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 TM 55-1905-223-24-18-2
d.
Remove panel assembly (1).
DISASSEMBLY
a. Remove mounting hardware and remove rudder order indicator (3).
b. Remove light lens (white) (4), dust and moisture seal boot (5), incandescent
lamp (6), and push switches (7).
c.
Remove audible alarm cover (8) and push switch (9).
d. Remove light lens (green) (10), dust and moisture seal boot (11), incandescent
lamp (12), and push switch (13).
e. Remove retaining screw (14), knob (15), and rotary switch (16).
f.
Remove setscrew (17), knob (18), and variable resistor (19).
g. Remove light lens (red) (20), dust and moisture seal boot (21), incandescent
lamp (22), and push switch (23).
h. Remove retaining screw (24), knob (25), and rotary switch (26).
i.
Remove machine screw (27), lockwasher (28), and spacer (29).
j.
Remove printed circuit board (LED display) (30).
k.
Remove machine screw (32), lockwasher (33), and spacer (34).
l.
Remove printed circuit board (alarm logic) (31).
m. Remove self-tapping screw (35), insulator (36), and socket (37).
n. Remove voltage regulators (38).
REPAIR
Repair at this level of maintenance is by replacement of light lenses (4, 10, and 20), dust and moisture
boot seals (5, 11, and 21), incandescent lamps (6, 12, and 22), push switches (7, 19, 13, and 23), rudder
order indicator (3), knobs (15, 18, and 25), rotary switches (16, 26), variable resistor (19), printed circuit
boards (30, 31), and voltage regulator (38).
ASSEMBLY
a. Install sockets (37), insulators (36), and voltage regulator (38).
b. Secure with self-tapping screws (35).
c.
Install spacer (34) and printed circuit board (alarm logic) (31).
d. Secure with machine screws (32) and lockwashers (33).
3-412
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