Preload adjuster stuck

[Kloes]

The preload adjuster on my 1200GS is stuck at the highest setting and won't budge. Anyone had this before, or know how to fix it?
Any help full suggestions would be appreciated as I don't want to force it and then maybe break it.

 

[Vlakhaas]

 

[Kloes]

 

[supertorro]

 

[superfoxi]

 

[Kloes]

 

[Brandt]

 

[Kloes]

 

[Vlakhaas]

 

[hando]

 

[Kloes]

 

[ChristoffGS]

 

[hando]

 

[Mr Zog]

 

[Draadwerk]

 

[Kloes]

 

[ptashark]

 

[hando]

 

[Cracker]

 

[BiG DoM]