Husqvarna TE 250 - 310 2011 I.E. Workshop Manual page 232

FRONT SUSPENSION
Fit collar bushing, O-ring, spring guide and nut onto piston rod.
Insert the rebound adjuster rod into the piston rod.
Make sure that at least an 18 mm (0.71 in.) portion of the rebound adjuster rod
protrudes from the piston rod.
Oil filling.
Fill with the specified quantity of oil.
Fill the damper unit with the specified quantity of oil.
Slowly pump the piston rod up and down to help oil reach all points of the car-
tridge.
Note: if you haven't drained all oil from the damper unit on disassembly, follow
the procedure outlined below (Filling oil to specified level).
I.26
Ed. 07-2010