Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
Describe the purpose of the Main L/O system
|
to provide adequate lube oil pressure to the main engines for lubricating the gears and bearings
|
|
|
What are the major components of the Main L/O system?
|
a. Lube Oil Service Pumps
b. L/O cooler c. L/O strainer d. L/O purifier e. L/O storage and settling tanks |
|
|
LOSPs. What does it stand for, how many are their on board TR, and what is its function
|
Lube Oil Service Pumps (LOSPs)- There are 3 LOSP's that provide lube oil pressure to the main engines.
|
|
|
Name the 3 LOSP's and their function
|
1.Attached lube oil pump(ALOP) that is attached to the main reduction gearing.
2. Standby lube oil pump(SLOP) - steam driven that supplies 30 PSI of lube oil to the main engines. 3. Emergency lube oil pump(ELOP)- electric driven that automatically comes on when lube oil pressure drops to 25 PSI. |
|
|
L/O cooler's function
|
used to cool the lube oil to a temperature of 120- 130 degrees F. Salt water is the cooling medium.
|
|
|
L/O strainer function
|
Strainer is used to remove large particles from the lube oil to prevent damage to equipment
|
|
|
L/O purifier function
|
Purifies the oil that is in the settling tanks and the sumps of the main reduction gears and the sumps ot the SSTG's
|
|
|
L/O storage and settling tanks
How many are their and what do they do? |
There are 28 Storage Tanks that hold clean oil. There are 18 Settling Tanks that holds used oil that can be purified and re-used.
|
