There are a number of ways you can get someone to repair your washer. You can call a handyman to see if they can fix the issue. Alternatively, if your washer is still under warranty, you can contact the manufacturer who can send someone out to attend to it.
You should first of all call the company that you bought the washer from. They might still have a warranty on your product, and then could send someone out to fix it for you.
cobblerA cobbler is someone who repairs shoes.
A locksmith repairs locks
To find someone to do kitchen repairs I would call a local contractor.
No.
It's a little difficult to say out of context. It could be someone who repairs and maintains centrifuges, or it could be a fancy way of referring to someone who operates a centrifuge. If it's the latter, on the lab status scale it's about a half-step up the ladder from "bottle washer".
Washer, as in someone who washes, can be written as waescere, a masculine noun.
Autorepair®
Someone can go and purchase Belleville Washer at a place like Home Depot, or Sears. Those are two stores that I think are the best suited for buying a washer.
watchmaker.
A glazier.
Someone who builds or repairs stringed intruments.