TM 9-2320-273-20
PANEL MOUNTED INSTRUMENTS.
5-61. LOW AIR PRESSURE INDICATOR LAMP MAINTENANCE (Continued).
LOCATION/ITEM
ACTION
REMARKS
B. INSTALLATION.
5. LOW AIR PRESSURE
Aline and press into
indicator lamp unit (4).
instrument panel.
6. Two wires (3).
Connect to LOW Al R
PRESSURE indicator
lamp unit (4).
7. Hinged instrument panel (2).
Raise into place.
8. Four quarter-turn
Tighten.
screws (1).
9. Batteries.
Connect per paragraph 5-37B.
C. OPERATIONAL CHECK.
10. Air pressure supply
Bleed off air pressure
reservoir.
(see TM 9-2320-273-10).
11. ENGINE RUN switch (5).
Turn on. Verify that LOW
AIR PRESSURE lamp comes
ON.
5-212