Turn the horizontal control knob (2, fig. 4-
or vertical control knob (8),
to make small end
of pin accessible. Tap out pin from control knob to release.
b. Installation. Place control knob on drill rod extension,
aligning pin holes. Insert pin into hole and tap into place.
4-14. Lensboard Control Switch and Copyboard Control
a. Description. The lensboard and copyboard control
switches (9 and 1, fig. 4-2), although separately located, are
identical switches mounted similarly and attached on opposite
sides on the back support plate.
b. Removal. Remove the screw on the front of control
switch (9), and slide switch cover (10) from switch. Remove
four mounting screws to detach control switch. Disconnect
wire leads from terminals.
c. Installation. Connect wire leads to terminals of
control switch (9). Mount switch with four mounting screws.
Replace switch cover (10) and attach with screw on front.
Camera controls, installed darkroom