The basics of refrigeration are very simple. And once you understand the basics, maintenance and repair become very straightforward. Know how to use refrigeration gauges, how to pump down and evacuate a system, and how to change the filter/drier.
You will also want to be familiar with the compressor drive system and what controls it.
Finally, know how to maintain the heat exchanger and raw water cooling pumps.
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Lets start by identifying what exactly certain boats are. Sometimes the terminology can get lost on beginners, so well look at some of the most common boats and what theyre called. These boats are exactly what the name implies. They are meant to be used for fishing. Most fishing boats are powered by outboard motors, and many also have a trolling motor mounted on the bow. Bass boats can be made of aluminium or fibreglass.