Safety Flash
Diving bell clamp mating screws
Diving bell clamp mating screws
- IMCA
- Safety Flash
- IMCA SF 08/05
- DivingInspection and Maintenance
- Mechanical failure
- Inspection and maintenanceSaturation diving
- Diving bell
- Pre-use checksPreventive maintenance
Summary
Inspection before saturation diving revealed severely worn bell mating screws and clamp nuts despite apparently acceptable threads. Clamp weight masked the deterioration, making operation appear normal. The member highlighted regular dismantling and thorough component checks with the weight removed from the nuts and screws.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Saturation diving; sat diving.
Classifications: Diving bell; closed bell; wet bell.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Summary
A Member has reported the following issue discovered during a ‘routine’ inspection prior to the commencement of saturation diving activities using a bottom-mating system.
IMCA SF 08/05. Themes: diving, inspection and maintenance.