Marantz 8B Conversion to Triode Mode Help

Does anyone know of a resource showing this conversion with pictures, video, or drawings for a novice. The instructions sound simple, but I am not sure I know the parts the simple instructions are referring to and would love some pictorial reinforcement. The instructions I've seen that are most clear are not identical, but are below. The manual seems to say move a resistor on each tube base, but there's more: 

• It is necessary to unsolder one end of each of the four 100 ohm resistors (R20A, R 20B, R21A, and R21B) from the solder terminal steps mounted near the output tube sockets and reconnect them to pin 3 of their socket base. (This will leave resistors from pin 4 to pin 3 on each output tube socket. The screen tap wires — green and green/white — remain dead-ended at each terminal strip.) (Marantz instruction manual)

• To convert this amp to triode mode, unsolder the screen grid resistors from the taps of the output transformer. Find those terminal lugs, and attach the now-unused wires to SEPARATE lugs. These wires must remain unconnected to anything! If you have to put some heat shrink on the ends of the wires (don't do anything rash like cutting them short in case you change your mind or sell the amp on to a collector) & tuck them out of harm's way instead, do that. Connect the screen resistor (100 ohms?) wired to pin #4 to the anode, which is pin #3. (Joe Rosen on Tube Asylum)

• The 8b can be converted to Triode by moving a resistor on each EL-34 output tube. Output will drop to around 18wrms p/ch. The original manual shows how to do this. (Tube Asylum)