Replace/Repair Annunciator (Engineer's Quarters and Galley)

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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 3-112. Annunciator (Engineer's Quarters and Galley)

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

3-125. Replace/Repair Annunciator (Engineer's Quarters and Galley). (Figure 3-112)

This task covers:

a. Inspection

b. Removal

c. Repair

d. Replacement

INITIAL SETUP

Tools

Equipment Condition

Tool kit, electrician's,

Electrical power to machinery plant

monitoring and alarm system secured

and tagged "Out of Service - Do Not

Operate." TM 55-1905-22-223-10

Materials/Parts

Warning tags, Item 1, Appendix C

INSPECTION

Check exterior of annunciator for loose or missing mounting hardware. Make sure audible alarm is

screwed in securely and lamp on (Engineer Assistance Needed) push button is illuminated. Open

door and check for loose connections on internal wiring, secure as required.

REMOVAL

a. Loosen two latch screws (4) to release latches (5).

b. Swing door (2) to the left to gain access to interior.

Tag and disconnect electrical power cables (6) from terminal board TB1.

d. Remove four machine screws (3).

e. Remove annunciator (1) from bulkhead.

REPAIR

Repair at this level of maintenance is by replacement of annunciators (1).

REPLACEMENT

a. Position annunciator (1) on bulkhead and secure with four machine screws (3).

b. Connect electrical power cables (6) at terminal board TB1 and remove tags.