Installing The Piston - Husqvarna FS 450 2015 Repair Manual

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17
ENGINE
17.5.23

Installing the piston

-
Move the joints of the compression ring and oil scraper ring so they are offset by
°
180
.
-
Place the oiled piston on the cylinder.
Compress the piston rings using the special tool.
I
Piston ring mounting tool (60029015000)
304603-10
-
Tap lightly on the piston ring mounting tool from above 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.
304604-10
-
Carefully tap the piston into the cylinder using the handle of the hammer.
✓ The piston rings should not catch or they will be damaged.
-
Mount dowels
-
Ensure that piston mark
304606-10
-
Cover the engine housing opening with a cloth.
-
Feed the timing chain through the timing chain shaft and mount the piston pin.
Info
I
In order to present them more clearly, the following steps are shown with a
removed piston.
309424-10
(l!!ll
O
and put cylinder base gasket
(D
faces toward the exhaust side.
p. 229)
8
in place.
181

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