| Connecting air conditioner service station on vehicles with a connection on the low and high-pressure end of the refrigerant circuit |
| Connecting air conditioner service station for measuring and testing |
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| Connect air conditioner service station to power supply. |
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| Connect quick-release coupling adapters to the charging hoses of the air conditioner service station (handwheels not screwed in/hand shut-off valve not open). |
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| Switch on the air conditioner service station and evacuate the charging hoses (only necessary if there is air in the charging hoses). |
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| Switch off air conditioner service station. |
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| Unscrew sealing caps from service connections (with valve). |
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| Connect up the air conditioner service station via the service connections with quick-release coupling adapters to the vehicle refrigerant circuit. |
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| Only screw in the handwheel of the quick-release coupling adapters to the extent required to reliably open the valves at the refrigerant circuit connection (observe pressure gauge, do not open valves further than necessary). |
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| Perform planned tests and measurements. |
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