Black rallye gauge

No problem! But you need to know, I am having some issues with interference with the gauge needle and the gauge face. Apparently when I added the backing to the body of the gauge, it caused some tighter clearance, causing the needle to rub against the gauge face. I'm still trying to work that out. I would like to just use the ammeter body, and install the voltmeter into the ammeter body, but I don't know how to remove the ammeter from the plastic body.

If someone here can advise me on how to disassemble the ammeter, it would be greatly appreciated.