CS30.1.07 deals with the information needed to select a replacement chain for a given saw. One of the common (and valid) answers when asked 'How do you ensure you get the right chain?", is to provide the guide bar length. This is not necessarily the best way, find out more after the jump...The problem with chain length is that it is not just specific to the guide bar length; the make of chainsaw will also have a bearing.
This means that if you ask for a chain to fit an 18" guide bar, you might get the right length, or you might not. An 18" bar on a Stihl chainsaw will likely need a different length chain to the 18" bar fitted to Husqvarna, and that's where the problem starts. Anyway, listen to the assessment activity and relevant criteria for this section...
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