Table 4. Emergency Switchboard (refer to figure 4) (Cont)

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Table 4. Emergency Switchboard (refer to figure 4)

TM-55-1925-273-10-1 Inland and Coastal Large TUG (LT) NSN 1925-01-509-7013 (EIC XAG) Manual

SOUND POWERED TELEPHONE

TM 55-1925-273-10-1

0059 00

Table 4. Emergency Switchboard (refer to figure 4) (continued)

Key

Control/Indicator

Function

ENG. CONTROL SW

This selects the mode of EDG operation between OFF, MAN, and STBY.

MAN OFF STBY

In OFF, the EDG is always OFF, regardless of the normal power condition.

In MAN, the EDG is enabled to operate manually, regardless of the normal

power condition. In STBY, the EDG will start, run, and take the load

whenever normal power is lost.

BUS TIE BKR SET FOR

This indicator illuminates to indicate that the feedback switch (figure 4,

FEEDBACK Indicator

item 24) is set to the FEEDBACK position.

BUS TIE BKR FEEDBACK

Use this key lock switch to select the FEEDBACK position for the bus tie

SW Normal Feedback

breaker.

MAIN SWBD BUS TIE

This circuit breaker ties the emergency switchboard to the main switchboard.

CIRCUIT BREAKER

EMG GENERATOR

This switch selects the OPEN or CLOSED position for the emergency

CIRCUIT BREAKER

generator circuit breaker.

OPEN CLOSE Switch

EMG GENERATOR

This indicator illuminates to indicate that the emergency generator circuit

CIRCUIT BREAKER

breaker is OPEN.

OPEN Indicator

EMG GENERATOR AUTO

This rheostat adjusts the output voltage of the EDG.

VOLT RHEO

0059 00-9