If it still has the huck brakes turning the ends clockwise make the brakes tighter and CCW makes them looser. Turn each CW until you feel a slight drag & back off one click. I don't know if that's "text book" but it works for me. You have to adjust each side of each cylinder individually.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.