28
4A. GROUND TO GO IGNITION UNIT
(FLYMO MV100S)
Some Flymo Pilot machines (L47) have been built with
an electronic ignition unit which operates the opposite
way to conventional units.
This unit has to be earthed to start the engine and can be
identified by a green collar at the base of the High Tension
lead.
NOTE - This unit must not be used on any other
application unless specified, or accidental starting when
control is in “off” position could occur. always refer to
the master spare parts list when ordering parts.
5.
SPARK PLUG (Fig. 26)
Check spark plug every year, or every 100 hours of
operation.
-
Clean area around spark plug.
-
Remove and inspect spark plug.
-
Replace spark plug if electrodes are pitted or burned,
or if the porcelain is damaged.
For replacement use :
Champion RJ17LM or RJ19 LM for Side Valve & MV
engines
Champion RN4C for OHV engines
NOTE - Side valve engines are fitted with a spark plug
of 8mm reach (OHV 19 mm). The use of a spark plug
with a longer thread will result in damage that is not
covered by warranty.
-
If reusing the spark plug, clean it by carefully scraping
the electrodes. (Do not wire brush or sand blast).
Ensure entire spark plug is clean.
-
Check electrode gap with feeler guage and set gap at
0.6 mm (.024”) if necessary.
-
Install spark plug in engine and torque to 2.1 kgm
(15 ft lbs). If lacking torque wrench tighten securely.
Fig. 26
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