Inspection and Cleaning
Resolder joint and clean with ethyl alcohol.
Table#6%3:$Internal Inspection Check List (Cont.)
Item | Inspect For | Repair Action |
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|
|
Capacitors | Damaged or leaking cases. Corroded | Remove damaged module and replace |
| solder on leads or terminals. | with a new module from the factory. |
|
|
|
Semiconductors | Loosely inserted in sockets. Distorted | Firmly seat loose semiconductors. Re8 |
| pins. | move devices that have distorted pins. |
|
| Carefully straighten pins (as required to |
|
| fit the socket), using long8nose pliers, |
|
| and reinsert firmly. Ensure that straight8 |
|
| ening action does not crack pins, caus8 |
|
| ing them to break off. |
|
|
|
Wiring and cables | Loose plugs or connectors. Burned, | Firmly seat connectors. Repair or re8 |
| broken, or frayed wiring. | place modules with defective wires or |
|
| cables. |
|
|
|
Chassis | Dents, deformations, and damaged | Straighten, repair, or replace defective |
| hardware. | hardware. |
|
|
|
Cleaning Procedure&Interior
If, after doing steps 1 and 2, a module is clean upon inspection, skip the remaining steps.
1.Blow off dust with dry, low8pressure, deionized air (approximately 9 psi).
2.Remove any remaining dust with a lint8free cloth dampened in ethyl alcohol, and rinse with a warm deionized water. (A cotton8tipped appli8 cator is useful for cleaning in narrow spaces and on circuit boards.)
3.If steps 1 and 2 do not remove all the dust or dirt, the AWG2005 may be spray washed using a solution of ethyl alcohol by doing step 4 through 8.
4.Gain access to the parts to be cleaned by removing easily accessible shields and panels (see Removal and Installation Procedures in this section).
5.Spray wash dirty parts with the ethyl alcohol, and wait 60 seconds for the majority of the alcohol to evaporate.
6.Use hot (120_ F to 140_ F) deionized water to thoroughly rinse them.
7.Dry all parts with low8pressure, deionized air.
8.Dry all components and assemblies in an oven or drying compartment using low8temperature (125_ F to 150_ F) circulating air.
Lubrication
There is no periodic lubrication required for the AWG2005.
68 | Maintenance |