TM 1-1520-238-T-7
11266
1146.
CPG BUCS FAIL INDICATOR IS NOT LIGHTED WITH CPG BUCS SELECT
1146
TRIGGER SWITCH PULLED
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairers
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
One person to assist
References:
TM 1-1520-238-T-6
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.
To prevent the possibility of shorting,
use extreme care when checking
voltage at mass termination
connectors. Failure to do so could
result in damage to equipment or
possible injury to personnel.
1. With CPG BUCS select trigger switch pulled,
check for 28 VDC between J164B4 and
J164B5.
Is voltage present?
YES
Refer to TM 1-1520-238-T-6 to
troubleshoot pilot
caution/warning system.
NO
Go to step 2.
2. Check for open between:
P31t and P20 SP1,
P31t and P683115,
P31E and J166B4,
P31F and J166B5.
Does open exist?
YES
Repair open wire.
Go to paragraph 1123.
NO
Refer to TM 1-1520-238-T-6 to
troubleshoot pilot
caution/warning system.
END OF TASK