Checking System Pressure

1. Connect and bleed pressure tester VW 1318.

2. Bridge safety circuit.

3. Set lever to closed valve position.

4. System pressure should now agree with specifications.

CHECKING CONTROL PRESSURE "WARM"

Engine could be cold or warm for this test.

1 Connect and bleed pressure tester VW 1318.

2. Electric wire plug remains connected on control pressure regulator.

3. Bridge safety circuit.

4. Set lever to opened valve position. Control pressure will now rise slowly and reach the specified value when control pressure regulator has been operated. Operating time will vary depending on ambient temperature.

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