TM 1-1520-238-T-5
8159
887.
CPG SDD PANEL DOES NOT INDICATE ENGINE 1 AND/OR ENGINE 2 NG % RPM
887
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairers
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
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. Detach P75. Check for short between:
P671 and P672,
P671 and ground,
P672 and ground.
Does open exist?
YES
Repair shorted wire between:
P7526 and P671,
P7527 and P672.
Go to paragraph 810.
NO
Go to step 2.
2. Check for open between:
P7526 and P671,
P7527 and P672.
Does open exist?
YES
Repair open wire.
Go to paragraph 810.
NO
Replace CPG SDD panel.
(TM 1-1520-238-23).
END OF TASK