I looked ahead in the instructions and found the answer:
Step 1: Clean or sand off any paint/primer to expose the bare metal on the bottom of the F-14117 ELT Antenna Bracket where the attaching washer and nut will make contact. See Figures 1 & 2.
I looked ahead in the instructions and found the answer:
Step 1: Clean or sand off any paint/primer to expose the bare metal on the bottom of the F-14117 ELT Antenna Bracket where the attaching washer and nut will make contact. See Figures 1 & 2.