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10. MAINTENANCE AND TROUBLESHOOTING
10.2 SPARK PLUG MAINTENANCE –
FIGS. 30 – 31
Over time the spark plug can become contaminated.
This can be due to adverse running conditions such
as, working with part throttle for a prolonged period
or a fuel mix containing too much oil. This
contamination can build up causing the engine to
run roughly, reduce the fuel consumption or create
starting problems.
Without using any tools so as to avoid damaging
the H.T. lead, remove the lead from the
back of the spark plug.
Using the box spanner supplied , turn the
spark plug anticlockwise to remove it.
Clean the spark plug and check the electrode
gap. Maintain a gap of 0.6 to 0.7mm.
Note: When re-fitting/replacing the spark plug,
screw in hand tight, then use the box spanner to
tighten – no more than a quarter turn – as
overtightening could lead to damage of the screw
thread.
Attention: The spark plug should be replaced every
50 hours of machine use or annually during a
service. When replacing, an L7T coded spark plug
must be used.
10.3 STORAGE
– Let the engine cool down completely before storing away.
– Store the machine in a place which is dry and well ventilated.
10.4 STORING THE MACHINE FOR AN EXTENDED PERIOD OF TIME
(3 MONTHS OR LONGER)
Before an extended period of disuse, you must remove the fuel from the machine.
– Drain the fuel tank, then start the engine and let it run until it stops of its own accord.
Fig.30
1
2
3
1
Fig.31
0.6mm to
0.7mm
2
3
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