Hydraulic device for removing and inserting marine bushings.

摘要

A hydraulic device (1) for extracting and inserting marine bushings (22) mounted in the supports (16) for driving shafts (15) of boats provided with a screw propeller (14), comprises two parallel hydraulic cylinders (5) delivering the axial thrust for said operations and two parallel air cylinders (7) to return the device (1) to the inoperative position.