ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
i.
Calculate the percent of power from multimeter indication using the following formula:
Percent of power =
133 x Multimeter indication
1.2 Ma.
j.
Compare calculated percent of power to kilowattmeter indication noted during operation If difference is greater
than 13%, replace kilowattmeter (PERCENT POWER).
k. Disconnect negative battery cable.
I.
Remove multimeter and connect wire 120A to kilowattmeter (PERCENT POWER).
m. Raise and secure control panel.
n. Connect negative battery cable and close battery access door.
2.30.3. 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. Tag and disconnect kilowattmeter (PERCENT POWER) (27, FIGURE 2-12) electrical leads.
e. Remove nuts (25), washers (37), and screws (26)
f.
Remove kilowattmeter (PERCENT POWER) (27) from control panel.
2.30.4.
Installation.
a. Insert kilowattmeter (PERCENT POWER) (27, FIGURE 2-12) into control panel
b. Install screws (26), washers (37), and nuts (25).
c. Connect electrical leads and remove tags.
d. Raise and secure control panel.
e. Connect negative battery cable. Close battery access door.
2.31.
AC VOLTMETER (VOLTS AC).
2.31.1.
Inspection.
a. Shut down generator set.
b.
Inspect AC Voltmeter (VOLTS AC) for broken lens, cracked housing, and other damage
2.31.2.
Testing.
a. Shut down generator set.
b.
Release control panel by turning two fasteners and lower control panel slowly.
c.
Set multimeter for AC volts and connect to AC Voltmeter (VOLTS AC) terminals.
d. Move voltage reconnection board to 120/208 position.
e. Start and operate generator set at rated voltage and frequency
f.
Move AM/VM transfer switch to L3-L1 position. Note indications on multimeter and AC Voltmeter (VOLTS AC).
2-62
Change 4
