Use subtitles to get a clear picture about each job steps.
This is how major maintenance job of a cylinder unit overhaul job carrying out on a ship.
The engine model is MAN B&W 11S90 ME two stroke crosshead engine.
Cylinder cover overhaul, piston overhaul (overhauled spare piston was fixed back to save time), liner calibration were the main jobs focusing during this maintenance procedure.
