JUKI AMB-289 Engineer's Manual page 11

Adjustment Procedures
1. Use the timing gauge supplied as accessories.
Loosen screw 1 and adjust in case of SM332EXTLG-NY
(standard needle) so that when plane A is SM332SUPLG-
NY, turn the timing gauge up side down, and plane B aligns
with the height of throat plate when the needle bar comes
down to the lowest position.
(Caution) Adjust the needle at the position of center (aligns
with the engraved marker line on the machine bed).
[Needle list]
JUKI Part No.
MSM3AAN1100 NEEDLE SM332EXTLG-NY #11
MSM3AAN1200 NEEDLE SM332EXTLG-NY #12
MSM3AAN1400 NEEDLE SM332EXTLG-NY #14
MSM3AAN1600 NEEDLE SM332EXTLG-NY #16
MSM3AAN1800 NEEDLE SM332EXTLG-NY #18
MSM3ABN1100 NEEDLE SM332SUPLG-NY #11
MSM3ABN1200 NEEDLE SM332SUPLG-NY #12
MSM3ABN1400 NEEDLE SM332SUPLG-NY #14
MSM3ABN1600 NEEDLE SM332SUPLG-NY #16
MSM3ABN1800 NEEDLE SM332SUPLG-NY #18
Adjustment Procedures
1. Use the timing gauge supplied as accessories.
2. 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 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.
In addition, adjust so that the left position of needle 3 aligns
with the top end of looper 2 as observed from the front.
(Caution) Adjust the needle at the position of center (aligns
with the engraved marker line on the machine bed).
Needle Part No.
7
−
Results of improper Adjustment
Remarks
Standard
needle
Long
needle
Results of improper Adjustment
−