TM 55-1520-240-23-9
11-277
BENCH TEST AFCS COMPUTER (AVIM)
(Continued)
11-277
532.
Set RESPONSE TEST MODE switch (43) to ON.
533.
Set DISCRETE SIGNALS LDG GEAR switch (47)
to 0. Read and record V4 AC/DC VOLTMETER
(10) reading.
534.
Set RESPONSE TEST STIM switch (44) to
APPLY. When HOLD lamp (45) comes on, read
and record V5 AC/DC VOLTMETER (10) reading.
535.
Calculate V6. Subtract reading of step 533 from
reading of step 534 (V6 = V5 - V4). Result shall
be +0.20 to +0.39 volt.
536.
Set RESPONSE TEST STIM switch (44) to
REMOVE.
537.
Set RESPONSE TEST MODE switch (43) to
OFF.
538.
Set ANALOG SIGNALS LONG CPT switch (58)
to 2.
539.
Set SERVO SIMULATION ACTUATOR
SIMULATION DASH switch (57) to TFI.
540.
Set CIRCUIT SELECT A UNITS switch (18) to 2.
541.
Set METER RANGE switch (7) to 20V. Wait
60 seconds. Read and record V7 AC/DC
VOLTMETER (10) reading.
542.
Set ANALOG SIGNALS PULSER STIM
switch (49) to 6. Read and record V8 AC/DC
VOLTMETER (10) reading.
543.
Calculate V9. Subtract reading of step 541 from
reading of step 542 (V9 = V8 - V7). Result shall
be -4.65 to -5.35 volts.
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