TM 11-5840-281-12-1
3-7.
FRONT PANEL AND INDICATOR LAMP REPLACEMENT. (CONT)
NOTE
Most front panel and indicator lamps on control-indicators and local control monitor have a
push-to-test feature. Before replacing a lamp, press jewel assembly to test lamp.
REMOVAL
1.
Unscrew jewel assembly (1) and lamp (2) from lamp socket (3).
2.
Remove defective lamp (2) from jewel assembly (1).
REPLACEMENT
1.
Insert new lamp (2) into jewel assembly (1).
2.
Screw jewel assembly (1) and lamp (2) into socket (3).
3.
Check new lamp (2) by pressing jewel assembly (1) and observing that lamp lights.
3-8.
FUSE REPLACEMENT.
All fuses used In radar set have a blown-fuse indicator lamp inside fuse holder cap that will
light when corresponding fuse blows. Indicator lamps are an integral part of fuse holder and
are not replaceable.
CAUTION
Always replace blown fuse with one of same rating. If replacement fuse blows, do not Install
another fuse until trouble has been corrected.
REMOVAL
1.
Push fuse holder (1) in and turn counterclockwise.
2.
Remove fuse holder (1), containing fuse (2), from fuse receptacle (3).
3.
Remove fuse (2) from fuse holder (1).
REPLACEMENT
1.
Insert new fuse (2) into fuse holder (1).
2.
Insert fuse holder (1) into fuse receptacle (3).
3.
Push fuse holder (1) in and turn clockwise to lock into place.
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