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Apart from when actually burned out, a plug may
need to be replaced because it no longer delivers its
best performance, such as when:
When to replace the glowplug
Filament surface has roughened and turned white.
Filament coil has become distorted.
Foreign matter has adhered to filament or plug
body has corroded.
Engine tends to cut out when idling.
Starting qualities deteriorate.
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TOOLS, ACCESSORIES, etc.
The following items are necessary for operating the
engine.
FUEL
Use only top quality methanol-based model engine
fuel.For consistent performance and long engine life,
it is advisable to use fuel containing AT LEAST 18%
lubricant. This engine is designed to run on both low and
high nitromethane content fuels,i.e. from mild mixtures
containing a few percent of nitromethane, up to high-
speed racing fuels containing 40% nitromethane.
Generally, power output is increased-up to a certain
point-
as the nitromethane content of the fuelis increased.
As a starting point, we recommend a fuel containing 10-
20% nitromethane, changing to a fuel containing more
nitro only if necessary. When the nitro content of the fuel
is increased or the brand of fuel is changed, it is advisable
to initially run the engine with a richer needle-valve
setting, so that the optimum setting for the new fuel may
be rechecked as described in the RUNNING-IN
paragraphs. When engines are run at very high speeds
and on high-nitro fuels, glowplug elements do not last
so long.
Model engine fuel is poisonous. Do not
allow it to come into contact with the eyes or
mouth. Always store it in a clearly marked
container and out of the reach of children.
Model engine fuel is also highly flammable.
Keep it away from open flame, excessive heat,
sources of sparks, or anything else which
might ignite it.
Reminder!
BATTERY INTEGRATED GLOWPLUG HEATER
Commercialy available handy
glowplug heater in which the
glowplug battery and battery
leads are integrated.
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