Inspection and Cleaning
To
prevent getting moisture Inside the power supply during external
cleaning, use only enough liquid to dampen the cloth or
applicator.
Table 6-2: External Inspection Check List
Inspect For
Repair Action
Cabinet and Front
Cracks, scratches, deformations,
damaged hardware.
Replace defective module.
Front-panel Knobs Missing, damaged, or loose knobs.
Repair or replace missing or defective
knobs.
Connectors
Broken shells, cracked insulation, and
deformed contacts. Dirt in connectors.
Replace defective modules. Clear or wash
out dirt.
Accessories
Missing items or parts of items, broken or
frayed cables, and damaged connectors.
Replace damaged or missing items, frayed
cables, and defective modules.
Cleaning Procedure
—
Exterior
1.
Remove loose dust on the outside of the power supply with a lint free
2.
Remove remaining dirt with a lint free cloth dampened in a general pur-
pose detergent-and-water solution. Do not use abrasive cleaners.
3. Clean the digital display with a lint-free cloth dampened with either isopro-
pyl alcohol or, preferably, a gentle, general purpose detergent-and-water
solution.
Inspect Interior
To access the inside of the power supply for inspection and cleaning, refer to
the Removal and Installation Procedures in this section.
Inspect the internal portions of the power supply for damage and wear, using
Table 6-3 as a guide. Deficiencies found should be repaired immediately.
If any electrical module is replaced, the performance verification procedures
should be used to see If it is necessary to adjust the power supply.
To
prevent damage from electrical arcing, ensure that circuit boards
and components are dry before applying power to the power
supply.
REV AUG
1991
Maintenance
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