Could be anything from a freebie twirl of the spanner to a beard tugging, teeth sucking 'ooh you need new springs if you want it to do that, £250 mate'
How much adjustment is needed and how does the adjusting mechanism work on your ramp?
If it's like ours just buy a big wrench and have a go yourself, there is a bit on this video that shows ours being slacked off during a ramp renovation http://youtu.be/6a8TfRi8NOM