Match-drill 1/4" holes in the Cowl 12 Oil Door into the oil door recess. Center an HW 212-12 camlock receptacle on one of the 1/4" holes in the oil door recess using an HW 2600-3W camlock fastener. Align the camlock fastener parallel to the edge of the oil door opening as shown. Match-Drill #40 the two camlock receptacle attachment rivet holes into the oil door recess. Repeat for the second receptacle.