TM 1-1520-238-T-6
9–709
9–366. EMERG BATT CAUT CIRCUIT BREAKER (CB29) – DOES NOT STAY CLOSED
9–366
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairer’s
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
References:
TM 1-1520-238-23
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
CPG circuit breaker panel
1 removed
WARNING
Turn off power before detaching or
attaching wires and connectors. High
current 28 VDC or 115 VAC is present.
Failure to do so could result in death or
serious injury.
NOTE
On CPG circuit breaker panel 1 connectors
P767, P768, P769 remain attached.
1. On CPG circuit breaker panel 1, close EMERG
BATT CAUT circuit breaker (CB29). Detach
P766 and check for short between (A77)J1-4
and ground.
Does short exist?
YES
Go to paragraph 9–304 to
troubleshoot dc emergency bus
– CPG station.
NO
Go to step 2.
2. Detach P473. Check for short between P473-A8
and ground.
Does short exist?
YES
Repair short between P473-A8
and P766-4.
Go to paragraph 9–364.
NO
Go to step 3.
3. Check for short between P473-A2 and ground.
Does short exist?
YES
Go to step 16.
NO
Go to step 4.
4. Check for short between (A326)J6-A8 and
ground.
Does short exist?
YES
Go to step 5.
NO
Go to paragraph 9–364.
5. Detach P466. Check for short between
(A326)J6-A8 and ground.
Does short exist?
YES
Go to step 6.
NO
Go to step 10.
6. Check for short between P466-A17 and ground.
Does short exist?
YES
Go to step 9.
NO
Go to step 7.
7. Check for short between ground and P466-A4
and P466-A18.
Does short exist?
YES
Go to step 8.
NO
Go to paragraph 9–364.
