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Chapter 9. Check, Adjust, Remove, and Replace Procedures
9-53
9.
Rotate the threader motor worm gear to turn the threader mechanism gear
counterclockwise. This 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 drive rear end ( in Figure 9-55 on page 9-51).
10.
Continue rotating the loader motor worm gear until the rotator stub is
positioned. Note that the rotator stub is nearly aligned with the cartridge
loader tray guide bearing .
11.
Remove the cartridge from the cartridge loader tray.
12.
Reassemble the drive by reversing Step 5 on page 9-47.
13.
Reassemble the drive canister by reversing Step 2 on page 9-46.
14.
Install a new drive canister. Ensure that the connector on the drive is seated
properly into the connector on the cradle or shelf. See “Replacing a Tape Drive
Canister or FC 1663 Tape Drive Removal” on page 9-11.
15.
Repack and return the failed drive through your IBM parts network.
No Apparent Failure or Damage to Tape
Use this procedure if you cannot see a failure or there does not seem to be any
damage to the tape.
1.
Set the drive on its left side with the head and the tape path facing up.
2.
From the bottom of the drive, locate the access hole ( in Figure 9-53 on
page 9-48) in the bottom cover. Insert a 2.5-mm offset hex wrench through the
bottom cover access hole and into the reel motor axle. Begin spooling tape back
into the cartridge by turning the hex wrench clockwise.
3.
Continue spooling tape into the cartridge until the tape is taut and remains
within the flanges of the tape guiding rollers. Ensure that you do not stretch the
tape.
4.
See Figure 9-54 on page 9-49. Locate the threader motor worm gear on the rear
end of the drive. Use your finger to rotate the threader motor worm gear and
slowly drive the threader mechanism gear . Rotating the threader motor worm
gear clockwise draws the leader block assembly (LBA) into the cartridge.
5.
As the 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
stops. The LBA is in the correct position.
6.
Note the following:
• Loader mechanism gear nearest the front of the drive that actuates the
cartridge loader mechanism
• Position of the rotator stub
• Front loader motor worm gear . Rotating this gear allows the loader
mechanism gear to turn.
7.
Rotate the loader motor worm gear to turn the loader mechanism gear
counterclockwise. Continue turning until the rotator stub passes under the
aluminum bracket . This releases the LBA leader pin.
8.
Rotate the threader motor worm gear to turn the threader mechanism gear
counterclockwise. This 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 drive rear end ( in Figure 9-55 on page 9-51).
9.
Continue rotating the loader motor worm gear until the rotator stub is
positioned. Note that the rotator stub is nearly aligned with the cartridge
loader tray guide bearing .
10.
Remove the cartridge from the cartridge loader tray.
11.
Reassemble the drive by reversing Step 5 on page 9-47.
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Содержание TS3400
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