30 Years
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Email: info@bartechmarine.com

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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Seized turbocharger back on-line

Seized turbocharger back on-line

If you are reliant on “heritage” engine models, or those simply not made anymore, then chances are you will have experienced supply problems for ongoing maintenance or repairs. Sourcing of spares can usually be overcome with a bit of digging, but when it comes to major assemblies, it can be a lot more complicated, not to mention expensive! One of our clients found themselves in that position recently with two Sulzer LAG46 Turbochargers that had...

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Dropped Valve Seats

Dropped Valve Seats

During the overhaul of a generator package, we came across an issue that could’ve been costly to our client. As standard, we removed & dismantled the cylinder heads, including the valve seats. However, the process for the seat removal (to heat each head to 220°C, then remove the valve seat & install the new one before the head can cool) doesn’t allow time to measure the valve seat bores. With aluminium heads, the new seats...

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