Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this receiver.
Text excerpt from page 49 (click to view)
PD-F1009
6 Remove the screws E (4 screws), and then remove the Disc Guard. 7 Remove the Float Base Assy and Clamp Holder.
Disc Guard
6
Screw E (� 4)
Float Base Assy
7
Clamp Holder
7
Clamp Support Clamp Spring
Front
Front
8 Remove the Flexible Flat Cable and the Connector Assy (4P) from the Float Base. 9 Remove the screw G. 0 Remove the float spring. (To install this part, line up the float angle side of the Servo Mechanism ASSY GM first, and press down on the float base side.) - Remove the float rubber from the Servo Mechanism ASSY GM. At this time the Float Rubber should remain on the Float Base side. (To install it on the Float Base when it has been removed, push it into place with a thin cylindrical object.