Remove the operator's cover and the gable brace. Pull out the electrical cable and fit it through the hole.
Refit the cable brace so as to block the hole.
Use a screwdriver to open up the predrilled hole for the electrical cables of the micro switch and fir the cables to the micro switch. Fit
the micro switch to the operator.
Connect the connectors to the corresponding positions on the micro switch.
Reconnect the cables as originally connected (NO - C).
Fit the cover back onto the operator.