THE DECOMPRESSOR REMAINS BLOCKED
Detach the gum tube on the decompressor and inject inside 1 or 2 drops of
detergent. Detach the spark plug cap and let the prop turn. If this is not enough,
disassemble the decompressor with a tube wrench of 15, modified in the external
diameter with a lathe. Remove encrustments from the decompressor and by
reassembling it, tighten it at 2 Kg/M or 20 Nm with a dynamometric wrench.
SOME FINAL IMPORTANT ADVICE
NEVER switch on the engine with people near propeller, or to sides. The
BREAKAGE of a propeller can cause very severe hurts even several metres away.
DO NOT keep engine at peak rpm after the take off, except for the absolutely
necessary time and for emergencies (obstacles or sudden wind).
If you use big propellers, REMEMBER that cooling is not perfect flying at high
speed, so keep under control the temperature of the engine with proper
instruments (CHT). In addition, dismantle the propeller at regular intervals and
check that it is perfectly balanced, since an unbalanced propeller, even slightly,
creates micro-vibrations which are not felt by the pilot, but can damage seriously
parts of the engine with consequent breakages. Please do NOT forget that the
propeller has mass and a considerable inertial moment, so it’s advisable not to
vary suddently the RPM of the engine, both in flight and on the ground. These
sharp and violent stresses could cause damages to the reduction, to the engine, to
the belt and also possible deformations to the fixing holes of the propeller.
Once you have found the perfect carburation, DO NOT modify it unless you
change flying place going to much higher or lower altitudes or unless climate and
temperature are very different from the ones where you fly usually.
DO NOT FLY in bad weather conditions, you’ll fly the day after. REMEMBER:
FLIGHT IS FOR FUN, NOT FOR RISKING YOUR LIFE! HAVE A GOOD
FLIGHT AND ENJOY YOURSELF.
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