Needle Size And Gauge; Adjustment; Gauge - JUKI AMS-210EN/IP-420 Instruction Manual

4-3. Needle size and gauge

When changing the needle size, it is necessary to adjust the hook and to replace the gauge.

(1) Adjustment

In the standard delivery state, the hook has been factory-adjusted to DP x 5 #14 needle for the S
type and to DP x 17 #18 needle for the H type.
When changing the thickness of the needle, perform the adjustment of
needle-to-shuttle relation"
When changing the length of the needle, perform the adjustment of
of the needle bar"
When the adjustment of hook and driver is not fit to the thickness of the needle, sewing trou-
bles such as stitch skipping and the like or abrasion of the blade point of hook will be caused.

(2) Gauge

When changing the needle size, replace the gauge with the optional gauge of the correspondence table.
Needle Needle hole guide
Number Part No.
(Thickness)
#09 to #11 B242621000C
(Knit)
#11 to #14 B242621000A
#14 to #18 B242621000B
#18 to #21 B242621000D
#21 to #25 B242621000F
*1 There is a case where the sewing quality is increased by changing the gauge to other gauge in accordance with the sewing conditions.
Example 1 : When stitch skipping occurs with the needle #14, change the intermediate presser from 14103352 to 14103253.
Example 2 : When stitches are not well tightened with the needle #19, change the intermediate presser from 40023632 to
B1601210D0BA.
1. The table above describes the typical optional gauges.
For the other special gauges, ask our sales distributors.
2. When using the gauge that is not fit for the thickness of the needle, needle breakage,
abrasion of components such as inner hook and the like, sewing trouble such as stitch
skipping and the like will be caused.
Example : When sewing the sports shoes with a big size needle guide or inner hook
p.114.
p.114.
Intermediate presser
øA
Needle hole Part No.
diameter (φA)
ø1.6 B1601210D0E
ø1.6 40023632
ø2.0
ø2.4
ø3.0 B1601210D0BA
or
B1601210D0CA
presser, needle thread loop becomes unstable and stitch skipping or thread
breakage may occur.
"#- 1-1. Adjusting the height
øA
L
H
øB
Dimension
(øA × øB × H × L)
ø1.6 × ø2.6 × 5.7 × 37.0 14103253
*1 ø2.2 × ø3.6 × 5.7 × 38.5 14103352
ø2.7 × ø4.1 × 5.7 ×38.5
ø3.5 × ø5.5 × 5.7 ×38.5
– 19 –
"#- 1-2. Adjusting the
Inner hook presser
Part No. Dimension A
0.8
*1 1.3
14103659 1.7
or
B1817210DAD 1.9