The hydro pump 130 functions in that either channel 50 or channel 52 is provided with overpressure by receiving {HEAD ~ fresh hydraulic fluid} via the hydro pump 130 from a reservoir or {TAIL ~ supply} 134 
from
The hydro pump 130 functions in that either channel 50 or channel 52 is provided with overpressure by receiving { HEAD ~ fresh hydraulic fluid } via the hydro pump 130 from a reservoir or { TAIL ~ supply } 134
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 HEAD OTH OTH OTH OTH OTH REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH