Napier NA 7 Series
Turbocharge damage does not always require a replacement.
Marine Turbo supply geniune OEM units and exchange units, however many repairs can be made with specialist engineering perfected at Marine Turbo Engineering.
All of our welds are warranted to last longer that the original part was warranted by the manufacturer.

Napier NA357 complete new unit

Napier NA357 blade tip touched with cover ring workshop weld repairs are possible with full warranty

Napier NA357 rotor assembly dynamic balance check

Napier NA357

Napier na457 cover sroud ring nd nozzle ring service inspection showing cracks and score markings

Napier na457 rotor end nut and bearing removal for standard service hours and oil chamber inspection

Napier na457 service hours attendance compressor side oil pipework removal

Napier na457 turbine blade inspection before weld repairs to improve turbine efficiency and fuel savings

Napier na457 turbine blade inspection showing slight carbon build up resultinng in touching with cover shroud ring

Napier na457 turbine bladed rotor for workshop dynamic balance and concentricity checks

Napier na457 workshop inspection radial bearing inspection finding score marks possibly due to containated oil

Napier na457 workshop service inspection of the rotor assembly showing thrust collar scoring