SP AC-5 by Key.
Disassembly for painting.
Virtually the same as for the AC-7.
This engine had a fine spring and wire insulation connecting piping to the articulated set of gears. I had to use a the heat from a soldering iron to break free the glue (guessing AC cement) to remove one end of the 'hoses'.
I found no evidence of marker lights for vanderbilt tenders on cab forwards so I left them off the back of the tender.
Again, the cab was, first, painted green and then masked off for the black.
First coat for 2 hours at 200 degrees and then a second coat will be added.
The tender trucks came apart (unlike the functioning articulated 6 wheel trucks on the AC-7) so I hand painted the wheels to keep paint off the axle ends for electrical conductivity. Some loco black dries a dull color so no dull clear will be needed to coat them.
This engine will be getting the Sacramento grey for the boiler.