(3) Testing.
ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
(a) Rotate switch shaft counterclockwise as far as it will go. This places switch in L1-L2 volts position.
(b) Check switch for continuity with a multimeter wing schematic of Figure 4-39 as a guide.
(c) Rotate switch shaft clockwise to the next position and again check switch continuity.
NOTE
The wiper contacts shown in Figure 4-39 rotate clockwise to the next set of station-
ary contacts when the switch shaft is rotated clockwise to the next position.
(d) Continue rotating switch shaft and checking continuity until all six positions have been checked.
(e) If a discontinuity is noted in any switch position, switch is unserviceable and shall be replaced.
(4) Installation.
(a) Install switch (40, Figure 4-38, sheet 1 of 3), and nut (39) onto panel.
(b) Install control knob (38), and tighten setscrews in control knob.
(c) Reconnect electrical lead to volts-amps transfer switch.
Figure 4-39. Volts-Amps Transfer Switch Schematic Diagram
m. Panel Light Assemblies.
(1) Removal and Disassembly.
(a) Tag and disconnect electrical leads to panel light assemblies.
(b) Remove nut (41, Figure 4-38, sheet 1 of 3) to remove panel light assemblies (42).
(c) Remove covers (43) and unscrew lamps (44) from bases (45).
(2) Cleaning and Inspection.
(a)
(b)
(c)
(d)
(e)
Clean panel light assemblies with filtered compressed air and a soft bristle brush or wipe with
a clean, lint-free cloth lightly moistened with an approved solvent.
Visually inspect base for corrosion, cracks, stripped or otherwise damaged threads, and evidence
of shorting or other damage.
Visually inspect lamp for corrosion, burned out filament, and stripped or otherwise damaged threads.
Visually inspect covers for cracks, corrosion, stripped or damaged threads and other damage.
Replace any damaged or defective parts.
4-92
