Husqvarna TC449 Workshop Manual page 222

FRONT SUSPENSION
Fit the dust seal to the outer tube.
Make sure that there is not play between dust seal and outer tube.
Refit the cartridge.
Tighten the nut all the way onto the rebound adjuster rod.
Make sure rebound adjuster rod thread length is at least 15 mm (0.6 in.).
Fill the cartridge with the specified oil.
Pump the piston rod up and down repeatedly to remove any air from the cyl-
inder.
I.12
1 edition (08-2010) _Rev. 11-2010
st