Replace/Repair Electronic Component Assembly.

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ASSEMBLY

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

FIGURE 3-57. Replace/Repair Electronic Component Module (Sheet 1 of 2)

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

3-55. Replace/Repair Electronic Component Assembly. (Figure 3-57)

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 .

Materials/Parts

Duel S.C.R. assembly

P/N 1373-4016

Capacitor assembly

P/N 1373-4084

175 watt, 50 Ohm electrical

resistor P/N 1373-2087

175 watt, 25 Ohm electrical

resistor P/N 1373-4113

REMOVAL

a. Remove hexagon nut (11), washer (10), and spacer (12).

b. Remove electronic component assembly.

c. Remove spacer (9).

DISASSEMBLY

a. Remove duel S.C.R. assembly (2).

b. Remove hexagon nut (3) and snubber board assembly (4).

c. Remove rectifier bridge (5).

d. Remove diode assembly (8).

e. Remove capacitor assembly (6).

f. Remove heat sink (1).

g. Remove jumper tube (7).