Rubber pear we select liquid from a coupling hydraulic actuator tank.

Having weakened a tape collar, we remove a hose from the cylinder union.

Key "on 13" we unscrew the pipeline union.

Head "on 13" we turn off two nuts of fastening of the cylinder to hairpins of an arm of pedals...

... we remove it from hairpins.

We install the main cylinder of coupling as it should be, the return to removal.
We pour liquid in a tank and we pump over a coupling hydraulic actuator (see Replacement of liquid and pumping of a hydraulic actuator of coupling).