Safety Flash
Failure of ROV lift umbilical winch brake – Update
Failure of ROV lift umbilical winch brake – Update
- IMCA
- Safety Flash
- IMCA SF 11/01
- DivingInspection and MaintenanceMachinery and Equipment
- Mechanical failure
- Inspection and maintenance
- ValveWinch
Summary
This update reports that hydraulic motors for ROV lift umbilical winches were supplied without two check valves, despite their inclusion in the circuit. The manufacturer planned replacement motors for all the reporting member’s winches, while the member continued operating them at slow speed pending replacement.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Valve; valves.
Classifications: Winch; winches.
Summary
ROV umbilical winch motors were supplied without required check valves, prompting replacement and restricted interim operation.
IMCA SF 11/01. Themes: diving, inspection and maintenance, machinery and equipment.