Turn off the ignition.
Remove:
- nuts (1) and mounting bolt (2) from the fuel line protection shield,
- fuel line protection.

Disconnect the fitting (3) of the fuel supply line.

Attach:
- tee (Mot. 1311-08) (6) fuel lines at the outlet of the fuel tank,
- pipeline (5) from the test kit to the tee (6),
- fuel supply line (7) with tee (6).

Place the pipe (11) in a measuring container marked to 2000 ml.

Remove the cover of the protection and switching unit.
Disconnect the connector (12) of the electrical wiring between the engine and the passenger compartment.

Operate the fuel pump by connecting terminal (13) of the connector to the "+" of the battery.

Record the time it takes to fill the measuring cup.
Note: Minimum fuel pump capacity is 60 liters per hour.
Remove the positive battery terminal (13).
Install the cover of the protection and switching unit.
Disconnect:
- a pipeline with a pressure gauge from the test kit from the tee,
- tee (Mot. 1311-08) fuel lines at the outlet of the fuel tank.
Connect the fuel inlet line fitting to the fuel outlet line.
Install fuel line protection.
Tighten to the specified torque:
- fuel line protection nuts (7 Nm),
- fuel line protection bolts (7 Nm).
