Removing Danfoss radiator thermostat

[denb]

How can I remove the thermostat unit to get to the pin which I think is sticking?
My central heating system was installed 13 years ago and the Danfoss valves were fitted at the same time.
Unlike more recent thermostats there does not appear to be a cap which needs to be unscrewed to allow the thermostat to be withdrawn.
Does it simply need to be pulled off? I have tried but without success.
There is a small hole on top of the valve but there is no screw inside which could secure the unit. Is this part relevant?
Thanks

 

[ambercelery]

Hi

I've just stumbled across your post on this website - as i have exactly the same problem. I am sorry noone helped you when u needed it but I would appreciate you replying to this if you have any information to help me.
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