3 Maintain the ATCA Subrack
11. Close the top front cover and secure it with the side screws.
3.4 Air Filter
The air filter is located in the lower part of the shelf and it guarantees that the
system operates in good condition.
The following maintenance operations can be performed:
Air Filter Cleaning
Air Filter Replacement.
3.4.1 Air Filter Cleaning
The Air Filter must be removed before cleaning.
There are the following possibilities to clean the Air Filter:
Vacuum clean: A few passes of a vacuum cleaner can remove accumulated
dust and dirt
Oil free compressor Air: Point the compressed air nozzle in the opposite
direction of the filter’s operating airflow
Cold Water Rinse: Collected dirt is washed away using just a standard
hose nozzle with plain water. Let stand till completely dry before returning
to service
Immersion in warm soapy water: Dip the filter in a solution of warm water
and mild detergent. Then rinse the filter in clear water and let stand until
completely dry before returning to service.
3.4.2 Air Filter Replacement
1. Locate the two tabs on the lower front of the filter frame
The two tabs symmetric to the center of the shelf.
2. Push the tabs to rear of the shelf and pull the filter down
26 / 90
3BK 21281 AAAA PCZZA Ed.13
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