Husqvarna FS 450 2019 Repair Manual page 268

20 LUBRICATION SYSTEM
266
Main work
Place an appropriate container under the engine.
O
Remove oil drain plug
Remove screw plug @ with the short oil screen and the O­
rings.
Info
Do not remove screw 6).
(D
Remove screw plug with the long oil screen
O-rings.
-
Completely drain the engine oil.
-
Thoroughly clean the parts and sealing surfaces.
Mount and tighten screw plug @ with the short oil screen
and the O-rings.
Guideline
Screw plug, oil
screen
C,
Position long oil screen
Position the pin wrench through the drill hole of the screw
plug in the opposite section of the engine case.
Push the oil screen all the way into the engine case.
with the magnet and seal ring.
C,
and the
M20x1.5 15 Nm (11.1 lbf ft)
with the O-rings on a pin wrench.