Table of Contents
Advertisement
Adjustment Procedures
1. Checking procedure of needle entry
(1) Mount 3 needles
.
(2) Loosen the needle bar holding screw
bar
height (12.5 mm), and tighten the needle bar holding screw
{6} temporarily (approximately 4 turns of the needle bar
(3) Insert the torque rod
and rotate the needle bar
needle entry position in the front-rear and right-left directions.
(Caution) 1. When the needle
the needle hole of the throat plate
direction, follow the procedure below.
2. For needle entry adjustment, mount the rear needle
guides temporarily and make sure that 3 needles
touch evenly.
2. Needle entry adjustment
(1) For adjusting the needle entry position in the right-left direction,
remove 6 setscrews
the front top cover
(2) Loosen the hexagon head bolt
pin
, and rotate the driver in the right-left direction. Then, the
sylinder arm moves in the right-left direction.
(3) Adjust the needle entry position in the right-left direction.
o Rotation of the eccentric pin
leftward.
o Rotation of the eccentric pin
arm rightward.
(4) After adjustments, tighten the hexagon head bolt
(5) After adjusting the needle entry position, put the front top cover
and packing
back on and tighten the setscrew
to the needle clamp
and tighten the setscrew
, set the temporary needle
into the hole at the top of the needle bar
in the right-left direction to adjust the
position is not in the center of
securing the front top cover
and packing
.
, engage a driver with the eccentric
clockwise moves the cylinder arm
counterclockwise moves the cylinder
Results of Improper Adjustment
o Improper needle entry position
).
in the right-left
to remove
.
.
– 15 –
adjustment may cause stitch
skipping, needle breakage, or
thread breakage.
Advertisement
Table of Contents
