The Light Weight Engine Houtekietstraat 11
B-8540 Deerlijk, Belgium
EFFECTIVITY page 29
ALL 19-3-2019
reservoir cap and check if sign of water are visible, especially watch out for traces of foam, which is
an indication that the oil has some water in it.
Verify the hose clips of the oil supply system for tightness and verify that the pipes are not bended.
A slightly low oil level does not automatically lead to engine damage, but may lead to higher
temperature as there is not enough oil available for the inner cooling of the engine. In case the oil
temperature increases slowly but continuously it is often an indication of a low oil level.
If the oil level is much too low in the oil tank, the pipes toward the gear pump may get empty and the
gear pump may suck air instead of oil. In such case the required oil pressure is not reached at all or
too late. If this happens, stop immediately the engine, refill the oil to necessary level and remove the
air from the pipe toward the gear pump.
NOTE
Take care not to waste oil on the ground or inside the engine compartment.
Throttle adjustments.
Adjust idle speed to 800 RPM using the idle screw on the throttle.
Confirm smooth running at idle. Run the engine at 1800 RPM and close the throttle to idle
position. The engine should idle smoothly at 800 RPM for fix wings aircrafts. 1010 RPM for
helicopters (depending on the choice of the fly wheel).
CAUTION!
The rotating propeller is extremely dangerous! Adjustments must be
done with the utmost caution from behind the engine. The aircraft must
be tied down or properly chocked. Do not perform this operations
without a safety observer.
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