JUKI AC-172N-1790AN Instruction Manual page 44

Buttonholing indexer
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(3) Adjusting the sub-clamp pressure
150mm
150mm
150mm 150mm
85mm
Measure the pressure of the sub-clamp
and adjust it properly.
Drill holes ❶ to ❻ in a garment body
1)
according to the dimensions shown
in the figure. Place the garment
body on the sewing machine so that
the six holes are on the same axes
with the sub-clamps.
Refer to "1.4. Preparation of the
device" in the Setup Manual for
how to adjust the adjuster.
Press solenoid valve switch 8 ❾ to clamp the
2)
garment body with the sub-clamps.
3)
While the sub-clamps are clamping the garment
body, put a spring balance onto the garment
body to measure the pressure applied by the
sub-clamps when the garment body starts to be
fed. (Standard value: 700 g - 1500 g)
4)
Adjust the sub-clamp pressure referring to the (2)
adjustment of the presser plate.
– 40 –

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