TM 1-1520-238-23
12-67
12.20.
APU FIRE PANEL INDICATOR REPLACEMENT (AVIM) - continued
12.20.4. Cleaning
a. Wipe attaching parts with a clean rag.
12.20.5. Inspection
a. Check panel for nicks, dents, or cracks (para
12.16).
b. Check switches for loose terminals, cracks,
and signs of overheating (para 12.16).
c. Check attaching parts for corrosion (para
1.49).
12.20.6. Installation
a. Install new indicator (2) on panel (4).
(1) Install spacer (7) on indicator (2).
(2) Install indicator (2) through opening in panel
(4).
(3) Install sleeve (8) on indicator (2).
(4) Tighten two screws (6).
(5) Install lens (5).
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