TM 55-1520-240-23-7
9-109
REPLACE COCKPIT DOME LIGHT LAMP
9-109
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Materials:
None
Parts:
Lamp, Red
Lamp, Clear
Personnel Required:
Medium Helicopter Repairer
References:
TM 55-1520-240-23P
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
NOTE
Procedure is same to replace lamp in
either cockpit dome light.
Without 17 , light has one clear, one
red lamp.
With 17 , light has two clear lamps
and a blue NVG filter which cobers
one.
1.
Remove six lens retaining screws (1). Remove
retainer (2), lens (3), gasket (4), and NVG filter
(4.1), if installed.
2.
Remove defective lamp (5 or 6).
3.
Install new lamp (5 or 6).
4.
Install gasket (4), NVG filter (4.1), if installed,
lens (3), retainer (2), and six screws (1).
INSPECT
FOLLOW-ON MAINTENANCE:
Perform operational check of cabin lighting (TM
55-1520-240-T).
END OF TASK
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