CLEANING

TM 11-7025-229-12

4-20.

CLEANING

Tools and Materials. The following tools and materials are required when cleaning the disk unit (appx E):

Lint-free cloths (item 3, appx E)

Soft-bristle brush (item 2, appx E)

Dishwashing compound or detergent (item 4, appx E)

Alcohol isopropyl (item 1, appx E)

Vacuum cleaner with attachments.

Cleanlng. Cleaning of the disk unit is limited to the following activities:

WARNING

Turn off power before working on equipment. Failure to do so can cause serious injury to personnel.

Use alcohol only in well-ventilated area away from fire, sparks, or any other heat source that might ignite

it.

(1) Dusting of all external surfaces.

(2) Wiping off smudges and deposits of foreign matter.

(3) Clearing debris off of the disk unit and from the immediate area around the disk unit.

(4) Vacuuming dust/debris from the blower assembly at the rear of the disk unit.

4-21.

TESTING AFTER REPLACEMENTS OR REPAIRS

Upon completion of all replacements and/or repairs, the disk unit should be operated in a stand-alone configuration (no

I/O cables connected) with an HDA installed. Upon application of power to the unit (para 2-6), the maintenance

technician should ensure that the unit appears to be operating normally (i.e., the indicators are showing the proper

equipment status, blower fan is operating quietly, and the HDA is running smoothly and quietly).

4-23/(4-24 Blank)