1-32
S-4001 ISBH+I SM 30°
Released: 09/2017
E-mail: [email protected]; webside: amfreece.com
Phone: +420 582 309 146; Fax: +420 582 360 606
E - STANDARD MACHINE ADJUSTMENT
4. NEEDLE BAR
4.1. Needle bar crank position
Turn the hand wheel
5
until the reference point of the pulley
is in connection with the mark on the back cover as the picture
in section E1. The needle bar need to be in the top position. If
the needle bar is not in the indicated position turn the hand
wheel
5
and loosen lightly the screw
1
in the needle bar
crank
2
, hold the hand wheel and turn the crank in the
direction to obtain the condition. Check again and tighten the
screw
1
when the position is reached.
NOTE:
The needle bar should be in the top dead centre
position when the mark
3
is at 12 o‘clock. To check, turn the
hand wheel clockwise and counter-clockwise. The needle bar
6
must move downward in either direction. The needle shall
make its first stroke into the right side of the throat plate.
4.2. The needle bar height adjustment
Adjust the needle bar
6
height to 16 mm (5/8“) from the
surface of the throat plate
7
to the lower edge of the needle
eye. Use height gauge
9
. Loosen the set screw
8
and move
the needle bar up or down as necessary.
NOTE:
Alternativelly, check distance
X
at the top death
point=16.8 mm and bottom death point=10.2 mm.
the first stitch direction