TM 9-4120-388-14
b. Test
a. Removal
This task consists of:
c. Installation
INITIAL SET-UP:
Equipment Condition
a Removal.
(1) Tag and disconnect wire leads.
(2) Remove four nuts and Iockwashers from transformer mounting studs.
b.
Test.
(1)
Connect the probes of a continuity tester or a multimeter set on the lowest OHMS scale to terminal studs
(H1 and H2). If the primary winding is open, replace the transformer.
(2)
Connect the probes of a continuity tester or a multimeter set on the lowest OHMS scale to terminal studs
(X1 and X2). If the secondary winding is open, replace the transformer.
(3)
Connect one probe of a multimeter set on high OHMS scale to either terminal stud (H1 and H2) and the
other probe to the transformer case. If resistance is less than 500,000 ohms, replace the transformer.
(4)
Connect one probe of a multimeter set on high OHMS scale to either terminal stud (X1 and X2) and the
other probe to the transformer case. If resistance is less than 500,000 ohms, replace the transformer.
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