30 Years
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Caterpillar 3512 Cracked bedframe

Caterpillar 3512 Cracked bedframe

Our engineer, Matt, has just returned after supporting an operator in the Caspian Sea with the overhaul of their Caterpillar 3512 generators. Whilst working with some local engineers who had begun dismantling the engine, they showed him something they had found which required urgent attention. This is something we have come across many times before and seems to be a recurring issue, though with different causes, different damage and...

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Incorrect compression ratio

Incorrect compression ratio

This week we are working on a Mercedes Benz 400 series engine which is used in a crane on an oil platform. The engine had been experiencing problems resulting in cracked manifolds and turbocharger housings which is why it’s in our workshop, but during our inspection of the supplied spares set, we’ve been able to prevent another problem. Originally the engine had been taken out of service by another company who had ordered a set of spares for...

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Engine overhaul changes

Engine overhaul changes

We’re currently overhauling a complete generator set in our workshop. It’s one of four identical sets owned by the operator, and like a lot of operators, they usually operate under a service exchange programme, where one engine is replaced with another after a specified period of time. This time though, they’ve thought differently about the work scope to reduce the costs and disruption. As a complete package, we are responsible for the overhaul...

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The best processes for engine work

The best processes for engine work

One of our company values is continuous improvement and we’ve recently taken on a new member of the team to improve on one specific area that I think is relevant for any operator. Two weeks ago, John started with us on a STEP placement to review and develop our engineering Standard Operating Procedures (SOPs). Having been trading for 32 years, we already have plenty of experience on how we look after critical engines, so why do we feel the need...

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Overspeed switch

We’re currently working with a long-standing offshore client to carry out the urgent test and calibration of an overspeed switch from their #Detroit 8V71 turbine starter. The trip test speed was unknown by the operator, and with all engine protection devices, it is vital to ensure it will work safely and effectively when called upon. To avoid actually overspeeding the engine (or worse, should the switch fail), the switch was sent to us to carry...

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Engine vibration damage

Engine vibration damage

One of our client’s Deutz DFP6 1013 C20 fire pumps failed the other day, and our engineer Andy has been looking into the root cause.   And what he’s found is a great example of how much damage can be caused even on low hours engines and how it can be prevented. The engine arrived at Bartech after excessive movement was found on the crankshaft, and an assessment was needed to see if the engine could be repaired, or if a replacement was needed....

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