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ACTR POSN Simulator
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TM-1-6625-735-14 Test Set Stabilization System P/N 70700-20650-050 Manual
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FINAL PROCEDURES.
TM 1-6625-735-14
b.
Do performance check per paragraph
Adjustments.
ROLL ATT Alignment.
WARNING
Performance Check.
115 vac is very close to synchro.
a.
Connect equipment as shown in Figure
NOTE
b.
Adjust ratio transformer dials to .000000.
ROLL ATT synchro is located on the
ROLL ATT synchro transmitter and is
c.
Place ROLL ATT synchro transmitter to
inside the test set.
909 marking, and ROLL ATT mode selector control to
SIM 1.
a.
Turn off ac power.
d.
Adjust ROLL ATT synchro transmitter to
b.
Remove screws, then remove test set from
obtain the minimum amplitude, or null condition on
its case see Figure 5-13.
ac voltmeter. If indicator does not have index marker
0 6 0.2 (one minor division on outer dial equals
c.
Connect equipment as shown in Figure
e.
Move B4 test lead from ROLL ATT SIM
d.
Loosen three Allen screws holding ROLL
Z to ROLL ATT SIM Y.
ATT synchro.
f.
Move B5 test lead from ROLL ATT SIM X
e.
Turn on ac power
to ROLL ATT SIM Z test point.
f.
Adjust ratio transformer dials to .000000.
g.
Move ac voltmeter lead that was originally
connected to ROLL ATT SIM Y and move to ROLL
g.
Place ROLL ATT (Synchro transmitter
ATT SIM X.
control) to 0.
h.
Adjust ratio transformer controls to
h.
Turn synchro body to obtain null indica-
1.000000.
tion on Voltmeter.
i.
Place ROLL ATT synchro transmitter to
i.
Tighten three Allen screws.
180.
j.
Adjust ratio transformer dials to 1.000000.
j.
Adjust ROLL ATT synchro control to
obtain minimum amplitude, or null condition on AC
k.
Connect B4 test lead to Y test point.
Voltmeter. If ROLL ATT control does not indicate
180 6 0.2, go to paragraph 5.26.11.2.
l.
Connect B5 test lead to Z test point.
k.
Perform checks using equipment connec-
m.
Connect positive lead of ac voltmeter to X
tions and ratio transformer setting as shown in Table
test point.
5-4. ROLL ATT Synchro Performance Check. ROLL
n.
Adjust ROLL ATT (Synchro transmitter
ATT synchro transmitter indications shall be within
control) for full null indication on ac voltmeter.
the limits indicated.

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