Even if you have a manual the manual tells us 'What' to do not 'How' to do it.
When taking something apart for the first time its a good idea to video or at least snap pic's of the dis-assembly sequence so you have something to refer to when your try and put it back together...
years brands and model #'s help those who take the time to help you find the specific answer your looking for and invite more helpful answers than this one