Working On Individual Parts; Working On The Right Section Of The Engine Case - Husqvarna FC 250 2016 Repair Manual

Working on individual �arts
17.4
17.4.1

Working on the right section of the engine case

Remove all dowels.
Remove shaft seal ring
Remove nozzle
Remove oil nozzle
Remove screw
Remove the oil nozzle for piston cooling.
Remove screws
Remove any remnants of sealing compound and clean the
engine case section thoroughly.
Warm the engine case section in an oven.
Guideline
11
so c
(302 °F)
0
Knock the engine case section against a level wooden board.
This will cause the bearings to drop out of the bearing seats.
• Info
I
Any bearings that remain in the engine case section
310334-10
must be removed using a suitable tool.
Blow out oil nozzle
is clear.
Guideline
Oil nozzle for
balancer shaft
lubrication
Insert the new cold bearings in the bearing seats of the
heated section of the engine case; if necessary, use a
suitable press drift to push them all the way in and make
them flush.
Info
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 bearings 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.
Mount the dowels.
O
of the crankshaft.
8.
8
for conrod bearing lubrication.
8.
C,.
Remove the bearing retainers.
(D
with compressed air and check that it
M4 2 Nm (1.5 lbf ft)
17 ENGINE
®
Loctite 243
™
181