You have completed the azimuth angle data resolver alignment.

Minimum amplitude

the

sine

wave

the

displayed.

(7) Disconnect oscilloscope.

c. Reinstall the synchro housing (Figure 66).

d. Place the switches and circuit breakers on the control-monitor C-

2124A/FPN-33 as shown in Figure 9.

(1) Place SCAN switch to ON.

(2) Place the following circuit breakers to ON.

(a) Actuator CB-4209.

(b) POS motor CB-4208.

e. Place REMOTE-LOCAL switch to REMOTE.

You have completed the azimuth angle data resolver alignment.

The

azimuth angle data voltage now correctly represents the position of the

azimuth antenna during precision scan.

Now, use this checklist

review

the

location

the

following

components and controls.

Azimuth antenna AS-1079/FPN-40 (Figure 5).

Actuator CB-4209 (Figure 9).

POS motor CB-4208 (Figure 9).

Scan motor CB-5=4205 (Figure 9).

Retaining screws of the synchro housing (Figure 66).

Azimuth angle data resolver (B-3405)

the

antenna

pedestal

subassembly AB-642/FPN-40 (Figure 67).

S1 terminal on the azimuth angle data resolver (B-3405) (Figure 67).

Clamps on the azimuth angle data resolver (B-3405) (Figure 67).