ARMY TM 9-6115-641-24
AIR FORCE TO 35C2-3-456-12
2-43-2.
a,
b.
c.
d.
e.
f.
2-43-3.
a.
b.
c.
d.
e.
f.
2-43-4.
a.
b.
c.
d.
e.
Testing
Start and operate generator set at rated voltage and frequency.
Release control panel by turning two fasteners and lower control panel slowly.
Set multimeter for DC volts and connect across BATTERY CHARGE ammeter terminals. Connect positive lead
to positive terminal and negative lead to negative terminal if you observe or think battery is charging. Multimeter
should indicate up to 50 mv (for example, 25 mv is equal to a +10 amps reading on BATTERY CHARGE amme-
ter).
Reverse multimeter leads if you obsere or think battery is discharging. Multimeter should indicate up to 25
mv (for example, 25 mv is equal to a –10 amps reading on BATTERY CHARGE ammeter).
If multimeter indicated millivolt reading and BATTERY CHARGE ammeter is not within =10% of equivalent
ampere reading, or is not indicating, replace BATTERY CHARGE ammeter.
Raise and secure control panel.
Removal.
Shut down generator set.
Open left side engine access door and disconnect negative battery cable.
Release control panel by turning two fasteners and lower control panel slowly.
Tag and disconnect BATTERY CHARGE ammeter (28, Figure 2-14) electrical leads.
Remove screws (26) and nuts (27).
Remove BATTERY CHARGE ammeter (28).
Installation.
Insert BATTERY CHARGE ammeter (28, Figure 2-14) into control panel.
Install screws (26) and nuts (27).
Connect electrical leads and remove tags.
Raise and secure control panel.
Connect negative battery cable and close access door.
2-44. FREQUENCY METER (HERTZ)
2-44-1. Inspection,
a.
Shut down generator set.
b.
Release control panel by turning two fasteners and lower control panel slowly.
c.
Inspect FREQUENCY meter (HERTZ) for cracked lens, loose mounting, corrosion, and other damage.
d. Raise and secure control panel.
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