Out in the field your AEG may break down for the simplest reasons, but you may have no idea why. We’re constructing this post as an ultimate guide to fixing the simple breaks that anyone can do with standard tools and not a lot of knowledge.
Horrible sudden screeching noise? Not to worry (too much hopefully) it could just be the motor height has loosened and may just need tightening, this will likely require a flat head screwdriver if its a more modern design or a 3.5mm Allen key. See the video below for a quick guide on finding the best position of the motor disc.