| t
| Adapter for cooling system tester -V.A.G 1274/9- |
| l
| Engine at operating temperature. |
WARNING | Hot steam may escape when expansion tank is opened. Place cloth over cap and open with caution. |
|
| –
| Open cap on coolant expansion tank. |
| –
| Screw adapter for cooling system tester -V.A.G 1274/8- onto expansion tank. |
| –
| Clamp connector -V.A.G 1274 B/1- into adapter for cooling system tester -V.A.G 1274/8-. |
| –
| Join connection piece -V.A.G 1274 B/1- to cooling system tester -V.A.G 1274 B- using connecting hose supplied. |
| –
| Use hand pump on tester to create a pressure of about 1.0 bar. |
WARNING | Risk of scalding! Before disconnecting cooling system tester -V.A.G 1274 B- from connecting hose or connector -V.A.G 1274 B/1-, relieve existing pressure under all circumstances. To do this, press pressure relief valve on cooling system tester -V.A.G 1274 B- until pressure gauge displays value of »0«. |
|
| –
| Find leaks and rectify. |
| Check pressure relief valve in cap. |
| –
| Screw cap into adapter for cooling system tester -V.A.G 1274/9-. |
| –
| Clamp connector -V.A.G 1274 B/1- into adapter for cooling system tester -V.A.G 1274/9-. |
| –
| Join connection piece -V.A.G 1274 B/1- to cooling system tester -V.A.G 1274 B- using connecting hose supplied. |
| –
| Use hand pump on cooling system tester to create a pressure of max. 1.6 bar. |
| The pressure relief valve must not open. |
| If the pressure relief valve opens prematurely: |
| –
| Increase pressure to over 1.6 bar. |
| The pressure relief valve must open. |
| If the pressure relief valve does not open: |
|
|
|
