{TAIL ~ The guide disc} is guided by the axial bridges and can be displaced axially via a positioning unit by {HEAD ~ a piston} located inside the hollow shaft 
{ TAIL ~ The guide disc } is guided by the axial bridges and can be displaced axially via a positioning unit by { HEAD ~ a piston } located inside the hollow shaft
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH