Safety Flash
Diving helmet: Failure of sealed pull pin
Diving helmet: Failure of sealed pull pin
- IMCA
- Safety Flash
- IMCA SF 15/13
- CorrosionDivingInspection and MaintenanceMachinery and Equipment
- CorrosionMechanical failure
- Diving operationsInspection and maintenance
- Personal protective equipment
- Functional testingPre-use checksPreventive maintenance
Summary
A sealed pull pin on a Kirby Morgan diving helmet separated during helmet removal after an air dive, without injury. Assessment identified crevice corrosion of the shaft. The flash highlights pre- and post-dive checks, regular inspection and functional checks, replacement of both assemblies, and adherence to fastener torque specifications.
Classifications: Corrosion; corrosion damage.
Classifications: Mechanical failure; equipment failure.
Classifications: Diving operations; diving; commercial diving.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Personal protective equipment; PPE; personal protection equipment.
Classifications: Functional testing; function test.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Summary
A member has reported an incident without injury in which the knob of a sealed pull pin assembly (p/n 505-110) on a Kirby Morgan diver’s helmet came apart.
IMCA SF 15/13. Themes: corrosion, diving, inspection and maintenance, machinery and equipment.