6-2 Position of the needle guard (front)
When the point of the looper has reached the center of the
right needle, the center of the right needle's eye should be
aligned with line A on the needle guard (front).
In addition, the left and right needles should be parallel
with the needle guard (front).
Adjustment is made by loosening screw B.
The clearance between the needles and the needle guard
(front) should be 0.2~0.5mm.
Adjustment is made by loosening screw C.
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ADJUSTING THE FEED DOG & STITCH LENGTH
7-1 Feed dog height & tilt
■
Height adjustment
The feed dog is at the top of its stroke, the feed dog teeth
should be 1.0~1.2mm (1.5mm on EHD) above the top
surface of the needle plate.
Adjustment is made by loosening screw A.
■
Tilt adjustment
When the feed dog is at the top of its stroke, the feed dog
teeth should be parallel with the top surface of the needle
plate. Adjustment is made by loosening screw B and
turning screw C.
7-2 Stitch length
Loosen bolt A (left-hand thread) with a 9.5mm T-wrench.
Then turn screw B. To increase the stitch length, turn
screw B counterclockwise.
To decrease the stitch length, turn screw B clockwise.
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