English 5.906-565.0 Rev. 00 (12/12) 17 Pull down circlip. Remove the pressure switch. Disconnect the water supply hose from the cylin-der head.Note:Should you wish to replace the valves of the pump aswell, perform the following steps prior to dismantlingthe cylinder head:– Loosen the valve screws (see "Replacing valves").– Remove pressure switch (see "Removing thepressure switch").– Loosen the pressure retaining valve (see "Checkpressure retaining valve").– Loosen the overflow valve (see "Check overflowvalve"). Unscrew 8 screws. Carefully pull out the cylinder head using bothhands.7.6 Removing the pressure switch 7.7 Dismantling the cylinder head
