Needles & Threading; Needles; Replacing The Needle; Threading - KANSAI SPECIAL NC Series Parts List, Instructions

【1】 NEEDLES & THREADING

1-1 Needles

TVx5 of Schmetz , Organ or Groz-Beckert.
Select the proper needle for the fabric and thread.
＜Needles and needle size＞
Schmetz Nm120 Nm125
Organ #19 #20

1-2 Replacing the needle

To replace the needle, check the needle carefully to see that
the scarf is turned to the rear of the machine
< Note >
Before replacing the needle, be sure to turn off the machine. A clutch motor continues
running for a while after the machine is turned off. Therefore keep on pressing the
pedal until the machine stops.

1-3 Threading

Thread the machine correctly by referring to the illustration below.
Threading the machine incorrectly may cause skip stitching, thread breakage and/or
uneven stitch formation. Thread tension should be changed according to various kinds of
conditions such as the thread to be used and/or the feeding amount (see Chapter 11 for
"Stitch formation").
A........Needle thread
B........Looper thread
Nm130
#21
NC/J
1
【2】MACHINE SPEED
2-1 Machine speed & operating direction
Refer to the table below for maximum and standard
speeds of the Series. To extend machine life, run
the machine approximately 15~20% below the
maximum speed for the first 200 hours of operation
(approx. 1 month). Then run the machine at the
standard speed.
The machine pulley turns clockwise as the
handwheel does as seen from the machine pulley
2-2 Motor & belt
Motor
Belt
Select the proper motor pulley according to the
machine speed (refer to the motor pulley outer
diameter on the table below).
position the motor by pressing the finger onto the
middle of the belt so that 1~2cm deflection can be
achieved (see the illustration on the right)
< Machine speed >
NC1001J
NC1001SJ
< Motor pulley selection table >
Motor pulley outer
series
: 3-phase, 2-pole, 400W clutch motor
: M type V belt
Adjust where to
MAXIMUM STANDARD
TYPE
SPEED SPEED
3500SPM 3000SPM
4000SPM 3500SPM
Machine speed (rpm)
diameter (mm) 50Hz 60Hz
60 2660 3180
70 3100 3700
80 3500 4200
90 4000 4700
2
NC/J
series