Turn air valve shafts to 45° position
Turn both air valve shafts to the 45° position.
Turn actuator to middle position
Press the button on the actuator to turn the
actuator by hand.
Turn the actuator to the middle position so that the
recess is centred.
Attach brackets to actuators
Fit the brackets to the rear sides of both actuators.
Attach actuators
Press the actuators with the brackets onto both air
valve shafts. Tighten the screws on the brackets.
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