TM 55-1520-240-23-7
9-124.1
LIGHT LEAK TEST
9-124.1
INITIAL SETUP
Applicable Configurations:
With 17 and 74
Tools:
Electrical Repairer’s Tool Kit, NSN 5180-00-323-4915
Materials:
None
Personnel Required:
Aircraft Electrician
Inspector
References:
TM 11-1520-240-23
TM 55-1520-240-T
Equipment Condition:
Battery Connected (Task 1-39)
NO. 2 AC BUS TIE Circuit Breaker Closed
DC 2 CROSS TIE Circuit Breaker Closed
NO. 2 XFMR RECT Circuit Breaker Closed
NO. 2 REV CUR CO Circuit Breaker Closed
NO. 2 DC BUS CONT Circuit Breaker Closed
NO. 1 AC BUS TIE Circuit Breaker Closed
DC 1 CROSS TIE Circuit Breaker Closed
NO. 1 XFMR RECT Circuit Breaker Closed
NO. 1 REV CUR CO Circuit Breaker Closed
NO. 1 DC BUS CONT Circuit Breaker Closed
EXT PWR CONT Circuit Breaker Closed
CONT AC Circuit Breaker Closed
ESS BUS FEED Circuit Breaker Closed
CAUTION PNL Circuit Breaker Closed
XMSN OIL TEMP Circuit Breaker Closed
Battery Switch ON
External AC Power Applied (Task 1-37)
Cockpit Windows Covered With Blanket
Master Caution Panel NVG Filter Installed Without 74
Pilot’s and Copilot’s Master Caution Indicator
NVG Filters Installed
Engine 1 and Engine 2 Fire Handle NVG Filters
Installed
Passageway Blackout Curtain Closed
9-476
