TM 1-1520-238-T-7
Change 5
11–417
11–119. MAN STAB AND MASTER CAUTION INDICATORS – DO NOT FLASH
11–119
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairer’s
Multimeter, Digital
AN/PSM-45
Extractor, Relay
CTJ-RO6
Personnel Required:
68X
Armament/Electrical Systems Repairer
One person to assist
References:
TM 1-1520-238-T-6
TM 1-1520-238-23
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Access provisions –
L200 cover removed
and L295 and L325
doors open
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. Open STAB MAN DC (A76)CB6, STAB AUTO
DC (A76)CB3, STAB AUTO AC (A76)CB2, and
ENG WARN (A76)CB52 circuit breakers. Detach
P1077 from (A329)J1.
Check for continuity between J1077–R and
(A329)TB1–3–D.
Does continuity exist?
YES
Go to step 3.
NO
Go to step 2.
2. Check for open between (A329):
J1–R and XK1–7–B3,
XK1–7–B2 and TB1–3–D.
Does open exist?
YES
Repair open wire.
Go to paragraph 11–88.
NO
Replace APPROACH 1 LIGHT
relay (A329)K1–7
(TM 1-1520-238-23).
3. Detach J908. Check for open between:
P1077–R and J908–A5.
Does open exist?
YES
Repair open wire.
Go to paragraph 11–88.
NO
Troubleshoot caution/warning
system (TM 1-1520-238-T-6).
END OF TASK
