Inspection and Cleaning
Item
Cabinet
and
front panel
Front-panel knobs
Connectors
Carrying handle,
bail, cabinet feet
Accessories
6-6
Inspection - Exterior
Inspect
the
outside of the oscilloscope for damage, wear,
and
missing parts,
using Table 6-2 as a guide. Oscilloscopes that appear to have
been
dropped
or otherwise abused should be checked thoroughly to verify correct opera-
tions and performance. Repair defects that could cause personal injury or
lead to further damage to the oscilloscope immediately.
Table
6-2:
External
Inspection
Check
List
Inspect
for
Cracks, scratches, deformations or
damaged hardware.
Missing, damaged, or loose knobs.
Broken shells, cracked insulation and
deformed contacts. Dirt
in
connectors.
Correct operation.
Missing items or parts of items, bent pins,
broken and damaged connectors.
Cleaning Procedure - Exterior
Repair
Action
Replace defective part.
Repair or replace missing or defective
knobs.
Replace defective parts. Clear or
wash out dirt.
Replace defective part.
Replace damaged or missing items,
frayed cables items, frayed cables and
defective boards.
To
prevent getting moisture inside the oscilloscope during exter-
nal
cleaning, use
only
enough liquid
to
dampen
the cloth or
applicator.
1. Remove loose dust on the outside of the oscilloscope
with
a
lint
free
cloth.
2. Remove remaining dirt with a lint free cloth dampened
in
a general
purpose detergent-and-water solution.
Do
not
use abrasive cleaners.
3.
Clean the light filter protecting the
CRT
screen with a lint-free cloth
dampened with either isopropyl alcohol or, preferably, a gentle, general
purpose detergent-and-water solution.
Maintenance
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