IBM 5150 - Introduction to Problem Determination

Drive Motor Removal
1. Position System Unit Power switch to Off, unplug System Unit
power cord and disconnect all cables
from rear of System Unit.
2. Set Display, Keyboard, and Printer away from System Unit
working area.
r-"',
3. Remove System Unit cover (See page 3-98).
4. Remove Diskette Drive Logic Printed Circuit Board
(See page 3-24).
5. Carefully place Diskette Drive on work surface with drive belt
and pulleys facing up.
6. Disconnect Connector
21 from servo board.
7. Remove drive belt (See page 3-15).
8. Remove drive motor mounting screws and shouldered washers.
9. Carefully pull drive motor out of Diskette Drive.
~ __ - Drive Motor
Connector
21
Shouldered
I
~
Mounting Screws
3-16