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• Hand-tightensparktheplugusingthesupplied
spark plug socket.
• Slideashort,suitabletommybarthroughthehole
in the end of the spark plug socket.
• Positionthetommybarsothatequalamounts
protrude through either side of the spark plug socket.
• Finallymakethegastightsealbyturningthesparkplug
socket between ¼ to ½ of a turn. This final fractional
turn will crush the spark plug washer and make a gas
tight seal. Do not overtighten the spark plug.
• ReattachtheHTleadtotopofthesparkplug.
3. Air Filter
WARNING: Never run the engine without the air
filter element fitted.
After approximately 50 hours of use the condition of
the air filter should be checked.
Note: The air filter may require more frequent attention
if the operating environment is especially dusty.
To remove :
• Ensurethattheengineisswitched‘OFF’andthe
fuel tap is in the ‘OFF’ position. The engine should
be cold.
• UnscrewthewingnutsfromtheAirFilterhousing
cover and remove it. (Fig. 14)
• Carefullystorethesepartsforlaterre-installation.
• RemovetheAirFilterElementfromthehousing
for inspection. (Fig. 15) If the paper element of the
air filter shows signs of severe discolouration and
clogging by dirt, dust etc it should be replaced.
To refit:
• InstalltheelementintotheAirFilterHousing.
A new element can fit either way round.
• ReplacetheAirFilterhousingcover.
• Replacethewingnutsandensurethatthecover
is correctly seated and the wing nuts are securely
tightened.
Fig. 14
Fig. 15
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