TM 55-1510-219-CL
nunciator panels illuminate, FIRE PULL handle lights, marker beacon
lights, MASTER CAUTION and MASTER WARNING lights are on.
Release switch and check that all lights except those in step 1 are
extinguished.
3. MASTER CAUTION and MASTER WARNING lights - Press. Both lights
extinguish.
4. Stall and gear warning system - TEST. Check that warning horn sounds
and that the LDG GEAR CONTR handle lights (2) illuminate.
FIRE PROTECTION SYSTEM
1. Fire detector test switch - Rotate counterclockwise to check three DETR
positions. FIRE PULL handles should illuminate in each position. Reset
MASTER WARNING in each position.
2. Fire detector test switch - Rotate counterclockwise to check two EXTGH
positions. SQUIB OK light, associated EXTGH DISCH caution light and
MASTER CAUTION LIGHT should illuminate in each position.
INERTIAL NAVIGATION SYSTEM ALIGNMENT
1. Exterior power 28V DC - Connected.
2. Key lock switch - ON.
3. Battery switch - ON.
4. Aircraft inverters - ON.
5. Mission inverters - ON.
6. Mission control switch - As required.
7. 3 phase A.C. bus - RESET.
(Check inertial cooling for ON.)
8. Aircraft master avionics switch - EXTERNAL POWER.
P-3
