Draining The Level Control
WARNING:
Toxic substances
- Danger of poisoning or suffocation
- Danger of burns to the eyes and skin
→ Ventilate the work area well.
→ Never ingest or inhale.
→ Read specific information on the Hazard Sheet.
→ Wear personal protective gear.
→ Do not smoke, eat or drink in the work area.
- Open the separating coupling -1-
on the hydraulic line in the wheel housing.
Separating coupling for front axle lift system
- 1.1 Unscrew screw -2- from the holder.
- 1.2 Spread tabs of the separating coupling using suitable pliers and pull out upper line.
- Connect filling adapter -1-
to the separating coupling -2-
in the wheel housing.
Connecting filling adapter
- Connect the Piwis Tester to the vehicle and start it. Switch on ignition.
- Close the doors and cover.
- Select Lift Front Axle → Actuators/Checks → Lift Front End (Empty System)
in the control unit overview and confirm the message text.
Information
Ensure the following during the draining process:
- Get a second worker to help during draining.
- The compressor is always activated when you press F8 to start the routine >Time approx. 10 s . The routine can be cancelled by pressing F8 again.
- The hydraulic fluid must be drained into a collection container.
- Start draining the hydraulic fluid by pressing F8. Repeat this procedure until there is no longer any hydraulic fluid coming from the system.