15
b
c
a
b
a
Change the Needle
1. Disconnect the machine from the power supply.
2. Turn the balance wheel to raise the needle above the presser foot.
Then apply the hexagon wrench ( in the accessory box) to loose the needle clamp screw for
the needle you are going to remove. (Figure a )
3. Insert new needle into the needle clamp with its flat side to the back until the top of needle touches
the stopper pin, then tighten the needle clamp screw. (Figure b )
4. When the needles are set correctly, the left needle is higher than the right needle. (Figure b ).
Noted: Never use the needle which is bent or blunt.
Change the Upper Knife
1. Disconnect the machine from power supply.
2. Open the sewing table and looper cover first.
3. Remove the presser foot.
4. Turn balance wheel toward you until the upper knife at its highest position.
5. Loosen the upper knife set screw and take off the upper knife. (Figure a )
6. Replace the new upper knife and tighten the set screw.
7. Turn the balance wheel toward you to set the cutting edge of the upper knife to its lowest position with
the lower knife to overlap between 0.5-1.0mm, and tighten the upper knife set screw securely (Figure b )
8. Re-set the presser foot, and close the sewing table and looper cover.
* The lower knife is made of special hard material and should not require replacement under normal use.
If it is chipped, call your dealer for replacement.
Upper knife
Set screw
Upper
knife
0.5~1.0mm
Lower
knife
Flat side
Push
Needle
clamp
Presser foot
Hexagon
wrench
Needle clamp
screw
* Raising the upper knife (Figure c )
Push the upper knife holder to the right. Turn the knob clockwise until the knife engages.