Air must be removed from the hydraulic system if the tightness of the brake wire network is broken in any place or if air begins to enter the system in another way.
Before venting the unit, remove dirt and foreign bodies from the venting areas and remove the tank fill plugs.
In the event that only one wheel brake cylinder or brake seat was insulated, it would be sufficient to vent only that respective braking circuit. those. front left and rear right or front right and rear left. Otherwise, the air begins to be removed either at the rear wheels or at the front, however, the sequence of actions recommended by the manufacturer is as follows: rear right, rear left, front right and front left.
After removing the dust cap, connect the clear plastic hose to the corresponding air valve. Hang the other end of the hose into a glass vessel filled with some brake fluid.
Have your assistant press the brake pedal to the floor. If the pedal is on the floor, open the screw plug covering the air outlet half a turn. Watch the flow of fluid coming out of the hose.
As soon as the air bubbles stop escaping, all air is bled from the unit. Keep the brake pedal pressed to the floor during the last stroke, close the air valve. Depress the pedal slowly.
Do the same operations in the indicated sequence with other screw plugs that close the air outlet holes.
Once again, pay attention to the fact that the level of the brake fluid must be monitored continuously so that air is not sucked into the system. Fluid pumped out of the unit must never be poured back into the tank. Also, do not use liquid that has been stored open for a long time.
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