Opening the locking ring
WARNING:
Working on fuel system.
Risk of fire! Danger of explosion!
Risk of fire! Danger of explosion!
- When working on the fuel system, make sure the workstation has sufficient ventilation, e.g., by means of extraction.
- Tightly seal off open lines and connections; collect any leakage fuel directly at the point of exit.
- No fire, sparks, open flames or smoking.
NOTE:
TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
- Disconnect plug connection (1).
- Unlock and detach snap fastener (2).
- Place special tool 2 452 189 or 2 445 958 (1) on the locking ring (2).
- Connect the special tool 0 495 554 (33 5 070) with a reversible 1/2 inch (3) ratchet head and place on the special tool 2 452 189 2 445 958 .
- Release locking ring (2) in counterclockwise direction.

