TM 55-1520-240-23-9
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BENCH TEST AFCS COMPUTER (AVIM)
(Continued)
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135.
Set RESPONSE TEST STIM switch (44) to
REMOVE.
136.
Set RESPONSE TEST TIME DELAY-SEC
switches (40) to 10.0. Wait 60 seconds.
137.
Set RESPONSE TEST STIM switch (44) to
APPLY. When HOLD lamp (45) comes on, read
AC/DC VOLTMETER (10). Reading shall be
+3.08 to +4.44.
138.
Set RESPONSE TEST STIM switch (44) to
REMOVE.
139.
Set RESPONSE TEST MODE switch (43) to
OFF.
140.
Set ANALOG SIGNALS PITCH RATE switch (46)
to 1. Wait 60 seconds.
141.
Set CIRCUIT SELECT A UNITS switch (18)
to 9. Read and record V1 reading on AC/DC
VOLTMETER (10).
142.
Set ANALOG SIGNALS ATT SELECT switch
(37) to ROLL.
143.
Set ANALOG SIGNALS YAW RATE switch (34)
to 4.
144.
Set ANALOG SIGNALS ATT synchro (38) to
45º. Read and record V2 reading on AC/DC
VOLTMETER (10).
145.
Calculate V3. Subtract reading in step 141 from
reading in step 144 (V3 = V2 -V1). Result shall
be +2.16 to +3.02 volts.
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