TM 55-1520-240-23-7
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REMOVE INSTRUMENT TRANSFORMER
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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
NOTE
Procedure is same to remove No.
1 or No. 2 instrument transformer.
Removal of No. 1 instrument
transformer is shown here.
1.
Release six fasteners (1) in upper circuit breaker
panel (2). Open panel.
2.
Tag three wires (3) on No. 1 instrument
transformer (4).
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