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EOOW > Main Lube Oil Service, Fill and Transfer System > Flashcards

Main Lube Oil Service, Fill and Transfer System Flashcards

1
Q

What are the system componets of the Lube Oil System

A
  1. 1 L/O sump per MRG
  2. 3 Positive Displacement LOSP
    a. 2 Electric Motor Driven LOSPs that are vertically Mounted
    b. One Attached mechanically driven LOSP, driven by the MRG. Adequate Supply above ~ 116 Shaft RPM.
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2
Q

What is the L/O Attached Service Pump rating?

A

693 GPM at 168 SRPM at 75 PSIG

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3
Q

What is the L/O Electric Pump Rating?

A

318 GPM slow at 100 PSIG

560 GPM fast at 100 PSIG

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4
Q

What Regulates the L/O Temp?

A

Three way regulating valve

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5
Q

What type of cooler is the L/O cooler?

A

A Shell and tube type heat exchanger using seawater as the Medium.

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6
Q

What are the L/O Pump Logics?

A
  1. Normal L/O header pressure is 14.5 PSIG
  2. 13 PSIG - Lead Electric cycles to Slow
  3. 11.5 PSIG - Lead Electric cycles to fast
  4. 10 PSIG - STBY Electric cycles to fast
  5. Pumps will not stop if loss of L/O Pressure
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7
Q

What is the Rating for the LOFSP?

A

500 GPH at 100-170F

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8
Q

What are the capabilities of the LOFSP?

A
  1. Purify MRG Sump
  2. Purify the CRP Sump
  3. Purify L/O settling tanks
  4. Purify L/O Storage tanks
  5. Transfer L/O to and from Sumps, tanks.
  6. Transferring L/O to/from MER to MER
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9
Q

What is Batch Purification?

A
  1. Striking L/O from Sump to settling tank.
  2. L/O is heated to 160F and kept in the tank for 24 hrs
  3. Water and Sediment settle in the bottom and then are stripped. Rest of the Oil is restored.
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10
Q

How many L/O storage tanks are there

A

Three tanks in MER1 holding 1300 gal

Three in MER2 holds 1100 gal

Each holds approx 1300 gals

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11
Q

MRG Sump Capacity

A

MER1: 2469
MER2: 2273

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12
Q

MRG Normal Sump Capacity

A

1700-1750 Gal

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13
Q

MRG Sump Low Level Alarm

A

1400 Gal

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14
Q

MRG Sump High Temp

A

130F

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15
Q

MRG Sump Low Temp

A

90F

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16
Q

What is the min shaft RPM to support attached pump

A

116 SRPM

17
Q

MRG Pump low discharge pressure alarm

A

35psi

18
Q

MRB Low Pressure Alarm

A

8 PSI

19
Q

MRB High Pressure Alarm

A

20 PSI

20
Q

MN Thrust BRG Press Low Alarm

A

4 PSI

21
Q

Normal DP for L/O Filter

A

6 PSID

22
Q

High DP L/O Alarm for Filter

A

12 PSID for 5 second

23
Q

Three way temp low alarm

A

120 F

24
Q

Three Way Temp High Alarm

A

130 F

25
Q

Settling tank heater

A

8Kw 90F to 160F in 5 hours

EOOW (8 decks)

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