Replace/Repair Searchlight Power Supply

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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 3-51. Searchlight Power Supply (Sheet 1 of 3).

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

3-50. Replace/Repair Searchlight Power Supply. (Figure 3-51)

This task covers:

a. Removal

b. Disassembly

c. Repair

d. Assembly

e. Replacement

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, electrician's,

Electrical power to searchlight

power supply secured and

tagged "Out of Service - Do Not

Materials/Parts

Operate."

Circulating fan P/N 4434X

Electromagnetic relay P/N 8433

Time totalizing meter P/N 6094

Ammeter P/N 9591

Electromagnetic relay P/N 4722

Paper - plastic dielectric

metallized fixed capacitor

P/N 4212X

Cartridge fuse (30 AMP, 250V)

P/N 4113A30

Electrolytic fixed capacitor

P/N 4404X

Power transformer P/N 4395X

Cartridge fuse P/N 4110A3

Rectifier assembly P/N 4390X

Electrolytic fixed capacitor

P/N 4405

Choke assembly P/N 4394X

Resistor assembly P/N 9723X

Warning tag, Item 1, Appendix C

REMOVAL

a. Tag and disconnect electrical leads.

b. Remove mounting bolts (34, Sheet 2).

c. Remove enclosure assembly (31).

Change 1

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