IBM 5150 Hardware Maintenance Manual page 192

Drive Motor Replacement
1. Place drive motor in position, aligning threaded holes in motor
with holes in frame (motor wiring harness should face rear of
machine).
I~
2.
Replace mounting screws and shouldered washers.
3.
Replace drive belt (See page 3-15).
4. Connect drive motor cable to servo board at Connector 21.
5.
Replace Diskette Drive Logic Printed Circuit Board
(See page 3-26).
6.
Replace System Unit cover (See page 3-98).
7. Reconnect cables to System Unit.
o
~_-
Drive Motor
1-....
Connector 21
Shouldered
Mounting Screws
3-17