REPAIR - TM-55-1905-223-24-18-20272

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

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

Replace/Repair High Frequency Assembly. (Figure 3-58)

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

h. Remove 175 watt, 25 Ohm electrical resistor (14) and resistor bracket (15).

i. Remove 175 watt, 50 Ohm electrical resistor (16) and resistor bracket (17).

j. Remove chock assembly (18).

k. Remove bus bar (13).

REPAIR

Repair at this level of maintenance is by replacement of: duel S.C.R. assembly (2), capacitor assembly (6),

electrical resistors (14, 16).

ASSEMBLY

a. Install bus bar (13).

b. Install chock assembly (18).

c. Install resistor bracket (17) and 175 watt, 50 Ohm electrical resistor (16).

d. Install resistor bracket (15) and 175 watt, 25 Ohm electrical resistor (14).

e. Install jumper tube (7).

f. Install heat sink (1).

g. Install capacitor assembly (6).

h. Install diode assembly (8).

i. Install rectifier bridge (5).

j. Install snubber board assembly (4) and hexagon nut (3).

k. Install duel S.C.R. assembly (2).

REPLACEMENT

a. Install spacer (9)

b. Install electronic component.

c. Install spacer (12), washer (10) and hexagon nut (11).

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