starter assembly mounted on the searchlight drum
The wiring diagram for the early model 12-inch
mercury-xenon arc searchlight is shown in figure 4-31.
Other modifications include the following:
· Providing a 115-volt, 60-hertz ballast unit
mounted below deck near the searchlight,
Do not bridge or depress the safety switch
connected by a flexible cable
when working on the assembly or when
· Installing the short-arc mercury-xenon arc lamp
replacing the lamp. Opening the searchlight
drum opens all contacts of the safety switch,
· Furnishing the additional onboard repair parts
protecting personnel against electric shock. As
necessitated by the changes, which include a
an additional safety precaution, disconnect the
plug on the starter box before opening the door.
Figure 4-30.--A 12-inch incandescent searchlight converted to use a mercury-xenon arc lamp.