why would my steering be so hard? on 1991 Mazda B2200

it's really hard to turn.it just had new ball joints put on,and that wasn't the problem.what could it be?

Asked by for the 1991 Mazda B2200
2 answers 1 comment
most likely rack, post a couple pics for furthur diagnoses.
power steering belt fluid check re-ajustment of new parts
fluid is full