My post on the difficulties I had installing the main gear mounts on N277PM. Pictures attached.
On the center section, if you have installed the nut plates, remove them; if not, don't. The nuts interfere with installing the mounts. The elliptical hole in the bottom skin, enlarge it more than shown on the template on drawing 34. Next, get out your step drill and enlarge the holes in the mount a couple of thousands.
Drawing 34 also calls for AN4-12A bolts. 12A's are too short, go to 13A's instead. For that long reach down to install the washers and nuts between the F-704 sections, I used a magnet to locate both the washer and nut, then to tighten I clamped a 7/16" wrench in vise-grips. It works very nice. A couple of other things, stand up slowly to let the blood drain from your brain and be sure to wipe up the profuse amount of sweat from the bottom skin.
Now I need some advice; how do I get a drill the hole behind the vertical frame member?
Paul
N277PM
LAF
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On the center section, if you have installed the nut plates, remove them; if not, don't. The nuts interfere with installing the mounts. The elliptical hole in the bottom skin, enlarge it more than shown on the template on drawing 34. Next, get out your step drill and enlarge the holes in the mount a couple of thousands.
Drawing 34 also calls for AN4-12A bolts. 12A's are too short, go to 13A's instead. For that long reach down to install the washers and nuts between the F-704 sections, I used a magnet to locate both the washer and nut, then to tighten I clamped a 7/16" wrench in vise-grips. It works very nice. A couple of other things, stand up slowly to let the blood drain from your brain and be sure to wipe up the profuse amount of sweat from the bottom skin.
Now I need some advice; how do I get a drill the hole behind the vertical frame member?
Paul
N277PM
LAF