Oil Mist Detector · Oil Mist Detection
GE Marine GE OMD-3 20ch is identified in the source list as a oil-mist detector. It is installed on or near a large diesel engine with sampling connections from crankcase compartments to a detector or scanner unit. Its purpose is to detect an abnormal increase in crankcase oil mist that may precede a hot-bearing event or crankcase explosion hazard. The source record provides no additional model-specific operating figure beyond the listed designation and category. The exact sampling method, number of channels, optical sensing arrangement, alarm logic and engine interface depend on the installed detector model. The exact model designation and any channel count contained in the source name distinguish monitoring capacity and hardware generation from neighboring detectors; refer to manufacturer documentation for the exact configuration.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Other models of the same equipment type, GE Marine first.
What our service work and the manufacturer documentation say about keeping this model running.
Inspect and clean sampling lines, detector chambers, filters and optical components according to the approved procedure. Verify sample-flow indications for all engine compartments and investigate recurring channel faults. Function-test alarms and any engine interface without bypassing protective functions beyond the authorized test method. Check power supplies, drains and heater or fan arrangements where fitted. Record cleaning, calibration and sensor replacement work because trend changes can indicate developing contamination. Refer to manufacturer and engine documentation for exact alarm settings, calibration methods and test intervals.
Keep filters, seals, sampling-line fittings, optical components where applicable, fan or pump service parts and manufacturer-recommended electronic modules. Use only components compatible with the approved engine protection system. Maintain cleaning tools and consumables specified by the manufacturer.
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