This driven shaft 48 is provided with {TAIL ~ axially extending channels} 50, 52 which communicate with {HEAD ~ a hydro pump} 130 that is switchable by a valve 124 
This driven shaft 48 is provided with { TAIL ~ axially extending channels } 50 , 52 which communicate with { HEAD ~ a hydro pump } 130 that is switchable by a valve 124
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH