1. Make sure that height of the accelerator pedal is correct and that the butterflies of the (or the air valve on D./E vehicles) are closed. 2, Pull the cable (6), then allow it to return slowly to its position. 3. At this point, with the cable under tension but not stretched, the holes coupling pin(5) in the fork-end (3) of the cable and in the lever (4) should be in line : the pin (5) should be "free". If this is not the case release the lock nut (7) and adjust the (8) in the appropriate direction.