| 摘要 |
A hydraulic system for steering and tilting an outboard drive unit for a boat including a pump, a steering sub-system including a double acting cylinder and piston connected to provide steering movement to a steerable part of the unit and provided with hydraulic liquid from the pump, and a trimming and tilting sub-system including a cylinder and piston assembly provided with liquid from the steering sub-system. Manual valves control tilting and trim positioning of the unit, and steering, while pressure relief valves are arranged to prevent damage to the unit and system upon excess steering control, striking of external objects, and the like.
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