Safety Flash
Weld failure on Kirby Morgan KM17B 505-055 neck clamp
Weld failure on Kirby Morgan KM17B 505-055 neck clamp
- IMCA
- Safety Flash
- IMCA SF 06/07
- CorrosionDivingInspection and Maintenance
- Ageing, life extension and obsolescenceCorrosionMechanical failure
- Diving operationsInspection and maintenance
- Functional testingPre-use checksPreventive maintenance
Summary
Reports a weld failure in an eight-year-old Kirby Morgan neck clamp, with inadequate weld bead build-up or crevice corrosion suggested as possible causes. Attached manufacturer notices describe another damaged clamp incident and detail pre-dive checks, adjustment, periodic inspection, replacement considerations and optional dye penetrant testing for suspected damage.
Classifications: Ageing, life extension and obsolescence.
Classifications: Corrosion; corrosion damage.
Classifications: Mechanical failure; equipment failure.
Classifications: Diving operations; diving; commercial diving.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Functional testing; function test.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Summary
A Member has reported that a weld on an eight-year-old Kirby Morgan neck clamp arrangement has failed.
IMCA SF 06/07. Themes: corrosion, diving, inspection and maintenance.