–
29
–
Standard Adjustment
(4) Timing of the rear needle guard
The standard position of rear needle guard cam
5
is the position where timing mark
7
in rear needle guard cam
5
aligns with the center of the notch of looper longitudinal cam
6
.
2. Front needle guard
(1) It is the standard that the clearance provided between front needle guard
9
and the needle is 0.1 to 0.3 mm.
5
7
6
To align
(11) Adjusting the needle guard
0.1 to 0.3 mm
3
9
!0