Husqvarna FS 450 2015, Repair Manual

Page: 147 / 249

17 ENGINE
401797-01
Warm the engine case section again.
Guideline
11
so
0
c
(302 °F)
145
Insert the new cold bearings into the bearing seats of the hot engine case section
and, if necessary, use a suitable press drift to push the bearing from the inside to
the outside, all the way to the stop or so it is flush.
• Info
I
When pressing the bearing in, ensure that the engine case section is level
to prevent damage.
Only press the bearings in via the outer bearing race; otherwise, the bear­
ings will be damaged when they are pressed in.
After the engine case section has cooled, check that the bearings are firmly
seated.
•
Info
I
If the bearings are not firmly seated after cooling, it is likely that they will
rotate in the engine case when warm. In this case, the engine case must
be renewed.
Press in the shaft seal ring from the outside toward the inside, with the open side
facing outward.
Position all bearing locks. Mount and tighten the screws.
Guideline
Screw, bearing retainer M5
Mount and tighten oil nozzle
O.
Guideline
Oil nozzle, piston cooling M5
Mount and tighten oil nozzle @.
Guideline
Oil nozzle for conrod bearing lubrica­
tion
6Nm
(4.4 lbf ft)
2 Nm
(1.5 lbf ft)
M6x0.75
Loctite ® 2701 TM
Loctite
®
243
™
4 Nm (3 lbf ft)
Blow compressed air through all oil channels and check that they are clear.
Finishing work
Install the oil pressure regulator valve. ( Ill:! p. 148)