Components; Gear Train Identification - IBM System Storage TS3400 Tape Library Maintenance Information

Table 9-4. Gear train identification
1. From the left side of the drive, pull out tape from the take-up reel.
2. If there is less than approximately 0.6 m (2 ft) of tape on take-up reel, cut off the
3. See Figure 9-54. Locate the threader motor worm gear
4. Rotating the threader motor worm gear
5. Note the following:
6. Using a small screwdriver on the end of the shaft, or using your finger, rotate the
7. Rotate the threader motor worm gear
9-50
TS3400 Tape Library Maintenance Information
Component
Loader motor worm gear
1
Cartridge loader tray guide bearing
2
Rotator stub
3
Threader motor worm gear
4
Threader intermediate gear
5
Threader mechanism gear
6
Aluminum bracket
7
Loader mechanism gear
8
Note: If there is more than approximately 0.6 m (2 ft) of tape on the take-up reel,
go to "Tape Broken in Midtape" on page 9-51.
excess tape as close to the leader pin, as possible.
drive. Use your finger to rotate the threader motor worm gear and slowly drive
the threader mechanism gear
assembly (LBA) into the cartridge. As the tape LBA is secured in the cartridge,
you should hear the LBA retention spring clips click into place. If you do not hear
the click, continue rolling until the threader motor worm gear
is in the correct position.
• Loader mechanism gear
cartridge loader mechanism
• Position of the rotator stub
• Front loader motor worm gear
mechanism gear to turn.
8
loader motor worm gear
counterclockwise. Continue turning until the rotator stub
aluminum bracket . This releases the LBA leader pin.
7
counterclockwise. This moves the LBA out of the cartridge and past the read/
write head. Stop this rotation when the LBA (
guide roller nearest the drive rear end.
Gear or Part Name
.
6
clockwise draws the leader block
4
nearest the front of the drive that actuates the
8
3
. Rotating this gear allows the loader
1
to turn the loader mechanism gear
1
to turn the threader mechanism gear
4
in Figure 9-55) is near the tape
1
on the rear end of the
4
stops. The LBA
1
8
passes under the
3
6