Glossary of Diesel Engine Terminology
|The alternator is rotated by the engine when running. It is driven by the crankshaft, usually via a belt. The alternator generates power for the electrical components of a vehicle, like the interior and exterior lights, and the instrument panel and charges the battery system for power when the engine is not running. An alternator gets its name from the term alternating current (AC)., to generate power for charging the battery bank in the boat. An alternator gets its name from the term alternating current (AC) although this is rectified to DC for battery charging. Most alternators are mounted using brackets that bolt to a specific point on the engine. One of the brackets is usually a fixed point, while the other is adjustable to tighten the drive belt.
|Pulley usually located at the front end of the engine. It is connected directly to the crankshaft and drives the rubber belt, which in turn normally drives the water pump and the alternator.
|Fuel Injection Pump
|Fuel Lift Pump
|Injector Pump Governor
|A serpentine belt is a single, continuous belt used to drive multiple peripheral devices in a marine diesel engine, typically the alternator and the water pump.