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 TM 55-1925-204-12
Figure 4-2. Replacing typical component for suppressing radio interference
4-11.
Testing of Radio Interference Suppression
(3) If step (2) above did not stop interference,
Components
switch generator sets (para 2-11). If interference still exists,
a. Motor Test. When the radio indicates interference,
move to step (4) below.
proceed as follows:
(4) Secure momentarily each pump motor that is in
(1) Secure all ventilating blowers momentarily. If
operation. When interference stops, replace the capacitor on
the interference is still heard, the trouble is elsewhere. Turn
that motor. If interference still exists, see b. below.
blowers ON.
b. Component Check. Arcing electrical contacts will also
(2) If both generating sets are generating power,
create interference. When tests in a. above have not isolated
refer to paragraph 2-11 and secure one generator. If this test
the interference source, secure each individual electrical circuit
stops the interference, the defective suppressor may be in the
on the main electrical control panel (fig. 2-5), one at a time.
40 KW power generator or the 24 vdc battery charging
When a troublesome circuit becomes known,
generator of the diesel engine. Replace defective capacitor (fig.
4-7
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