IBM 25R0012 User Guide - Page 72

Pulled, Broken, Leader

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__ Step 10. Test the drive (see "Connect and Test Power to the Drive" on page 9) to determine if it should be replaced. Tape Pulled from or Broken near Leader Pin 2 8 1 3 7 6 5 9 4 a82ru009 Figure 21. Drive with cover removed to reveal gear train. 1 Loader motor worm gear 6 Threader mechanism gear 2 Cartridge loader tray guide bearing 7 Lever 3 Rotator stub 8 Loader mechanism gear 4 Threader motor worm gear 9 Threader worm gear 5 Threader intermediate gear __ Step 1. From the left side of the drive, pull out tape from the take up reel. Note: If there is more than approximately 0.6 m (2 ft.) of tape on the take up reel, go to "Tape Broken in Mid-tape" on page 57. __ Step 2. If there is less than approximately 0.6 m (2 ft.) of tape on the take up reel, cut off the excess tape as close to the leader pin, as possible. __ Step 3. Locate the threader motor worm gear 4 the rear of the drive. You can either: a. Use your finger to rotate the threader motor worm gear and slowly rotate the threader mechanism gear 6 clockwise; or b. Use a #1 flathead screwdriver to turn the threader worm gear 9 clockwise. This rotates the threader motor worm gear 4 clockwise, drawing the tape leader block assembly (LBA) into the cartridge. 56 IBM 400/800GB LTO3 Tape Drive User's Guide

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__
Step
10.
Test
the
drive
(see
“Connect
and
Test
Power
to
the
Drive”
on
page
9)
to
determine
if
it
should
be
replaced.
Tape
Pulled
from
or
Broken
near
Leader
Pin
±1²
Loader
motor
worm
gear
±6²
Threader
mechanism
gear
±2²
Cartridge
loader
tray
guide
bearing
±7²
Lever
±3²
Rotator
stub
±8²
Loader
mechanism
gear
±4²
Threader
motor
worm
gear
±9²
Threader
worm
gear
±5²
Threader
intermediate
gear
__
Step
1.
From
the
left
side
of
the
drive,
pull
out
tape
from
the
take
up
reel.
Note:
If
there
is
more
than
approximately
0.6
m
(2
ft.)
of
tape
on
the
take
up
reel,
go
to
“Tape
Broken
in
Mid-tape”
on
page
57.
__
Step
2.
If
there
is
less
than
approximately
0.6
m
(2
ft.)
of
tape
on
the
take
up
reel,
cut
off
the
excess
tape
as
close
to
the
leader
pin,
as
possible.
__
Step
3.
Locate
the
threader
motor
worm
gear
±4²
the
rear
of
the
drive.
You
can
either:
a.
Use
your
finger
to
rotate
the
threader
motor
worm
gear
and
slowly
rotate
the
threader
mechanism
gear
±6²
clockwise;
or
b.
Use
a
#1
flathead
screwdriver
to
turn
the
threader
worm
gear
±9²
clockwise.
This
rotates
the
threader
motor
worm
gear
±4²
clockwise,
drawing
the
tape
leader
block
assembly
(LBA)
into
the
cartridge.
a82ru009
1
2
3
4
5
6
7
8
9
Figure
21.
Drive
with
cover
removed
to
reveal
gear
train.
56
IBM
400/800GB
LTO3
Tape
Drive
User’s
Guide