Front And Rear Needle Guards; I N D I C A T I O N O F S E R I A L N U M B E R 6-1 Position Of The Needle Guard (Rear); Position Of The Needle Guard (Front); Spreader - KANSAI SPECIAL NC Series Parts List, Instructions

【 6】 FRONT AND REAR NEEDLE GUARDS
6-1 Position of the needle guard (rear)
■Align line a with the center of needle's hole when the needle is at the bottom of the stroke.
■Following the 5-6section, when the point of the looper has reached the center of the right
needle(R), the clearance between the needle and the looper should be 0~0.05mm. Loosen
screw B and move the needle guard (A) slightly to the front. Then the clearance between
the left needle(S) and the needle guard (A) should be 0~0.1mm.
■To adjust the needle guard (A) front to back, loosen screws C. The vertical adjustment, and
angle adjustment, by loosen screw B correctly.

6-2 Position of the needle guard (front)

■When looper has reached at the center of left needle. The position of needle guard (front)'s
height should be 1.5~2mm from the tip of left needle Y to the line of needle guard X.
■When looper has reached at the center of the right needle. The clearance between the
needle guard and needles should be 0.1~0.3mm. Also, when looper has reached at the center
of the left needle. The clearance between the needle guard and needles should be 0.1~0.3mm.
■To adjust the needle guard front to back, loosen screws B. The vertical adjustment, and
angle adjustment by loosen screw A correctly.
NC
series
13
【 7】 SPREADER

7-1 Timing of the spreader

Adjust according to the thread to be used or other
conditions. To make this adjustment,remove the
top arm cover and loosen two screws for looper
eccentric A on the upper shaft.
alignment mark C front or back while referring to
alignment mark B.
To advance the timing of the spreader to the needle,
shift mark C in the direction of D.
To delay the timing of the spreader to the needle,
shift mark C in the direction of E.

7-2 Position of the spreader

■Height
The distance from the point of the left needle to the bottom surface of the spreader should
be 1mm.
■Left-to-right position
When the spreader is at the extreme left end of its travel, the distance from the center of
the left needle to the point of the thread carrying notch should be 4.5~5.5mm.
When the spreader passes the left needle, the clearance between the point of the thread
carrying notch and the left needle should be 0.5~0.8mm. To make the above adjustment,
loosen screws A and B.
■Adjust the amount of the

spreader

according to the number of spreader threads and/or the
fabric weight. To make this adjustment, remove the arm
top cover, loosen nut C and then move the adjusting lever
pin in direction (a) or (b). To decrease the amount, move
the pin in the direction of (a). To increase the amount,
move the pin in the direction of (b).
Then shift
movement
NC
series
14