Technical training
Basic Technical Training Standard / V11 10032026
The 70% in stage 1 may differ due to company work instructions and procedures
Note
Two-stage tightening is used on some joints to reduce the need for re-tightening during service. Any bolts that need loosening or replacing must be re-tightened using two-stage tightening if they were originally two-stage tightened.
When tightening using two stages it is crucial to follow the specific values given in the work instruction.
Safety: Always use appropriate PPE and be aware of reaction arms and surfaces when torquing
Global Wind Organisation / www.globalwindsafety.org
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