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Fig.12-4.
Removing the Holder Assembly,and
Rollers
12.5 Removing and Remounting the Head FPC,
Track 0 Connector, and Stepper Motor
Connector
(1)
Draw the contact section of the head FPC
upwards out of the head connector J6 by
pinching it by flat pens with care not to
damage it.
(2) Remove the track 0 cable connector (red) from
the connector J3 (on the stepper motor side,
red) on the PCB.
(3) Remove the stepper motor cable connector
(brown) from the connector J4 (on the track 0
side, brown).
(4) Remount the above in the reverse procedure of
steps
(1)
to (3).
In this case, be sure to insert the head FPC to
the full extent in the right angle.
Wiring
should be made so that the lead wire of the
track 0 and the stepper motor does not contact
the carriage of the head or hang over the track
0.
(5) Ensure that the head FPC is not higher than the
track O assembly.
(6) Ensure that the head FPC does not contact the
head of the track 0 assembly set screw.
Note:
FPC:
Flexible printed circuit.
- 16 -
Fig.12-5.
He•dF~
PC~J 6
Removing the Head FPC, Track O
Connector, and Stepper Motor
Connector
12.6
Removing and Remounting the Head Carriage
Assembly, Rod Clamp, and Guide Rod
(1)
Remove the holder assembly according to the
procedure in section 12.4.
(2) Remove the head FPC from the connector J6
according to the procedure in section 12.5.
(3) Remove two set screws on the rod and remove
the rod clamp.
(4) Move the head carriage assembly in the reverse
direction of the stepper motor (rightward) and
remove it.
(5) Draw the guide rod out of the head carriage
assembly.
(6) Remount the above in the reverse procedure of
steps
(1)
to (5).
[Cautions for Remounting]
(7) Apply oil to the guide rod (but not too much),
insert the rod into the head assembly, move it
back and forth several times, and confirm that
the guide rod moves smoothly.
(8) Place the position where the head carriage
assembly pinches the stepper motor lead screw
at the center of the lead screw length.
(9) Place the mounting position of the guide rod
on the base so that the tail end of the guide rod
comes to the same position as the base or
projected less than
1
mm.
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