TM 55-1520-240-23-11
17-7
CHARGE EMERGENCY EXIT LIGHT BATTERIES
(Continued)
17-7
2.
Connect panel (2) to switch (3) and power supply
(4).
NOTE
Two small lamps inside light come
on during battery charging. Glow
of lamps can be seen through two
pinholes in reflector.
3.
Set switch (3) to TEST. Turn on power supply (4)
and adjust output to 28 vdc.
4.
Check light (1). Main lamp (5) shall be out and
pinholes (6) shall not be lit.
5.
Set switch (3) to ARM (CHARGE). Pinholes (6)
shall be lit. Let light (1) charge for 16 hours.
6.
Set switch (3) to TEST.
7.
Check light (1). Main lamp (5) shall come on and
pinholes (6) shall go out.
8.
Set switch (3) to DISARM.
9.
Check light (1). Main lamp (5) shall go out,
pinholes (6) shall be lit.
10.
Shut down power supply (4). Disconnect panel
(2) from switch (3) and power supply.
INSPECT
FOLLOW-ON MAINTENANCE:
None
END OF TASK
17-20