Adjustment Of The Sewing Machine; Adjusting The Needle And The Looper; Adjusting The Needle Bar Height; Adjusting The Clearance Between The Needle And The Looper - JUKI AMB-289/IP-420 Instruction Manual

4. ADJUSTMENT OF THE SEWING MACHINE

(1) Adjusting the needle and the looper

1) Adjusting the needle bar height

1
To align
Marker
line

2) Adjusting the clearance between the needle and the looper

1
Use the timing gauge supplied as accessories.
Loosen screw 1 and adjust so that plane A in
case of SM332EXTLG-NY (standard needle) or
plane B in case of SM332SUPLG-NY aligns with
the height of the throat plate when the needle bar
comes down to the lowest position.
A
[Needle list]
MSM3AAN1100
B
MSM3AAN1200
MSM3AAN1400
MSM3AAN1600
MSM3AAN1800
MSM3ABN1100
MSM3ABN1200
MSM3ABN1400
MSM3ABN1600
MSM3ABN1800
Use the timing gauge supplied as accessories.
Loosen two screws 1 , move looper 2 and adjust
by loosening screw 4 so that the clearance
between the needle and the blade tip of looper
D
is 0.05 to 0.1 mm when plane C in case of
SM332EXTLG-NY (standard needle) or plane D in
case of SM332SUPLG-NY aligns with the height
of the needle bar.
C
In addition, adjust so that the left position of
needle 3 aligns with the top end of looper 2 as
observed from the front.
0.05 to 0.1mm
2
Ⅰ–18
Perform the adjustment at the needle
rocking origin (marker line).
JUKI Part No.
NEEDLE SM332EXTLG-NY #11
NEEDLE SM332EXTLG-NY #12
NEEDLE SM332EXTLG-NY #14
NEEDLE SM332EXTLG-NY #16
NEEDLE SM332EXTLG-NY #18
NEEDLE SM332SUPLG-NY #11
NEEDLE SM332SUPLG-NY #12
NEEDLE SM332SUPLG-NY #14
NEEDLE SM332SUPLG-NY #16
NEEDLE SM332SUPLG-NY #18
Needle Part No.
3