After a routine maintenance inspection of the Shoalway revealed the presence of severe (micro) pitting on the gear teeth, the Masson-Marine Type W4000 workboat gearboxes had to be completely overhauled after just under 10,000 hours of operation.
ExxonMobil recommended switching the Shoalway to Mobilgard 1™ SHC oil, as well as switching the Causeway hopper dredger to prevent development of similar issues. Boskalis also followed ExxonMobil’s recommendation to implement Mobil Serv™ Lubricant Analysis service to monitor the oil’s performance.
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Based on the experience of a single customer. Actual results can vary depending on the type of equipment used and its maintenance, operating conditions and environment, and any prior lubricant used.