The only user serviceable parts on an ac motor are the brushes and the bearings.
How to rebuild an electric motor step by step.
This instructable concerns a triage procedure for getting your capacitor start motor running again in a series of easy and logical step.
If the internal windings burn out your ac motor needs to be checked out professionally.
What can you do yourself.
Then use a flat head screwdriver to pry open the tabs on the brush pads and then cut through the wires and pull them out by hand.
In this video i show how to test dismantle repair and reassemble a small ac motor patreon link.
You have an electric motor designed to run on alternating current but it does not run.