Check carry out in the following order:

– unscrew a gate cap;

– put on the gate liquid so that it filled with herself diameter of the gate;

NOTE For a tightening of the gate it is necessary to use only a metal cap.

– at formation of a vial wrap the gate a reverse side of a cap;

– repeatedly check the gate in the specified way. At further education of vials and at impossibility довинтить the gate, replace it;

– screw on the gate a cap.