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Inspection and repair of FLENDER GRAFFENSTADEN TX40/4C gearbox

Inspection and repair of FLENDER GRAFFENSTADEN TX40/4C gearbox

  • Flender Graffenstaden
  • TX40/4C
  • Input=___ rpm / ____ KW
  • FLENDER gearboxes Repair
  • NL

Scope of work:

We performed an inspection and repair on a gearbox FLENDER GRAFFENSTADEN TX40/4C.

This gearbox is used for generator testing purposes and suffered extensive fire damage during one of these test run sessions.

Gearbox Services International was invited to establish the condition of the gearbox, in order to assess which parts can be salvaged, as well as to compile a scope of repair for bringing the gearbox back into service. During the inspection, the gearbox was completely dismantled.

Rated power gearbox : 2,500 kW
Rotational speed: 4,233 / 900 rpm

The conversion operations consists of:

  • Exterior: visual inspection, appendages
  • Casing: internal conservation, split surface flatness
  • Bearings: visual inspection
  • Shafts: runout (staightness), hardness, journal surface condition
  • Gears: visual inspection, crack testing, hardness
  • Labyrinths: visual for rubbing marks

Location - date:

The Netherlands - March 2011
See Flender Graffenstaden special page