If you have a damaged sprayer in your dishwasher, don't go looking for a repairman or plumber. This is something that can easily be taken care of in no time at all and is very inexpensive.
In this tutorial, you'll find out how to replace the sprayng system for a Hotpoint dishwasher. All you need is a new sprayer and possibly a wrench and that's all! Now, not all dishwasher will be exactly alike so check your manual for more information and good luck!