You will need the screw-driver with a flat edge.

1. For convenience of work uncover the hatch of a bulk pipe of the fuel tank its lever (see. "Removal and installation of a cover of the hatch of a bulk pipe of the fuel tank").

2. Having wrung out the screw-driver a lock clamp, press it a finger …	3. … and, having pushed out the lock from a nest in the lever, remove it.

4. For the return installation of the lock insert it into a nest of the lever and press the lock a finger until fixing it in the lever a clamp.