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ADJUSTING THREAD TENSIONS
ADJUSTING THREAD TENSIONS
ADJUSTING THREAD TENSIONS
ADJUSTING THREAD TENSIONS
Test thread tensions on a scrap you plan to use.
Test thread tensions on a scrap you plan to use.
Test thread tensions on a scrap you plan to use.
Test thread tensions on a scrap you plan to use.
FOUR-THREAD USE
FOUR-THREAD USE
FOUR-THREAD USE
FOUR-THREAD USE
Just right.
Both looper threads hanged
Just right.
Under side
Both looper threads
Under side
Just right.
Just right.
hanged off.
Under side
Left
Under side
Left
needle
needle
thread
thread
Lower
Upper
Lower
looper
Upper
looper
looper
thread
looper
thread
thread
thread
Right
Lower
Left
Lower
Right
Upper
Left
needle
needle
Upper
looper
looper
needle
needle
looper
thread
thread
looper
thread
thread
thread
thread
thread
thread
Top side
Top side
Right
Right
Fig. 1
Left
Left
needle
needle
needle
needle
thread
thread
thread
thread
Fig. 1
Top side
Fig. 1
Top side
A: Wider
A: Wider
B: Longer
B: Longer
C: Tighter
C: Tighter
A. Overedge cutting width dial
A. Overedge cutting width dial
A. Overedge cutting width dial
wider
wider
Turning to the higher number gives
Turning to the higher number
Turning to the higher number gives
wider width. The lower the number,
gives wider width. The lower the
wider width. The lower the number,
the narrower the width.
the narrower the width.
number, the narrower the width.
Both looper threads hanged
Both looper threads hanged
Upper looper thread pulled
to under side.
Upper looper thread pulled
Left
Right
to under side.
Upper looper thread
Under side
Left
Right
needle
needle
pulled to under side.
needle
needle
thread
thread
Lower
thread
thread
Under side
Right
looper
Under side
Right
Upper
needle
thread
Upper
needle
looper
Lower
thread
looper
Lower
thread
thread
looper
thread
looper
thread
Upper
thread
Upper
looper
looper
thread
thread
Lower
Lower
looper
looper
thread
thread
Upper
Upper
Fig. 1
looper
looper
Lower
Lower
Top side
thread
thread
looper
looper
A: Wider
A: Wider
C : U p p e r l o o p e r t i g h t e r
B: Longer
thread
thread
B: Longer
Lower looper looser
C: Tighter
C: Tighter
Top side
Top side
C: Upper looper tighter
C : U p p e r l o o p e r t i g h t e r
Lower looper looser
Lower looper looser
B. Stitch length dial
B. Stitch length dial
A. Overedge cutting width dial
B. Stitch length dial
narrower
narrower
narrower
narrower
wider
wider
Turning to the higher number gives
Turning to the higher number gives
Turning to the higher number
wider width. The lower the number,
Turning to the higher number gives
longer stitch length. The lower the
the narrower the width.
gives longer stitch length. The
longer stitch length. The lower the
number, the shorter the stitch length.
number, the shorter the stitch length.
lower the number, the shorter the
stitch length.
Upper looper thread pulled
Lower
looper thread pulled
Lower
looper thread pulled
to under side.
to top side.
to top side.
Lower
looper thread pulled
Under side
Under side
to top side.
Lower looper thread pulled
Under side
to top side.
Lower
looper
Under side
Under side
thread
Upper
Upper
Upper
looper
Upper
looper
looper
looper
thread
thread
thread
thread
Upper
Fig. 2
Upper
Top side
Top side
looper
Fig. 2
Top side
looper
thread
C : U p p e r l o o p e r t i g h t e r
C : U p p e r l o o p e r l o o s e r
thread
C : U p p e r l o o p e r l o o s e r
Lower looper looser
Lower looper tighter
Lower looper tighter
Fig. 2
Fig. 2
Top side
Top side
C: Upper looper looser
C : U p p e r l o o p e r l o o s e r
Lower looper tighter
Lower looper tighter
B. Stitch length dial
C. Tension control
longer
longer
longer
longer
shorter
shorter
shorter
shorter
Turning to the higher number gives
Turning to the higher number gives a
Turning to the higher number
longer stitch length. The lower the
Turning to the higher number gives a
tighter thread tension. The lower the
number, the shorter the stitch length.
gives a tighter thread tension.
tighter thread tension. The lower the
number, the looser the tension.
number, the looser the tension.
The lower the number, the looser
the tension.
Left needle thread loose
Left needle thread loose
and visible on under side of
and visible on under side of
fabric.
Left needle thread loose
fabric.
Left needle thread loose
Under side
and visible on under side of
and visible on under side
Under side
fabric.
of fabric.
Left
Left
needle
Under side
needle
Under side
thread
thread
Left
Left
needle
needle
thread
thread
Lower
Lower
looper
looper
thread
thread
Lower
Lower
looper
looper
thread
thread
Fig. 3
Fig. 4
Top side
Fig. 3
Top side
Fig. 4
C: Left needle thread tighter
C: Left needle thread tighter
Both looper looser
Both looper looser
Fig. 3
Fig. 4
Fig. 3
Top side
Fig. 4
Top side
C: Left needle thread
C: Left needle thread tighter
tighter Both looper looser
Both looper looser
C. Tension control
C. Tension control
C. Tension control
Increase tension
Increase tension
Increase tension
Increase tension
Decrease tension
Decrease tension
Decrease tension
Decrease tension
Turning to the higher number gives a
tighter thread tension. The lower the
number, the looser the tension.
Right needle thread loose
Right needle thread loose
and visible on under side of
and visible on under side of
fabric.
fabric.
Right needle thread loose
Right needle thread loose
Under side
and visible on under side of
Under side
and visible on under side
fabric.
of fabric.
Right
Right
needle
Under side
needle
Under side
thread
thread
Right
Right
needle
needle
thread
thread
Fig. 5
Top side
Top side
Fig. 5
C : R i g h t n e e d l e t h r e a d
C : R i g h t n e e d l e t h r e a d
tighter
tighter
Fig. 5
Top side
Fig. 5
Top side
C: Right needle thread
C : R i g h t n e e d l e t h r e a d
tighter
tighter
49
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