ADBLUE® Pump
Removing
Follow all safety precautions SAFETY PRECAUTIONS => Observe the following when working on the reducing agent metering system: .
Follow the guidelines for cleanliness. Refer to CLEAN WORKING CONDITIONS .
-- Switch off ignition and remove ignition key.
Danger due to reducing agent leaking out.
- To prevent large amounts of reducing agent when opening the metering line, wait for the recirculation process to complete. Refer to SAFETY PRECAUTIONS .
-- AdBlue® active tank, draining. Refer to ADBLUE® ACTIVE TANK, DRAINING .
-- Disconnect the connector -4-.
-- Remove the bolt -2- and disengage the reducing agent pump -V437- -3- on the active tank.
Place a clean cloth under the separating location to catch any reducing agent that may leak out.
Seal off all open lines and connections with clean plugs.
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.
-- Press the release button and disconnect the supply line -1- and return line -5-.
-- Remove the metering line -6- by pressing the release button.
Installing
Install in reverse order of removal. Note the following:
- For the correct tightening specifications, refer to ADBLUE® ACTIVE TANK AND ATTACHMENTS OVERVIEW .
-- Make sure the lines are clipped to the active tank.
-- Adapting adaptation value after draining AdBlue® or replacing components. Refer to ADAPTING ADAPTATION VALUE AFTER DRAINING ADBLUE® OR REPLACING COMPONENTS .