ARMY TM 8-6115-642-24
AIR FORCE TO 35C23-455-12
MARINE CORPS TM 09247A/09248A-24/2
j.
Raise and secure control panel.
k. Connect negative battery cable and close access door.
2-26.3 Removal.
a.
Shut down generator set.
b. Open left side engine access door and disconnect negative battery cable.
c.
Remove control box top panel, paragraph 2-16.1.
d. Tag and disconnect DC CONTROL POWER circuit breaker (19, FIGURE 2-11) electrical leads.
e.
Remove nut (18) and remove DC CONTROL POWER circuit breaker(19) from control box.
2-26.4
a.
Insert DC CONTROL POWER circuit breaker (19, FIGURE 2-11) into control box with nut (18).
b. Connect electrical leads and remove tags.
c.
Install control box top panel, paragraph 2-16.4.
d. Connect negative battery cable and close access door.
2-27 AC VOLTAGE REGULATOR.
2-27.1
a.
b.
c.
d.
2-27.2
a.
b.
c.
d.
e.
f.
g.
2-52
Inspection.
Shut down generator set.
Release control panel by turning two fasteners and lower control panel slowly.
Inspect AC voltage regulator (21, FIGURE 2-11) for cracked case, broken wires, security, and other damage.
Raise and secure control panel.
Testing.
Shut down generator set.
Remove control box top panel, paragraph 2-16.1.
Note position of voltage reconnection switch.
Start generator set and turn VOLTAGE adjust potentiometer to verify adjustment ranges depending on position
of voltage reconnection switch shown in TABLE 2-9.
TABLE 2-9. Voltage Adjustment Range
VOLTAGE RECONNECTION
ADJUSTMENT
SWITCH POSITION
RANGE
120/208
205-220 VOLTS
120
114-126 VOLTS
120/240
228-252 VOLTS
Shut down generator set.
If no voltage or low voltage was indicated, or voltage adjustment range could not be achieved, perform the fol-
lowing steps. Othervise, AC voltage regulator is serviceable.
Disconnect wire 104C from terminal 6 of AC voltage regulator (21, FIGURE 2-11).
Installation.