If you can get the old one off, you can get a new one on
It's a bit of a journey into the unknown if you've never done it before but as long as you remember to use the right sized spanner etc so you don't damage anything, and have a decent memory of where things go (write it down if you have to) then you should find it pretty straightforward.
Generally, most machines are made to be pretty easily serviced.
P.S. if the wires on the motor are black and grey, black is live and grey is neutral, american system :
