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Page Title:
Table 4-2. Organizational Preventive Maintenance Checks and Services |
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  (Ml H)
0.2
possible. There are many reasons for this, such as
4-6. Cleaning
change in the original pigment because of oxidation
Cleaning under normal circumstances should be
and differences as a result of manufacture. The
confined to removal of dust or dirt from the volt-
prevention of corrosion and deterioration is the most
meter case and panel with a damp lint-free cloth. It
important consideration in touchup painting; ap-
may be necessary to occasionally clean the decade
pearance is secondary. This, however, should not be
dial indicators or null range indicator with a mild
construed to mean that appearance of the equipment
soap, DO NOT press heavily on the glass since
is not important. Touchup paint should be ac-
damage could result.
complished neatly and in good workmanshiplike
manner. Inspection personnel in the field should
When Electronic Voltmeter ME-202C/U requires
make allowances for slight color mismatch where
repainting, refinishing, or touchup painting use
minor touchup has been done, but not for neglect,
paint color 26307 (Federal Standard No. 595a). SB
poor workmanship, or in cases where the need for
11-573 lists painting tools and miscellaneous sup-
refinishing is obvious.
plies required for painting.
b. Remove rust and corrosion from metal surfaces
a. Refer to TB43-0118 for instructions on painting
by lightly sanding them with fine sandpaper. Brush
and preserving Electronics Command equipment. In
two thin coats of paint on the bare metal to protect it
touchup painting, a perfect match with the exact
from further corrosion.
shade of the original paint surface may not be
Section III. TROUBLESHOOTING
a. Disconnect the power cord from the power
source.
Inspect the voltmeter for broken knobs or loose
b. Twist the end of the fuseholder counter-
hardware. Inspect the line cord for cracked or peeling
clockwise.
insulation, and for loose wires in the line cord
c. Remove and replace the fuse with one of the
connector plug.
same ratings.
4-9. Troubleshooting
d. Reinsert and twist the end of the fuseholder
The scope of operator and organizational
clockwise.
troubleshooting is confined to the following:
e. Reconnect the power cord to the power source.
a. Replacement of knobs, fuses or indicator lamp.
operational status of
b. Determination
of
The indicator lamp located on the right hand side of
equipment for the purpose of referring necessary
the front panel is replaced as follows:
maintenance to the depot level for repair (table 4-3).
a. Disconnect the power cord from the power
source.
The fuse located on the rear panel of the voltmeter is
b. Unscrew and remove the lens cap.
replaced as follows:
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