Replace/Repair Interface Printed Circuit Board.

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REPLACEMENT

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

FIGURE 3-60. Replace/Repair Interface Printed Circuit Board

TM 55-1905-223-24-18-2

3-58. Replace/Repair Interface Printed Circuit Board. (Figure 3-60)

This task covers:

a. Removal

b. Disassembly

c. Repair

d. Assembly

e. Replacement

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, electrician's,

Welding machine removed, para. 2-51 and

disassembled para. 3-54 .

Electronic module assembly removed, para. 3-57 .

Materials/Parts

Interface printed circuit board

P/N 1373-4767

Electromagnetic relay

P/N 1373-4627

Electromagnetic relay (2)

P/N 1373-4638

Warning tags, Item 1, Appendix C

REMOVAL

a. Tag and disconnect electrical leads.

b. Remove interface printed circuit board (1).

DISASSEMBLY

a. Remove electromagnetic relay (2).

b. Remove electromagnetic relays (3).

REPAIR

Repair at this level of maintenance is by replacement of: interface printed circuit board (1),

electromagnetic relays (2, 3).

ASSEMBLY

a. Install electromagnetic relays (3).

b. Install electromagnetic relay (2).

Change 1

3-258