Separator/Purifier · Separators & Purifiers
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| Bowl disassembly, cleaning and disc stack inspection | per the manufacturer's manual, typically every 4000-8000 hours - confirm against this model's manual |
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| Bearing replacement | per the manufacturer's schedule, commonly every 8000-16000 hours or a fixed calendar interval (e.g. 1-2 years) - confirm against the maker's manual |
| Sliding bowl bottom O-rings/gaskets | replaced at every bowl overhaul |
| Gear/friction clutch oil change | per the manufacturer's interval, typically every 2000-4000 hours |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Bearing replacement timing | per the manufacturer's schedule, condition (vibration) plus a fixed calendar limit - no generic hour figure, confirm against this model's manual |
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| Disc stack/bowl wear (erosion, pitting) | replace on visible wear or pitting per the manufacturer's inspection criteria |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Fuel oil purifiers/separators are usually within the Continuous Survey Machinery scope on classed vessels; class looks for evidence of bearing/overhaul intervals followed per the maker's manual, vibration monitoring records, and the correct disc/gravity ring configuration for the fuel currently in use.
Estimated lifetime: Disc-stack separators of this size and duty are commonly kept in service 15-20+ years, with the bowl and frame as the long-life components while bearings, seals and gaskets are wear items replaced on a fixed schedule.
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