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Figure 127. Drive with cover removed to reveal gear train.
1
2
3
4
5
6. 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 127 on page 216) 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 126 on page 215.
7. 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
8. Rotate the loader motor worm gear
( 6
in Figure 127 on page 216) counterclockwise. Continue turning until the rotator stub
127 on page 216) loses contact with the lever
the LBA leader pin.
9. Rotate the threader motor worm gear
gear
( 6
in Figure 127 on page 216) 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
216 IBM TS4300 Tape Library 机器类型 3555： 用户指南
Loader motor worm gear
Cartridge loader tray guide bearing
Rotator stub
Threader motor worm gear
Threader intermediate gear
( 6
in Figure 127 on page 216) nearest the front of the drive that actuates
( 3
in Figure 127 on page 216).
( 1
in Figure 127 on page 216). Rotating this gear allows the loader
( 8
in Figure 127 on page 216) to turn.
( 1
( 4
1
6
Threader mechanism gear
7
Lever
8
Loader mechanism gear
in Figure 127 on page 216) to turn the loader mechanism gear
( 7
in Figure 127 on page 216). This action releases
in Figure 127 on page 216) to turn the threader mechanism
Figure 128 on page 217.
IBM Confidential
( 3
in Figure
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