Last week we promised to tell you about the potential mistake we avoided during an offshore attendance for a failed turbocharger, if you missed it, click HERE.
During the workscope, we reached the stage of refitting a piston that had been removed to cure leaking liner o-rings. As is good practice, we replace piston rings when doing this.
This is where we noticed something was amiss with the rings.
Before proceeding, to be sure our suspicions were correct we consulted the manual, and sure enough, we were.
What was wrong?
The new piston rings had been labelled incorrectly.
The scalloped side had been marked as the top when it should have been the on the bottom.
Had we just installed them as per the markings, it would have led to excessive oil consumption and costs for the operator.
So, unfortunately the takeaway here is; don’t always trust what you see – sometimes even the manufacturers get it wrong.
