ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
a. Shutdown generator set.
b. Open output box access door.
c.
Inspect droop current transformer (8, FIGURE 2-28) for cracked housing, security, broken wire terminals, loose
or missing hardware, and other damage.
d. Close output box access door.
2-100 POWER POTENTIAL TRANSFORMER
2-100-1 Inspection.
a. Shutdown generator set.
b. Open output box access door.
c.
Inspect power potential transformer (9, FIGURE 2-28) for security, cracked housing, broken wire terminals,
loose or missing hardware, and other damage.
d. Close output box access door.
2-101 AC CIRCUIT INTERRUPTER RELAY.
2-101-1
a.
b.
c.
d.
2-101-2
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
2-144
Inspection.
Shut down generator set.
Open output box access door.
Inspect AC circuit interrupter relay (14, FIGURE 2-28) for security, cracked housing, broken wire terminals, and
other damage.
Close output box access door.
Testing.
Shut down generator set.
Open battery access door and disconnect negative battery cable.
Open output box access door.
Set multimeter for ohms and check for open circuits between terminals A1 and A2, B1 and B2, C1 and C2, and
11 and 12.
Connect jumper wire from cranking relay terminal A1 to AC circuit interrupter relay terminal X.
Connect negative battery cable.
Check for closed circuits (continuity) between terminals A1 and A2, B1 and B2, C1 and C2, and 11 and 12.
Disconnect negative battery cable.
Replace AC circuit interrupter relay if indications are other than above.
If replacement is not needed, remove jumper wire end close output box access door.
Close output box access door.
Connect negative battery cable and close battery access door.
