Upon attainment of such predetermined degree of tension the stop member is operable by the tensioning device to move to a position out of engagement with {HEAD ~ the cowl halves} to permit {TAIL ~ the closing} of the cowl halves 
to permit
Upon attainment of such predetermined degree of tension the stop member is operable by the tensioning device to move to a position out of engagement with { HEAD ~ the cowl halves } to permit { TAIL ~ the closing } of the cowl halves
OTH OTH OTH OTH OTH OTH 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 HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH