TM 1-1520-238-T-7
11–428
Change 5
11–127. MAN STAB MOVES UP BUT NOT DOWN
11–127
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. Open STAB MAN DC (A76)CB6, STAB AUTO
DC (A76)CB3, STAB AUTO AC (A76)CB2, and
ENG WARN (A76)CB52 circuit breakers.
Check for open between (A329):
TB1–5–F and TB1–1/2–B.
Does open exist?
YES
Repair open wire.
Go to paragraph 11–88.
NO
Go to step 2.
2. Set multimeter to diode setting. Place black
meter lead on (A329)TB1–1/2–G. Check for
open between (A329):
TB1–1/2–B and TB1–1/2–G.
Does open exist?
YES
Repair open wire,
Go to paragraph 11–88, or
replace diode
(TM 1-1520-238-23).
NO
Repair open wire between
(A329):
TB1–1/2–G and TB1–3–E.
Go to paragraph 11–88.
END OF TASK
