
MAJOR COMPONENTS
Wind turbine component replacement
Northon replaces main and auxiliary wind-turbine components, including gearboxes, yaw motors, coolers, pumps and drives. The scope covers technical preparation, controlled removal, nacelle logistics, installation and acceptance activities aligned with project documentation.
- Lifting and transport plan
- Removal and installation
- Recommissioning support
04 / MAJOR COMPONENTS
Controlled component replacement directly on the turbine
The work starts with a review of the turbine model, component mass, lifting points, nacelle space and manufacturer documentation. This defines the method, tooling, safeguards and removal sequence.
The intervention can be delivered as an individual repair or part of a larger service scope. Every stage is documented and acceptance is adapted to the installed component and project requirements.
Technical scope
Components and service scope
Every project is prepared for the turbine instructions, available lifting resources and site conditions.
- main gearboxes and drivetrain assemblies
- yaw motors and gear units
- coolers, fans and heat exchangers
- pumps, actuators and hydraulic assemblies
- coupling, brake and auxiliary-system parts
- restoration of connections, fluid levels and guards
Delivery method
How is a wind-turbine component replaced?
The exact method depends on turbine design and component type. It includes turbine isolation, transport and lifting preparation, controlled removal, mating-surface inspection, installation and documented acceptance.
- 01
Plan
Confirm component, weight, parts, tools, crane and transport route.
- 02
Removal
Disconnect interfaces, protect adjacent equipment and remove the component.
- 03
Installation
Install the replacement unit and restore all connections.
- 04
Commissioning
Complete the final inspection and agreed functional checks.
Documentation
What the customer receives
- removal and installation record
- serial-number identification
- connection and service-level checks
- functional-test and observation list
Diagnostics and service decision
When should component replacement be considered?
Replacement may follow a confirmed failure, diagnostic result, excessive wear, mechanical damage or a manufacturer requirement. Symptoms such as unusual vibration, temperature, noise or recurring alarms should first be diagnosed.
Not every symptom requires a complete assembly replacement. The decision should reflect the technical assessment, event history and project conditions.
Scope planning
What determines the component-replacement scope?
Scope and quotation depend on component type, nacelle design, lifting requirement, logistics and post-installation checks.
- turbine manufacturer and model
- component type, mass and designation
- lifting and transport conditions
- associated disassembly scope
- required measurements and acceptance
- site and number of turbines
Northon / Europe
Wind-turbine component replacement across Europe
Northon's mobile teams replace components at wind farms in Poland and other European countries. Mobilisation, tooling, parts logistics and schedule are agreed for the location and technical documentation.
Preparing an enquiry
What information is needed for a quotation?
Please provide data identifying the turbine and component, the fault description and available technical records. Reports, photographs and alarm history are useful when the final scope is not yet confirmed.
- turbine model and number
- component designation
- fault or diagnosis description
- service photographs and reports
- lifting or replacement instructions
- site and requested date
E-E-A-T / Northon
Replacement based on an approved method and project records
Technical review: Northon mechanical service team
FAQ
Frequently asked questions
Which wind-turbine components can Northon replace?
The scope may include gearboxes, yaw motors, cooling units, pumps, drives and other mechanical or auxiliary assemblies, subject to turbine documentation.
Can replacement be performed in the nacelle?
Many interventions are completed directly on the turbine. The method depends on component mass, access and manufacturer provisions.
Are checks performed after installation?
Acceptance depends on the component and project and may include connection checks, operating parameters, a functional test or drivetrain measurements.
Is alignment required after generator or gearbox replacement?
It may be required by manufacturer documentation or project scope. The need is confirmed for the specific drivetrain.
What determines replacement cost?
Component type and mass, turbine design, disassembly, logistics, tooling, turbine count and acceptance scope.
How should the turbine be prepared?
Preparation requirements are defined after document review and cover safe isolation, access, parts, lifting points and the work area.
Does Northon work outside Poland?
Yes. Northon delivers wind-turbine service projects in Poland and other European countries.
