Vintage Black And Decker 1970s Finishing Sander 5550-02/01 Repair

I brought this Black And Decker 1970s Finishing Sander 5550-02/01 off ebay knowing it was broken to see if i could bring it back to life. I Discovered 2 faults brushes weren't seated right and the shaft going to the sanding pad wasnt engaged properly. 00:20 to 3:29 Current State 3:29 to 18:59 Getting the motor to work 18:59 to 21:11 Reassemble and discover a second fault 21:11 to 25:37 Second fault diagnosed and repair 25:37 to 26:54 Reassemble and plug in test Disclaimer im not any kind of service engineer im solely doing this for hobby purposes and to help others with similar issues. Thankyou for watching please like and subscribe