MSC LUB UBE OIL TESTING NG PROGR GRAM ENGINEERING COMMODITY - - PowerPoint PPT Presentation

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MSC LUB UBE OIL TESTING NG PROGR GRAM ENGINEERING COMMODITY - - PowerPoint PPT Presentation

Oct 22, 2022 345 likes •815 views

MI MILITARY SE SEALIFT CO COMM MMAND MSC LUB UBE OIL TESTING NG PROGR GRAM ENGINEERING COMMODITY SERVICES 20 June, 2019 N7 THE BEGINNI NING NG ! ! WHY TEST EQUIPMENT OIL? DETERMINE EFFECTS OF ENVIRONMENTAL CONTAMINATION IN THE

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MI MILITARY SE SEALIFT CO COMM MMAND

N7

MSC LUB UBE OIL TESTING NG PROGR GRAM

ENGINEERING COMMODITY SERVICES

20 June, 2019

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SLIDE 2

N7

THE BEGINNI NING NG ! !

WHY TEST EQUIPMENT OIL?

  • DETERMINE EFFECTS OF ENVIRONMENTAL

CONTAMINATION IN THE OIL

  • WATER
  • OXIDATION
  • ACIDS
  • COMBUSTION BY-PRODUCTS
  • WEAR DEBRIS
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SLIDE 3

N7

WHO TESTS THE OIL?

  • SHIP AND SHORESIDE LABORATORY

WHAT TESTS DOES THE SHIP PERFORM AND WHY?

  • VISCOSITY
  • WATER
  • TBN (ALKALINITY RESERVE)
  • INSOLUBLES
  • OXIDATION
  • TOTAL FERROUS WEAR METALS (FWM)

THE BEGINNI NING NG ! !

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SHIPB PBOAR ARD L LO TE TESTI TING

  • VISCOSITY
  • KITTEWAKE VISCOMETER OR SIMPLE FLOW STICK
  • MONITOR DIESEL ENGINE OIL FOR FUEL OIL DILUTION
  • WATER
  • SYSTEM COOLING LEAKS,
  • EXCESSIVE STEAM SEAL LEAKS (MAIN AND

AUXILIARY BOILERS)

  • CONDENSATION
  • TBN
  • MEASURE OF ACIDS AFFECTING ALKALINE RESERVE

IN ENGINE OIL

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SHIPB PBOAR ARD L LO TE TESTI TING

  • INSOLUBLES
  • MEAURE OF DIRT AND COMBUSTION BY PRODUCTS

IN THE OIL

  • OXIDATION
  • INDICATION OF THE USEFUL LIFE OF THE OIL
  • INDICATION OF OIL SHEAR DEGRADATION
  • FERROUS WEAR METAL MONTORING
  • WEAR METAL TRENDING TO DETERMINE REAL-TIME

FAILURE

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OFF SHI HIP S P SAMPLES

Samples are taken as directed by SAMM or situational conditions

  • All samples should be taken when the flud is in

circulation or no longer than 20 minutes after equipment is shut-down.

  • Engine and gear oil samples should be taken from the

sump via the dipstick or gear sump fill port

  • Line shaft bearing should be taken from the drain

plug

  • Hydraulic samples should be taken from the sump

when the system is energized

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SHORESIDE CONTRACT LABORATORY

The shoreside laboratory receives lube oil samples, performs visual inspection and assigns sample tracking number

  • Laboratory performs the following tests:
  • Viscosity (all samples)
  • Dispersed Water (all samples)
  • TBN (all engines)
  • Soot/ Insolubles (all engines)
  • Flash Test ( If engine oil viscosity fails)
  • Oxidation (engine, circulating, gear, and hydraulic

fluids)

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LABORATORY TESTS (CONTINUED)

  • Particle counts (All Hydraulic Fluids)
  • Total Acid Number (Synthetic, Circulation, and

Hydraulic Fluids)

  • Fuel Dilution by Percentage (Engines only)
  • PQ Index (All gearboxes and gear assemblies)
  • Spectrometry (All Equipment)
  • Analytical Ferrography (Situational)
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LAB LABORATORY O OUTPU TPUT T PR PROCESS

  • Daily, laboratory consolidates sample test

results and pushes sample report to Emprise Corporation.

  • Ferrograms are processed in 3-5 days and

emailed to MSC Technical Representative.

  • Tested samples are retained at laboratory for

a period of 45 days.

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MSC LUBE OIL SAMPLE TEST REVIEW

  • 1. Emprise Corporation posts lube oil sample

results to the “SEAS PROGRAM” for MSC’s review

  • 2. MSC reviews LO sample test results and

provided recommend to Chief Engineer

  • 3. MSC releases LO test result message and the E

“SEAS PROGRAM” pushes LO message to the ship via Email.

  • 4. “SEAS PROGRAM” pushes test results with

recommendations to the ship’s onboard SAMM data base

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SHORESIDE LABORATORY TEST SLATES

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VISCOSITY TESTING

Low viscosity might indicate:

  • Lubricant mixing (incorrect amounts added)
  • Fuel Dilution
  • Excessive refrigerant mixing
  • Base oil cracking from high heat damage

High viscosity might indicate:

  • Lubricant oxidation
  • Lubricant mixing (incorrect lube added)
  • Excessive emulsification of water in oil (causes high viscosity)
  • Serious contaminants in oil (soot, antifreeze, etc.)
  • Volatilization (long hydrocarbon molecules don’t leave)
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VISCOSITY

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VISCOSITY INDEX

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CLASSIFICATIONS OF WATER CONTAMINATION

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WATER

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FUEL D L DILUTI TION

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TOTAL AL BAS ASE NUMBER ( (TB TBN)

  • TBN is the amount of alkalinity reserve in the
  • il. Its purpose is to neutralize the acids formed

from combustion by-products and water

  • TBN applies to gasoline and diesel engine
  • Lower sulfur fuel has reduced the need for higher

TBN oils and the need for changing the sump oil as

  • ften
  • Past years many oils had a TBN of 12-15, today’s

engine oils are averaging 8-10

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SLIDE 19

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TOTAL ACI CID N D NUMBE BER ( R (TAN)

  • TAN is monitored in synthetic,

hydraulic, and circulation oils such as; Gas Turbines, Hydraulics, Steam Turbine oils, and Synthetic Gear Oils

  • Water contamination is the biggest

factor causing acids to increase in these types of oils

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SPECTRAL A ANALYSIS

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WEAR AR METAL E AL ELE LEMENTS

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WEAR AR METAL E AL ELE LEMENTS

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FT FT-IR S SPECTRO ROSCO COPY

  • THIS TECHNOLOGY IS USED TO DETECT AND

MEASURE THE FOLLOWING:

  • SOOT
  • OXIDATION
  • NITRO-OXIDATION
  • GLYCOL
  • FUEL
  • WATER CONTAMINATION
  • SULFATE
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FT FT-IR S SPECTRO ROSCO COPY

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PARTICLE C E COUNT NTS

Particle Counts are:

  • Quantitative results
  • Sensitive to water and gas contamination
  • Started with Turbines and Hydraulics (clean systems)
  • Laser based
  • Used as an indicator to trend abnormal wear
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PAR ARTI TICLE LE C COUNT T CLAS LASS

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FERROUS DENSITY B TY BY Y PQ PQ INDEX

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PQ PQ I INDEX

Advantages:

  • Insensitive to air and water in the lubricant
  • Easy test, therefore inexpensive
  • Applicable to dark and heavily contaminated

fluids Limitations:

  • Insensitive to non-magnetic particles
  • No size breakdown
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ICP t to P PQ I Index C Crossover er

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PQ I Index W Wea ear A Analysis

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Analyt ytical Ferro rogra raphy

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PQ PQ I INDEX

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PQ PQ I INDEX

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PQ PQ I INDEX

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PQ PQ I INDEX

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PQ PQ I INDEX

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PQ PQ I INDEX

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PQ PQ I INDEX

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PQ PQ I INDEX

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PQ PQ I INDEX

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PQ PQ I INDEX

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PQ PQ I INDEX

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PQ PQ I INDEX

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PQ PQ I INDEX

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QUE QUEST STION ONS?