TM 55-1520-240-23-9
11-277
BENCH TEST AFCS COMPUTER (AVIM) (Continued)
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TEST 6
YAW AXIS TEST
NOTE
Perform preliminary procedure before
test. (Refer to TM 55-4920-430-13.)
348.
Set METER switch (6) to DC.
349.
Set METER RANGE switch (7) to 2V.
350.
Set CIRCUIT SELECT TENS switch (8) to 30.
351.
Set CIRCUIT SELECT A UNITS switch (18) to 0.
352.
Set CIRCUIT SELECT A/B SELECT switch (9) to
A. Measure and record V1 AC/DC VOLTMETER
(10) reading. Reading shall be -1.31 to +1.31.
353.
Set RESPONSE TEST MODE switch (43) to ON.
354.
Set ANALOG SIGNALS ALL SELECT switch
(37) to HDG.
355.
Set DISCRETE SIGNALS CYCLIC BRAKE
switch (27) to 1.
356.
Set RESPONSE TEST TIME DELAY-SEC
switches (40) to 0.2.
357.
Set ANALOG SIGNALS DIR CPT switch (33)
to 2.
358.
Set METER RANGE switch (7) to 20V. Read and
record V2 AC/DC VOLTMETER (10) reading.
359.
Set RESPONSE TEST STIM switch (44) to
APPLY. When HOLD lamp (45) comes on, read
and record V3 AC/DC VOLTMETER (10) reading.
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