Table 1. Engine Room, Miscellaneous Systems (refer to figure 1)

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ENGINE ROOM: MISCELLANEOUS SYSTEMS

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

Table 1. Engine Room, Miscellaneous Systems (refer to figure 1) (cont)

TM 55-1925-273-10-1

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Table 1. Engine Room, Miscellaneous Systems (refer to figure 1) (continued)

Key

Control/Indicator

Function

Control Air Receiver

This receiver stores the control air for the vessel's control air system. Refer

to figure 3 for details.

PW-20, C.W. TO W.C.

This cutoff valve controls cold water to the water closet.

PW-21, C.W. TO W.C.

This cutoff valve controls cold water to the water closet.

Control Air Dryer

This air dryer removes moisture from the control air before it is routed to its

components. Refer to figure 4 for details.

Sewage Discharge

These valves enable sewage to be discharged from the vessel. Refer to

Pump 2 and Valves

figure 5 for details.

Cutoff Valve, Compressed Air

This valve secures the compressed air to the compressed air quick

disconnect valve beneath the EOS.

Regulator, Compressed Air

This regulates the pressure of the air available at the compressed air quick

disconnect valve beneath the EOS.

Quick Disconnect Valve

This valve permits attachment of a hose to the compressed air line beneath

the EOS.

FM-1, SEA SUCT, F.F. PMP.

This valve secures the raw water to the engine-driven fire pump.

Valve

Asw-17, SEA SUCTION S.W.

This strainer removes debris from the engine-driven fire pump's suction

COOLING

line.

Cutoff Valve for FF PMP

This valve secures pressure to the FF PMP SUCT STR DIFF PRESS gauge.

SUCT STR DIFF PRESS Gauge

Seachest Cutoff Valve

This valve secures raw water from the sea chest to the pump drive engine

and the bow thruster engine.

#1 SEWAGE DISCHARGE

This controls the motor for sewage discharge pump 1. Refer to figure 6 for

PUMP Motor Controller

details.

Sewage Discharge

This pump and its associated valves enable sewage to be discharged from

Pump 1 and Valves

the vessel. Refer to figure 7 for details.

SEWAGE PMP NO. 1

This gauge indicates the discharge pressure for sewage discharge pump 1.

DISCH PRESS Gauge

FF PMP SUCT STR DIFF

This gauge indicates the differential pressure across the firefighting pump

PRESS Gauge

suction strainer (figure 1, item 10).

Remote Indicator (Alarm)

Refer to figure 8 for details.

Assembly

PW-39, ENG. FILL CONN.

This provides a connection and a cutoff for a potable water hose.

STBD Valve

120V Emergency Distribution

This panel provides circuit protection for the engine room's emergency

Panel No. 1

electrical systems. Refer to figure 9 for details.

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