Installing The Piston - Husqvarna FS 450 2019 Repair Manual

17.5.23

Installing the piston

-
Move the joints of the compression ring and oil scraper ring
so they are offset by 1 80
-
Place the oiled piston on the cylinder.
-
Clamp the piston rings together using the special tool.
I
Piston ring compressor (60029015000)
D04892-10
-
Tap lightly on the piston ring compressor from the top with a
plastic hammer so that it lies flush with the cylinder.
✓ The special tool must press the piston rings together
properly and lie flush with the cylinder.
D04893-10
-
Drive the piston into the cylinder by striking it carefully with
the hammer handle.
✓ The piston rings should not catch or they will be dam­
aged.
-
Mount timing chain guide rail
✓ The timing chain guide rail engages in recess fj.
✓ The holding lug
• Info
I
This step is illustrated with the rotor removed for a
clearer view.
° .
(IUI p. 313)
O
from above.
0
engages in the recess(!).
ENGINE 17
237