Apple finally realized that they couldn't get the seeds out of the Apple, which is why they came back with the Macintosh. The attempt was to at least get a better, more edible, variety going. To help keep out the worms, they made the cabinet so that a special tool is required just to open it. End result - you won't have to worry too much about fixing the thing. When you do, keep in mind that the TRS series is built for the common man.
Nothing fancy is required.
A simple Jumbo Jack will do it nicely. Keeping your computer clean is important. This is especially true of the drives. There is a mistaken belief that all you need to keep everything working right is to use one of the very expensive drive cleaning kits. Instead of trying to clean the head only, take the entire computer into the shower with you.