THE SITUATION
A Hansen bevel/helical cooling tower gearbox was received with significant internal damage, impacting its reliability and performance. Inspection identified broken teeth on the spiral bevel gear set, along with a worn output shaft journal and an incorrect internal shim arrangement. The unit required a comprehensive refurbishment to restore it to full working condition.
THE SOLUTION
Our team carried out a complete gearbox refurbishment, addressing all identified issues with precision and care.
Work completed included:
– Replacement of the complete spiral bevel gear set
– Reclamation of the worn output shaft journal through metal spraying and machining
– Correction of the internal shim arrangement to ensure proper alignment and operation
– Full rebuild of the gearbox
– Final testing to verify performance and reliability
Each stage was executed to exacting standards to ensure the gearbox met operational requirements.
THE RESULT
The gearbox was successfully restored and returned to the customer, ready for reliable service. The refurbishment extended the life of the unit, eliminated critical faults, and ensured dependable performance moving forward, minimising the need for costly replacement.