Who ever owned my rv before must have used epoxy or that red lock tite on the 4 screws that hold the a/c cover on because I used a big phillips head screw driver and cant budge them. I mean I have nev...
Matt has some very good advice. If you do ruin the tabs, you can make some new ones out of heaver material, and pop rivet them to the AC base, then drill new holes. You could even use light weight angle made of S.S., or aluminum. If the holes through the AC cover get damaged, you can use "Fender Washers" to cover the damaged area.