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SABO Marine Services completed the overhaul of the Four Stroke Engine, MAN 6L23/30H D/G!

Our skilled team provided meticulous and high-quality maintenance services for our valued customers. Furthermore, our high-end equipment of in situ valve seat grinding (Hunger Valve Seat Refacing Machine) significantly reduced the time for the job!


The purpose of the job was to cylinder heads overhaul & pressure tests including valve rotators:

  • Rocker arms & rocker arms' pins inspection

  • Valve bridge inspection and valve guide measurements

  • Valve seat refacing with our Hunger Valve Seat Refacing Machine

  • Piston units’ measurements & overhaul

  • Connecting rod measurements & serration inspection

  • Crankpin journals measurements

  • Main journals inspection

  • Crankshaft deflection and comparison to the previous records

  • Main bearings and crankpin bearings renewal

  • Cylinder liners measurements

  • Cylinder Liners No1, No3 & No6 renewal

  • Inspection of cams & rollers, FP tappets, swing arms

  • Valves clearance adjustments

  • Timing gear inspection, backlash

  • Governor drive inspection, backlash

  • Inspection of fuel pumps & injectors including adjustments

  • Inspection of conicals & adjustments

  • LO filter test and by-pass LP pressure valve test

  • Running in

  • Engine performance evaluation at 50% and 75% of the engine's load

  • Shutdowns test

  • Electrical and mechanical overspeed test

  • Lambda controller test

  • Jet assist connection test

  • Starting air system test & safety valve test

Whether you need 2T propulsion M/E or 4T D/G, our experts are prepared to offer quality services!

Thank you for choosing SABO Marine Services!

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