Adjusting The Movable Knife Up And Down; Relationship Between The Movable Knife, Needle Thread And Looper Thread; Looper Thread Clamp Spring Pressure; Adjusting The Thread Releaser - KANSAI SPECIAL NC Series Parts List, Instructions

5-7 Adjusting the movable knife up and down

There should be a clearance of 0mm between movable knife and the top surface of looper.
The adjustment is made by loosening screw X and moving stationary knife holder guide.
After the above adjustment, make sure the movable and stationary knife holders move
smoothly.

5-8 Relationship between the movable knife, needle thread and looper thread

After all the adjustments are made, check the
following before threading to start the machine.
■Movable knife A should enter needle thread loops B.
Cutting edge C for the looper thread should pass
looper thread D.
■When the movable knife is returning home, the
needle threads and looper thread are pulled to the
right by cutting edges E and F and cut by the
stationary knife.

5-9 Looper thread clamp spring pressure

The looper thread clamp spring holds the looper
thread after it is cut. To adjust the pressure of
thread clamp spring H, turn adjusting screw G.
To increase the pressure, turn it clockwise. To
decrease the pressure, turn it counterclockwise.
The machine is supplied with a spun thread (#60).
The pressure of the thread clamp spring is factory-
set at approximately 90g.Adjust the pressure for
other threads.
5
NC-UT
series
【 6】 ADJUSTING THE THREAD RELEASER

6-1 Thread releaser block

With the thread trimmer air cylinder rod at the left
end (the air cylinder is not operating), set the
clearance between thread trimmer air cylinder
bracket A and thread releaser block B at 4mm.
Then tighten screw C.

6-2 Thread releaser connection plate

Fit thread releaser connection plate D to guide screw
E. Create a clearance between plate D and thread
releaser connection lever G. Adjustment is made by
loosening screw H.

6-3 Thread releaser lever

Position thread releaser lever F so that the thread
tension disk can open as fast as possible.
Then tighten screw H for thread releaser connection
lever G at the rear of the arm.
NC-UT
series
6