IBM 25R0012 User Guide - Page 77

Apparent, Failure, Damage

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a82ru010 __ Step 9. Rotate the loader motor worm gear 1 to turn the threader mechanism gear 6 counterclockwise. Continue turning until the rotator stub 3 loses contact with the lever 7 . This releases the LBA leader pin. __ Step 10. Rotate the threader motor worm gear 4 to turn the threader mechanism gear 6 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 rear of the drive shown as 1 . 1 Figure 26. Leader Block Assembly (LBA) __ Step 11. Continue rotating the loader motor worm gear 1 until the rotator stub 3 is positioned as shown. Notice that the rotator stub 3 is nearly aligned with the cartridge loader tray guide bearing 2 . __ Step 12. Remove the cartridge from the cartridge loader tray. __ Step 13. Reassemble the drive by reversing the procedure in Step 4 in "Beginning Procedure" on page 53. __ Step 14. Refer to the appropriate procedure to install the new drive and return the failed drive. No Apparent Failure or Damage to Tape __ Step 1. Set the drive on its left side with the head and tape path facing up. Using Ultrium Media 61

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__
Step
9.
Rotate
the
loader
motor
worm
gear
±1²
to
turn
the
threader
mechanism
gear
±6²
counterclockwise.
Continue
turning
until
the
rotator
stub
±3²
loses
contact
with
the
lever
±7²
.
This
releases
the
LBA
leader
pin.
__
Step
10.
Rotate
the
threader
motor
worm
gear
±4²
to
turn
the
threader
mechanism
gear
±6²
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
rear
of
the
drive
shown
as
±1²
.
__
Step
11.
Continue
rotating
the
loader
motor
worm
gear
±1²
until
the
rotator
stub
±3²
is
positioned
as
shown.
Notice
that
the
rotator
stub
±3²
is
nearly
aligned
with
the
cartridge
loader
tray
guide
bearing
±2²
.
__
Step
12.
Remove
the
cartridge
from
the
cartridge
loader
tray.
__
Step
13.
Reassemble
the
drive
by
reversing
the
procedure
in
Step
4
in
“Beginning
Procedure”
on
page
53.
__
Step
14.
Refer
to
the
appropriate
procedure
to
install
the
new
drive
and
return
the
failed
drive.
No
Apparent
Failure
or
Damage
to
Tape
__
Step
1.
Set
the
drive
on
its
left
side
with
the
head
and
tape
path
facing
up.
a82ru010
1
Figure
26.
Leader
Block
Assembly
(LBA)
Using
Ultrium
Media
61