Well, it seems the context you've provided is the standard boilerplate from YouTube, which is about as useful for furniture disassembly as a chocolate teapot. Fear not! As a content expert who has wrestled many a puffy monster into submission, I can guide you through this rite of passage.
Grappling with a manual recliner sofa is often a quest to find a few secret levers. Your primary goal is to separate the backrests from the main base, which miraculously transforms the sofa from an immovable monolith into manageable chunks. Feel around the back of the sofa, down in the crack where the backrest meets the seat base. On the outer edges of each reclining section, you should find a small metal lever or a plastic tab. These are the magic release mechanisms. You'll typically need to pull the lever up or push the tab to liberate the backrest, which you can then lift straight up and off its metal tracks. It might take a bit of wiggling, so don't be shy.
Once the backs are off, you've won half the battle. If your sofa has a center console or is a multi-piece sectional, flip the main base over to inspect its dark underbelly. You're now looking for bolts or brackets that connect the individual seating sections. These are usually pretty obvious and can be undone with a simple wrench or screwdriver. Loosen these, and the sections should slide apart. Just be careful when flipping furniture; it’s always heavier than it looks, and it has an uncanny ability to find and pinch fingers. Happy dismantling
