JUKI LK-1910 Engineer's Manual page 37

Adjustment Procedures
1) Loosen three setscrews 1, strongly push the X motor base in
the direction of arrow (a), and tighten again setscrews 1.
(Caution) When removing setscrews 1 and the X motor base,
the position of engagement of X feed arm gear
section 2 and motor base gear section 3 is shifted.
When the position is shifted, install the X motor
base so that motor base gear section 3 is placed
almost in the center of the X motor base when X
feed arm 4 is aligned with the center of the hook
driving shaft.
1) Remove felt presser 3 and loosen four setscrews 1. Lightly
push Y motor 4 in the direction of arrow (a), and tighten again
setscrews 1.
2) Loosen four setscrews 2 and lightly push X motor 5 in the
direction of arrow (a). Then tighten again setscrews 2.
Results of Improper Adjustment
™ If the pushing is not sufficient,
the backlash of the gear will
become large, and the accuracy
of the needle entry will be
lowered. Also, it will cause the
failure of the feed.
™ If the position of the engagement
of gear is shifted, maximum area
cannot be secured.
™ If the pushing is not sufficient,
the backlash of the gear will
become large, and the accuracy
of the needle entry will be
lowered. Also, it will cause the
failure of the feed.
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