TM 55-1520-240-23-9
11-272
BENCH TEST AFCS CONTROL PANEL (AVIM)
(Continued)
11-272
TEST 2
RADAR ALTITUDE TEST
NOTE
Perform preliminary procedure before
test. (Refer to TM 55-4920-430-13.)
18.
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).
19.
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).
20.
Set AFCS SYSTEMS SEL switch (17) to 1.
21.
Press RAD ALT ENGAGED switch (19).
22.
Set CONTINUITY TEST TENS switch (20) to 00.
23.
Set CONTINUITY TEST UNITS switch (21) to
2. CONTINUITY TEST lamp (22) and RAD ALT
ENGAGED switch lamp (19) shall be on.
24.
Turn AFCS SYSTEMS SEL switch (17)
counterclockwise to OFF. CONTINUITY TEST
lamp (22) and RAD ALT ENGAGED switch lamp
(19) shall be off.
25.
Set AFCS SYSTEMS SEL switch (17) to BOTH.
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