BRP-Rotax
INSTALLATION MANUAL
OIL LINES
At negative pressure of -500 mbar and a oil temperature of 140 °C (284 °F) the oil lines
must not collapse.
A minimum inner diameter of at least 10 mm (0.39 in.) should be used.
Oil tank venting
line
Following points should be considered when installing the oil tank venting line:
• Route the line without kinks and avoid sharp bends
• Route the venting line in a continuous decline. Otherwise a drain bore at the lowest
point should be foreseen to drain any condensate.
Figure 12.11: Bypass opening
1
Bypass opening
2
Cowling
NOTE
Water is a by-product of the combustion of fuel. Most of this water will dissipate
from the combustion chamber with the exhaust gases. A small amount will reach
the crankcase and must be disposed of through a venting line.
The venting line must be protected from any kind of ice formation for condensa-
tion by using e.g. isolation protection or a routing in a hose with hot air flow. Addi-
tionally a bypass opening should be installed before the cowling outlet.
OIL RADIATOR (OPTIONAL)
Essential parts of the cooling system, such as radiator, etc., are available for this engine
from BRP-Rotax. See also SI-PAC-014.Oil radiator /-sets.
m WARNING
Non-compliance can result in serious injuries or death!
The furnishing of proof in accordance to the latest FAR and EASA, has to be conducted
by the aircraft manufacturer.
79–00–00
Page 16
December 01 2023
Effectivity: 916 i A / C24
Edition 0/Rev. 1
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