ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
e. Set multimeter for AC amperes and connect between disconnected wire 183A and terminal 1 of
ammeter (PERCENT RATED CURRENT). Place AM-VM transfer switch in L1 - LO position.
f.
Connect negative battery cable, start and operate generator set at rated voltage and frequency.
Apply some load to generator set.
m.
Raise and secure control panel.
n.
Connect negative battery cable and close battery access door.
2-29-3
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 ammeter (PERCENT RATED CURRENT) (24, FIGURE 2-12) electrical leads.
e.
Remove nuts (22), washers (35), and screws (23).
f.
Remove ammeter (PERCENT RATED CURRENT) (24) from control panel.
2-29-4
Installation.
a.
Insert ammeter (PERCENT RATED CURRENT) (24, FIGURE 2-12) into control panel.
g.
Observe and note indications on multimeter and ammeter (PERCENT RATED CURRENT).
h.
Shut down generator set.
i.
Calculate the percent of current from the multimeter indication using the following formula:
Percent of Current =
100 x Multimeter Indication
0.75 amperes
j.
Compare calculated percent of current to ammeter (PERCENT RATED CURRENT) indication noted
during operation. If difference is greater than 10%, replace ammeter.
k.
Disconnect negative battery cable.
I.
Remove multimeter, connect wire 183A to ammeter (PERCENT RATED CURRENT).
b.
Install screws (23), washers (35), and nuts (22).
c.
Connect electrical leads and remove tags.
d.
Raise and secure control panel.
e.
Connect negative battery cable. Close battery access door.
2-30 KILOWATTMETER (PERCENT POWER).
2-30-1
Inspection.
a.
Shut down generator set.
b.
Inspect meter for broken lens, cracked housing, and other damage.
Change 1
2-63
