FIGURE 2-261. Torque Sequence Diagram (Typical).

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REPLACEMENT

TM-55-1905-223-24-18-1 Landing Craft Utility (LCU) NSN 1905-01-154-1191 Basic Craft Part 1 Manual

Repair Butterfly Valves.

TM 55-1905-223-24-18-1

Tighten bolts in sequence as shown in FIGURE 2-248.

(1)

FIGURE 2-261. Torque Sequence Diagram (Typical).

(2) Tighten bolts until a noticeable increase in torque is felt and when metal

to metal contact is made.

c. Operational check.

(1) Remove warning tags and turn on electrical power at 240 V main

switchboard.

(2) Operate system; refer to TM 55-1905-223-10.

(3) Check for leaks in system and retighten connections as necessary.

2-988