TM 55-1520-240-23-9
11-280
AFCS INTERFACE TEST
(Continued)
11-280
TEST 25
LEFT LANDING GEAR PROXIMITY SWITCH TEST
(SYSTEM 1)
159.
Set AECS SYSTEM SEL switch (1) to 1. (System
under test.)
160.
Set METER SOURCE switch (3) to DISCRETE
MON.
161.
Set DISCRETE SIGNAL MONITOR switch (34)
to SEL 1.
162.
Set SIGNAL SEL 1 switch (54) to L LDG GEAR
ON GND. STATUS A light (37) shall come on.
Read digital display (6). Reading shall be +11.0
to +13.0 VDC.
END LEFT LANDING GEAR PROXIMITY
SWITCH TEST (SYSTEM 1)
11-1198