Carburetor; Requirements On The Carburetor - Rotax 912 Series Installation Manual

15) Carburetor

See Fig. 58.
The carburetors on the standard engine are already attached by a flexible flange (and
connecting hoses on the airbox). Only connections of the Bowden cable for pre-
heating, choke and throttle have to be established.
It is recommended, to make the adjustment of the Bowden cable after engine
installation has been completed, to ensure exact final adjustment.
▲ WARNING: The carburetor flange assembly has to carry the weight of the

15.1) Requirements on the carburetor

See Fig. 59.
The carburetors are positioned above the exhaust sockets. Below the carburetors
one each drip tray (1) with a draining connection (2) is fitted which acts as heat
shield as well.
■ CAUTION:
▲ WARNING: In the area of the float chamber the temperature limit of the fuel
Effectivity: 912 Series
Edition 1 / Rev. 0
BRP-Rotax
INSTALLATION MANUAL
carburetor and intake system. Ensure that the screw of the clamp is
positioned on the underside as supplied and the gap between the
clamp plates is 8 mm (.31 in).
The float chamber venting lines (3) lines have to be routed into
a ram-air and vacuum free zone or into the airbox, according
to the requirements and release of BRP-Rotax. See section 16.
These lines must not be routed into the slipstream or down the
firewall.
Pressure differences between intake pressure and pressure in
the carburetor chambers may lead to engine malfunction due
to incorrect fuel supply.
must not be exceeded.
If need be provide additional insulation or heat shields. Certi-
fication to the latest requirements such as FAR or EASA has
to be conducted by the aircraft manufacturer.
Fig. 58
05794
(.31 in.)
page 91
May 01/2007