Dq-10 Rotted Speaker Foam Repair

Hello. Got a pair of DQ-10s need to replace the rotted foam (cones are good). Don't have a lot of money so just bought two foam replacements to install myself. Anyone give me a step by step? I have no idea what I'm doing but if I have vague instructions I can figure it out. I just don't want to force anything unintenionally. Do I leave the big wood faceplate attached and somehow pop the speaker out of the gasket or what? And how should I apply the foam (which side goes which way)? As much info as you can give would be helpful... thanks