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Main and auxiliary engine overhauls, workshop and on board.

Scheduled and unscheduled overhaul of marine diesel engines, with cylinder, piston, crankshaft and bearing work performed at the Perama workshop or alongside the vessel. Performance restoration delivered to engine maker procedures and class society oversight.

Scope
Main and auxiliary
Coverage
Workshop and on board
Standard
OEM and class
Welders
Certified

Engine overhaul and performance restoration.

The company overhauls main propulsion engines, auxiliary generator engines and shipboard machinery. Work is delivered by qualified engineers using calibrated measuring equipment, with components reconditioned at the factory and reassembled aboard. Every job is scoped to the engine maker's manual and signed off under class society procedures.

01

Top end and running gear

Cylinder unit overhaul covering covers, liners, pistons, rods and exhaust valves. Removal, inspection, reconditioning and reassembly to engine maker tolerances.

  • Cylinder cover removal and pressure testing
  • Piston crown and skirt inspection and renewal
  • Liner gauging, honing and replacement
  • Exhaust valve and seat reconditioning
  • Connecting rod bearing renewal
02

Bottom end and crankshaft

Bearing renewal, alignment verification and crankcase work to manufacturer limits. Performed in situ where the engine geometry permits.

  • Crankshaft deflection measurement
  • Main and crankpin bearing renewal
  • Tie rod retensioning
  • Crankcase inspection and oil seal renewal
03

Auxiliary engines and generators

Overhaul of generator engines, emergency sets and shipboard auxiliary machinery. Workshop reconditioning of removed components.

  • Full top overhaul of auxiliary engines
  • Turbocharger removal and bearing renewal
  • Cooler, pump and governor reconditioning
  • Performance trial after reassembly
04

Workshop machining and recovery

Component machining and recovery at the Perama factory using permanent mechanical equipment.

  • Surface grinding and line boring
  • Stud extraction and thread repair
  • Pump, valve and heat exchanger overhaul