Hyundai HTRT65-2C Original Instructions Manual page 19

f. Sprocket
Check the sprocket on signs of wear. If wearing is important, replace it with a new one. Do not
install a chain on a worn or damaged sprocket. Do not install a worn chain on a pinion.
g. Spark plug
Clean the electrodes with a wire brush and set the gap to 0.6mm if necessary.
h. Chain saw
Check each time the cutter and cutting angles are as shown below.
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