TM 55-1520-240-23-7
9-111.1
REPLACE UTILITY LIGHT LAMP OR LENS
9-111.1
INITIAL SETUP
Applicable Configurations:
All
Tools:
Snap Ring Pliers
Materials:
None
Parts:
Lamp
Lens
Personnel Required:
Aircraft Electrician
Inspector
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
or lens in overhead panel lights
or maintenance panel light, for
helicopters with or without 17 .
Replacement of overhead panel light
lamp or lens is shown here.
WITHOUT 17
1.
Remove snap ring (1) from adjustable housing
(2). Remove lens (3). Use snap ring pliers.
2.
Turn housing (2) until lamp (4) is fully extended.
3.
Replace lamp (4).
4.
Turn housing (2) to retract lamp (4).
5.
Install lens (3) and ring (1) in housing (2).
9-434
