ROTOmotor Ltd., Czech Republic - Europe
ROTO 85 FS
ROTOmotor Ltd., Czech Republic - Europe
Operating instructions
ROTOmotor manufacturer of top four-stroke engines
Page:15
Always check that the ignition is off
Starting the engine
We will perform a cold start according to the following instructions:
After ying, do not run out remaining fuel from the aircraft tank.
System will be vented and the engine will start incorrectly.
Switch on the carburettor choke and, if possible, at the same time plug the carburettor intake
with your nger so that the engine intake effect is maximized. Rotate the propeller about ten
times and then release the carburettor intake, turn off the choke valve, turn on the ignition and
start the engine without the choke. We will only use this when the fuel is rst drawn from the
tank into the carburetor.
Allow the engine to warm up to operating temperature and run the engine for 15-20 minutes
with occasional throttle.
Then ne-tune the carburetor to the exhaust system used and propellers. Use the needle mar-
ked „H“ to ne-tune the maximum engine power and the second needle with mark „L“ to adjust
the engine transitions to maximum speed.
The idle speed is set by the throttle servo on the transmitter.
For warm engine starts it is good to use a starting system without a choke
Remember to check the correct function of the on-board system before each
start by testing the range of the transmitter.
The rst way to start:
8.
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