{HEAD ~ Controller} 62 may also turn off {TAIL ~ fuel flow} through fuel lines 40 and deactivate pre heater 34  
turn off
{ HEAD ~ Controller } 62 may also turn off { TAIL ~ fuel flow } through fuel lines 40 and deactivate pre heater 34
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH