TM 55-1520-240-23-7
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INSTALL APU GENERATOR CURRENT TRANSFORMER — AFT
(Continued)
9-42
If current transformer is not positioned
as shown with terminals facing away
from ground stud, power feeders will
overheat when a ground fault occurs
resulting in a serious fire.
NOTE
Procedure is same for installation
of three APU current transformers.
Installation of one transformer is
shown here.
1.
Position transformer (1) on structure (2). Install
two screws (3) and washers (4).
2.
Remove tape and connect two wires (5) to
transformer (1) by installing two screws (6), four
washers (7), and two nuts (8). Remove tags.
3.
Feed wire (9) through transformer (1) and clamp
(10).
4.
Remove tape and connect wire (9) to ground
stud (11) by installing nut (12) and washer (13).
Remove tags.
5.
Install screw (14) and washer (15) in clamp (10).
FOLLOW-ON MAINTENANCE:
Perform operational check of APU generator (TM
55-1520-240-T).
Close cargo ramp (Task 2-2).
END OF TASK
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