The cable sheath serves both as a purge fluid supply for the bearing, and as a means for flushing {HEAD ~ abraded debris} away from {TAIL ~ the pump} 
away from
The cable sheath serves both as a purge fluid supply for the bearing , and as a means for flushing { HEAD ~ abraded debris } away from { TAIL ~ the pump }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL