TM 1-1520-238-T-6
9–615
9–317. CIRCUIT PROTECTION SYSTEM (DC GROUND CIRCUIT BREAKERS – CPG STATION) –
9–317
MAINTENANCE OPERATIONAL CHECK (cont)
1. Perform the maintenance operational check as follows:
Task
Result
a. Open all CPG dc ground circuit breakers
(fig. 9–200).
M69–265
MSL L OUTBD
LCHR DC
MSL R OUTBD
LCHR DC
MSL ARM
MSL L INBD
LCHR DC
MSL R INBD
LCHR DC
Figure 9–200.
CPG Circuit Breaker Panel 1
b. Detach P767.
c. Check for short between (A77)J2-39 and
ground.
If short exists, go to paragraph 9–319.
d. Check for short between (A77)J2-6 and
ground.
If short exists, go to paragraph 9–320.
e. Check for short between (A77)J2-17 and
ground.
If short exists, go to paragraph 9–321.
f. Check for short between (A77)J2-23 and
ground.
If short exists, go to paragraph 9–322.
g. Check for short between (A77)J2-25 and
ground.
If short exists, go to paragraph 9–323.
h. Check for short between (A77)J2-18 and
ground.
If short exists, go to paragraph 9–324.
