SOP Title: Cleaning of Pre-Filter of MLT Laminar Air Flow Unit
- Objective:
To lay down procedure for the cleaning of Pre-filters of Laminar Air Flow Unit located in the MLT Room in Microbiology Section of Quality Control Department.
- Scope:
This procedure is applicable for the cleaning of Pre-filters of Laminar Air Flow Unit placed in the MLT Room in Microbiology Section of Quality Control Department.
- Responsibility:
3.1 Engineering Department: To prepare and review the SOP. To follow the procedure laid down for the cleaning of Pre-filters of Laminar Air Flow as per this SOP.
3.2 Quality Assurance Department: To review and approve the SOP and Annexure. To ensure compliance of the procedure.
- Accountability:
Head, Engineering Department / Head, Quality Assurance Department.
- Procedure:
- Definitions:
5.1.1 Engineering Associate: Executive or Operator of Engineering Department trained to perform duties as per this SOP.
5.2. Operational Procedure:
| Safety Precautions/Instructions: | ||
| 5.2.1 | Wear appropriate Personal Protective Equipment while cleaning of pre-filters of Laminar Air Flow. | |
| 5.2.2 | Ensure all the electrical connections are properly earthed. | |
| 5.2.3 | Inspect electrical cables and connectors for any sign of damage. | |
| 5.2.4 | Ensure that the ON/OFF push button is working properly. | |
| 5.2.5 | Use proper maintenance tools while cleaning of Pre-filters of Laminar Air Flow Unit. | |
| 5.2.6 | Ensure that a trained person is carrying out the cleaning activity. | |
| 5.2.7 | Inform to the user department before the start of cleaning activity. | |
| 5.2.8 | Switch Off the LAF unit before removing the filter. | |
| Operation: | ||
| 5.2.8 | Inform and get the clearance from the QC department for cleaning of Pre-filter of Laminar Air Flow. | |
| 5.2.9 | Remove the filters from filter body assembly by loosening front side safety cover (net). | |
| 5.2.10 | Clean the filter as per Annexure. | |
| 5.2.11 | Pack the cleaned filters in the polyethylene covers and transfer them to the Laminar Air Flow Unit of MLT Room. | |
| 5.2.12 | Inspect the filters visually for any damage and cleanliness. | |
| 5.2.13 | Re-fix the filter, check the gasket and tighten all the nut and bolts. | |
| 5.2.14 | Record all the details in “Cleaning Check List for Pre-filters of Laminar Air Flow Unit” as per Annexure. | |
| 5.2.15 | Update the “Cleaning Status Label” as per Annexure and attach it to the Laminar Air Flow Unit. | |
| 5.2.16 | In case any filter is found to be damaged then wash the damage filter and dry the same. After drying, separate the metal housing and filter media. Enclose in polyethylene bags separately and dispose of in the designated scrap yard. | |
| Cleaning Frequency: | ||
| 5.2.17 | Every Fortnight ± 2 Days. | |
- Abbreviation:
| Abbreviation | Expansion |
| UTL | Utility |
| cm | Centimetre |
| kg | Kilogram |
*Note – Ready to use SOP available in “DOWNLOAD” Section.