Maintenance
Cleaning Proce
dure – Exterior. Do the following steps to clean the instrument
exterior:
1. Remove loose d
ust on the outside of the instrument with a lint-free cloth. Use
care to avoid scratching the clear glass display shield.
2. Remove rema
ining dirt with a lint-free cloth dampened in a g eneral purpose
detergent-and-water solution. Do not use abrasive cleaners.
CAUTION. To prevent getting moisture inside the instrument during external
cleaning, use only enough liquid to dampen the cloth or applicator.
NOTE. To avoid damage to the s urface of the instrument, do not use any abrasive
or chemical cleaning agents.
Flat Panel Display Cleaning. The display is a soft plastic display and must be
treated with care during cleaning.
CAUTION. Improper cleaning agents or methods can damage the flat panel
display.
Avoid
using abrasive cleaners or commercial cleaners to clean the display surface.
Avoid spraying liquids on the display surface.
Avoid scrubbing the display with ex cessive force.
1. Clean the flat panel display surface by gently rubbing the display with a
clean-room wipe (such as Wypall Medium Duty Wipes, #05701, available
from Kimberly-Clark Corporation).
2. If the display is very dirty, moisten the wipe with distilled water or a 75%
isopropyl alcohol solution and gently rub the display surface. Avoid using
e
xcess force or you may damage the plastic display surface.
CAUTION. To prevent getting moisture inside the instrument during external
cleaning, use only enough liquid to dampen the cloth or applicator.
Inspection – Interior. Inspect and clean the interior if it appears that the instrument
may have been damaged or exposed to an unusually dirty environment.
To access the inside of the instrument for inspection and cleaning, refer to the
Removal and Installation Procedures in this section.
4–4 AWG7000B and AWG7000C Series Service Manual
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