Need to trouble shoot wiring. No help in maintenence manualNot sure about the Grumman, but it may be a structural element, which means after you remove it, unless you're an A&P, you'll need the signoff. Find the Grumman maintenance manual, that may have details.
You'll need to remove or disconnect every instrument in the panel. Plug up the vacuum system, the pitot/static system, mark every wire, tube, hose, control, etc. Then, and only then, consider removing the panel.
Out of curiousity, why do you need to remove the panel? Or are you looking to just remove the overlay?
What's wrong with the wiring that needs the panel removed? Never removed a panel just for troubleshooting. There are some tricks to checking wires depending on the problems you're trying to find.Need to trouble shoot wiring.
Depends. Sometimes you can adjust holes, sometimes it would involve serious structural work - removing the panel (which may be structural) and replacing it may be necessary. Depends on the aircraft design and what kind of relocating you are doing.How do you relocate instruments?
That seems like about the worst way to do it.Can you make an aluminum overlay and attach it to the original panel, and then cut out the circles for the new instruments? I realize that in some places, you'd have to cut through the original panel there the holes did not line up.