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(1) When wth thread clamp (moton), use the sewng machne after adjustng the needle thread length
at the start of sewng to 40 to 50 mm. When the needle thread length s too long, the needle thread
end held wth the needle thread clamp may be rolled n the seams.
1)
3)
When needle thread is excessively long at the time of using the thick thread, the end of nee-
dle thread held with the needle thread clamp is rolled in the seams, and slip of position of
material may occur or needle breakage may be caused.
(2) When the thread clamp s used, and bobbn thread at the sewng start appears on the rght sde of
materal, reduce thread tenson at the sewng start (2 to 3 sttches) and bobbn thread becomes less
conspcuous.
[Example of setting]
Tenson of 1 to 2 sttches at the sewng start s "20" when sewng tenson settng s "35".
* For settng of tenson at the start of sewng, see of
1. thread at the start of sewing may be rolled in case of some patterns. When thread is rolled
in even after performing adjustment of (1) or (2), use the sewing machine with thread
clamp oFF.
2. thread clamp failure may occur in the state that thread waste is jammed in the thread
clamp device. remove the thread waste referring to
"#-1-7. Needle thread clamp device"
5-3. How to use the plastic blank (supplied with the machine as an accessory)
6
1
40 to 50 mm
p.98.
5
4
2
3
– 14 –
1) In case of wth the needle thread clamp, the
standard of the length of needle thread s 40 to
50 mm.
2) When needle thread s long after replac-
ng thread or the lke or sewng whle holdng
needle thread by hand, turn OFF the THREAD
CLAMP key
.
3) When needle thread held wth the needle
thread clamp s rolled n the seams, when error
has occurred, or when needle thread s held
entangled wth the needle thread clamp, do
not forcbly draw the cloth, but cut the con-
nected needle thread wth scssors or the lke.
The seams cannot be broken because of the
needle thread at the start of sewng.
"@-2-8.(1) changing the thread tension value"
1) Machne the plastc blank suppled wth the
machne accordng to the sttchng shape.
2) Attach the plastc blank to the feedng frame as
illustrated in the figure.
use a sponge sheet or rubber sheet
supplied with the machine in combina-
tion with the plastic blank, if neces-
sary.
1 Plastc blank
40072147
2 Feedng frame
40072138
3 Setscrew
SM1041401SC SM1041401SC
4 Washer
WP0430801SC WP0430801SC
5 Nut
NM6040001SC NM6040001SC
6 Postonng screw SM4040501SN SM4040501SN
p.30.
4530
6030
40074148
40072139
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