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TM 5-4120-377-14
Figure 4-51. Radio Frequency Filter (FL1)
a. Removal
(1)
(2)
(3)
(4)
(5)
(6)
Using screwdriver, remove eight, outermost, screws from filter mounting plate.
Slip plate and filter out and support filter.
Capacitors can retain a high electrical charge. Touching terminals of a charged capacitor
can result in severe electrical shock and skin burns. Always ground terminals of a capacitor
as soon as they are exposed.
Disconnect the P10 and P11 plugs from the radio frequency filter.
Discharge filter capacitors at connector, (J10).
Using screwdriver, remove six screws from mounting plate and filter.
Separate filter mounting plate and radio frequency filter.
b. lnspection/Test
(1) Check radio frequency filter for dents, punctures, and evidence of overheating.
(2) Check connectors J10 and J11 for loose, missing, or broken contacts.
loose, missing, or broken
(3) Replace filter if badly dented, punctured, burnt, or connectors have
contacts.
(4) Using multimeter, check continuity between J11 contacts A, B, and C to filter case. If continuity is
indicated, replace filter.
4-89
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