Wind Turbine Technician how-to
How to Torque Bolts to Specification
Correct bolt torque keeps turbine components secure under enormous loads.
Quick answer
Correct bolt torque keeps turbine components secure under enormous loads. In short: review; confirm; clean, then complete the remaining steps below.
Step by step
Review the maintenance procedure for bolt locations, torque values and sequence.
Confirm your torque tool is calibrated and set to the correct value.
Clean and lubricate threads if the procedure requires.
Apply torque in the specified pattern and stages.
Mark each bolt after verification as required.
Record values and any bolts that fail to reach torque.
Safety reminders for wind turbine technicians
- Inspect fall protection before every climb and stay tied off
- Lock out the turbine and rotor before entering the hub or working on systems
- Respect wind speed limits for climbing and work
- Always work with a partner and know the rescue plan
Key terms
Nacelle · Rotor · Hub · Gearbox · Generator · Yaw system: see the full wind turbine technician glossary.