There have been many threads regarding the Collaro Conquest Record Player / Changer.
I've now had the opportunity to strip and service one and will describe how its done with pictures that I've taken.
This guide should be used in conjunction with the service sheet which can be found here:
https://www.vintage-radio.net/forum/...llaro+conquest
This is the underside of the deck
Start by turning the deck upside down
Unsolder the wire from the pick up arm, and remove the circlip from the overarm
Unclip the wire from the sub chassis and remove the two bolts that hold the bottom bearing to the motor
Gently prise the bottom bearing up, it will be quite stiff to expose the bottom of the armature