Asking someone who is experienced always helps, but taking the electra apart, well spyders in general, isn't very hard at all.
Some dude on youtube uploaded a crazy amount of support videos for spyder markers. This is the video that will demonstrate how to take it apart.
YouTube - Basic Teardown
Don't fret if that's not the electra, all spyders are the same inside, they just have different looks and accessories to them.