Steering System

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FIGURE 2-143. TYPE-I Motor Switch.

TM-55-1905-223-10 Landing Craft Utility (LCU 200 Class) NSN 1905-01-154-1191 Manual

Steering Gear System Operation

TM 55-1905-223-10

2-13. Steering System

WARNING

Before applying power to steering hydraulic pump motors, ensure rudders are

clear aft of vessel. Secure permission from proper authority to move rudders.

Station a crew Nether at pumpset motor control panel to press STOP

pushbuttons in case of faulty or improper performance of either pumpset

during preoperational checks of steering system.

Steering System Preparation Procedures. Align Steering Gear Hydraulic Piping System (FIGURE 2-

149.1) as follows:

(1) Close all valves in the steering gear hydraulic steering gear piping system.

(2) Open valve B, LOCK VLV-PORT STRG RAM.

(3) Open valve D, LOCK VLV-PORT STRG RAM.

(4) Open valve C, LOCK VLV-STBD STRG RAM.

(5) Open valve A, LOCK VLV-STBD STRG RAM.

(6) Open valve G, UNIT No. 1 ISLN.

(7) Open valve H, UNIT No. 2 ISLN.

(8) Open valve E, UNIT No. 1 ISLN.

(9) Open valve F, UNIT No. 2 ISLN.

(10) Open valve I, Pump Unit No. 1.

(11) Open valve J, Pump Unit No. 1.

(12) Open valve K, Pump Unit No. 2.

(13) Open valve L, Pump Unit No. 2.

(14) Ensure that the STEERING CONTROL PANEL (FIGURE 2-149.2), located in the pilot house,

"MODE SELECT SWITCH" (3) is in the "OFF" position.

Change 2 2-424