SOP on Cleaning of Spray Gun Used in Coating

SOP on Cleaning of Spray Gun Used in Coating
1.0 Purpose: This document describes procedure for cleaning of Spray Gun used in coating of tablets.
2.0 Scope: This SOP applies to operating staff.
3.0 Responsibility: Quality Control Chemist, Production chemist to ensure that procedure is followed.
4.0 Materials and Equipment: 
 Lint free cloth
 Teepol / Liquid Soap solution 
5.0   Procedure: 
5.01 Remove the spray gun from stand.
5.02 Dip the spray gun in hot purified water for 30 minutes.
5.03 Mop the spray gun and its parts with wet cloth soaked in 0.5% teepol or liquid soap solution.
5.04 Clean the spray gun and parts with DM water.
5.05 Pass the compressed air through the orifice to check the opening by pressing the trigger.
5.06 Clean the spray gun and parts with a dry lint free cloth.
5.07 Put a label “Cleaned” or “Ready for use.”

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