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10) THREAD LUBRICATING DEVICE
When sewing at a high speed or using synthetic fiber thread and
sewing material, it causes the skipped stitches and thread
breakage.
This sewing machine basically has the thread lubricating device
to handle this problem.
Fix the silicone oil felt bracket
ⓐ
to the silicone oil tank
ⓑ
.
[ Figure 40 ]
ⓐ
ⓑ
1. When you do not u se the thread lubricating device, it may cause problems to the sewing.
Therefore draw the silicone oil felt bracket and use it.
2. If besides the thread lubricating device is stained with silicone oil, the M/C could be broken.
Wipe out the silicone oil after lubricating.
3. If besides the thread lubricating device is stained with silicone oil, the M/C could be broken.
Wipe out the silicone oil after lubricating.
Caution
Ethane silicone oil should be used and check the amount of oil on occasion opening the silicone oil cap.
11) OVERLAP WIDTH ADJUSTMENT OF UPPER SEWING MACHINE
(1) Standard position of the lower knife
Set the distance between the lower knife
ⓐ
and the lower knife holder
ⓑ
to 0~0.5mm. (Refer to the Figure 41)
(2) Standard position of the upper blade
Set the distance between the upper knife
ⓒ
and the lower knife
ⓐ
to 0.5mm when the upper knife
ⓒ
is on the most left.
(3) Sewing material overlap position adjustment
To move the end of the sewing material to the left or the right, move the lower knife
ⓐ
to the left or the right.
Reset the position of the knife(upper)ⓒ by loosening the clamp screwⓓ and ⓔ according to
the '(2) Knife (upper) standard position’
after adjusting the lower knife position. After resetting,
fix by tightening the clamp screw.
Warning
[ Figure 41 ]
ⓐ
ⓔ
ⓑ
ⓐ
ⓒ
ⓒ
ⓓ
0~0.5mm
0.5mm
