1. Store the refrigerant cylinder in an airy room.
2. Don’t over fill cylinder.
3. Keep full and empty cylinder separately.
4. Never tamper the safety devices fitted on refrigerant cylinder.
5. Use line valve and pressure guage while working for pressure leak test.
6. Use gas masks while working on refrigerant cylinder.
7. Never mix different gases in a cylinder.
8. Always charge refrigerant into the low side of the system to avoid damaging the compressor, or causing the system to rupture.
9. Inspect refrigerant cylinders regularly. Do not use the cylinders if they show signs of rust, distortion, denting, or corrosion.
10. Keep first aid box in workshop.