TM 55-1520-240-23-9
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AFCS INTERFACE TEST
(Continued)
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TEST 3
ROLL ILCA NULL TEST (BOTH)
11.
Set AFCS SYSTEM SEL switch (1) to 1 or 2.
(System under test.)
12.
Set AFCS line test set switches as follows:
a.
METER SOURCE switch (3) to ILCA DRIVE.
b.
MONITOR SELECT switch (4) to ROLL.
13.
Set MONITOR SELECT FDBK switch (5) to
SELF. Read digital display (6). Reading shall be
+0.10 to +0.10 VAC.
14.
Set MONITOR SELECT FDBK switch (5) to SUM
1. Read digital display (6). Reading shall be
-0.10 to +0.10 VAC.
15.
Set MONITOR SELECT FDBK switch (5) to SUM
2. Read digital display (6). Reading shall be
-0.10 to +0.10 VAC.
END ROLL ILCA NULL TEST (BOTH)
11-1173