Table 1. Operator Preventive Maintenance Checks and Services (PMCS) (continued)

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RADIO ROOM

TM-55-1925-273-10-2 Inland and Coastal Large TUG (LT) NSN 1925-01-509-7013 (EIC XAG) Manual

Table 1. Operator Preventive Maintenance Checks and Services (PMCS) (continued)

TM 55-1925-273-10-2

0158 00

Table 1. Operator Preventive Maintenance Checks and Services (PMCS) (continued)

ITEM INTERVAL MAN-

ITEM TO BE

PROCEDURE

EQUIPMENT

NO.

HOUR

CHECKED OR

NOT READY/

SERVICED

AVAILABLE IF:

Monthly

0.2

Inspect

Visually inspect security alarm system for

obvious damage, missing parts, and

tampering.

NOTE

Notify pilothouse that alarm is to be

tested.

Monthly

0.2

Test

Open door and verify that both the alarm

buzzer and light are energized. Set rotary

snap switch to OFF position and verify

that both the alarm buzzer is silent and the

light is not lit. Reset the alarm and secure

the door.

Radio Room

Door Alarm

Alarm Switch Board

Located in the Pilothouse

Radio Room

Door Open

Indicator

0158 00-2