ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
e. Turn on power source and load bank. Adjust load bank until 27.7 amps is indicated on ammeter.
f. Set multimeter for amperes, and connect to secondary terminals A1 and A2. Multimeter indication must be 0.9
to 1.1 amps.
g. Repeat steps d, e, and f using phase window B and secondary terminals B1 and B2.
h. Repeat steps d, e, and f using phase C window and secondary terminals C1 and C2.
i. Replace current transformer if multimeter indication in any phase is other than stated in step f.
j.
Remove current transformer from test circuit.
k. Install current transformer, paragraph 4.10.3.
4.10.3
Installation.
a. Install current transformer (31, FIGURE 4-3) with screws (29), flatwashers (30), and nuts (28).
b. Wrap main generator cables around current transformer (31) and droop current transformer (34) using same num-
ber of wraps noted during removal.
c. Connect main generator cables to voltage reconnection board(18) and remove tags.
d. Connect electrical leads to current transformer (31) and remove tags.
e. Close output box and right side engine access doors.
f. Install output box top panel, paragraph 4.7.2, step k.
g. Install control box assembly, paragraph 2.19.4.
h. Connect negative battery cable. Close battery access door.
4.11 DROOP CURRENT TRANSFORMER.
4.11.1
Removal.
a. Shut down generator set.
b. Open battery access door and disconnect negative battery cable.
c. Open output box and right side engine access doors.
d. Tag and disconnect main generator cables T2 and T8 from voltage reconnection board(18, FIGURE 4-3).
e. Unwrap main generator cables T2 and T8 from droop current transformer (34). Note number and direction of
wraps.
f. Tag and disconnect droop current transformer (34) electrical leads from terminal board (25).
g. Remove screws (33), nuts (32), and droop current transformer (34) from output box.
4.11.2
Testing.
a. Remove droop current transformer, paragraph 4.11.1.
b. Set multimeter for ohms and check for continuity between secondary leads 1 and 2.
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