ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
h.
i.
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L
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2-58-3
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2-58-4
a.
FIGURE 2-16. Reverse Power Relay Test Set-up
Connect negative battery cable.
Start and operate generator set at rated frequency and voltage.
Move AC CIRCUIT INTERRUPTER switch to CLOSED position. AC CIRCUIT INTERRUPTER light should
light.
Adjust 5,000 ohm potentiometer clockwise and at the same time observe multimeter and AC CIRCUIT INTER-
RUPTER light. AC CIRCUIT INTERRUPTER light should go out at between 1.7 and 2.3 VDC indicating that AC
circuit interrupter relay is open.
Shut down generator set.
Disconnect negative battery cable.
Replace reverse power relay if operation is not as above.
Remove multimeter and test circuit wires. Reconnect wires 158B, 158C, 161A and 161 B at reverse power relay.
Raise and secure control panel.
Connect negative battery cable and dose battery access door.
Shut down generator set.
Open battery access door and disconnect negative battery cable.
Release control panel by turning two fasteners and lower control panel slowly.
Tag and disconnect reverse power relay (51, FIGURE 2-14) electrical leads.
Remove screws (50) and reverse power relay (51).
install reverse power relay (51, FIGURE 2-14) with screws (50).
2-95
