Singer Quantumlock 14T957DC Operation instructions

Table of Contents
Triple Cover Hem
Home Decorator Fabric with Buttonhole Twist page 1
Leather, Vinyl or Canvas with Buttonhole Twist page 2
Garment Hems for Knits page 3
Double Cover Hem
Garment Hems page 4
Attaching Trim to Sheer fabric page 5
Five-Thread Safety Stitch
Seams on Chenille page 6
Four-Thread Ultra-Stretch Mock Safety Stitch
Seams on Stretch Fabric page 7
Attaching Ribbing page 8
Differential Feed with Optional Shirring Foot page 9
Optional Taping Foot page 10
Optional Cording/Piping Foot page 11
Optional Elastic Foot page 12
Three-Thread Overlock (Wide)
Seams Finishes page 13
Decorative Flatlock page 14
Flatlock Fringe page 15
Flatlock Ladder Stitch page 16
Flatlock Ladder Stitch with Ribbon page 17
Flatlock Couching page 18
Three-Thread Overlock (Narrow)
Optional Bead/Sequin Foot page 19
Blindhem with Optional Blind Hem/Lace Foot page 20
Three-Thread Rolled Hem
Texturized-nylon Edge Finishes page 21
Custom Ribbon with Pearl/ Sequin Foot page 22
Pintucks page 23

Table of Contents
(page 2)
Two-Thread Rolled Hem
Lace Insertion with Optional Blind Hem/Lace foot page 24
Delicate Edge Finishes page 25
Three-Thread Ultra- Stretch Stitch
Seams on Active Wear page 26
Four-Thread Safety Stitch
Seam Construction page 27
Chainstitch
Decorative Chainstitch page 28
Tassels page 29
List of Optional Presser Feet page 30

Supply List
5 spools of overlock cone thread
Triple Cover Hem
(3) spools of butttonhole twist
(1) 5X5 inch piece of home decorator fabric
(1) 5X5 inch piece of leather, vinyl or canvas
(2) 3X5 inch pieces of stretch fabric
Double Cover Hem
(1) 5X5 inch piece of woven fabric
(1) 4X6 inch piece of sheer fabric
(1) 10 inch piece of 1/4”wide ribbon
Five-Thread Safety Stitch
(2) 3X5 inch pieces of chenille or terry cloth
Four-Thread Ultra-Stretch Mock Safety Stitch
(2) 3X5 inch pieces of stretch fabric
(1) 5X5 inch piece of fleece
(1) 2X5 inch piece of ribbing
(1) 3X5 inch piece of cotton
(1) 3X10 inch piece of cotton
(1) 10 inch piece of twill tape 1/4 wide
(2) 3X5 inch pieces of sweater knit
(1) 10 inch piece of cording
(2) 3X5 inch pieces of home decorator fabric
(1) 10 inch piece of elastic 1/4 wide
(1) 3X5 inch piece of tricot or lingerie type fabric
Three-Thread Overlock (Wide)
(2) 3X5 inch pieces of woven or linen fabric
(1) spool of texurized nylon
(1) 5X5 inch piece of denim, felt or woven fabric
(1) 4X5 inch piece of very loosely-woven wool
(1) 5X5 inch piece of denim, felt or woven fabric
(1) decorative thread which will fit through the needle’s eye
(1) 10 inch piece of ribbon, 1/4 wide
(1) 5x5 inch piece of denim, felt or woven fabric
(1) 10 inch piece of yarn

Supply List
(part II)
Three-Thread Overlock (Wide) continued
(1) 5X5 inch piece of denim, felt or woven fabric
Three-Thread Overlock (Narrow)
(1) 10 inch strand of pearls
(1) 3X6 inch piece of sheer fabric
(1) 5X5 inch piece of woven or linen fabric
(1) spool of monofilament thread
Three-Thread Rolled Hem
(1) 3X5 piece eyelet or batiste
(1) spool of texturized nylon
(1) 10 inch piece of fish line
(1) 3X10 piece of cotton fabric
(1) 5X10 piece of batiste
Two-Thread Rolled Hem
(2) 5 inch long pieces of 1 inch wide lace
(2) 3X3 inch pieces of batiste
(1) 3X10 inch piece of chiffon
(2) spools of monofilament thread
Three-Thread Ultra- Stretch Stitch
(1) 3X5 inch piece of spandex
Four-Thread Safety Stitch
(2) 3X5 pieces of canvas
Chainstitch
(2) spools of decorative thread
(2) 5X5 inch pieces of cotton
(1) 5X5 inch piece of batting
(1) 5X5 inch piece of cardboard

Right Cover Stitch
Needle (Orange)
6.0
Middle Cover Stitch
Needle (Blue)
7.0
Left Cover Stitch
Needle (Green)
7.5
Upper Looper
(Green)
Non-Working
Position
Lower Looper
(Red)
Not Threaded
Chain Stitch
Looper (Brown)
4.0
Upper Knife Non-Working
Position
Seam Guide Plate Installed
Seam Width Dial N
Differential Feed
Dial
N
Presser Foot
Pressure
N
Stitch Length Dial N
Stitch Finger R
Triple Cover Hem
This innovative stitch provides a very wide 5.6 mm professional and
creative triple topstitch to sewing projects. This is ideal for heavier
fabrics traditionally used in home decorating. It also adds a unique accent
for garment construction. The Singer Quantumlock CoverHem 14T957DC
sews 1300 stitches per minute, enabling the decorative Triple Cover Hem
stitch to be applied to projects quickly and easily.
Example: Triple topsitching hem and edge finishing on drapes.
Directions: Place topstitching thread in the right, middle and left cover stitch needles.
Place regular overlock thread in the chainstitch looper. Press a 1 inch hem into a woven
home decorator fabric. Sew using the seam guides to ensure a straight hem. The thread
tension releases when the presser foot is raised.
Needle set up:
1.
Left Cover Stitch
Needle (Orange)
6.0
Middle Cover Stitch
Needle (Blue)
7.0
Right Cover Stitch
Needle (Green)
7.5
Upper Looper
(Green)
Non-Working
Position
Lower Looper
(Red)
Not Threaded
Chain Stitch
Looper (Brown)
4.0
Upper Knife Non-Working
Position
Seam Guide Plate Installed
Seam Width Dial N
Differential Feed
Dial
N
Presser Foot
Pressure
N
Stitch Length Dial N
Stitch Finger R

Triple Cover Hem
The Triple Cover Hem makes a stunning and pronounced finish on Home
Decorating projects using fabrics such as leather, vinyl or canvas.
Example: Triple topstitching hem and an edge finish on a vinyl table cloth.
Directions: Place topstitching thread in the right, middle and left cover stitch needles.
Place regular overlock thread in the chainstitch looper. Move stitch length to 4 and the
foot pressure adjusting dial to 1. Press 1 inch hem on fabric and sew using the seam
guides to ensure a straight triple line of stitching.
Needle set up:
2.
Left Cover Stitch
Needle (Orange)
6.0
Middle Cover Stitch
Needle (Blue)
7.0
Right Cover Stitch
Needle (Green)
7.5
Upper Looper
(Green)
Non-Working
Position
Lower Looper
(Red)
Not Threaded
Chain Stitch
Looper (Brown)
4.0
Upper Knife Non-Working
Position
Seam Guide Plate Installed
Seam Width Dial N
Differential Feed
Dial
N
Presser Foot
Pressure
1
Stitch Length Dial 4
Stitch Finger N
Triple Cover Hem
The Triple Cover Hem makes a stunning and pronounced finish on Home
Decorating projects using fabrics such as leather, vinyl or canvas.
Example: Triple topstitching hem and an edge finish on a vinyl table cloth.
Directions: Place topstitching thread in the right, middle and left cover stitch needles.
Place regular overlock thread in the chainstitch looper. Move stitch length to 4 and the
foot pressure adjusting dial to 1. Press 1 inch hem on fabric and sew using the seam
guides to ensure a straight triple line of stitching.
Needle set up:
2.
Left Cover Stitch
Needle (Orange)
6.0
Middle Cover Stitch
Needle (Blue)
7.0
Right Cover Stitch
Needle (Green)
7.5
Upper Looper
(Green)
Non-Working
Position
Lower Looper
(Red)
Not Threaded
Chain Stitch
Looper (Brown)
4.0
Upper Knife Non-Working
Position
Seam Guide Plate Installed
Seam Width Dial N
Differential Feed
Dial
N
Presser Foot
Pressure
1
Stitch Length Dial 4
Stitch Finger R

Triple Cover Hem
In addition to sewing on woven fabrics, the Triple Cover Hem makes a
beautiful topstitch and a strong hem on stretch fabrics. This stitch
emulates hem finishing as seen on ready-to-wear garments.
Example: Triple topstitching hem and an edge finish on a knit dress.
Directions: Place regular overlock thread in the right, middle and left cover stitch
needles, as well as the chainstitch looper. Move stitch length to “N” and the foot
pressure adjusting dial to “N.” Press 1 inch hem into the knit fabric. Sew using the seam
guides to ensure a straight triple line of stitching.
Needle set up:
3.
Left Cover Stitch
Needle (Orange)
6.0
Middle Cover Stitch
Needle (Blue)
7.0
Right Cover Stitch
Needle (Green)
7.5
Upper Looper
(Green)
Non-Working
Position
Lower Looper
(Red)
Not Threaded
Chain Stitch
Looper (Brown)
4.0
Upper Knife Non-Working
Position
Seam Guide Plate Installed
Seam Width Dial N
Differential Feed
Dial
N
Presser Foot
Pressure
N
Stitch Length Dial N
Stitch Finger R

Double Cover Hem
This professional Cover Hem stitch is a necessary requirement for today’s
sewing. This stitch is often seen in ready-to-wear garments. With easy
access to the needle, it is simple to remove the center needle and convert
the stitch into a Double Cover Hem.
Example: Double topstitching hem and edge finish on a jacket.
Directions: Using the extra long small Allen screwdriver from the accessory kit, remove
the middle cover stitch needle and clip thread. Press a 1 inch hem into a woven fabric.
Sew using the seam guides to ensure a straight hem.
Needle Set up:
4.
Left Cover Stitch
Needle (Orange)
6.0
Middle Cover Stitch
Needle (Blue)
Not Threaded
Right Cover Stitch
Needle (Green)
7.5
Upper Looper
(Green)
Non-Working
Position
Lower Looper
(Red)
Not Threaded
Chain Stitch
Looper (Brown)
4.0
Upper Knife Non-Working
Position
Seam Guide Plate Installed
Seam Width Dial N
Differential Feed
Dial
N
Presser Foot
Pressure
N
Stitch Length Dial N
Stitch Finger R
The EXTRA LONG
Allen screwdriver makes
needle change easy

Double Cover Hem for Attaching Ribbon or Trim
The Double Cover Hem can be used to add a decorative accent to many
types of projects. By inserting ribbon or trim through the presser foot
opening, the Cover Hem can attach the trim to the fabric with either a 2.8
or 5.6mm wide stitch.
Example: Adding a ribbon and an edge finish hem to a sheer dress.
Directions: Place ribbon through the opening in the foot and pull excess to the back
under the foot. Press a 1 inch hem into the fabric. Sew the ribbon onto the fabric, using
the seam guides to ensure straight sewing.
Needle Set up:
5.
Right Cover Stitch
Needle (Orange)
6.0
Middle Cover Stitch
Needle (Blue)
Not Threaded
Left Cover Stitch
Needle (Green)
7.5
Upper Looper
(Green)
Non-Working
Position
Lower Looper
(Red)
Not Threaded
Chain Stitch
Looper (Brown)
4.0
Upper Knife Non-Working
Position
Seam Guide Plate Installed
Seam Width Dial N
Differential Feed
Dial
N
Presser Foot
Pressure
N
Stitch Length Dial N
Stitch Finger N
Double Cover Hem for Attaching Ribbon or Trim
The Double Cover Hem can be used to add a decorative accent to many
types of projects. By inserting ribbon or trim through the presser foot
opening, the Cover Hem can attach the trim to the fabric with either a 2.8
or 5.6mm wide stitch.
Example: Adding a ribbon and an edge finish hem to a sheer dress.
Directions: Place ribbon through the opening in the foot and pull excess to the back
under the foot. Press a 1 inch hem into the fabric. Sew the ribbon onto the fabric, using
the seam guides to ensure straight sewing.
Needle Set up:
5.
Right Cover Stitch
Needle (Orange)
6.0
Middle Cover Stitch
Needle (Blue)
Not Threaded
Left Cover Stitch
Needle (Green)
7.5
Upper Looper
(Green)
Non-Working
Position
Lower Looper
(Red)
Not Threaded
Chain Stitch
Looper (Brown)
4.0
Upper Knife Non-Working
Position
Seam Guide Plate Installed
Seam Width Dial N
Differential Feed
Dial
N
Presser Foot
Pressure
N
Stitch Length Dial N
Stitch Finger R