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4. NEEDLE BAR HEIGHT
Standard of the needle bar height is 2.5mm from the
eye/threading hole of needle when the looper tip comes to the
center of needle.
a) Remove the right and left cloth clamp plate.
b) Start the machine and push the emergency button after a
few stitching. Switch off the main switch.
c) Rotate the hand pulley clockwise with hand until the
looper's tip comes to the center of the needle.
d) Loosen the screw (A) and move the needle bar up or down
until the hole of eye/threading of needle comes 2.5mm from
the looper's tip.
After adjusting it, tighten the screw (A).
Please do not tighten the screw too much.
Switch on the main switch, push the left and right foot switch
at the same time for returning all position to the original
position.
5. NEEDLE GUARD, LOOPERS AND SPREADERS POSITION
In case of new machine, the needle guard (A) has been adjusted at the factory as "Schmetz system 558" size
#90 or #110 needle. When changing the size of needle or from old needle guard to new one, it should
readjust.
The position of needle guard should be zero or slightly touch against the needle. The needle
guard is flexible, but surface of it for the needle is very hard.
a) Remove the right and left cloth clamp plate.
b) Set the sewing select dial to "S/O ". Start the machine and push the emergency button after the needle
works a few stitches. Switch off the main switch for safety
c) Remove both loopers and spreaders. Adjust the needle guard depend on the size of needle by bending it
to the forward or backward very carefully.
d) Put both loopers and adjust the position of them against the size of needle. The distance between both
loopers and the needle scarf should be about 0mm ~ 0.05mm.
e) After adjusting loopers, put spreaders and adjust the position of them as show in figure. The position of
spreaders are adjustable by spreader stoppers. Loosen the screw ① or ② and adjust them. Switch on
the main switch, push the left and right foot switch in the same time for returning the machine to original
position.
Needle guard (A)
Left spreader
Left looper
①
Right spreader
Right looper
②
5
(A)
Left
looper
Needle
Needle
guard
0mm
Needle
Looper
0 ~
0.05mm
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