TM 9-4120-370-14
TO 35E9-229-1
4-48. RFI (RADIO FREQUENCY INTERFERENCE) FILTER (Al) - Continued.
b. Inspection/Test
(1) Check that tube type housing is not damaged.
Figure 4-66. Rectifier
(CR)
(2)
Using screwdriver, remove four screws and flat washers from end cap.
Pull end cap away from tube.
(3)
(4)
Tag and disconnect four leads from rectifier (CR).
Check wire leads for loose connections to filters.
(5)
Check wire leads for cut or frayed insulation and cut or broken wires.
(6)
(7)
Use a continuity tester or a Multimeter set on the lowest OHMS scale to test each RFI filter. If continuity
is not found, replace the affected filter.
Use a continuity tester or a Multimeter set on the lowest OHMS scale to test between each filter lead and
(8)
the case, If continuity is found between any lead and the case, replace the affected filter,
(9)
Use a continuity tester or a Multimeter set on the lowest OHMS scale to test for continuity between each
of the four rectifier terminals and the cap. If continuity is found between any rectifier terminal and end cap,
replace rectifier.
(10) Use a Multimeter set on lowest OHMS scale to test resistance across rectifier bridge in accordance with
the following table, If resistance is different from that indicated in table, replace rectifier,
