Crank Balancer Positioning - JUKI AMS-221EN Series Engineer's Manual

(7) Crank balancer positioning

Standard Adjustment
[Rotating direction]
When the needle bar lowers and the clearance between the needle bar connecting and needle bar lower
bushing is 4.6 mm, 2 setscrews of the crank balancer becomes horizontal position.
[Axial direction]
Bring the main shaft eccentric cam into contact with the crank balancer .
B
A
4.6mm
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