TM 1-1520-238-T-6
9–276
9–84.
PILOT COLLECTIVE STICK – DOES NOT EXTEND LANDING/SEARCH LIGHT
9–84
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. Check for 28 VDC at (A76)J1-V.
Is voltage present?
YES
Go to step 2.
NO
Go to paragraph 9–263 to
troubleshoot circuit protection
system (dc emergency bus –
pilot station).
2. Check for open between:
P463-V and J107-m,
DS11-1 and ground,
J107-k and DS11-6.
Does open exist?
YES
Repair open wire.
Go to paragraph 9–80.
NO
Go to step 3.
3. On pilot collective stick, set and hold
EXT/RET/L/R switch (S1) to EXT, check for
open between P107-m and P107-k.
Does open exist?
YES
Replace pilot EXT/RET/L/R
switch (S1)
(TM 1-1520-238-23).
NO
Replace landing/search light
(TM 1-1520-238-23).
END OF TASK
