AdBlue(R) Passive Tank, Draining

AdBlue(R) Passive Tank, Draining

Special tools, testers and auxiliary items required

• Engine Bung Set (VAS 6122)

• Drip tray

Procedure

Follow all safety precautions => [ Observe the following when working on the reducing agent metering system: ] Safety Precautions.

Follow the guidelines for cleanliness. Refer to => [ Clean Working Conditions ] Clean Working Conditions.

- Remove the reducing agent passive tank. Refer to => [ AdBlue(R) Passive Tank ] AdBlue(R) Passive Tank.

The reducing agent can cause skin irritation.

• Avoid contact with skin and eyes! Always wear protective gloves and safety glasses.

• If reducing agent should get on your skin, wash it off immediately with soap and water.

• If reducing agent gets in your eye, rinse the eye for several minutes with water.

• Never inhale or swallow the reducing agent!

• Should you swallow any reducing agent, rinse your mouth, drink plenty of water and contact a doctor immediately.

- Seal off the connection - 2 - on the passive tank with a clean plug.






- Attach an extension hose - 4 - to the connection - 3 - and place it in a container.

- Tip the passive tank to drain as much reducing agent as possible into the drip tray.

- Carefully remove the hose - 5 - from the connection - arrow - and the reducing agent transfer pump (V436) - 1 -.

- Push the hose down and hold it in the container.

- Drain any remaining reducing agent still inside the passive tank into the drip tray using the connecting hose.

- Seal the open lines and connections with clean plugs from the (VAS 6122).

After filling, the following steps must be performed:

- Adapting adaptation value after draining AdBlue(R) or replacing components. Refer to => [ Adapting Adaptation Value after Draining AdBlue(R) or Replacing Components ] Testing and Inspection.