TM 55-1520-240-23-9
11-280
AFCS INTERFACE TEST
(Continued)
11-280
TEST 4
ROLL ILCA AUTHORITY/PHASING TEST (BOTH)
16.
Set AFCS SYSTEM SEL switch (1) to 1 or 2.
(System under test.)
17.
Set AFCS line test set switches as follows:
a.
METER SOURCE switch (3) to ILCA DRIVE.
b.
MONITOR SELECT switch (4) to ROLL.
c.
MONITOR SELECT FDBK switch (5) to
SELF.
d.
ILCA DRIVE ROLL switch (10) to 0.
e.
HYDR VALVE switch (8) to OPEN.
18.
Set ILCA DRIVE ROLL switch (10) and
MONITOR SELECT FDBK switch (5) to positions
in Table 11-3. Read voltages on digital display
(6). (See Table 11-3.) Observe response of
actuator (11). (See Table 11-4.)
19.
Set ILCA DRIVE ROLL switch (10) to 0.
20.
Set HYDR VALVE switch (8) to CLOSE.
11-1174
