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(7) Adjustment of rear needle guide
1) Longitudinal adjustment of the rear needle guide
1. When the pulley is turned counterclockwise and the rear needle holder
position, it lightly touches the left needle
When tip of the front looper
while this front looper
contact with the rear needle holder
2. The relationship between the middle needle
the middle looper
(Caution) 1. The rear needle holder
needles (
Recheck the needle entry condition for adjustments if the contact positions of the right
and left needles (
2. To change the stitch length, readjustment of the front and rear positions is also needed
for the rear needle holder
2) Height adjustment of rear needle guide
1. When tip of the front looper
2.0mm between the lower position "A" of the needle hole and Point B of the rear looper
2. The relationship between the middle needle
the middle looper
Longitudinal directions of rear needle guide
•
•
•
•
The clearance between tip of looper
and needle is 0.0 mm.
(Light contact)
Standard Adjustment
reaches the position 1.5mm apart from the left side of the left needle
moves in right direction, the standard position is that the needle tip comes in
.
is also required to assume the same conditions as 1. above in standard positioning.
somewhat changes its contact position with the respective
,
, and
) according to the needle entry position.
and
) seem to be different.
coincides with the right side of the left needle
is also required to assume the same conditions as 1. above in standard positioning.
1.5mm
Longitudinal directions
and then tip of the front looper
and the rear looper
.
and the rear looper
Right and left directions
– 22 –
advances to the most front
passes.
and between the right needle
, the standard dimension is
and between the right needle
Vertical direction of rear needle guide
A
B
and
.
and
2.0mm
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