Optimise gas engine performance

Louise Smyth

The following tips from ExxonMobil help operators can get the most out of their engines.

Firstly, choose the right oil for your gas. Although lubricants may represent a small percentage of operating costs, simply selecting the right oil can have a major impact on long-term maintenance costs.

Operators should take into account OEM recommendations, as well as the gas type being used.

ExxonMobil works with major OEMs to test and develop its lubricants, and is continuously developing new products that are tailored to specific gases.

For example, Mobil Pegasus 605 Ultra is specifically designed to mitigate the contaminants commonly found in gases produced from waste.

Next, choose high-performance versus conventional mineral oils.

Advances in lubricant technology have resulted in breakthroughs in extending engine life, optimising oil drain intervals and improving the overall efficiency of equipment.

By switching from conventional mineral oils to high-performance lubricants, gas engine operators can help decrease the need for unscheduled maintenance, resulting in safer operations and cost savings.

The full range of benefits of a high-performance oil can only be realised by implementing a successful switch-over.

To do this, it’s important to test the compatibility of the old and new oils, as well as evaluate engine condition and current oil contamination. This will help determine the best oil change procedure for smooth operations.

Another tip is to conduct oil condition monitoring. As part of routine maintenance, the ‘health’ of the lubricant and the equipment itself should be regularly checked.

By trending oil analysis data it is possible to proactively address undesirable conditions before they result in equipment downtime.

ExxonMobil’s new Mobil Serv Lubricant Analysis programme is a quick and easy to use system that sends maintenance professionals expert oil analysis assessments to identify potential issues, list possible causes and recommend corrective actions.

Finally, it’s important to store and handle lubricants correctly.

Specialised lubricants are formulated to help improve productivity of gas engines and protect equipment. If not handled and stored properly, they can deteriorate or become contaminated and provide inadequate lubrication or become waste.

Good storage and handling practice includes correct unloading procedures and use of a single, designated storage area.

Storage should be away from heaters, cold areas, moisture, dust and areas of varying temperature cycles.

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