Replace/Repair Interface Unit Assembly

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REPAIR

TM-55-1905-223-24-18-2 Landing Craft Utility (LCU) NSN 1905-01-154-1191 Basic Craft Part II Manual

FIGURE 3-120. Interface Unit Assembly

TM 55-1905-223-24-18

3-131. Replace/Repair Interface Unit Assembly. (Figure 3-120)

This task covers:

a. Removal

b. Repair

c. Replacement

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, electrician's,

Electrical power to machinery plant

monitoring and alarm system

secured and tag 'Out of Service -

Materials/Parts

Do Not Operate." TM 55-1905-223-10

Warning tag, Item 1, Appendix C

LOCATION

ITEM

ACTION

REMARKS

NOTE

This task applies to the three interface unit assemblies

associated with the machinery plant monitoring and alarm

system.

REMOVAL

a. Loosen captive screws (1) and open cover (2).

b. Tag and disconnect wiring from terminal boards.

c. Remove mounting screws (4).

d. Remove interface unit assembly (3).

REPAIR

Repair at this level is by replacement of interface unit assembly.

REPLACEMENT

a. Mount interface unit assembly (3) on bulkhead. Secure with mounting screws (4).

b. Connect wiring to terminal boards. Remove tags.

c. Close door (2), Tighten captive screws (1).

d. Turn power to machinery plant monitoring and alarm system on and remove tags.