Patent ID: 11913432
Assignee: DIESEL APS
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  B  Y | IPC B  F

Claim 0:
1. A method for dismantling a wind turbine gearbox from a main shaft in the nacelle of a wind turbine, wherein a first end of said main shaft is connected to said gearbox in a connection cavity of said gearbox and a second end of said main shaft is connected to a rotor of said wind turbine, wherein said method comprises the steps of:
arranging a hydraulic connection plug in a centre channel of a second end of a gearbox shaft of said gearbox, wherein a first end of said gearbox shaft is arranged at said connection cavity on a first side of said gearbox and wherein said second end of said gearbox shaft is arranged at a second side of said gearbox opposite said first side,
securing said hydraulic connection plug and said gearbox shaft against axial displacement in a direction towards said second side of said gearbox,
connecting a hydraulic pump to said hydraulic connection plug, and
pumping liquid into said connection cavity by means of said hydraulic pump to force said main shaft out of said connection cavity.