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Page Title:
Section VI. RADIO INTERFERENCE SUPPRESSION |
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 TM
5+11542>15
49. Load Drops Suddenly
480 Variable Load Switch Does Not Apply
Possible remedy
Probable cause
Replace blown fuses.
Fuses F1, F2, and F3,
Possible remedy
Probable cause
Reapply load.
blown
Position load switch to ON.
Variable Load Control
Generator failure--------------- Check and replace with
new generator.
switch not in ON position
De+energize load bank,
Selenium rectifier burn-
Loose or broken leads---- Tighten or replace leads.
remove outside to
ing or has failed (ac-
dissipate fumes. Replace
companied by acrid
(pana 44)
Plug P1 in wrong
damaged rectifier.
stench) .
receptacle.
Section VI. RADIO INTERFERENCE SUPPRESSION
currents. The methods used include shielding
50. Definitions
the ignition and high-frequency wires, ground-
a. Interference. The term "interference" as
ing the frame with bonding straps, and using
used herein applies to electrical disturbances
capacitors and resistors.
in the radio frequency range which are gener-
ated by the load bank and which may inter-
52. Radio Interference Suppression
fere with the proper operation of radio re-
Components
ceivers or other electronic equipment, or enable
Suppression is attained through a radio
an enemy to locate the equipment.
suppression brush grounded to the frame of
S u p p r e s s i o n . The term
b. Interference
the motor housing and which rides on the
motor housing and which rides on the rotating
plies to the methods used to eliminate or
shaft and through capacitors C1 and C,. Spark-
effectively reduce radio interference generated
ing and other electrical disturbances are
by the load bank.
quickly grounded and suppressed.
51. General Methods Used to Attain Proper
53. Replacement of Suppression
Suppression
Components
Refer to figure 15 and replace the radio
Essentially, suppression is attained by pro-
interference suppression components.
viding a low resistance path to ground stray
25
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