| Charging may only be performed at room temperature (approx. 20° Celsius). |
| Replacement shock absorbers and pipes are supplied empty. |
| Pipes/shock absorbers and central valves may only be drained, evacuated and charged when they are connected and installed in the vehicle. |
| The vehicle must never be lowered onto its wheels when the DRC system is separated from the individual components (e.g. connection between pipe/shock absorbers/central valve). |
| When charging the DRC system, the gas accumulator leading to the pressure chambers is automatically checked for leaks at the piston in the central valve. |
| If the pressure of 22 bar could not be obtained, or if the pressure drops continuously when charging the DRC system, check all the separating couplings and connections for leaks and damage. If no irregularities are visible on the outside, the piston of the gas accumulator inside the central valve leading to the pressure chambers is leaking, so the central valve must be renewed. |
| When connecting and disconnecting pressure tester -V.A.S 6209/2-, the section of the system that is under test must be closed off at the central valve in order to minimise the fluid loss and to avoid discharging the central valve that is under pressure. |
| The small quantity of fluid escaping from the connection when the pressure tester -V.A.S 6209/2- is connected and disconnected with the central valve shut off is not critical. Repeated measurements should be avoided because the system loses a small amount of fluid every time the pressure tester -V.A.S 6209/2- is connected. The pressure reading will be about 0.3 bar lower than the previous value when the tester is reconnected. Several repeated measurements will thus cause the pressure in the system to drop below the minimum limit and recharging of the relevant section of the DRC system will be required. |
| Draining, evacuating or charging the DRC system can only be performed at the drain/charge valve (front) and at the drain/charge valve (rear) of the shock absorbers in the relevant section of the system. Note the following points: |
WARNING | Safety goggles must be worn for all operations. |
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| Drain the relevant section of the system completely before removing or disconnecting any DRC components. |
| Shock absorbers may only be charged when they are installed in the vehicle. |
| The vehicle must never be lowered onto its wheels when the system is closed (and charged) and the central valves are closed off. This would invariably cause leakage and system failure. |
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