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Practical Seamanship / Boat Systems

Engine-hour maintenance

Technical visualEngine-hour maintenance
Engine-hour maintenanceA maintenance decision diagram showing engine hours as one trigger alongside calendar interval, duty cycle, operating environment and manufacturer instructions.1ENGINEHOURS2CALENDAR +CONDITIONS3OEMGUIDANCEservice interval = applicable manufacturer instruction
Engine-hour maintenanceA maintenance decision diagram showing engine hours as one trigger alongside calendar interval, duty cycle, operating environment and manufacturer instructions.1ENGINE HOURS2CALENDAR INTERVAL3DUTY + ENVIRONMENT4MANUFACTURER GUIDANCE
Use actual manufacturer intervals; do not infer a universal service interval from engine hours.

Engine hours are a maintenance trigger, not the only trigger.

Manufacturers can specify service by:

hours

calendar interval

whichever occurs first

operating environment

duty cycle

Outrun should track actual OEM intervals rather than inventing "change X every 100 hours" as a universal rule.

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