Locking mechanism tool and system

A locking and unlocking tool for at least one of:

• connection and/or disconnection of a set of a flying plate and a fixed plate, the locking and unlocking tool comprising a glide bush and a front housing mounted onto the glide bush and partially covering the glide bush, wherein a main shaft is axially moveable within the glide bush, wherein a pushrod, having a cone at one end thereof, is axially moveable within the main shaft in order to operate in radial direction one or more locking dogs, wherein the locking and unlocking tool further comprises one or more plungers in the glide bush, each plunger being radially moveable within the glide bush, each plunger being outwardly and radially extendable when being subject to a force, wherein the glide bush further comprises one or more radial bores therein, each radial bore being connected, at one side to, a source hydraulic channel in the front housing and, at its other side, to a respective axial canal, each axial canal being arranged in the glide bush and dedicated for further connection to its respective plunger, said one or more plungers being hydraulically operated by a hydraulic fluid provided from a hydraulic fluid source.