Husqvarna TC 250 2010 Workshop Manual page 257

Hold the rebound adjuster (24) using a 17 mm open-end wrench and loosen the
check nut (27) with another 17 mm open-end wrench.
Remove rebound adjuster (24) and check nut (27) from the damper rod.
Apply adhesive tape over the threaded end of the rod (25). Apply one turn only,
stretching the tape taut and do not overlap it.
Push the rod (25) towards the cartridge until sliding it out.
Damper and compression valve can be fully serviced. Overhaul and
setting procedures for damper and compression valve are covered in
paragraphs 4.7.2/4.7.3.
Check the piston ring for wear.
For cartridge and compression valve assembly instructions, see paragraph
4.7.4.
Part. N. 8000 H1489 (10-2009)
FRONT SUSPENSION
I.37