Fuel Oil Transfer Pump · Pumps
Azcue Pumps (Spanien, gegr. 1937 Mendaro) ist Iberian/Mediterranean Standardlieferant für Marine-Pumpen. MO-Serie ist Standard-Gear-Pump auf spanischen, italienischen und südamerikanischen Newbuildings.
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What our service work and the manufacturer documentation say about keeping this model running.
Standard gear pump service.
| Mechanical seal inspection | typically every 4,000-8,000 hours or condition-based |
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| Strainer cleaning | per fouling rate, commonly every 250-500 hours or as indicated by differential pressure |
| Coupling alignment check | at each major maintenance or after any disturbance to pump/motor mounting |
| Internal clearance/overhaul | condition-based, typically every 15,000-25,000 hours depending on fuel cleanliness - confirm against maker's guidance |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Gear-to-casing radial clearance | typically a few tenths of a millimetre for pumps in this flow range, but scales with pump size (MO 25 through MO 65) - confirm against the specific size's manual rather than assuming one figure |
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Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Fuel oil transfer pumps are typically part of the fuel oil system covered under machinery class rules; surveyors check for leakage, guarding, relief valve function and availability of a standby pump where a duty/standby arrangement is required.
Estimated lifetime: Standard marine gear pumps of this type commonly run 20,000-30,000+ hours between overhauls in clean fuel service, with life significantly reduced by dry-running, cavitation or abrasive contamination - confirm against maker's guidance for the specific size fitted
Azcue MO standard kits.
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