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Inspection and Cleaning
Maintenance
6Ć6
Inspection Ċ Exterior
Inspect the outside of the oscilloscope for damage, wear, and missing parts.
Use Table 6Ć2 as a guide. Oscilloscopes that appear to have been dropped
or otherwise abused should be checked thoroughly to verify correct operaĆ
tion and performance. Repair defects that could cause personal injury or
lead to further damage to the oscilloscope immediately.
TableĂ6Ć2:ăExternal Inspection Check List
Item
Inspect For Repair Action
Cabinet, front panel,
and cover
Cracks, scratches, deformations,
damaged hardware or gaskets.
Replace defective module.
FrontĆpanel knobs Missing, damaged, or loose knobs. Repair or replace missing or defective knobs.
Connectors Broken shells, cracked insulation,
and deformed contacts. Dirt in conĆ
nectors.
Replace defective modules. Clear or wash out
dirt.
Carrying handle and
cabinet feet
Correct operation. Repair or replace defective module.
Accessories Missing items or parts of items, bent
pins, broken or frayed cables, and
damaged connectors.
Replace damaged or missing items.
Cleaning Procedure Ċ Exterior
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 purĆ
pose detergentĆandĆwater solution. Do not use abrasive cleaners.
CAUTION
To prevent getting moisture inside the oscilloscope during external
cleaning, use only enough liquid to dampen the cloth or applicator.
3. Clean the CRT screen with a lintĆfree cloth dampened with either a
75% isopropyl alcohol solution or, preferably, a gentle, general purpose
detergentĆandĆwater solution.
NOTE
If the CRT Implosion Shield needs further cleansing, refer to the
procedure on page 6Ć7.