Rotax 915 i A series Maintenance Manual page 457

EXHAUST MANIFOLD — INSTALLATION
The turbocharger must be installed before exhaust
manifold - installation.
Procedure
Step
1 Install exhaust manifold using Allen
screws M8x20 and M8x30 with hex. nuts
M8 and washers. Apply LOCTITE ANTI
SEIZE. to the Allen screws.
Tightening torque 25 Nm (18 ft. lb.)
Figure 20.16
Exhaust manifold
1
assy.
Turbocharger
3
5 Washer 8.4
7 Allen screw M8x30
ATTENTION
The attachment screws for exhaust manifold and
turbocharger bracket are not tightened until instal-
lation on the engine is complete to prevent locking
up of stresses.
Effectivity: 915 i A Series
Edition 0/Rev. 0
BRP-Rotax
MAINTENANCE MANUAL HEAVY
Turbocharger bracket
2
4
Hex. nut M8
6
Allen screw M8x20
EXHAUST PIPE ON CYLINDER HEAD —
INSTALLATION
Procedure
Step
1
Check that the studs are firmly in place.
Secure them with LOCTITE 648 if neces-
sary and tighten them.
Tightening torque 6 Nm (53 in. lb.)
2 Fasten the exhaust flange to the cylinder
head with 2 new lock nuts M8.
Tightening torque 12 Nm (106 in. lb.).
NOTE
The exhaust flange must be parallel to the screw
face on the cylinder head but must not touch
against it.
Figure 20.17
1 Lock nut M8
Exhaust pipe
3
Step Procedure
3 Mount exhaust pipe clamps.
4 Fasten the exhaust pipe clamps using M5
Allen screws and new M5 lock nuts.
Tightening torque 10 Nm (89 in. lb.).
2 Exhaust flange
Cylinder head
4
78–10–00
Page 11
August 01 2018