Windscreen Washer Pump

Sir
i am using my car since long time, suddenly when I press butten to wipe my Windscreen only wiper works. Cant find the water I ckecked all I can do
one of the mech told the problem with motor
can u be able to show the photo of a new motor or old one as a sample

if I buy is it possible to fix my self is it a tough job

pls help me in this