bpr Rotax 912 i Series, Руководство по обслуживанию, Страница: 210 / 458

Effectivity: 912 i Series
Edition 1/Rev. 0
d0
534
5.
fm
MAINTENANCE MANUAL
BRP-Powertrain
72-30-00
Page 28
July 01/2012
IF BOTH CYLINDER HEADS PER ENGINE
SIDE HAVE BEEN REPAIRED
Fig. 46
Fig. 47
VALVE COVER INSTALLATION
Step Procedure
1 Fasten the cylinder aligning tool part no.
877262 to the intake flange of the cylinder
heads with 4 M6x25 Allen screws.
NOTE: This aligns the cylinder heads to
ensure a flat support for the in-
take manifold.
1. Cylinder aligning tool
877262
2. M6x25 Allen screw
3. Intake flange
Step Procedure
2 Tighten the collar cap nut and the M8 hex.
nut (diagonally) until they are finger-tight.
3 Fasten the cylinder heads according to
the screw diagram. See Figure 47.
Tightening torque 10 Nm (88.48 in. lb.)
+180°.
1. Screw diagram
Step Procedure
4 Loosen 4 Allen screws and remove the
cylinder aligning tool.
m
WARNUNG
NOTICE
There must be a minimum gap of 0.2 mm bet-
ween the valve covers on the outer contour. The
valve covers must not touch each other!
m
WARNUNG
NOTICE
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. insuffi-
ciently.