Reducing Agent Passive Tank, Draining
Special tools and workshop equipment required
- Engine Bung Set VAS 6122
- Drip tray
Procedure
Follow all safety precautions. Refer to WORKING ON REDUCING AGENT METERING SYSTEM, VEHICLES WITH SCR CATALYTIC CONVERTER .
Follow the guidelines for clean working conditions. Refer to FUEL SUPPLY, INJECTION SYSTEM AND CHARGING SYSTEM CLEAN WORKING CONDITIONS .
-- Remove the reducing agent passive tank. Refer to REDUCING AGENT PASSIVE TANK, REMOVING AND INSTALLING .
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 any open lines and connections with a clean plug from the Engine Bung Set VAS 6122.
After Filling, the Following Steps Must be Performed:
-- Adapting Adaptation Value after Draining Reducing Agent or Replacing Components, refer to ADAPTING ADAPTATION VALUE AFTER DRAINING REDUCING AGENT OR REPLACING COMPONENTS .