IBM 7212 102, Service Manual, Page: 67 / 92

4. Remove the top lid of the drive mechanism (4 screws
3
).
5.
Insert a 1.5 mm hexagonal key or a small Phillips screwdriver into the aperture
on the right side of the drive looking from rear. This gives you access to the
motor worm wheel, as shown in Figure 31. Turn the hexagonal key or small
screwdriver counter-clockwise to release the cartridge.
Note: This may take more than 1000 turns
6. Reassemble the drive in reverse order.
7.
Replace the drive and media.
Figure 31. Turning the Motor Worm Wheel to Release the Cartridge
Chapter 5. Removal and Replacement
53