Effectivity 912/914 Series
Edition 1 / Rev. 0
78-00-00
page 15
May 01/2007
d02627
BRP-Rotax
Maintenance Manual
3.4) Assembly of the complete exhaust system (on the 912 Series)
â– CAUTION: For assembly, observe the exhaust system and aircraft
manufacturers´ instructions.
3.5) Assembly of the complete exhaust system incl. turbocharger (on the
914 Series)
See Figs. 78-3, 78-6 and 78-7.
turbocharger / turbocharger bracket / exhaust manifold
Release and remove the 3 upper hex. screws (20) M8x16 on the turbine
housing, but only slacken the lower screw.
Place the turbocharger bracket (16) on the outer side of the retaining ring in
position and loosely attach with the allen screws. Fit 4 studs (32) M8x19.5/13
with the longer threaded end (19.5 mm) (.76 in.) into turbine housing and tighten
to 6 Nm (53 in.lb).
Screw stud (31) M8x30/13 into the top threaded bore (30) and tighten to 6 Nm
(53 in.lb).
Attach muffler (12) with washers and M8 nuts (14) on turbine housing. Screw
the support plate (15) onto the turbine housing with the washer and nut (14) M8.
Attach turbocharger bracket (16) to the support plate with washer and hex.
screw (13) M8x16 and tighten screw slightly.
Tighten muffler attachment nuts M8 to 25 Nm (18.5 ft.lb).
Fit the exhaust manifold (21) onto turbine housing using allen screws (22) M8x25
and tighten slightly with M8 nuts (23).
â– CAUTION: The attachment screws for exhaust manifold and turbocharger
bracket are not tightened until installation on the engine is complete
to prevent locking up of stresses.
Installation of the check valve. See 79-00-00.
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