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As part of every new and existing application we use oil analysis to ensure oil quality is safe for continuous use. Oil samples are sent to the UK's largest laboratory for analysis providing undisputable proof of oil condition. Illustrated below are some examples of reports from the laboratory. Oil sample kits are available at £18 each.
Example No1 - Hewden had asked us to extend the engine service interval on their four KTA50-G3 generators at a UK meat plant. The engine had a standard service interval of 250 hours 400 at a stretch. This sample of oil was taken after 1354 hours since the last service and as you can see is still fit for use. This test continued to 1650 hours and was only stopped on request of the customer who was happy with the level reached. Subsequently we won the business to fit the four engines and provide Hewden with 1000 hour servicing.
Example No.2 - Generator Power won a contract to supply lpg powered generators to power cell masts all across the UK. They opted to use a Kubota D722 petrol engine converted to run on lpg. The service interval at the time was 250 hours and the engines were only lasting 5000 hours before being scrapped. Our kit included an oil make up system to ensure high sump oil levels at all times. You will see that even after 2278 hours the oil is fit for use and we continued to 2858 hours. Unfortunately due to the type of engine the tappets required adjusting every 1000 hours therefore limiting the potentially massive service interval achievable here. But still an improvement of 75%. Engine life was increased to 20,000 hours.
Example No3. - TBN, TAN & Soot, Viscocities @ 40 & 100 degrees and additive package graphs from a re-test with Aplant Powergen in 2009. This was a routine re-test program to ensure that our product and service to our customer is still working to design. In this test we carried the oil through to a lifecycle of 2000 hours before conducting a full engine service. Our committment to Aplant is in fact only 1000 hours between servicing. These graphs illustrate how the properties of the oil have changed over the 2000 hour period. Most importantly they show that the quaility of the oil is kept consistant well over the standard service interval of 400 hours.
Example No.4 - A set of graphs for a standard Perkins engine. (no specialist equipment fitted). You can see that the oil very quickly starts to degrade and required changing at 325 hours. In fact if the oi had been left in the engine up to 325 hours damage would have occured inside the engine. Ideally the oil would have been replaced beforehand at around 250 hours as per the OEM recommendation.
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