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Cylinder Identification

Cylinder Identification

During a recent job, we realised that the cylinders on the engine had been misidentified. It reminded me of a much more serious problem we’ve seen before, which you can see in the picture below. All this was as a result of the A-bank pistons being fitted in the B-bank and vice versa. Not only is it critical to return the pistons to the correct bank of the engine, but when it comes to communicating, resolving and recording engine information, it...

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Unsalvageable Cat 3408 Engine

Unsalvageable Cat 3408 Engine

We’ve recently received two sets of critical CAT 3408 engine spares from an operator. Their previous service company advised them that they were either unsalvageable or out of spec & would require repairing – at an eye-watering high cost. Before taking this costly step, the operator decided to send the parts to us to inspect for a second opinion. The parts arrived at Bartech completely stripped & on multiple pallets. A lot of the parts...

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Damage from wrong Injectors

I was talking to a friend of mine the other day, and he told me a story I thought you’d find useful. He’s been working in South America where he had to rectify an expensive error from a previous engineer. The operator is using some Detroit 16v71 engines and was experiencing issues with the engine’s timing, so they called a local company to rectify the problem. As part of their work, they decided to change out the injectors, but unfortunately,...

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Fuel filter causing low fuel flow

Fuel filter causing low fuel flow

As part of an inspection and filter replacement work scope recently completed on two MTU 20V 4000 engines, we noted something that can impact the performance of your engine. We were on-site to replace the airflow restriction indicators, along with the Separ filters, and when changing out the filters we made the discovery: The engine has two fuel filters which were both removed and it was found that the left-hand filter was dry inside,...

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Missing Fuel Pipe

Missing Fuel Pipe

Last week we got a call from an operator facing some major downtime issues, the situation provided a good example of how well-managed strategies can prevent these emergencies. The engine drives a safety-critical pump, and when a fuel pipe failed, they were looking at shutting down the site. I’m sure you have reviewed critical spares holdings and from my experience, there are usually plenty of discussions between technical, operational and...

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Excessive Engine Backlash

Excessive Engine Backlash

We’ve just started supporting a new marine operator, and the other day they were getting some concerning noises following the overhaul of their Caterpillar 3406 engine by another firm. As it turned out, a fundamental setting had been missed. Once on the vessel, we checked the backlash of the timing gears and found them to be out of tolerance, and the result was this damage to the teeth on the gears: The engine arrived in our workshop, where we...

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