Iveco 8281SRI25 – black smoke

Iveco 8281SRI25 – black smoke

While Cris – our engineer – was visiting a client’s site last week he was asked to look at an Iveco 8281SRI25 engine. The engine was started, and straight away, thick plumes of black smoke were emitted. The client explained that this was normal on startup, but after 5 minutes of running, there was no change to the colour of the smoke. Talking to the client, they were unaware of the significance of the smoke colour, and that...

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Is the case affecting your Woodward PSG governor performance?

Is the case affecting your Woodward PSG governor performance?

Our engineer Andy has just finished resolving a fuel control problem, and I figured I’d share it with you as it might help if you have a similar issue. The problem was caused by a Woodward PSG governor fitted on a cruise vessel’s Daihatsu 6DL-20 generator engine. The operator had tested the governor on board but found that when it reached the right temperature, the oil pressure was dropping. Once the governor had arrived in our...

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Cylinder head oil starvation

Cylinder head oil starvation

We’ve currently got some cylinder heads in our workshop for overhauling. It’s not unusual for us to to be doing this type of work, but these particular heads have highlighted a problem which can affect most engines.And the results can be catastrophic.It was during the inspection of the rocker gear that we found some of the oilways on the rocker posts were blocked with carbon deposits: If the rocker posts had not been removed and...

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Caterpillar starter motor seized

Caterpillar starter motor seized

When carrying out maintenance we all know how vital it is to keep track of parts and tools used. But it’s not just tools we need to keep track of. An offshore client sent us two Caterpillar air starter motors to overhaul; one had seized and the other was not operating correctly on demand. Our engineer Mark set to work on these, starting with inspection and then stripping them down – at this point, the cause of the motor seizing...

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Cat 3412 Starter Ring Inspection

Cat 3412 Starter Ring Inspection

One of our contracted clients got in contact with us the other day. They’d been having problems starting their CAT 3412 engine and in finding the cause, they managed to prevent a bigger problem.Onboard, they found the starter ring was damaged – this was a result of the regular high forces applied by the starter motor pinion.  As a safety critical engine, they are reliant on it being available during certain operations and with...

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MTU genset issues and record keeping

MTU genset issues and record keeping

Last week one of our MTU trained engineers, Matt, headed out with his laptop, complete with DiaSys diagnostic software.He was tasked with looking at a couple of MTU 20V4000G62 generator sets, which were having various problems with alarms, hunting and synchronisation.Once Matt got onsite, he started to look at the hunting and synchronisation issues on the first set by connecting up the laptop to see what information there was from the MDEC.This...

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