The basics of the theory and technical operation of auxiliary mechanisms , devices and systems electrohydraulic steering machines , Distributors , Pumps, Fans, Condensation and evaporation plants , Heat exchangers are given their fundamental schemes , Management and Regulation , Model designs are considered. The textbook is intended for cadets of faculties of convulsive engineering and automation of heat and power processes of higher marine educational institutions . Some sections of the textbook can be useful for students of faculties of advanced training, employees of design organizations and services of shipping companies, ship specialists .