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SECTION EG 60-5A

ENGINE

GOVERNING SYSTEMS

[ INTERNATIONAL

AGB 270/280

INSTALLATION AND ADJUSTMENTS

The leads from the speed control unit to the actuator 24 VOLT OPERATION

should be at least #18 for 24 volt and 32 volt and #16 Connect the following actuator terminals together with

wire for 12 volt operation. Large gauge wire is neces- jumpers at the mating half of the connector (See Figure

sary for long wire lengths to compensate for current 3).

losses. 1. B to C

2. A & D to their respective terminals at the control

12 VOLT OPERATION unit. (See Control unit instructions.)

Connect the following actuator terminals together with

jumpers at the mating half of the connector (See Fig- 32 VOLT OPERATION

ure 2). To use with 32 volt supply, wire the connector as for 24

1. A to C volt operation but add a 1.5 ohm, 25 watt resistor or a 2

2. B to D ohm, 50 watt adjustable resistor, set to 1.5 ohms. Then

3. A & D to their respective terminals at the speed wire the resistor in series with terminal A of the actuator

control unit. (See control unit instructions.) (see Figure 4).

12 VOLT

POWER SUPPLY

Figure 2. Wiring to AGB 270/280 actuator for 12 volt operation

(Actuator coils connected in parallel)

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Section EG 60-4

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