Singer 14SH644 User Manual

21
13. HOW TO ADJUST THE STITCH
LENGTH
14. HOW TO ADJUST THE SEAM
WIDTH
• The stitch length dial should be set on the 3 mm
(1/8 inch) setting for most sewing conditions.
• Adjust the stitch length to 4mm (5/32 inch) when
sewing heavy weight fabrics.
• Adjust the stitch length to 2mm (5/64 inch) when
sewing light weight fabrics to obtain excellent seams
without puckering.
• Use of width adjustment knob will permit further
adjustment within the width range shown below.
a) When only left needle is used ..... 5.2 ~ 6.7 mm
(13/64 ~ 17/64 inch)
b) When only right needle is used ... 3.0 ~ 4.5 mm
(1/8 ~ 11/64 inch)
• Overedge seam width can be achieved by repositioning
the needle position and also with the width
adjustment knob.
• Overedge seam width can be adjusted by changing
the needle position.
a) When only left needle is used .............. 5.7 mm
(7/32 inch)
b) When only right needle is used ............ 3.5 mm
(9/64 inch)
Width Adjustment by Changing Needle Position
Width Adjustment with Adjustment Knob
5.7 mm
(7/32")
5.2 mm
(13/64")
6.7 mm
(17/64")
5.2 mm
(13/64")
6.7 mm
(17/64")
3.0 mm
(1/8")
4.5 mm
(11/64")
5.7 mm
(7/32")
3.5 mm
(9/64")
Left / Right
needie
Left / needie Right / needie
Left / Right
needie
Left / needie Right / needie

Singer 14SH644 Specifications

General

Type	Automatic sewing machine
Free arm	Yes
Sewing speed	1300
Stitch width	Variable
Product color	White
Automatic buttonhole	-
Sewing machine functions	Overlock
Power supply type	Electromechanical

Weight and Dimensions

Width	320 mm
Height	380 mm
Weight	7500 g