Port Main Engine.

TM 55-1915-200-10

2-5.6.2.2.

Port Main Engine Lube Oil Circulating

NOTE

System Alignment. (FIGURE 2-127)

At rated load and speed, ensure the temperature is

between 140160 F and pressure is within 260-280

a. Open Port Main Engine lube oil filter inlet valve

psi.

(2).

2-5.6.2. Port Main Engine.

b. Open Port Main Engine lube oil filter outlet

valve (24).

2-5.6.2.1. Port Main Engine Reduction Gear Cooling

Water Piping System. (FIGURE 2-125)

2-5.6.2.3. Port Main Engine Lube Oil Transfer and

Purification Piping System Alignment. (FIGURE 2-128)

a. Open Port

Main

Engine

expansion

tank

discharge valve (9).

a. Open Port prelube pump suction valve (36).

b. Open both Port Main Engine cooling water

b. Open Port prelube pump discharge valve (26).

discharge valves (24) to keel cooler.

c. Open discharge valve (28) to Port Main Engine

c. Open both Port Main Engine cooling water

lubricating system.

suction valves (23) from keel cooler.

d. Close valves (37) and (50).

NOTE

e. Set MAIN ENGINE PRE-LUBE OIL PUMP

Observe

expansion

tank

level

PORT circuit breaker on Engine Room Motor Control

indicator; refill expansion tank as

Center (77, FIGURE 2-103, Sheet 5 of 7) to the START

needed.

position.

d. Open Port Reduction Gear expansion tank

f. Press MAIN ENGINE PRE-LUBE OIL PUMP

discharge valve (14).

PORT start button (105).

e. Open Port Reduction Gear cooling water suction

NOTE

valve (28) from keel cooler.

Prelubricate engine at a minimum of

f. Open Port Reduction Gear cooling water

10 psi (69 kPa) for a period of not

discharge valve (29) to keel cooler.

less than 3 and not more than 5

minutes.

g. Open Port Reduction Gear cooling water system

vent (16).

2-5.6.2.4. Port Main Engine Fuel Oil Service Piping

Alignment. (FIGURE 2-130)

h. Open pressure gauge cutout valve (15).

a. Open Port Main Engine inline stop valve (9).

i. Set GEAR OIL COOLING PUMP PORT circuit

breaker on Engine Room Motor Control Center (43,

b. Open Port Main Engine fuel oil strainer inlet

FIGURE 2-103, Sheet 3 of 7) to the AUTO position.

valve (12).

2-386