TM 55-1520-240-23-7
9-22
REMOVE ESSENTIAL DC BUS RELAY
9-22
INITIAL SETUP
Applicable Configurations:
All
Tools:
Electrical Repairers Tool Kit, NSN 5180-00-323-4915
Materials:
Paper Tags (E264)
Tape (E385)
Personnel Required:
Aircraft Electrician
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
1.
Release six fasteners (1) in upper circuit breaker
panel (2). Open panel.
2.
Tag 11 wires (3) on essential dc bus relay (4).
Remove eight nuts (5) and lockwashers (6).
Disconnect wires. Use tags (E264).
3.
Tape ends of wires (3). Use tape (E385).
4.
Remove four screws (7), washers (8), and relay
(4).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
9-65