TM 5-3610-287-24
Table 2-3.
Organizational Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
16.
BLACKOUT LIGHTS COME ON WHEN BLACKOUT LIGHTS SYSTEM IS ACTIVATED
(CONT)
WARNING
HIGH VOLTAGE. When working on high voltage
components, always have an additional person
present. Keep one hand away from equipment to
reduce hazard of current flowing through vital
organs of body. Remove all jewelry from
fingers, wrists, and neck before working on
electrical components. Failure to observe this
warning may result in death or serious burns.
Step 2.
Set CEILING LIGHTS circuit breaker to OFF. Remove rear
personnel door switch. Set CEILING LIGHTS circuit breaker
to ON. Test voltage from ground to both terminals of
switch. Reading should be 110 5 Vac on one of the
terminals.
Repair wiring to switch.
Step 3.
Set CEILING LIGHTS circuit breaker to OFF. Open curbside
personnel door. Test continuity of rear personnel door
switch. Reading should be 0 ohms when button is depressed
and 1.0 (infinite) ohm when button is released.
Replace door switch (para 2-52).
Step 4.
Set CEILING LIGHTS circuit breaker to OFF. Install rear
personnel door switch and close door. Remove cover on
curbside expanding side cable junction box. Test voltage
from ground to wire marked 13B. Reading should be 110 5
Vac.
Repair expanding side power cable (para 2-61).
Step 5.
Test voltage at junction box across wires marked 13B and
13C. Reading should be 110 +5 Vat.
--
If reading is correct, replace curbside door switch
If reading is 0 Vac, repair expanding side power cable
2-19
