Rotax 915 i A series Maintenance Manual page 222

Figure 8.50: Torque pattern—Typical
Step Procedure
7
Loosen 4 Allen screws M6x25 and re-
move the cylinder aligning tool.
VALVE COVER INSTALLATION
ATTENTION
There must be a minimum gap of 0.2 mm be-
tween the valve covers on the outer contour.
The valve covers must not touch each other!
ATTENTION
Ensure the valve cover screw is the correct
length! Look out for damaged threads. If the
screw is loose or the valve cover leaks, the oil
return to the oil tank works by "blow by gas" i.
e. insufficiently.
Step Procedure
1 Install both O-ring 105x2.5 and the O-ring
6.4x1.8 in the valve cover.
2 Place on the valve cover and fasten it
with an Allen screw M6x30 and washer.
Tightening torque 12 Nm (106 in. lb.).
72–30–00
Page 36
August 01 2018
BRP-Rotax
MAINTENANCE MANUAL HEAVY
Figure 8.51
1 Allen screw M6x30
Cylinder head cover
3
O-ring 105x2.5
5
2
Washer 6/12/1
O-ring 6.4x1.8
4
Effectivity: 915 i A Series
Edition 0/Rev. 0