Operating Manual
UL
POWER
UL
260,
UL
350,
UL
390,
UL
520
M0310: OM 260 - 520A01 Revision No: 04
Date:
2021-11-18
Page:
8
of
23
Cooling system
All engines are air and oil cooled. Installing the ram air ducts that come with the engine, is
mandatory.
See installation manual for more info on this subject
The installation of an oil cooler is mandatory as the oil is not only used to lubricate but also to cool
the engine. See installation manual for more info on this subject.