Hyundai HY6222 User Manual page 22

7.1.4. Other checks.
7.1.4.1. Check for fuel leaks repair as required.
7.1.4.2. Check for any loose fastenings, tighten as required.
7.1.4.3. Check for any damage to major parts especially handle joints and guide
bar mounting.
7.1.4.4. If any defects are found, you MUST make sure they are repaired before
operating the machine again.
7.2. Periodical service points.
7.2.1. Engine cylinder fins.
Before cleaning make sure that you block the air intake hole.
Remember to unblock air intake hole after cleaning.
7.2.1.1. Any dust clogging between the cylinder fins will cause overheating of the
engine. You MUST periodically check and clean the cylinder fins after
removing the air cleaner and the cylinder cover.
7.2.1.2. When refitting the cylinder cover, make sure that all switch wires and
grommets are not trapped and positioned correctly in place.
7.2.2. Spark plug.
7.2.2.1. Clean the electrodes with a wire brush and reset the gap to 0.65 mm as
required.
7.2.3. Sprocket.
7.2.3.1. Check for cracks and for excessive wear interfering with the chain drive. If
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