Standard Operating Procedure for Maintenance of Mixers and Blenders

1) Purpose

The purpose of this SOP is to establish guidelines for the maintenance and operation of mixers and blenders in pharmaceutical manufacturing facilities to ensure consistent product quality and operational efficiency.

2) Scope

This SOP applies to all mixers and blenders used within the facility premises.

3) Responsibilities

The Facilities Management Department is responsible for implementing and adhering to this SOP. The Mixer and Blender Technician or designated personnel are responsible for the maintenance and operation of mixers and blenders.

4) Procedure

1. Preventive Maintenance
   1. Develop a preventive maintenance schedule for mixers and blenders based on manufacturer recommendations and operational requirements.
   2. Inspect mixing and blending equipment, including blades, seals, bearings, and drive mechanisms, regularly for wear, misalignment, or contamination.
2. Cleaning and Sanitization
   1. Follow standard operating procedures for cleaning and sanitizing mixers and blenders to prevent cross-contamination and ensure product purity.
   2. Use approved cleaning agents and methods suitable for equipment materials.
3. Performance Verification
   1. Conduct performance verification tests to ensure mixers and blenders operate within specified parameters such as speed, mixing time, and homogeneity.
   2. Calibrate equipment controls as per calibration procedures.
4. Emergency Procedures
   1. Develop and maintain emergency response procedures for equipment malfunctions, spills, or other incidents.
   2. Train personnel on emergency shutdown procedures and containment protocols.
5. Documentation and