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For Gas Engine, CNG / LPG Engine
Recommendation (Regular Routine Oil Analysis)
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GasEngineCheck™ 804 |
GasEngineCheck™ 894 |
All Tests below are for GasEngineCheck™ 804
Wear Metal Elements -Condition
- Fine Wear Metal - 18 elements, ASTM D6595 or ASTM D5185
- RFS Coarse Wear Metal - 11 elements, ASTM D6595
- Particle Quantifier Index (PQ Index), ASTM D8184
Oil Condition
- Oil Condition; oxidation, nitration, sulfation
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- Oxidation, ASTM D7414
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- Nitration, ASTM D7624
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- Sulfation, ASTM D7415
- Viscosity @ 40°c or @ 100°c, ASTM D445
- Acide Number, ASTM D974
Contamination
- Oil Contamination; dirt & dust, soot, fuel, Coolant(glycol)
- % Water by FTIR, ASTM E2412M
- Soot by FTIR, ASTM E2412M
- Glycol by FTIR, ASTM E2412M
- Wrong oil contamination
- Report with Interpretation and Recommendation
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All Tests below are for GasEngineCheck™ 804
Wear Metal Elements -Condition
- Fine Wear Metal - 18 elements, ASTM D6595 or ASTM D5185
- RFS Coarse Wear Metal - 11 elements, ASTM D6595
- Particle Quantifier Index (PQ Index), ASTM D8184
Oil Condition
- Oil Condition; oxidation, nitration, sulfation
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- Oxidation, ASTM D7414
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- Nitration, ASTM D7624
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- Sulfation, ASTM D7415
- Viscosity @ 40°c or @ 100°c, ASTM D445
- Acide Number, ASTM D974
Contamination
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Highlight FocusLab's unique testing
in EngineCheck™ 804
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Highlight FocusLab's unique testing
in EngineCheck™ 894
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For BIO Gas Engine, Landfill Gas Engine and Special Gas Engine
Recommendation (Regular Routine Oil Analysis)
All Tests below are for GasEngineCheck ™ 826
Wear Metal Elements -Condition
- Fine Wear Metal - 18 elements, ASTM D6595 or ASTM D5185
- RFS Coarse Wear Metal - 11 elements, ASTM D6595
- Particle Quantifier Index (PQ Index), ASTM D8184
Oil Condition
- Oil Condition; oxidation, nitration, sulfation
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- Oxidation, ASTM D7414
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- Nitration, ASTM D7624
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- Sulfation, ASTM D7415
- Viscosity @ 40°c or @ 100°c, ASTM D445
- TBN (Total Base Number), ASTM D2896
- TAN (Total Acid Number), ASTM D974M
Contamination
- Oil Contamination; dirt & dust, soot, fuel, Coolant(glycol)
- % Water by FTIR, ASTM E2412M
- Soot by FTIR, ASTM E2412M
- Glycol by FTIR, ASTM E2412M
- SAN (Strong Acid Number ), ASTM D974M
(If and when, it will be applicable)
- i-pH in case of bio gas engine, ASTM D7946M
- Sulfur, ASTM D4294
- Wrong oil contamination
- Report with Interpretation and Recommendation
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Highlight FocusLab's unique testing
in GasEngineCheck™ 826
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Note: The above recommended test package will be guideline, the suitable test package may be vary depend upon right application, environment severity, critical factor, machine age, and so on.
Test Description
Oil Sample Quantity: 100 ml.
Oil Sampling Location/Point
- Follow OEMs recommended sampling location / point
- In the absence of OEMs guidelines , recommended below for general guidance for sampling point /location
Possible location/point will be
- At dipstick of engine - using fluid vacuum pump and plastic tube
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- Dedicated sampling valve installed upstream of the filter on the return line or
- Dedicated sampling valve tap fitted to oil feed pipes or oil passages (upstream of the filter)
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Sampling Tools & Devices
Sampling Techniques
Sampling Frequency
- Initially , follow OEMs recommended sample interval for your equipment
- In the absence of OEMs guidelines , recommended below for general guidance in establishing sample interval
Recommended Sampling Frequency (Sampling Interval)
| Industry - Application |
Normal Use |
Intermittent Use |
| Natural Gas Engine |
500 hours
or one month
and just prior to oil drain |
Quarterly
and just prior to oil drain |
Landfill Gas Engine
Bio Gas Engine
Sewer Gas Engine |
250 to 500 hours*
or half-month to month
and just prior to oil drain |
Quarterly
and just prior to oil drain |
* Shorter sampling interval when sour gas (landfill gas or sewer gas ) is used as engine fuel .
Reports
LubeCheck™ Oil Analysis Report provide :-
- Display an easy-to-read and understand.
- Information for wear condition ,lubricant condition and contamination.
- Interpretation and recommendation of the result . Option for Bilingual.
- Color coded display of overall condition for present sample and history condition of previous sample.
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- Color coded problem highlights.
- Provide new oil or reference oil for comparing result and as baseline.
- Publish Alarm Limit range of the equipment and oil.
- Comprehensive trending graph of most parameters.
- LubeCheck™ Oil Analysis offers reporting options via internet, email and fax.
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Turnaround Time Service
The report is typical available within 7-10 working days of sample receipt at FocusLab's labortory. Examples of report
Remarks: Oil samples (after completion of testing) will be retained in our laboratory for approx 60 days ,just in case of in-depth testing and/or any future purpose. |
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Technical articles and case study related to this application
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“The oil analysis tests which should be considered part of a regularly scheduled predictive maintenance and condition-monitoring program for natural gas engines include the following" |
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Practicing Oil Analysis Magazine . September-October 2003
By : L. (Tex) Leugner, Maintenance Technology Internation, Inc. |
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