Operating Media; 1) Coolant - Rotax 912 series Operator's Manual

10.2) Operating media

10.2.1) Coolant

Effectivity: 912 Serie
OM Rev. 3
The following water-free coolant concentrate can be used based
on propylene glycol.
designation
EVANS NPG+ *
* or equivalent
When correctly applied (100% coolant concentration), there is
sufficient protection against vapor bubble formation, freezing or
thickening of the coolant within the operating limits.
WARNING: Provided nothing else has been specified by the
manufacturer of the coolant concentrate, the cool-
ant concentrate may not be mixed with conven-
tional glycol/water coolant or with additives.
Non-observance can lead to damages to the
cooling system and to motor damages, since the
properties of the coolant no longer exist.
CAUTION: The specifications of the manufacturer of the
coolant concentrate are to be observed.
NOTE: Depending on the installation circumstances
(max. cylinder head temperature reached), con-
ventional coolant can also be used. For this
purpose, see the flight manual of the aircraft
manufacturer.
AIRCRAFT ENGINES
mixture ratio %
concentrate water
100 0
07032
page 10 - 9
July. 01/2004