Figure 8-15. Voltage regulator adjustment (sheet 5 of 5).

TM 10-3930-242-34

1. CONNECT THE REGULATOR AS SHOWN ABOVE.

2. POLARIZE THE GENERATORBY DISCONNECTING THE LINK IN THE FIELD CIRCUIT AT THE

ADAPTER, AND MOMENTARILY CONNECTING AJUMPER BETWEEN THE TERMINAL CONNECTED

TO THE GENERATOR FIELD AND THE BAT TERMINAL. RECONNECT THE LINK IN THE FIELD

CIRCUIT.

3. START THE UNIT AND SLOWLY INCREASE THE SPEED. THE CUTOUT RELAY CONTACTS

SHOULD CLOSE AT 26.0 VOLTS.

4. TURN THE CLOSING VOLTAGE ADJUSTING SCREW CLOCKWISE TO INCREASE THE CLOSING

VOLTAGE AND COUNTERCLOCKWISE TO DECREASE THE CLOSING VOLTAGE.

5. STOP THE UNIT.

ME 3930-242-34/3-15

Figure 8-15. Voltage regulator adjustment (sheet 5 of 5).