Table 1. AMS 1 General Arrangement (refer to figure 1) (Cont)

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Table 1. AMS 1 General Arrangement (refer to figure 1)

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

Table 1. AMS 1 General Arrangement (refer to figure 1) (Cont)

TM 55-1925-273-10-1

0045 00

Table 1. AMS 1 General Arrangement (refer to figure 1) (continued)

Key

Control/Indicator

Function

Pump Drive Engine

This engine drives the diesel engine-driven fire pump and the towing

machine hydraulic pump. See figure 18 for details.

FM- 96 Fire Main Pressure Gauge

The fire main pressure gauge indicates the pressure within the fire main.

Asw-22, OVB'D DISCH.,

This valve controls sea water overboard discharge.

S.W. COOLING Valve

General Alarm Bell

This bell gives an audible warning when the general alarm is sounded.

Cutoff Valve, Raw Water

This cutoff valve controls the overboard discharge flow of raw water used to

Overboard Discharge

cool the bow thruster engine and the pump drive engine.

Tow Winch Hydraulic System

This system powers the towing machine hydraulic system. See figure 19 for

details.

PD-3, WASTE WTR TO

This valve controls the flow of waste water to the sewage holding tank.

SEW. HLD. TK Valve

GS-111, FF PMP PRM

This valve controls the eductor discharge.

EDUCTOR DISCH Valve

AMS 1 Watertight Door

This pump operates the watertight door between AMS 1 and the engine

Hand Pump

room.

Oily Bilge Pump COV

This is the cutoff valve to the oily bilge pump suction.

FM-84, AFFF TK SUCT Valve

This valve controls the AFFF tank suction.

Differential Pressure Gauge COV This valve controls flow to the FF pump suction differential pressure gauge.

CA-73, SVCE AIR TO FF PMP

This valve controls service air to the fire pump primer.

PRM EDUCTOR Valve

FM-200 Strobe and Beacon

The strobe and beacon flash when the FM-200 system has been actuated.

They signal that FM-200 release will begin within 60 seconds.

Raw Water Duplex Strainer

The duplex strainer removes contaminants from the raw water before it

reaches the cooling systems of the bow thruster and pump drive engines.

See figure 20 for details.

AFFF DISCH PRESS Gauge

This gauge indicates the discharge pressure of the AFFF pump.

PA Speaker and Volume Control

The speaker and volume control permit PA announcements to be heard

throughout the vessel. See figure 21 for details.

AFFF PROPORTIONER

This gauge indicates the differential pressure across the AFFF proportioner.

DIFF PRESS Gauge

SW STR DIFF PRESS Gauge

This gauge indicates the differential pressure across the raw water strainer

for the bow thruster and pump drive engines.

FM-13, F.F. TO F.M. CRSVR

This valve controls the flow between the firemain and the diesel engine-

Valve

driven fire pump discharge piping.

FM-97 and FM-99 valves

These valves cut off pressure to the firemain differential pressure gauge.

0045 00-3