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How do you do a BS&W for 2190?
- Fill 2x 100ml tubes with 50% sample and 50% solution
- Spin at 1500rpm for 30 minutes (+1 min to get to 1500rpm).
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Where do results go?
- Results get logged in the LOQM log
- SAE 40 also goes into the Kittiwake log
- Sat samples go back to the sump.
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What is the design capacity of the Lube Oil Purifier?
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Describe MRG Lube Oil Sequencing.
- When running with only the attached pump online, the lead pump starts on low at 22 psi, when system pressure drops to 20 PSI, the lead pump starts on high,
- when system pressure reaches 18 PSI the lag pump starts on high speed, so both
- pumps start on high at 18 PSI.
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What are the logics for MRG L/O?
- Normal - 17-26PSI
- Lead pump start LOW - 22 PSI
- Lead pump goes high - 20 PSI
- Emergency start in high - 18 PSI
- Alarm - 17 PSI
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When do we take L/O samples?
- daily while operating
- prior to transfer
- weekly from storage tanks
- every 4 hours while purifying
- after starting systems (30 minutes)
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Where do L/O results go?
- Results get logged in the LOQM log
- SAE 40 also goes into the Kittiwake log
- Sat samples go back to the sump.
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What is a hot bath / water bath and why is that required?
- A water bath is to heat L/O to 120 deg F to remove cloudiness in fuel caused by low temperatures.
- If the sample is 120 deg F and is still cloudy, that is an indication of water..
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What NSTMs do L/O apply?
- NSTM 262 - MRG 2190, LSB 2190 and MPDE
- NSTM 245 - SSDG SAE 40
- What is an efficiency sample?
- Inlet and Outlet samples are drawn
- Outlet must be better or equal to the inlet.
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What is shooting the bowl?
- It is sending potable water horizontally through the bowl to clean out all of the sludge that builds up during purification.
- This occurs every 4 hours and the sludge goes to the sludge tank underneath the purifier.
- Take a sample 30 minutes after shooting the bowl.
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Is there a written requirement to purify MRG 2190 like there is to purify CPP 2190 (the CPP requirement is a minimum of 4 hours a day)?
- No there is not
- GBYs requirement comes from CHENG.
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What do we do with 2190 Lube Oil that fails C&B?
- Renovate it via the purifier and settling tank (aka batch purification).
- We send it to the settling tank and heat it there to separate the water and oil before sending it through the purifier.
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How often do we check sump levels for MPDEs and LSBs?
Daily while operating.
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What are testing parameters for SAE 40?
- Fuel dilution: change out oil if result is 3.5% or greater
- Viscosity: Oil change is not required between 108-165 cSt
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Why does viscosity matter?
- Low viscosity = quick flow
- High viscosity = slow flow
-
What is a hot bath / water bath and why is that required?
- A water bath is to heat L/O to 120 deg F to remove cloudiness in fuel caused by low temperatures.
- If the sample is 120 deg F and is still cloudy, that is an indication of water..
-
How often do we check sump levels for MPDEs and LSBs?
Daily while operating.
-
What are testing parameters for SAE 40?
- Fuel dilution - change out oil if result is 3.5% or greater
- Viscosity - Oil change is not required between 108-165 cSt
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When are L/O samples required?
- Daily when operating MPDE, LSB
- Weekly CPP
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What is the criteria for 2190 oil sample?
C/B
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What is the criteria for 2190 with a non-purifiable sump?
C/B
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What is the max percentage of allowable thickening?
40
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What is TB?
Total base number
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What NSTM covers 2190 and 40 WT?
262
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What NSTM covers CPP and Hydraulic Systems?
245
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MPDE: What is the maximum/alarm L/O inlet temperature?
140 F
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MPDE: What is the L/O inlet pressure?
70-85 psi
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MPDE: What is the L/O inlet pressure alarm?
58 psi
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MPDE: L/O standby pump will start at what pressure?
65 psi
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MPDE: What is the Engine shutdown L/O pressure?
50 psi
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MPDE: What is the L/O systems temperature?
100-150F
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MPDE: What is the L/O sump level?
1,375 gl 2,000 gl
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MPDE: What is the low L/O sump level alarm?
1,371 gl
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MPDE: What is the L/O cooler DP alarm?
30 psi
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MPDE: What is the L/O strainer DP?
2-15 psi
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MPDE: What is the L/O strainer DP alarm?
15 psi
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MPDE: What is the L/O filter DP and alarm?
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MPDE: What is the rocker arm L/O header pressure?
14-30 psi
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What is a SNOK?
- Standard Notes For Oil King
- Consist of adhering to Clean Water Act,
- COs Permission prior to pumping,
- Leak down tanks must be pumped down and monitored,
- Oil King will do initial alignment and this must be second checked by an Officer,
- Station overflow watches,
- Communication is key.
- Fuel oil service tanks shall be filled immediately after being taken off suction.
- Prior to being placed on suction, tank must be allowed sufficient time to settle, then checked for the presence of water IAW NSTM Chapter 541.
- When a fuel oil tank is open, ensure there is no smoking or naked lights in the vicinity of the open tank.
- The use of open lights, electrical or mechanical apparatus capable of sparking, shall not be permitted within 50 feet of a fuel hose, open tank, open sounding tube, vent, or any area where fuel oil or fuel oil vapors may be present.
- An oil spill containment kit shall be readily available prior to and during all refueling operations.
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What is the requirement for an unsat sample on CPP system and what are the limits?
?
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What tests are required on 40WT Lube Oil in the MPDE and SSDG?
?
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What is the sampling periodicity for MPDE and SSDG ?
?
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What is the max percentage of allowable dilution?
5
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