Merrylock MK 4055, Инструкция

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22. SUGGESTED TENSION SETTING
Tension settings are effected by :
* Type and thickness of fabric
* Needle size
* Size, type and fibre content of thread
(1) CHAIN STITCH
(1) Chain stitch
Medium weight
Fabric
Blue Green
Orange
Brown
Tension Dial ATD: D
Topside
Underside
Cover stitch middle
needle
Chain stitch looper
thread
Needle Position
Seam Width Finger Knob
Stitch Length
Driving Clutch Position
R
2~4
C
* Stitch length for chain stitch should be
* Set auto tension dial to D shown at right and test
sew on a sample of your fabric.
* When the chain stitch needle thread tension is too
loose;
- Turn the needle thread tension fine tuning lever
(blue) toward a higher position.
- Or, turn the chain stitch looper thread tension fine
tuning lever (brown) toward a lower position.
set at over
2mm.
(2) COVER STITCH, WIDE AND (3) COVER
STITCH, NARROW
Cover stitch
right needle
thread
Underside
Chain stitch looper
thread
Cover stitch left needle
thread
Topside
(2) Cover Stitch, Wide and (3) Cover Stitch, Narrow
*
When the cover stitch looper thread is too loose :
- Turn the cover stitch looper thread tension fine
tuning lever (brown) toward a higher position.
* When the cover stitch left needle thread tension is
too loose :
- Turn the cover stitch left needle thread tension fine
tuning lever (orange) toward a higher position.
- Or, turn the cover stitch looper thread tension fine
tuning lever (brown) toward a lower position.
* When the cover stitch right needle thread tension
is too losse :
- Turn the cover stitch right needle thread tesion fine
tuning lever (blue or orange) toward a higher
position.
- Or, turn the cover stitch looper thread tension fine
tuning lever (brown) toward a lower position.
* When the top surface of fabric bulges between
needle threads and the seams on the underside
of the fabric becomes tight :
- Turn the cover stitch looper thread tension fine
tuning lever (brown) toward a lowerposition.
Polyester
Cover stitch
looper thread
Blue Green
Orange
Brown
Blue Green
Orange
Brown
(b) Cover Stitch, Narrow
(a) Cover Stitch, Wide
Needle Position
Seam Width Finger Knob
Stitch Length
Driving Clutch Position
N~4
C
Tension Dial ATD: H
Tension Dial ATD: H
Polyester
R
Cover stitch
looper thread
Wooly nylon
Wooly nylon