| Interval |
Task |
| Check prior to every use and every 3 hours of operation |
Engine Oil (reservoir), transmission fluid - Check Level |
| Battery - Check water level and inspect for damage |
| Seawater pickup - Check for marine growth or debris |
| After each use |
Flush the cooling system |
| Weekly |
Seawater strainer - Check for debris |
| Anodes - Inspect and replace if 50% eroded |
| Every 15 hours or 90 days of operation |
Check exhaust header mounting bolts for tightness |
| Flame arrestor - Inspect and clean as required |
| Engine oil and filter - Change |
| Fuel filter - Change |
| Check and adjust valve tip clearance |
| Every 50 hours of operation or once a year, whichever occurs first |
Change transmission fluid |
| Inspect condition and tension of all drive belts |
| Inspect cooling system hoses and clamps |
| Inspect exhaust system condition and tighten clamps |
| Inspect electrical system for loose or damaged wires |
| Every 50 hours of operation or once a year, whichever occurs first |
Replace high pressure fuel filter element |
| Inspect throttle and shift components for wear and proper adjustment |
| Every 50 to 70 hours of operation |
Inspect all valve train components for wear, particularly the valve lifters. Replace components as needed |
| Every 100 hours of operation or once yearly, whichever occurs first |
Perform 25 and 50 hour maintenance items |
| Seawater pickup pump - Disassemble and inspect |
| Engine alignment check |
| Every 100 to 120 hours of operation |
Inspect all engine and supercharger rotating and reciprocating components for wear. Replace components as needed |
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