(The accompanying image is looking from the rear left corner of the frame toward the front right corner. Front, Left, Right, and Rear are stated as if looking/working from the front of the machine.)
And also:
(Right, rear, etc are stated as if looking at the piece, after installation, from the front.)
I stared at this a good long time when I started assembling the frame and convinced myself that the left/right of the orientations in the
table are relative to the
image which is (as stated) from the rear. You can see that right away on frame piece 1a which calls for 2 extra nuts on the "right" (which, from the front of the machine, would put them on the inside). It calls for 0 on the "left" which would be where the skins attach. Similarly the right side 2b calls for nuts on the left rather than the right.
Still too soon to know if any of the counts are wrong...