TM 1-1520-238-T-6
9–631
9–328. PILOT CIRCUIT BREAKER EDGE-LIGHT PANELS – DO NOT LIGHT
9–328
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairer’s
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
One person to assist
References:
TM 1-1520-238-23
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.
1. On pilot EXT LT/INTR LT panel, set L CSL
control to BRT. Check for 5 VDC at P463-DD.
Is voltage present?
YES
Go to step 3.
NO
Go to step 2.
2. Check for open between:
P463-DD and P109-AA,
P463-EE and P109-EE.
Does open exist?
YES
Repair open wire.
Go to paragraph 9–326.
NO
Go to paragraph 9–113 to
troubleshoot pilot edge-lights.
3. Attach P463. Check for 5 VDC at (A76)S1-2.
Is voltage present?
YES
Go to step 4.
NO
Repair open wire between
(A76):
J1-DD and S1-2.
Go to paragraph 9–326.
4. Check for 5 VDC at (A76)S1-3.
Is voltage present?
YES
Repair open wire between
(A76):
S1-3 and XDS3-HI,
XDS3-HI and XDS2-HI,
XDS2-1 and XDS1-HI.
Go to paragraph 9–326.
NO
Replace pilot EDGE LT PNL
switch (A76)S1
(TM 1-1520-238-23).
END OF TASK
