Winding the Bobbin

1

2

 

 

Pass the thread through the hole

Pull up on the thread spool pin to lengthen the height. Place the thread spool on the pin

on the bobbin from inside. Use

upper hole, not both. Place on

and pass the thread around the bobbin winder pre-tension disc.

bobbin shaft and slide to the right.

 

 

3

4

CAUTION

Not winding the bobbin properly may cause the thread tension to loosen, and may break the needle.

While holding the end of the thread,

When the bobbin starts to spin

 

1 Wound evenly

press the foot controller to begin

slowly and becomes full, release

 

winding the thread. Cut the thread

the foot controller. Cut the thread,

1

2 Wound poorly

from the top and proceed winding.

slide the bobbin winding shaft to

2

 

the left and remove the bobbin.

 

 

Inserting the Bobbin

 

1

3

4

 

Threading the Needle

1

Raise the presser foot lifter.

2

3

4

Raise the thread take-up lever to

Place the thread spool on the

Pass the thread through the thread guide and down the

its highest position by turning the

spool pin.

right channel on the front of the machine.

handwheel.

(Don’t forget to pull up the pin)

 

 

 

 

 

 

 

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pass the thread into the thread tension discs or behind the

Grasp the thread on both sides of the tension disc and pull to

thread tension dial from the right to the left.

ensure it is in place.

Raise the needle to its highest position and remove the bobbin case by pulling the latch.

2

Hold the bobbin case as shown. Insert the bobbin with the thread coming from the bottom toward the top and the thread tail hanging out of the bobbin case.

Pull the trailing thread through the slot, down and to the left, until it enters the delivery eye under the tension spring. CAUTION: Make sure you set the bobbin so the thread unrolls in the right direction. If the thread unrolls in the wrong direction, it may cause the thread tension to be incorrect or break the needle.

Holding the bobbin case by the latch, align your finger with the top opening of the shuttle race, insert the case into the shuttle race and release the latch.

7

8

Guide the thread up the left channel, clear to the back of the opening around

Thread the needle from front to back and pull

the take-up lever and back down the left side of the channel to thread the

out about 2” of thread.

take-up lever.

 

Cleaning the Bobbin Case

1

Relative Chart of Sewing Fabrics, Needles and Thread Combinations

 

Sewing Fabrics

Needle Sizes

Thread Sizes

Very Thin

Fine tricot, Fine lace, Thin linen,

#65/9

Cotton: 80

 

Silk, Organza, Chiffon

 

Synthetic/Polyester Long Fiber

 

 

 

Fine Mercerized Cotton

 

 

 

 

Lightweight

Voile, Taffeta, Synthetics, Silk,

#75/11

Cotton: 60-80

 

Batiste

 

Silk: “A”

 

 

 

Synthetic/Polyester Long Fiber

 

 

 

Mercerized 50

23

Raise the needle to its highest position,

Slide the latch levers out from the

pull the latch and remove the bobbin

retaining ring.

case.

 

Remove the power plug from the outlet.

4

Remove the retaining ring.

Medium Weight

Cotton, Gingham, Poplin,

#90/14

Cotton: 50-60

 

Percale, Pique, Satin, Velvet,

(Supplied with

Silk: “A”

 

Lightweight wool, Fine

your machine)

Synthetic/Polyester Long Fiber

 

corduroy, Suitings, Linen,

 

Mercerized 50-60

 

Muslin

 

 

 

 

 

 

Heavyweight

Denim, Gabardine, Tweed,

#100/16

Cotton: 40-50

 

Corduroy, Canvas, Duck

 

Mercerized Heavy Duty

 

 

 

Polyester Long Fiber

 

 

 

 

Knits

Single knit, Double knit, Jersey,

#90/14

Cotton Wrapped Polyester

 

Tricot

(Ball point)

Polyester Long Fiber

 

 

Uses common replacement accessories:

 

Bobbin:

Class 15

 

 

Needle:

Standard sewing machine needles

 

5

6

7

Remove the hook by grasping the center

Remove any accumulated lint and

Grasp the center post of the hook, match

post and pulling out. Note its position

thread with a brush.

the hook position opposite the driver and

related to the driver.

 

 

 

 

 

 

 

 

insert.

8

 

 

 

 

 

9

 

 

 

 

 

 

 

 

Insert the retaining ring with the notch

Push the latch levers into their locked

up.

position. Replace the bobbin case.

Light Bulb:

Small screw base sewing machine bulb

Utiliza accesorios comunes de remplazo:

Carretel:

Clase 15

Agujas:

Agujas estándares para máquina de coser.

Bombilla:

Para máquina de coser con base roscada pequeña

Toll Free Phone 877-276-8437

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Brother LX-3125 instruction manual Sewing Fabrics Needle Sizes