ARMY TM 9-6115-645-24
AIR FORCE TO 35C2-3-444-12
MARINE CORPS TM 09244A/09245A-24/2
2-59.3 Removal.
a.
Shut down 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.
d.
Release wire dip (52, FIGURE 2-14) and remove voltage sensing relay (53) by gently pulling from socket
2-59.4
Installation.
a.
Install voltage sensing relay (53, FIGURE 2-14) in socket and secure by snapping wire dip (52) over relay.
b.
Raise and secure control panel.
c.
Connect negative battery cable and dose battery access door.
2-60
RFLAYS.
2-60.1
Inspection.
a.
Shut down generator set.
b.
Inspect relays for cracks, loose mounting, and other damage.
2-60.2
Testing.
a
Shut down generator set.
b.
Remove applicable relay, paragraph 2-60.3.
c.
Set multimeter for ohms and check for open circuits between terminals 7 and 4, 8 and 5, and 9 and 6. Check
for dosed circuits between terminals 7 and 1, 8 and 2, and 9 and 3.
d.
Connect multimeter between terminals A and B, and check for between 427.5 and 522.5 ohms.
e.
Apply battery voltage across terminals A and B. using multimeter, check for open circuits between terminals 7
and 1, 8 and 2, and 9 and 3. Check for dosed circuits between terminals 7 and 4, 8 and 5 and 9 and 6.
f.
If indications are other than above, relay is defective and must be replaced.
g.
If no repair is needed, install relay, paragraph 2-60.4.
2-60.3
Removal.
a.
Shut down 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.
d.
Locate suspected defective relay (54, FIGURE 2-14), release wire dip (52) and remove relay by gently pulling
from socket
2-60.4
Installation.
a.
Install relay (54, FIGURE 2-14) in socket and secure by snapping wire dip (52) over relay.
b.
Raise and secure control panel.
c.
Connect negative battery cable. Close battery access door.
2-61
GOVFRNOR CONTROL UNIT.
2-61.1
Inspection.
a.
Shut down generator set.
b.
Inspect governor control unit for loose connections and mounting, and other damage.
Change 2 2-91