Fig. 2.172. Convertion of a natyazhitel of a chain of the drive of the mechanism of gas distribution in the working condition: 1 – hook; 2 – pin; 3 – plunger

Turn a bent shaft counterclockwise and exempt a plunger pin from a hook. Then turn a bent shaft clockwise and be convinced that the natyazhitel of a chain presses on a boot (fig. 2.172).