| Operate the air conditioning system after filling |
Note | If the AC compressor was removed, the free wheel must be turned by hand approx. 10 turns on the V-ribbed belt pulley before it is first put into service. This prevents that no damage occurs after switching on the air conditioning system for the first time as a result of fluid hammer in the AC compressor (if oil is present in the cylinder of the AC compressor, it is pressed out when turning). |
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| Start the engine with the AC compressor switched off (version with magnetic coupling). |
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| Set the AC compressor to the lowest possible performance; operating mode „Econ“ or A/C off (version without magnetic coupling with regulating valve). |
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| Wait until the idling speed has stabilised. |
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| Switch on the AC compressor and operate the system for at least 2 minutes at idle speed. |
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| If necessary, check the pressures in the refrigerant circuit with the A/C service station. |
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| Release the handwheel on the quick-coupling adapter. |
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| Remove the filling hoses from the refrigerant circuit. |
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| Screw on the protective caps once again. |
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