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Figure 123. Drive with cover removed to reveal gear train.
1
2
3
4
5
7. As the tape leader block assembly (LBA) is secured in the cartridge, you hear the LBA retention spring
clips click into place. If you do not hear the click, continue rolling until the threader motor worm gear
( 4
in Figure 123 on page 258) stops. The LBA is in the correct position.
Note: Be sure to keep tension on the tape as the LBA is drawn into the cartridge by using a hex
wrench as shown in Figure 122 on page 257.
8. Notice these mechanisms:
a) Loader mechanism gear
the cartridge loader mechanism.
b) Position of the rotate stub
c) Front loader motor worm gear
mechanism gear
9. Rotate the loader motor worm gear
gear
( 6
in Figure 123 on page 258) counterclockwise. Continue turning until the rotator stub
Figure 123 on page 258) loses contact with the lever
releases the LBA leader pin.
10. Rotate the threader motor worm gear
gear
( 6
in Figure 123 on page 258) 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 that is shown as
258 IBM TS4300 Tape Library Type de machine 3555 : Guide d'utilisation
Loader motor worm gear
Cartridge loader tray guide bearing
Rotator stub
Threader motor worm gear
Threader intermediate gear
( 6
in Figure 123 on page 258) nearest the front of the drive that actuates
( 3
in Figure 123 on page 258).
( 1
in Figure 123 on page 258). Rotating this gear allows the loader
( 8
in Figure 123 on page 258) to turn.
( 1
( 4
1
6
Threader mechanism gear
7
Lever
8
Loader mechanism gear
in Figure 123 on page 258) to turn the threader mechanism
( 7
in Figure 123 on page 258). This action
in Figure 123 on page 258) to turn the threader mechanism
Figure 124 on page 259.
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