Boat Mechanic
Marine Engine & Systems Maintenance
About This Course
A practical course on marine engine and systems maintenance and repair for boat mechanics and owner-operators. Covers engine room safety, diesel engine principles and components, fuel and injection systems, cooling and raw water systems, lubrication, air and exhaust and turbochargers, transmission and stern tube and propulsion, electrical systems and batteries and charging, steering and hydraulics and controls, troubleshooting and diagnostics, routine maintenance and winterization, and emergency repairs at sea. Interactive video lessons, guided reading, and knowledge-check quizzes throughout.
What You'll Learn
Course Curriculum
12 modules · 36 lessons · 24 hours
Marine Engine Fundamentals & Engine Room Safety
The role of the marine mechanic, the engine room as a workplace, the hazards of machinery spaces, and the safety systems and practices that keep a mechanic alive.
Diesel Engine Principles & Components
The four-stroke diesel cycle, the main components of a marine diesel, two-stroke vs four-stroke, and how a diesel makes power.
Fuel Systems & Injection
The fuel system from tank to injector, filters and water separation, injection pumps and injectors, and common fuel faults.
Cooling & Raw Water Systems
Why a diesel needs cooling, the raw water and fresh water circuits, heat exchangers and pumps, and overheating causes and fixes.
Lubrication & Oil Systems
Why oil matters, the lubrication circuit, oil grades and changes, and diagnosing oil pressure and consumption faults.
Air, Exhaust & Turbocharger Systems
The air intake and filtration, the exhaust system, turbochargers and intercoolers, and the symptoms of air and exhaust faults.
Transmission, Stern Tube & Propulsion
The marine gear and clutch, the stern tube and shaft seal, the propeller, and the bearings and couplings that transmit power.
Electrical Systems, Batteries & Charging
Marine electrical basics, batteries and battery banks, the alternator and charging, and safe electrical work on a vessel.
Steering, Hydraulics & Controls
The steering gear and hydraulic systems, the engine controls and throttles, and the maintenance of the systems that control the vessel.
Troubleshooting & Diagnostics
A systematic approach to diagnosis, reading the symptoms, isolating the fault, and using tests and tools to find the cause.
Routine Maintenance & Winterization
The maintenance schedule, the routine tasks, lay-up and winterization, and recommissioning for the season.
Emergency Repairs at Sea & Safety
Making do at sea, the spare parts and tools to carry, jury repairs, and the safety of the mechanic and the vessel in an emergency.
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