JUKI AC-172N-1790AN Guía del usuario
AC-172N-1790AN
SETUP MANUAL
– 1 –
When you install the sewing machine in your plant, be sure to adjust the adjusters and check that the sewing
machine is properly installed. Check the alignment between the preset board and the sub clamp catch plate
following the steps of procedure described below.
1.VERIFICATION OF THE LOCATION OF PRESET BOARD AND SUB
CLAMP CATCH PLATE
1-1. Preparation of the power supply and the air supply
Refer to "I.3-2. Connecting the power supply" and "I.3-3. Installing the air hose" in the Instruction Manual.
1-2. Preparation of the adjusters
Turn the adjusters ( ①- ⑦) until they come in contact with the oor. After they have come in contact with the
oor, turn the adjusters clockwise by one revolution to lift them.
Adjuster ①
Adjuster ②Adjuster ③Adjuster ④
Adjuster ⑤
Adjuster ⑥Adjuster ⑦
1-3. Preparation for the device
❷
❶
Check to be sure that the seam allowance is set to 21
mm. If not, adjust the seam allowance to 21 mm.
Insert preset adjusting knob ❶which is supplied in the
tool box into the hole, and turn the knob to set the seam
allowance to the value indicated by scale (21mm) marker
❷. After the adjustment, return knob ❶to the tool box to
prevent it from being lost.
– 2 –
1-4. Preparation for the device
Displaying the data entry screen
Only on the data entry screen (blue), it is possible to select the sew-
ing shape. On the sewing screen (green), press to display the
data entry screen (blue or pink).
Displaying the check program
When you keep held pressed for three seconds, is
displayed on the screen. The check program screen is displayed by
pressing this button.
Caution :
Do not turn the power OFF when the preset board is
traveling forward under the adjuster adjustment mode.
Displaying the adjuster adjustment mode
Display the I07 adjuster adjustment mode by pressing .
Starting the adjuster adjustment mode
After adjuster adjustment mode screen is displayed at the press
of , press machine head stop switch . Then, the preset
device travels forward and the cloth plate goes up. Place the adjust-
ment gauge and adjust the adjuster.
After you have completed adjustment of the adjuster, detach the
adjustment gauge and press the machine head switch to return the
cloth plate and the preset device to their home positions. Then, turn
OFF the power switch to exit from the adjuster adjustment mode.
– 3 –
Place the adjustment gauge, which has the same marker dot number with the sub-clamp catch plate number
, or , on the preset board. Check whether the 6th thread of the sub-clamp catch plate is aligned with
the adjustment gauge. If not, adjust the location of the preset board and sub-clamp device taking the steps of
procedure in "■Adjustment of adjusters and alignment" p.4.
1-5. Vericationoflocationsofthepresetboardandthesubclampcatchplate
Sub clamp catch plate Sub clamp catch plate
Sixth thread
Marker dot
number
Operator side
Aligned
Operator side
* Refer to "Adjustment
of adjusters and
alignment" p.4.
Not aligned
Not aligned
Not aligned
(Displaced on the
operator side)
Not aligned
(Displaced on the
opposite side of
the operator)
Operator side
(Caution) Before the adjustment of position of the preset board and sub-clamp catch plates, check whether the
6th thread of the sub-clamp catch plates , and are displaced toward or away from the operator
with respect to the gauge. If the sub-clamp catch plates are displaced in whole, it is necessary to
adjust the seam allowance.
Caution :
Check the alignment between the
gauge
and the sub clamp locations observing from straight
above the cloth plate and do not touch the devices.
Sub clamp catch plate
Sixth thread
Sixth thread
Sixth thread
* Refer to "Adjustment
of adjusters and
alignment" p.4.
Aligned
Adjuster Adjuster Adjuster Adjuster
Adjuster
Adjuster
Adjuster
– 4 –
Step 1
1A-1.
In the case the 6th
thread of sub-clamp
catch plate
❶
is dis-
placed forward with
respect to the gauge.
Sixth
thread
1B-1. In the case the 6th
thread of sub-clamp
catch plate
❶
is dis-
placed backward with
respect to the gauge.
Sixth
thread
1A-2.
Lift adjuster ⑦, and
adjust by turning it
clockwise until the 6th
thread of sub clamp
catch plate is aligned
with the
gauge.
Then,
proceed to step 2.
Sixth
thread
1B-2.
Lift adjuster ①, and ad-
just by turning it clockwise un-
til the 6th thread of sub clamp
catch plate is aligned with the
gauge.
Then, proceed to
step 2.
Sixth
thread
Step 2
2A-1. In the case the 6th
thread of sub-clamp
catch plate
❹
is dis-
placed forward with
respect to the gauge
Sixth
thread
2B-1.
In the case the 6th
thread of sub-clamp
catch plate
❹
is dis-
placed backward with
respect to the gauge
Sixth
thread
2A-2. Lift adjusters ③and
④, and adjust by
turning them clock-
wise until the 6th
thread of sub clamp
catch plate is aligned
with the
gauge
.
Sixth
thread
2B-2.
Lift adjuster ②, and
adjust by turning it
clockwise until the 6th
thread of sub clamp
catch plate is aligned
with the
gauge.
Sixth
thread
Carry out steps 1 and 2
again.
Step 3
3A-1.
In the case the 6th
thread of sub-clamp
catch plate
❺
is dis-
placed forward with
respect to the gauge.
Sixth
thread
3B-1.
In the case the 6th
thread of sub-clamp
catch plate
❺
is dis-
placed backward with
respect to the gauge.
Sixth
thread
3A-2.
Lower adjuster ⑤by
turning it counterclock-
wise to adjust so that
they are aligned
with
the gauge.
Sixth
thread
3B-2.
Lift adjuster ⑤, and ad-
just by turning it clock-
wise until the 6th thread
of sub clamp catch
plate is aligned with the
gauge.
Sixth
thread
Finish the adjustment. Carry out steps 1 to 3
again.
A
×
Not aligned
3-3.
Re-check: Are
the 6th threads of sub
clamp catch plates ❶,❹and ❺
aligned with the gauge?
(See Fig. 1.)
○
Aligned
×
Not aligned
Fig. 1 Fig. 1
A
○
Aligned
2-3.
Re-check: Are
the 6th threads of sub
clamp catch plates ❶and ❹aligned
with the gauge ?
(See Fig. 1.)
Fig. 1 Fig. 1
Fig. 1 Fig. 1
Caution : Check to make sure that a
clearance is provided with the sub-
clamp catch plate and the preset board.
After the completion of adjustment, be
sure to remove the adjustment gauge.
■ Adjustment of adjusters and alignment
– 5 –
If the machine head comes down from its normal position due to aged deterioration, the folded edge of the material
and the seam (the edge) may not be properly aligned when placing the material position on the machine head.
In the case the smallest clearance (the dierence in height) between the machine head bed and the feed section
is 0.7 mm or more, place spacers (0.5 mm and 1.0 mm) at locations
❶
,
❷
and
❸
to decrease the clearance (the
dierence in height) to 0.7 mm or less
Feed plate
The lowest part of the feed block
0.5 to 0.7mm
Sewing machine bed
Clamp table
Spacer
Mfg. No.
a b
Sub clamp catch plate
❶
Sub clamp catch plate ❹
Sub clamp catch plate ❺
When moving the device after you have
installed it in your plant, ground the device
referring to the dimensions given on the
attached sheet
2. ADJUSTING THE MACHINE HEAD
3. RECORDS OF ADJUSTED VALUES
❶❷❸
Spacer
a
b
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