Any hydraulic system works normally if air is removed from it.
During removal of air add only pure DOT 3 liquid recommended by the manufacturer.
Never use repeatedly liquid which flowed out from a hydraulic drive of coupling.
Brake liquid is hygroscopic, that is absorbs moisture from air. Therefore the liquid, being stored in open ware, it is not recommended to use a long time.
At continuous leakages of liquid from a hydraulic drive or hit in hydraulic system of air define the reason and a place of leak and eliminate damage.
Air removal from a hydraulic drive of coupling make as follows (in the course of pumping watch that level of brake liquid did not fall below the middle of a tank of brake system):
Remove a protective cap from the pumping union on the working cylinder of coupling and clear the union.
Put on one end of a transparent hose the pumping union, the second end of a hose lower in the glass vessel filled with brake liquid on 5–7 see.
The assistant should press a coupling pedal, and at the pressed pedal unscrew on a turn half the pumping union.
Continuing to press a pedal, force out the liquid which was in system together with air through a hose in capacity. After the pedal will reach extreme bottom situation and the liquid effluence through a hose will stop, screw the pumping union home.
Repeat these operations, the air outlet from a hose will not stop yet.
Holding a pedal in the pressed situation, tighten the pumping union against the stop and remove a hose from the pumping union.
Wipe the union of pumping and establish a protective cap.