Standard Adjustment; Adjusting The Height Of The Needle Bar; Adjusting The Needle And The Hook - JUKI DP-2100 Engineer's Manual

3. STANDARD ADJUSTMENT

(1) Adjusting the height of the needle bar

1. Bring the needle bar to its lower dead point, and adjust so that the upper marker line engraved on the
needle bar aligns with the bottom end face of the needle bar lower bushing.

(2) Adjusting the needle and the hook

1. Adjust the blade point of hook to the center of needle so that the clearance between the blade point
and the needle is 0.04 to 0.1 mm when the lower marker line engraved on the needle bar aligns with
the bottom end face of the needle bar lower bushing. Then tighten three setscrews in the hook.
* RP hook (dry hook) rolls thread waste or cloth dust, and there is a possibility of breakdown or sewing
trouble. Periodically perform cleaning of the hook.
Standard Adjustment
To align
Standard Adjustment
To align
1
0.04 to 0.1 mm
− 4 −
3
4