ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
2-30-2
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
I.
m.
n.
2-30-3
a.
b.
c.
d.
e.
f.
2-30-4
a.
b.
c.
d.
e.
Testing.
Shut down generator set.
Open battery access door and disconnect negative battery cable.
Release control panel by turning two fasteners and lower control panel slowly.
Tag and disconnect wire 120A from positive terminal of kilowattmeter (PERCENT POWER).
Set multimeter for milliamperes and connect between disconnected wire 120A and positive terminal
of kilowattmeter.
Connect negative battery cable, start and operate generator set at rated voltage and frequency.
Apply some load to generator set.
Observe and note indications on multimeter and kilowattmeter.
Shut down generator set.
Calculate the percent of power from multimeter indication using the following formula:
Percent of power =
133 x Multimeter indication
1.2 Ma.
Compare calculated percent of power to kilowattmeter indication noted during operation. If difference
is greater than 13%. replace kilowattmeter (PERCENT POWER).
Disconnect negative battery cable.
Remove multimeter and connect wire 120A to kilowattmeter (PERCENT POWER).
Raise and secure control panel.
Connect negative battery cable and close battery access door.
Removal.
Shut down generator set.
Open battery access door and disconnect negative battery cable.
Release control panel by turning two fasteners and lower control panel slowly.
Tag and disconnect kilowattmeter (PERCENT POWER) (27, FIGURE 2-12) electrical leads.
Remove nuts (25), washers (36), and screws (26).
Remove kilowattmeter (PERCENT POWER) (27) from control panel.
Installation.
Insert kilowattmeter (PERCENT POWER) (27, FIGURE 2-12) into control panel.
Install screws (26), washers (36), and nuts (25).
Connect electrical leads and remove tags.
Raise and secure control panel.
Connect negative battery cable. Close battery access door.
2-64 Change 1
