Singer Heavy Duty 4452 User Manual

50
Sew 4-step buttonholes
Prepare
Note:
Tips:
1. Take off the all purpose foot and attach the
buttonhole foot.
2. Measure diameter and thickness of button and add
0.3 cm (1/8") for bar tacks; mark buttonhole size on
fabric.
3. Place fabric under the foot, so that marking on the
buttonhole foot aligns with starting marking on fabric.
Lower the foot, so that the buttonhole center line
marked on the fabric aligns with the center of the
buttonhole foot.
Adjust the stitch length dial in the " " to set stitch
density.
density varies according to the fabric. Always
test sew a buttonhole.
Follow the 4-step sequence changing from one step to
another with the stitch pattern selector dial. Take care
not to sew too many stitches in stages 2 and 4. Use
seam ripper and cut buttonhole open from both ends
towards the middle.
- Slightly reducing upper thread tension will produce
better results.
- Use a backing for fine or stretchy fabrics.
- It is advisable to use heavy thread or cord for stretch
or knit fabrics.
- The zig-zag should sew over the heavy thread or cord.
(5)
GB
4
2
3
1
4
1
2 3
0
1
2
3
4
M
5
0
1
2
3
4
5
0
1
2
3
4
5

Singer Heavy Duty 4452 Specifications

General

Built-In Stitches	32
Stitch Width	6mm
Stitch Length	4mm
Presser Foot Lifter	Extra high
Drop Feed	Yes
Needle Threader	Automatic
Bobbin Type	Class 15 transparent
Motor	60% stronger motor
Type	Mechanical
Frame	Metal
Presser Feet	All-Purpose Foot, Zipper Foot, Buttonhole Foot, Button Sewing Foot
Warranty	25-year limited
Sewing Speed	1100 stitches per minute
Buttonhole Styles	1-Step
Included Accessories	Needles, Seam Ripper/Lint Brush, Screwdriver, Spool Pin Felt, Auxiliary Spool Pin
Weight	14.6 lbs
Dimensions	15.5 x 6.25 x 12 inches