HNSA Crest with photos of visitors at the ships.
Figure 7-1. LOCATION OF HYDRAULIC SYSTEM COMPONENTS. Sub Hydr. Home
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Figure 7-1. LOCATION OF HYDRAULIC SYSTEM COMPONENTS.

1) Motor-driven IMO pump; 2) automatic bypass and nonreturn valve; 3) accumulator; 4) high pressure air flask; 5) main supply tank; 6) back-pressure air, or volume, tank; 7) main supply manifold; 8) main return manifold; 9) main vent control manifold (six-valve manifold); 10) safety and negative and hull ventilation control manifold (three-valve manifold); 11) control room steering stand; 12) conning tower steering stand; 13) diving control stand: 14) periscope; 15) antenna mast; 16) flood valves; 17) vent valves; 18) hull ventilation and engine air induction valve; 19) main engine exhaust valves and operating gear; 20) torpedo tube outer door operating gear; 21) echo-ranging and detecting apparatus; 22) hydraulic fluid reserve tanks; 23) stern plane control cylinder; 24) stern plane motor-driven Waterbury A-end pump; 25) after capstan; 26) stern plane ram; 27) stern plane assembly; 28) bow plane motor-driven Waterbury A-end pump; 29) bow plane tilting cylinder assembly; 30) bow plane; 31) change-and-control valve; 32) rigging operating gear; 33) rigging windlass-and-capstan clutch; 34) windlass-and-capstan control shaft; 35) windlass-and-capstan drive shaft, 36) forward windlass; 37) forward capstan; 38) steering motor-driven Waterbury A-end pump; 39) control cylinder; 40) steering system main manifold; 41) ram; 42) inboard connecting rod; 43) guide; 44) crosshead; 45) rudder.


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