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SOP for Cleaning and Operation of Air Handling Unit Pre-Filters

PURPOSE
To lay down a Procedure for Cleaning and Operation of Air Handling Unit Pre-Filters.

SCOPE
This SOP's procedure shall apply to the Production Department of Pharmasky Ltd.

RESPONSIBILITY
QC Manager.

ACCOUNTABILITY
Production Manager
Q.A. Manager

PROCEDURE
  1. Cleaning of pre-filter 20 microns average 7-15 days i.e. .weakly off day.
  2. Cleaning of pre-filter cabinet is carried outside of the production area.

Cleaning
  • Before cleaning the AHU pre-filter, switch OFF the mains.
  • Loosen the filter cabinet bolts.
  • Remove the filter cabinet set aside.
  • Close the AHU filter cabinet with a poly bag till the filter is ready to be fixed.
  • Clear the filter with compressed air at least five times with airflow in reverse of the operational flow direction, outside the production area.
  • Wash the pre-filters using mild soap solution and then with running tap water.
  • Pass the compressed air through the other side of the filter and then dry the filter.
  • Remove the poly bag from dust.
  • Clean the filter cabinet with dry clothes.
  • Fix the pre-filter and tight cabinet bolts.
  • Record the cleaning operation of pre-filters in cleaning format.

ABBREVIATIONS
QA: Quality Assurance

ANNEXURE
Nil

REVISION HISTORY
Nil

PEOPLE ALSO READ: SOP for Cleaning of Uniforms

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