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

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

TM 55-1925-273-10-1

0043 00

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

Key

Control/Indicator

Function

OB-17, OILY WASTE STOR.

This valve secures the flow of oily waste into the oily waste storage tank.

INLET Valve

OB-10, OILY WTR. SEP.

This valve secures the flow of oily water separator effluent overboard.

OVBD. DISCH Valve

BATTERY CHARGER

This battery charger charges the battery bank for the machinery dc control

MACHINERY DC CONTROL

panel (figure 1, item 21). Refer to figure 10 for details.

Battery Bank, MACHINERY

This battery bank is used to power the machinery's dc control system.

DC CONTROL

OB-16, OILY WASTE STOR.

This valve secures the suction line for the oily waste storage tank.

TK. SUCT. Valve

Oil Content Monitor

This unit monitors the oil content of the OWS effluent. Refer to figure 11

for details.

Oil Water Separator

This separates oil from the oily waste water prior to discharging the water

from the vessel. Refer to figure 10 for details.

Oily Waste Discharge Pump

This is used to pump the oily waste to an approved shore facility.

Refer to figure 13 for details.

Oily Waste System Discharge

This duplex strainer removes debris from the oily waste discharge pump's

Pump Inlet Strainer

inlet piping. Refer figure 13 for details.

FO-35, F.O. RTN TO DAY TK.

This cutoff valve controls the flow of fuel oil into the day tank.

STBD

FO-37, F.O. RTN RLF - SET AT

This gauge displays the fuel oil return relief pressure.

10 P.S.I.

Space Heater

This space heater provides heat for the engine room. Refer to figure 14

for details.

OB-3, OILY BILGE SUCT.

This valve controls oily bilge suction from the starboard shaft alley.

SHAFT ALLEY

OB-7, OILY DR. TK.

This valve secures the suction line from the oily drain tank.

SUCT Valve

Reduction Gear 1 Cooling

This motor controller controls the motor for the reduction gear 1 cooling

Pump Motor Controller

pump. Refer to figure 15 for details.

Reduction Gear 2 Cooling

This controls the motor for the reduction gear 2 cooling pump. Refer to

Pump Motor Controller

figure 15 for details.

OB-5, OILY BILGE SUCT.

This valve secures the oily bilge suction for the starboard side of the engine

ENG. RM. Valve

room.

OB-21, HOSE CONN. - OILY

This valve provides a connection and cutoff for the engine room aft oily

BILGE SUCT.

bilge.

Raw Water Strainer, Fire and

This strainer removes debris from the fire pump and general service pumps'

General Service Pump Suction

suction line.

Refrigeration Valve Manifold

This manifold permits control of the refrigeration and air conditioning

systems. Refer to figure 16 for details.

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