ARMY TM 9-6115-641-24
AIR FORCE TO 35C2-3-456-12
2-26-2. Testing - Continued
k.
Connect negative battery cable and close access door
2-26-3. Removal.
a.
Shut down generator set.
b.
C.
d.
e.
2-26-4.
a.
b.
C.
Open left side engine access door and disconnect negative battery cable
Remove control box top panel, paragraph 2-16-1
Tag and disconnect DC CONTROL POWER circuit breaker (19, Figure 2-11) electrical leads
Remove nut (18) and remove DC CONTROL POWER circuit breaker (19) from control box
Installation
Insert DC CONTROL POWER circuit breaker (19, Figure 2-11) into control box with nut (18).
Connect electrical leads and remove tags.
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. Inspection.
a.
Shut down generator set.
b
Release control panel by turning two fasteners and lower control panel slowly.
C.
Inspect AC voltage regulator (21, Figure 2-11) for cracked case, broken wires, security, and other damage.
d.
Raise and secure control panel.
2-27-2. Testing.
a.
Shut down generator set.
b.
Remove control box top panel. paragraph 2-16-1.
C.
Note position of voltage reconnection switch.
d.
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
e.
Shut down generator set
f.
If no voltage or low voltage was Indicated, or voltage adjustment range could not be achieved, perform the fol-
lowing steps. Otherwise, AC voltage regulator is serviceable.
g.
Disconnect wire 104C from terminal 6 of AC voltage regulator (21, Figure 2-11)
h.
Set multimeter to DC volts and connect positive lead of multimeter, to wire 104C. Connect negative lead of
multimeter to terminal 5 of AC voltage regulator, Start generator set and operate at rated frequency. Move and
hold MASTER SWITCH in START position. Multimeter should indicate approximately 8 VDC.
i.
Shut down generator set
2-53
