ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
c.
2-56-3
a.
b.
c.
d.
e.
2-56-4
a.
b.
c.
d.
If no repair is needed reconnect wires as tagged..
Removal.
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 short circuit/overload relay (47, FIGURE 2-14) electrical leads.
Remove screws (46) and short circuit/overload relay (47).
Installation.
Install short circuit/overload relay (47, FIGURE 2-14) with screws (46).
Connect electrical leads and remove tags.
Raise and secure control panel.
Connect negative battery cable. Close battery access door.
2-57 PERMISSIVE PARALLELING RELAY.
2-57-1
a.
b.
2-57-2
a.
b.
c.
d.
e.
f.
g.
h.
i.
2-92
Inspection.
Shut down generator set.
Inspect relay for cracked casing, burned or broken terminals, and other damage.
Testing.
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.
Disconnect and insulate wires 102D from terminal 1, and 196A and 196B from terminal 2 of permissive parallel-
ing relay.
Mark a 10,000 ohm potentiometer as follows:
Center terminal = C
Two outside
terminals = L and R
Set up a test circuit as shown in FIGURE 2-15. Connect 120 VAC source (can be obtained from convenience
receptacle) to terminals L and R of potentiometer. Connect a wire from terminal C of potentiometer to terminal
1 of permissive paralleling relay. Connect a second wire from terminal R of potentiometer to terminal 2 of permis-
sive paralleling relay. Set multimeter for AC volts and connect to terminals 1 and 2 of permissive paralleling relay.
Adjust 10,000 ohm potentiometer to full counterclockwise position.
Connect negative battery cable.
Start and operate generator set at rated frequency and voltage. Multimeter indication should be 0 volts.
