Section VI. RADIO INTERFERENCE SUPPRESSION
primary function. These components are illustrated in
4-9. General
Essentially, suppression is attained by providing a low
resistance path to ground for stray' currents. The
4-11. Inspection, Removal and Installation of
methods used include shielding the ignition and high
Interference Components
straps, and using capacitors and resistors.
Inspect all components for damage and secure
installation Replace a defective component. Refer to
4-10. Interference Suppression
figure 4-1 for removal and installation.
Components
4-12. Testing of Radio Interference Suppression
a. Primary Suppression components. The primary
Components
suppression components are those whose primary
function is to suppress radio interference.
These
If interference is indicated, isolate the cause of
components are illustrated in figure 4-1.
interference by using the appropriate frequency/audio
b. Secondary Suppression Components. These
meter if available If not available, use the trial and error
method of replacing each component in turn until the
components have radio interference suppression
cause of interference is located and eliminated.
functions which are incidental or secondary to their
Remove coil wire and spark plug wires by unscrewing fittings
Remove the plug shields by removing entire assembly from cylinder head then separate
cap from body of plug shields.
Remove distributor shield and cap by releasing the two clamps. Remove two screws from
the shield to separate the distributor cap from the shield.
Remove coil shield by removing two screws.
Figure 4-1. Radio interference suppression Components
ME 5-3820-242-12/4-1
4-6