Sprockets. Types, replacement ratios and how to change them. That pretty much sums up what you'll be expected to tell the assessor in section 30.1.14. Once again, you'll only need to "demonstrate knowledge" of this information, and that means answering a couple of questions. Find out a bit more after the jump...There's only two types of sprocket that you need to remember ("spur" and "rim & spline") and a replacement ratio of 1 sprocket every 2-3 chains. The bit about replacing the drive sprocket only refers to the machine that you'll have in front of you - so for those of you with a Stihl it really couldn't be easier.
With a Stihl saw, you'll have an inboard clutch and it's easy to see what needs to be done just by looking at it. You might find it a bit more difficult with a chainsaw that uses an outboard clutch, but listen in to what the assessment schedule has to say about it...
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