Make sure that the butterfly valve is completely closed.

Fig. 2.317. Adjustment of a cable of the drive of a butterfly valve

Move a cable of the drive of a butterfly valve in the A and B directions, and check compliance of a gap of a cable of the drive of a butterfly valve to norm (fig. 2.317).

If the gap does not meet standard, adjust a cable gap a lock-nut of C.

Standard: 1,0–3,0 mm.

Inhaling moment: 9,8–14,7 N · m.