29
①
ⓝ
13) Needle and Needle Guard(Front)
When the tip of the looper is located at the center of the left
and right needles, adjust the distance between each needle
and [the needle guard(Front)ⓝ] at 0~0.3mm respectively.
Make the adjustment by loosening [the screw①].
[ Figure 51 ]
0~0.3mm
14) Height of Feed Dogs
When the feed dog is located at the highest position, the
front face of the feed dog and the front face of the needle
plate are in parallel. In this case, make [the differential feed
dog(A)] and [the main feed dog(B)] have the same height,
and set the height between the front face of the needle plate
and the front face of the feed dog at 1.0~1.2mm.
15) Adjustment of needle and spreader
⑴ Fixing of spreader
[ Figure 52 ]
1.0~1.2mm
BA
[ Figure 53 ] [ Figure 54 ] [ Figure 55 ]
①
a
0.5~0.8mm
4.5~5.5mm
8.5~9.5mm
①
③
②
When the spreader① moves to the left, the clearance between the left needle and the hook tip of the spreader (a) is
0.5mm ~ 0.8mm. (Figure 53)
When the spreader sits at the far left, the distance from the left needle center to the hook tip of the spreader (a) is 4.5mm ~
5.5mm.
The spreader can be adjusted by untightening the spreader fixing screw② and the spreader handle fixing screw③.
(Figure 55)
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