IBM iSeries 270 Service Manual page 231

4. Remove the top lid of the drive mechanism by doing the following:
a. Use a small screwdriver to press the top tabs (see 2 in Figure 1 (See page 218)) on each side of
the drive.
b. Slide the cover approximately 5mm to the rear, and then lift the cover off.
5. Locate the large thumb wheel below the right side of the data cartridge.
6. Gently rotate the thumb wheel (see 1 in Figure 2 (See page 219)) counterclockwise to remove slack
from the tape by winding the media onto the take-up reel.
7. Insert a Phillips head screwdriver in the Load Motor Access hole (see 2 in Figure 2 (See page 219)).
Rotate the load motor clockwise to unwind the tape path. Unwind the mechanism until tape slack
appears.
8. Once tape slack appears, gently rotate the thumb wheel again to remove the slack from the tape by
winding the media onto the take-up reel.
9. Repeat steps 7 (See page 219) and 8 (See page 219) until all of the tape media is wound onto the
cartridge take-up wheel.
10. When the tape is completely rewound into the cartridge, turn the load motor clockwise until the tape
cartridge is lifted out of the drive mechanism and ejected.
11. Remove the tape cartridge, install the bezel, and attach the top cover.
Figure 2. Turn the load motor to release the cartridge.
Analyze hardware problems
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