Infringement of normal backlashes can be caused following reasons:   
      – Deterioration of a working surface of the lever of the valve; 
       – Jamming плунжера the hydrojack in the bottom position because of pollution or deposit adjournment; 
      – Failure of a pusher with the hydrojack.  For reduction of probability of jamming it is necessary to clear details of pushers of a dirt and resinous film adjournment. At assemblage it is necessary to establish all details of pushers on the places, without breaking a complete set and to extra earnings of details.    |