Standard Operating Procedure (SOP)

1. Purpose

To define the procedure for proper and safe cleaning of the Semi-Automatic Induction Cap Sealing Machine to prevent contamination and ensure consistent product quality.

2. Scope

This SOP applies to all semi-auto induction sealing machines used in the packaging section for sealing induction caps onto containers.

3. Responsibilities

• Machine Operator: To follow the cleaning procedure before and after operation.

• Cleaning Personnel: To carry out detailed cleaning as per instructions.

• Production Supervisor: To verify and record the cleaning process.

• Quality Assurance (QA): To inspect and approve the cleaned equipment before use.

4. Safety and Precautions

• Switch OFF the power supply before starting cleaning.

• Wear appropriate PPE: gloves, safety goggles, apron, and mask.

• Avoid direct contact of cleaning agents with the induction head.

• Ensure no moisture enters electrical components.

5. Materials and Equipment Required

• Lint-free cloth

• Clean, dry brushes

• Mild detergent solution or approved cleaning agent

• Clean dry air (optional)

• 70% IPA (if required and approved)

6. Procedure

6.1 Pre-Cleaning

1. Ensure the machine is switched OFF and unplugged.

2. Put “UNDER CLEANING” status tag on the machine.

3. Allow the induction head to cool down if recently used.

6.2 Cleaning Steps

1. Exterior Cleaning:

   • Wipe the external surfaces using a lint-free cloth dampened with a mild detergent solution.

   • For tough spots, use a soft brush.

   • Do not spray or pour liquid directly on the machine.

2. Cleaning the Induction Head:

   • Use a dry cloth or brush only.

   • Do not use water or liquid agents on the induction sealing head.

3. Conveyor/Platform Cleaning:

   • Wipe conveyor belts and support structures with a damp cloth.

   • Rinse the cloth with clean water and wipe again.

   • Dry thoroughly with a clean lint-free cloth.

4. Control Panel:

   • Wipe with a dry cloth or cloth dampened slightly with 70% IPA.

   • Avoid excess moisture.

5. Clean and Dry All Parts:

   • Ensure no residue or moisture is left.

   • Use clean dry air (if available) for faster drying in tight spaces.

6.3 Post-Cleaning

1. Visually inspect all parts for cleanliness.

2. Remove the “UNDER CLEANING” tag.

3. Record cleaning in the logbook.

4. Inform QA for line clearance.

7. Cleaning Frequency

• Routine Cleaning: After every batch or product changeover.

• Deep Cleaning: Weekly or after long downtime (as per production schedule).

• Unscheduled Cleaning: If any spillage or contamination occurs.

8. Documentation

• Maintain records in the Equipment Cleaning Logbook.

• Include date, time, name of the operator, and supervisor verification.

9. Abbreviations

• PPE – Personal Protective Equipment

• IPA – Isopropyl Alcohol

• QA – Quality Assurance

• SOP – Standard Operating Procedure

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