10
【
6
】
ADJUSTING THE NEEDLE GUARDS (FRONT AND REAR)
6666----1 Position of the needle guard (rear) (2
1 Position of the needle guard (rear) (2
1 Position of the needle guard (rear) (2
1 Position of the needle guard (rear) (2----3U)
3U)
3U)
3U)
■
Height of the needle guard (rear)
When the needle is at the bottom of its stroke, line B on
needle guard (rear) A should be aligned with the center
of the needle's eye.
■
Front-to-back position of the needle guard (rear)
When the point of the looper has reached the center of
the right needle, adjust the needle guard (rear) so that
there is a clearance of 0~0.05mm between the needle
and the looper. The same adjustment should be made
on other double chainstitch machines.
These adjustments are made by loosening screws C and
D. The clearance between the left needle and the
needle guard (rear) should be approximately 0.2mm.
6666----2 Position of the needle g
2 Position of the needle g
2 Position of the needle g
2 Position of the needle guard (rear) (004U)
uard (rear) (004U)
uard (rear) (004U)
uard (rear) (004U)
■
Height of the needle guard (rear)
When the needle is at the bottom of its stroke, line B on
needle guard (rear) A should be aligned with the center
of the needle's eye.
■
Front-to-back position of the needle guard (rear)
When the point of the looper has reached the center of
the needle, adjust the needle guard (rear) so that there
is a clearance of 0~0.05mm between the needle and the
looper.
< Note >
Adjustments is made by loosening screws C and D.
