Safety Flash
Luff ram clevis failures
Luff ram clevis failures
- IMCA
- Safety Flash
- IMCA SF 01/13
- CorrosionInspection and MaintenanceMachinery and Equipment
- CorrosionMechanical failure
- Inspection and maintenanceROV operations
- Remotely operated vehicle
- Preventive maintenance
Summary
Reports repeated luffing-ram clevis failures on an ROV launch and recovery system during testing, recovery and launch. Investigation identified corrosion and deformation, with corrosion partly attributed to an omitted maintenance step; root-cause analysis remained ongoing. Planned maintenance was updated to include rod-eye gap checks, valve adjustment verification and visual inspections.
Classifications: Corrosion; corrosion damage.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: ROV operations; remotely operated vehicle operations.
Classifications: Remotely operated vehicle; ROV; underwater robot.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Summary
A member has reported a number of incidents in which a luff ram has parted at the clevis.
IMCA SF 01/13. Themes: corrosion, inspection and maintenance, machinery and equipment.