TM 55-1520-240-23-9
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BENCH TEST AFCS CONTROL PANEL (AVIM)
(Continued)
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TEST 3
BAROMETRIC ALTITUDE TEST
NOTE
Perform preliminary procedure before
test. (Refer to TM 55-4920-430-13.)
32.
Set TESTER POWER switch (1) to ON. The
following lamps shall be on.
a.
115V 400 HZ lamp (2).
b.
+28VDC lamp (3).
c.
+5VDC lamp (4).
d.
+15VDC lamp (5).
e.
-15VDC lamp (6).
33.
Set AFCS POWER switches (7 and 8) to ON.
The following lamps shall be on:
a.
115V 400 HZ lamp (9).
b.
+28VDC lamp (10).
c.
+5VAC lamp (11).
34.
Set AFCS SYSTEMS SEL switch (17) to 1.
35.
Press BARO ALT ENGAGED switch (23).
36.
Set CONTINUITY TEST TENS switch (20) to 00.
37.
Set CONTINUITY TEST UNITS switch (21) to 3.
Lamp (22) and BARO ALT ENGAGED switch
(23) lamp shall be on.
38.
Turn AFCS SYSTEMS SEL switch (17)
counterclockwise to OFF. CONTINUITY TEST
lamp (22) and BARO ALT ENGAGED switch (23)
lamp shall be off.
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