ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
f.
g.
h.
i.
2-54-3
a.
b.
c.
d.
e.
f.
2-54-4
a
b.
c.
d.
e.
Replace shunt if multimeter indication is greater than above.
If no repair is needed, connect electrical leads to shunt (43) and remove tags.
Install control box top panel, paragraph 2-15-4.
Connect negative battery cable and dose battery access door.
Removal.
Shut down generator set.
Open battery access door and disconnect negative battery cable.
Remove control box top panel, paragraph 2-15-1.
Tag and disconnect shunt (43, FIGURE 2-14) electrical leads.
Remove control box assembly, paragraph 2-19-2.
Remove screws (41), nuts (42) and shunt (43).
Install shunt (43, FIGURE 2-14) and secure with screws (41) and nuts (42).
Install control box assembly, paragraph 2-19-4.
Connect all electrical leads and remove tags.
Install control box top panel, paragraph 2-15-4.
Connect negative battery cable. Close battery access door.
2-55
OVER/UNDER VOLTAGE RELAY.
2-55-1 Inspection.
a. Shutdown generator set.
b. Inspect relay for cracked casing, burned or broken terminals, and other damage.
2-55-2 Testing.
a. Shutdown generator set.
b. Open battery access door and disconnect negative battery cable.
c.
Release control panel by turning two fasteners and lower control panel slowly.
CAUTION
The following procedure disables voltage regulator and allows generator to reach an
overvoltage condition. Do not allow generator set to operate for an extended period of
time in an extreme overvoltage condition,
d. Disconnect wire 137A from AC voltage regulator, terminal 5, and insulate wire end.
e. Connect negative battery cable.
2-90