JUKI MEB-3200 Engineer's Manual page 73

Adjustment Procedures
1. Loosen four setscrews 1, slightly press the lengthwise feed
motor in the direction of the arrow mark (/), and tighten again
four setscrews 1.
2. Loosen two setscrews 2 and two setscrews 3, slightly press
the crosswise feed motor in the direction of the arrow mark (/
), and tighten again two setscrews 2.
Adjustment Procedures
1. The tendencies described on the right-hand side can be
obtained by sliding up and down thread take-up thread guides
3 and 5 attached to thread take-up thread guide installing
base 1.
2. Loosen screw 2 to move thread take-up thread guide 3 in the
downward direction.
3. Loosen screw 4 to move thread take-up thread guide 5 in the
upward direction.
Results of Improper Adjustment
When the backlsash is large :
™ Defective feed occurs and
accuracy of needle entry
position is deteriorated. As a
r e s u l t , s e w i n g p a t t e r n i s
deformed.
When the pressing is too strong :
™ When the pressing is too strong,
load of feed is increased and
defective feed occurs.
Results of Improper Adjustment
Move downward thread take-up thread
guide 3.
1. Stitches of double chain-stitch are
easily able to stand and the range
of sewing possible area is widened.
On the contrary, the whole stitches
become stiff.
(This adjustment is for the heavy-
weight materials.)
2. Loops when the looper catches
become large. As a result, stitch
skipping can be prevented.
Move upward thread take-up thread
guide 5.
1. Stitches of double chain-stitch
become flat and stitches become
soft. On the contrary, the range of
sewing possible area is narrowed
and stitch skipping is apt to occur.
(This adjustment is for the light-
weight materials.)
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(In case of hard-to-slide thread)