1 – the party with a high pressure;
2 – the party with a high pressure;
3 – low pressure;
4 – a high pressure;
5 – the party with low pressure;
6 – the party with low pressure.
In a central air of air with coolant R-134a there are ports with "quick-detachable connections" adapters. Each adapter represents the plug with a female thread for protection of system from hit of polluting impurity.
PERFORMANCE ORDER
1. Close both valves on a highway.
2. Connect adapters of manometres to corresponding ports.
3. Manually tighten nuts of fastening of hoses of adapters.
