TM 55-1520-240-23-7
9-101.1
REMOVE OVERHEAD PANEL LIGHTING POTENTIOMETER, LIGHTING CONTROL
TRANSFORMER, OR ROTARY SWITCH
9-101.1
INITIAL SETUP
Applicable Configurations:
With 17
Tools:
Electrical Repairer’s Tool Kit, NSN 5180-00-323-4915
Soldering Gun
Materials:
Paper Tags (E264)
Tape (E395)
Personnel Required:
Aircraft Electrician
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
NOTE
Procedure is similar to remove control
transformers from PLT LTG, LTG, or
CPLT LTG panels. Removal of PLT
LTG panel control transformer and
INTR LTG resistor is shown here.
1.
Remove two bolts (1) and washers (2) from
overhead panel (3). Lower panel.
LTG CONTROL TRANSFORMER
2.
Identify six wires (4) of PLT LTG panel (5). Use
tags (E264). Remove nuts (6) and washers (7)
from two control transformers (8).
3.
Remove six wires (4). Cover wire ends. Use
tape (E395).
4.
Identify wire (9). Use tag (E264), Unsolder wire
end (10) from terminal (11). Cover wire end. Use
tape (E395).
5.
Identify wire (12) Use tag (E264). Remove screw
(13) and washer (14) from light housing (15).
6.
Remove wire (12). Cover wire end. Use tape
(395).
9-404
