Once it is triggered, the pressure cutback means automatically reduces the fluid pressures in {HEAD ~ both} of the selected force transmitting mechanisms and {TAIL ~ the conduits} to respective predetermined cutback fluid pressures 
of
Once it is triggered , the pressure cutback means automatically reduces the fluid pressures in { HEAD ~ both } of the selected force transmitting mechanisms and { TAIL ~ the conduits } to respective predetermined cutback fluid pressures
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH