| 1. Unscrew a cap from the gate. | 
 
 | 2. Put on the gate of a few saliva. At vial formation screw up the gate a cap underside. The prevention
  For a gate tightening to use only a metal cap.    
 | 
 
 | 3. Repeatedly check up the gate. At a further education of vials and at impossibility довинчивания the gate, the gate replace. | 
 
 | 4. Necessarily screw a cap. |