Appendix G: Inspection and Cleaning
Inspect and clean the instrument as often as operating conditions require. The collection of dirt can cause instrument overheating and breakdown. Dirt acts as an insulating blanket, preventing efficient heat dissipation. Dirt also provides an electrical conduction path that can cause an instrument failure, especially under
UTION To prevent damage avoid the use of chemical cleaning agents that might damage the plastics used in this instrument. Use only deionized water when cleaning the menu buttons or
Avoid the use of high pressure compressed air when cleaning dust from the interior of this instrument. (High pressure air can cause ESD.) Instead, use low pressure compressed air (about 9 psi).
Inspection Exterior Using Table
Table G1: External inspection check list
Item | Inspect for | Repair action |
|
|
|
Cabinet, front panel, and cover | Cracks, scratches, deformations, damaged | Replace defective module |
| hardware or gaskets |
|
|
|
|
Front"panel knobs | Missing, damaged, or loose knobs | Repair or replace missing or defective knobs |
|
|
|
Connectors | Broken shells, cracked insulation, and | Replace defective modules; clear or wash out |
| deformed contacts. Dirt in connectors | dirt |
|
|
|
Carrying handle and cabinet feet | Correct operation | Replace defective module |
|
|
|
Accessories | Missing items or parts of items, bent pins, | Replace damaged or missing items, frayed |
| broken or frayed cables, and damaged | cables, and defective modules |
| connectors |
|
AWG2021 User Manual | G1 |