2018/08/12 - Disassembly and Sharpies
You'd think, when they laser cut, waterjet, whatever, these panels, they could save us houlrs of work by putting the rivet holes in the sheet metal. If you thought that, you would be wrong.
Step 1 - Draw lines where the chassis tube meets the sheet metal, take lots of pictures, then disassemble all the mounted sheet metal.
And there's a lot of sheet metal.
Time estimate: 3 hours