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Steps 4, 5. Drill out the #40 holes for the nut plate attachments in the F-1037 B & C parts. Then machine countersink for AN426 rivets. Note that the blow-up says to do it on the opposite side of the picture they show you! I assume that the picture is of the inside curve of the piece, so do this on the outside. Odd instruction. Just remember, as you can see in the picture, that the battery plate will sit on top of these and be attached with the nutplates, so the outside or top has to have the countersink.
If anyone can tell me how to use the countersink tool, that's a lunch on me. I've practiced and practiced with this thing and I'm still struggling. I'm getting it to work, but if you've found it a little difficult, you're not alone.
Then final drill the 12 holes indicated with a #12 drill bit.
2/21/06 - 20 minutes |