ARMY TM 9-6115-645-24
AIR FORCE TO 35C2-3-444-12
MARINE CORPS TM 09244A/09245A-24/2
b.
Open battery access door and disconnect negative battery cable.
c.
Remove control box assembly, paragraph 2-19.2.
d.
Remove output box top panel, paragraph 4-8.1, step I
e.
Open right side engine access doors, tag and disconnect electrical leads from battery charging alternator,
starter solenoid, starter, fuel level sender, fuel float module, and ether solenoid valve.
f.
Open left side engine access doors, tag and disconnect electrical leads from coolant high temperature switch,
DEAD CRANK switch, low oil pressure switch, oil pressure sender, governor actuator, fuel injection pump,
coolant temperature sender, magnetic pickup, and auxiliary fuel pump.
g.
Open output box access door, remove screws (4, FIGURE 4-5), and cover (5) from AC circuit interrupter relay
(40). Tag and disconnect electrical leads from cranking relay (43), current transformer (31), AC circuit
interrupter relay (40), power potential transformer (37), and voltage reconnection board (18).
h.
Tag and disconnect electrical leads for droop current transformer (34) from terminal board (25).
i.
Remove screws (24) and nuts (23) securing terminal boards (25) and (26) in output box.
j.
Remove all damps securing output box harness to generator set.
k
Remove output box harness (27) from output box and generator set.
4-10.3
Testing.
a.
Set multimeter for ohms.
b.
Check individual wires, connectors, and terminal boards for continuity. Refer to Wiring Diagram FO-2 for wire
identification.
4-10.4
Repair.
a.
Replace damaged cable assemblies, terminals, connectors, sockets, and terminal boards.
b.
Replace wires with damaged insulation and those that do not indicate continuity.
4-10.5
installation.
a
Position output box harness (27, FIGURE 4-5) in output box and generator set.
b.
Install all clamps, as removed, securing output box harness in generator set.
c.
Secure terminal boards (25) and (26) in output box with screws (24) and nuts (23).
d.
Connect electrical leads for droop current transformer (34) to terminal board (25) and remove tags.
e.
Connect electrical leads to AC circuit interrupter relay (40), current transformer (31), cranking relay (43),
power potential transformer (37), and voltage reconnection board (18). Remove tags, install cover (5) on AC
circuit interrupter relay (40), and dose output box access door.
f.
On left side of engine connect electrical leads to auxiliary fuel pump, magnetic pickup, coolant temperature
sender, governor actuator, fuel injection pump, oil pressure sender, low oil pressure switch, DEAD CRANK
switch, and coolant high temperature switch. Remove tags and close left side engine access doors.
g.
On right side of engine connect electrical leads to ether solenoid valve, fuel float module, fuel level sender,
starter motor, starter solenoid, and battery charging alternator. Remove tags and close right side engine
access doors.
h.
Install output box top panel, paragraph 4-8.2, step j
i.
Install control box assembly, paragraph 2-19.4.
j.
Connect negative battery cable and dose battery access door.
4-11
CURRENT TRANSFORMER.
4-11.1 Removal.
a.
Shut down generator set.
b.
Open battery access door and disconnect negative battery cable.
c.
Remove control box assembly, paragraph 2-19.2.
Change 2 4-17
