TM 11-6625-3053-14
REPLACEMENT PROCEDURES
620. REPLACEMENT OF INSTRUMENT DUST COVER.
WARNING
Access to any part inside the signal generator starts with
the removal of this dust cover. Before removing dust
cover, be sure that:
- Power switch is in the OFF or downward position.
- Power cord is disconnected from J10 on the rear
panel.
WARNING
Power is to remain OFF if further parts or assemblies
must be removed, for example, if this procedure is part of
a procedure for the removal of another part or as- sembly
further inside the unit.
If the removal of the dust cover is called for as part of an
alinement or troubleshooting procedure, after the dust
cover has been removed, POWER may be restored only
if the alinement or troubleshooting procedure
calls for it.
WARNING
When working inside the unit with the POWER ON, all
precautions must be taken to avoid bodily contact with
any energized parts. Be especially careful to avoid those
places where high voltages exist. Read the WARNINGS
ON HIGH VOLTAGE AND ELECTRICAL SHOCK in the
front of this manual before working inside the unit
with the POWER ON.
REMOVAL
Be sure to follow warnings at the beginning of this paragraph, then:
a.
Remove 4 phillips head screws with plastic washers from top surface of dust cover.
- 2 screws at front edge of unit.
- 2 screws at rear edge of unit.
b.
Remove 3 phillips head screws with plastic washers from the bottom of each side of the dust cover.
c.
Remove 2 phillips head screws from each of two rack-mounting brackets if unit was rack- mounted.
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