RUNNING-IN
W W W . C O R S A I R M O T O R S . C O M
I N F O @ C O R S A I R M O T O R S . C O M
9
All CORS-AIR engines, before being delivered, are subject to a severe quality-check, in order to
verify if all the components respect the fixed parameters, but a further running-in is anyway
necessary.
A GOOD RUNNING-IN WILL PROLONG THE LIFE OF YOUR ENGINE.
Go to a quiet place, put a thick rubber carpet under your craft to avoid that stones or other
things damage the propeller by putting it on earth and let the engine work at a speed of 2500
rpm for 5 minutes, then regulate speed at 3000/3500 rpm for 15 minutes, then at 4000 rpm
for other 15 minutes.
Switch off the engine and check that there are no loose nuts or bolts and that every
component is ok.
BE CAREFUL NOT TO TOUCH HOT PARTS (POWER UNIT AND EXHAUST PIPE).
Start the engine again and take it step by step to 4000 rpm for 5 minutes, then accelerate to
4500 rpm for 15 minutes.
During the first 10 hours, do not subject the engine to extreme efforts and speed.
Also during normal use excessive loads (ex. tandems with passenger) can force the engine
with possible damages to the engine itself.
ALWAYS CHECK at sight your craft before and after every flight, for loose parts or damage.
During the run-in period vary the power often for a proper piston ring setting.
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