TM 55-1520-240-23-9
11-277
BENCH TEST AFCS COMPUTER (AVIM) (Continued)
11-277
658.
Set RESPONSE TEST STIM switch (44) to
APPLY. When HOLD lamp (45) comes on,
read and record V13 AC/DC VOLTMETER (10)
reading.
659.
Calculate V14. Subtract reading of step 656 from
reading of step 658 (V14 = V13 - V12). Result
shall be +1.55 to +2.23.
660.
Set RESPONSE TEST STIM switch (44) to
REMOVE.
661.
Set RESPONSE TEST MODE switch (43) to
OFF.
662.
Set SERVO SIMULATION ACTUATOR
SIMULATOR CCD switch (67) to NORM.
663.
Set CIRCUIT SELECT A UNITS switch (18) to 6.
664.
Set METER switch (6) to AC.
665.
Set METER RANGE switch (7) to 2V. Wait 90
seconds. Read AC/DC VOLTMETER (10).
Reading shall be +0.250 or less.
666.
Set ANALOG SIGNALS BARO ALT switch (25)
to 3.
667.
Set SERVO SIMULATION ACTUATOR
SIMULATOR CCD switch (67) to GND.
668.
Set METER switch (6) to DC.
669.
Set CIRCUIT SELECT A UNITS switch (18) to
1. Read and record V15 AC/DC VOLTMETER
(10) reading.
11-1126.2
Change 1