TM 55-1520-240-23-9
11-277
BENCH TEST AFCS COMPUTER (AVIM)
(Continued)
11-277
256.
Set RESPONSE TEST TIME DELAY-SEC
switches (40) to 12.0.
257.
Set RESPONSE TEST MODE switch (43) to ON.
258.
Hold DISCRETE SIGNALS ROLL BEEP TRIM
switch (36) to LEFT.
259.
Set RESPONSE TEST STIM switch (44) to
APPLY. When HOLD lamp (45) comes on,
release DISCRETE SIGNALS ROLL BEEP TRIM
switch (36) to OFF. Read and record V11 AC/DC
VOLTMETER (10) reading.
260.
Set RESPONSE TEST STIM switch (44) to
REMOVE.
261.
Set RESPONSE TEST MODE switch (43) to
OFF.
262.
Set DISCRETE SIGNALS CYCLIC BRAKE
switch (27) to 1 momentarily and then to 0.
263.
Set RESPONSE TEST MODE switch (43) to ON.
Wait 30 seconds.
264.
Hold DISCRETE SIGNALS ROLL BEEP TRIM
switch (36) to RIGHT.
265.
Set RESPONSE TEST STIM switch (44) to
APPLY. When HOLD lamp (45) comes on,
release DISCRETE SIGNALS ROLL BEEP TRIM
switch (36) to OFF. Read and record V12 AC/DC
VOLTMETER (10) reading.
266.
Set RESPONSE TEST STIM switch (44) to
REMOVE.
267.
Calculate Rate R. Subtract reading of step 259
from reading of step 265 and divide by 24, (R =
V12 - V11) ÷ 24. Rate R shall be 0.20 to 0.30
vdc/sec.
11-1095
