Operating instructions

Fuel system   21

6.7 Fuel system

6.7.1 Fuel system venting

Preconditions

 Engine is stopped and starting disabled.

Material

Designation / Use Part No. Qty.

Diesel fuel

FLS

WARNING

Fuels are combustible.

Risk of fire and explosion!

 Avoid naked flames, electrical sparks and ignition sources.

 Do not smoke.

LP fuel system venting

1. Loosen flushing/return line of HP pump at

connection (1).

2. Unlock fuel priming pump (2), unscrew handle.

3. Operate the fuel priming pump (2) with the

handle until bubble-free fuel comes out of the

connection (1).

4. Lock fuel priming pump (2), screw in handle.

5. Verify that fuel priming pump (2) is locked:

Handle must be tightened.

6. Tighten connection (1) of flushing/return line.