| The refrigerant circuit was completely empty |
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| Disassemble the faulty component. |
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| Remove air conditioner compressor. |
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| Unscrew the oil drain plug on the air conditioner compressor (replace the O-ring). |
Note | t
| The „Denso“ („Nippondenso“) compressor has a seal instead of an O-ring on the oil drain plug, which must always be replaced → Parts catalogue |
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| To accelerate the draining of the refrigerant oil, turn the compressor via the pulley of the Poly-V-belt or via the electromagnetic coupling disc. |
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| Then fill air conditioner compressor with a quantity of fresh refrigerant oil corresponding to quantity of refrigerant oil in original compressor → Rep. gr.87. |
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| Use different types and amounts of refrigerant oil for different air-conditioner compressors → Rep. gr.87. |
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| To ensure proper lubrication of the compressor, fill at least 80 cm 3 of refrigeration oil into the compressor; the remaining oil can be filled into the new receiver/dryer, for example → Rep. gr.87. |
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| If any dirt has entered the compressor while the refrigerant circuit is open (e.g. after an accident), the compressor must be replaced. |
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| Blow out the refrigerant circuit out with compressed air and then with nitrogen. |
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| Replace liquid tank or collecting tank and choke. |
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| Assemble, vacuum and recharge the refrigerant circuit. |
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