Figure 4-8. Adjusting carbon holders.
4-28. Arc Lamp Reflector
(2) Disconnect reflector door by removing hinge
screws (21, fig. 4-6) from the two hinges (22), supporting the
. The reflector (3, fig. 4-6)
is a funnel-
door. Remove the other reflector door in similar manner.
shaped panel containing a highly glazed surface to provide
maximum lighting reflection. The top and lower sections of the
(3) Remove the reflector door latches ( 1, fig. 4-7)
reflector are equipped with hinged doors (12, fig. 4-7), making
by removing two screws and nuts.
the upper and lower chambers of the arc lamp accessible.
The reflector is supported primarily by the top casting (2, fig.
d. Cleaning, Inspection, and Repair. Clean the surfaces
4-6) and bottom casting (19) and two side panels (1) which
serve as a frame for the arc lamp.
and the reflector doors (12) with cleaning solvent and a clean,
soft cloth. Clean the reflector door latches (11) with cleaning
solvent. Wipe all surfaces dry with a clean cloth; use air hose
to dry inner surfaces of the latches. Inspect the parts of
(1) Remove the carbon electrodes as detailed in
dented, cracked and bent surfaces. Observe closely for
crinkling, peeling, or other signs of finish deformation of the
Inspect the reflector door latches (11) for
satisfactory operation. Replace defective latch if necessary.
(3) Release the reflector from the side panels by
Straighten and level dented or bent surfaces of the reflector
(1) Remove four screws (6, fig. 4-7) to release the
center support plate (7) from the reflector.