4. Check the degree of contamination of oil and pour it in the following order: - If the oil is clean:
Discharge | Filling | About 70 cm 3 | The oil level is normal. Add the same amount of oil as was drained during discharging. | Less than 70 cm 3 | The oil level is below normal. Add 70 cm 3 of oil. |
- If the oil is contaminated with metal particles, clean the dryer / receiver after charging refrigerant. |