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5. Notice the following mechanisms:
a. Loader mechanism gear ( 8 ) nearest the front of the drive that actuates the cartridge loader
mechanism
b. Position of the rotator stub ( 3 ).
c. Front loader motor worm gear ( 1 ). Rotating this gear allows the loader mechanism gear ( 8 ) to
turn.
6. Rotate the loader motor worm gear ( 1 ) to turn the loader mechanism gear ( 6 ) counterclockwise.
Continue turning until the rotator stub ( 3 ) loses contact with the lever ( 7 ). This action releases the
LBA leader pin.
7. Rotate the threader motor worm gear ( 4 ) to turn the threader mechanism gear ( 6 )
counterclockwise. This action moves the LBA out of the cartridge and past the read/write head.
Stop this rotation when the LBA is near the tape guide roller nearest the rear of the drive ( 1 ).
Figure 117. Leader Block Assembly (LBA)
8. Continue rotating the loader motor worm gear ( 1 ) until the rotate stub ( 3 ) is positioned as shown.
Notice that the rotator stub ( 3 ) is nearly aligned with the cartridge loader tray guide bearing ( 2 ).
9. Remove the cartridge from the cartridge loader tray.
10. Go to "Ending procedure" on page 262.
248 IBM TS4300 Tape Library Tipo de máquina 3555: Guía del usuario
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