30 Years
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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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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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Magnetic Pickup Probe Issue

Magnetic Pickup Probe Issue

Our engineers were on-site recently, carrying out a top-end overhaul on an emergency generator engine when they came across an issue that is often overlooked. But if left unchecked, it can drastically impair your engine’s performance. As part of the works, our team inspected the magnetic speed pickup… You can see from the picture below that the flywheel magnetic pick-up was covered in a 1mm depth of black dirt. The dirt on the probe was...

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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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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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