OMEGA 7142 Sewing Machine Instruction Manual

Another quality product
Model 7142
Instruction Manual

IMPORTENT SAFETY INSTRUCTIONS

When using an electrical appliance, basic safety precautions should always be followed, including the following:
Read all instructions before using this sewing machine.

DANGER – To reduce the risk of electric shock:

1. An appliance should never be left unattended when plugged in.
2. Always unplug this appliance from the electric outlet immediately after using and before cleaning.
3. Always unplug before re-lamping. Replace bulb with same type rated 10 watts (110- 120V area) or 15 watts (220-240V area).

WARNING .- To reduce the risk of burns, fire, electric shock, or injury to persons:

1. Do not allow to be used as a toy. Close attention is necessary when this appliance is used by or near children.

2. Use this appliance only for its intended use as described in this manual. Use only attachments recommended by the manufacturer as contained in this manual.

3. Never operate this appliance if it has a damaged cord or plug, if it is not working properly, if it has been dropped or damaged, or dropped into water.
   Return the appliance to the nearest authorized dealer or service center for examination, repair, electrical or mechanical adjustment.

4. Never operate the appliance with any air openings blocked. Keep ventilation openings of the sewing machine and foot controller free from accumulation of lint, dust, and loose cloth.

5. Keep fingers away from all moving parts. Special care is required around the sewing machine needle.

6. Always use the proper needle plate. The wrong plate can cause the needle to break.

7. Do not use bent needles.

8. Do not pull or push fabric while stitching. It may deflect the needle causing it to break.

9. Switch the sewing machine off (“O”) when making any adjustments in the needle area, such as threading needle, changing needle, threading bobbin, or changing presser foot, and the like.

10. Always unplug sewing machine from the electrical outlet when removing covers, lubricating, or when making any other user servicing adjustments mentioned in the instruction manual.

11. Never drop or insert any object into any opening.

12. Do not use outdoors.

13. Do not operate where aerosol spray products are being used or where oxygen is being administered.

14. To disconnect, turn all controls to the off (“O”) position, then remove plug from outlet.

15. Do not unplug by pulling on cord. To unplug, grasp the plug, not the cord.

SAVE THESE INSTRUCTIONS
This sewing machine is intended for household use only.
Rev. 03/03A

Congratulations

As the owner of a new OMEGA sewing machine, you will enjoy precision quality stitching on all types of fabrics, from multiple layers of denim to delicate silks.
Your OMEGA sewing machine offers the ultimate in simplicity and ease of operation. For your safety and to fully enjoy the many advantages and ease of operation of your sewing machine, we recommend that you read all the important safeguards and use and care instructions in this instruction book.
May we suggest that before you start to use your sewing machine, you discover the many features and advantages by going through this instruction book, step by step, while seated at your sewing machine.

Principal parts

1. Thread tension dial
2. Presser foot pressure
3. Thread take-up lever
4. Thread cutter
5. Presser foot
6. Needle plate
7. Sewing table and accessory box
8. Stitch width dial
9. Stitch length dial
10. Bobbin stopper
11. Stitch display
12. Magnet
13. Reverse sewing lever
14. Drop feed control
15. One step buttonhole lever
16. Handle
17. Bobbin winder
18. Spool pin
19. Handwheel
20. Pattern selector dial
21. Power switch
22. Main plug socket
23. Bobbin thread guide
24. Upper thread guide
25. Presser foot lever
26. Buttonhole stitch balance adjustment slot

Accessories

Standard accessories
a. All purpose foot
b. Zipper foot
c. Button sewing foot
d. Buttonhole foot
e. L-screwdriver
f. Seam ripper/ brush
g. Oil bottle
h. Pack of needles (3x)
i. Bobbin (3x)
j. Seam guide
k. Spool pin felt (2x)
l. Satin stitch foot
m.Overcasting foot
n. Hemmer foot
o. Blind hem foot
p. Cording foot
q. Darning/ Embroidery foot
r. Quilting foot
s. Gathering foot
t. Twin needle
u. Hard case

Fitting the snap-in sewing table

Hold the snap-in sewing table horizontal, and push it in the direction of the arrow. (1)
The inside of the snap-in sewing table can be utilized as an accessory box.
To open, lift up at the point of the arrow. (2)

Connecting machine to power source

Caution:
Always make sure that the machine is unplugged from power Source and the main switch is on “O”. when the machine is not in use and before inserting or removing parts.

• This machine is equipped with a polarized plug which must be used with an appropriate electrical outlet.
• Connect the machine to a power source as illustrated (1).
• The power switch is located above the terminal box. Your machine will not operate unless this switch is on “1”. (1)
• Sewing light turns on automatically when the main switch is on”|”.
• To start the machine, press on the foot control (2). The speed of the machine is regulated by the amount of pressure exerted on the foot control.

Attention:
Consult a qualified electrician if in doubt as to connect machine to power source. Unplug power cord when machine is not in use.
The appliance must be used with the foot controller 4C-316B (110-120V area)/ 4C-326G (230V area)/ 4C-316C or 4C- 326C (220-240V area) manufactured by MATSUSHITA ELECTRIC (TAIWAN) CO., LTD.

IMPORTANT NOTICE
For appliance with a polarized plug (one blade is wider than the other). To reduce the risk of electric shock, this plug is intended to fit in a polarized outlet only one way. If it does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified  electrician to install the proper outlet. Do not modify the plug in any way. (3)
a. Polarized attachment plug
b. Conductor intended to be grounded

Changing the bulb

Caution:
Make sure to disconnect the electrical supply plug from wall outlet before changing light bulb.

• Loosen screw (A) as illustrated. (1)
• Remove the cover (B).
• Unscrew the bulb and fit new one (C). (2)
• Replace the cover and tighten screw.

Two-step presser foot lever

When sewing several layers or thick fabrics, the presser foot can be raised a second stage for easy positioning of the work. (A)

Adjusting the presser foot pressure

The presser foot pressure of the machine has been pre-set and requires no particular readjustment according to the type of fabric (light-or-heavy weight).
However, if you need to adjust the presser foot pressure, turn the presser adjusting screw with a coin.
For sewing very thin fabric, loosen the pressure by turning the screw counter clockwise, and for heavy fabric, tighten by turning it clockwise.

Attaching the presser foot holder

Attention:
Turn power switch to “O” before carrying out any of the operations below.
Raise the needle to its highest position and raise the presser foot lever. Attach the presser foot holder (b) to the presser foot bar (a). (1)

Attaching the presser foot:
Lower the presser foot holder (b) until the cut-out (c) is directly above the pin (qd). (2)
Lower the presser foot holder (b) and the presser foot (f) will engage automatically.

Removing the presser foot:
Raise the presser foot.
Release the pressure foot by raising lever (e) located at the back of the foot holder. (3)

Attaching the seam guide:
Attach the seam guide (g) in the slot as illustrated. Adjust the distance as required for hems, pleats, etc…. (4)

Winding the bobbin

Place an empty bobbin on the bobbin winder spindle.
Take the thread from the spool through the bobbin winder tension disc. (1)
Wind the thread a few times by hand around the empty bobbin in a clockwise direction. Push the bobbin to the right towards the bobbin winding position. (2)
Press the foot control gently. The bobbin will stop winding when it is full. Push the bobbin to the left to “sewing position” and remove it.

Please Note:
When the bobbin winder spindle is in “bobbin winding” position, the machine will not sew and the hand wheel will not turn. To start sewing, push the bobbin winder spindle to the left (sewing position).

a. Spool pin felt

Inserting bobbin

Attention:
Turn power switch to “O” before inserting or removing the bobbin.
When inserting or removing the bobbin, the needle must be fully raised.

• Open the hinged cover. (1)
• Hold the bobbin case with one hand. Insert the bobbin so that the thread runs in a clockwise direction (arrow). (2)
• Pull the thread through the slot, down and to the left until it enters the delivery eyelet (rectangular opening) under the tension spring. (3)
• Hold the bobbin case by the hinged latch. (4)
• Insert the bobbin case fully into the shuttle race and release the latch. Make sure that the metal finger fits into the notch at the top of the race cover. (5)

Changing the needle (System 130/705H)

Caution:
Turn power switch to “O” before inserting or removing the needle.
Replace the needle at the first sign of thread breakage or skipped stitches. Select the correct type and size of needle for the fabric to be sewn. Turn the balance wheel towards you until the needle is at highest position. Loosen the needle clamp screw (A) and tighten again after inserting the new needle. (1)
The flat side of the needle shaft should be facing away from you (B).
Push the needle up (C) into the needle clamp as far as it will go (D).
Tighten the needle clamp screw firmly.
The sewing needle must always be straight and sharp for smooth sewing. Replace the needle (2) if it is bent (A), blunt (B) or the point is damaged (C).

Threading the upper thread

Caution:
Before threading, turn power switch to “O”
Raise the needle bar to its highest position. Follow exactly the numbered threading sequence illustrated below.
If you skip a step or fail to properly engage the thread in any of the thread guides, the machine will not sew properly. (1-5)
Continue to draw the thread down and into the needle bar thread guide. Insert the thread through the eye of the needle from front to back. Leave about 10 cm (4″) of thread loose behind the needle. (6)
a. Spool pin felt

Thread tension

Note:
The bobbin thread tension has been adjusted at the factory and readjustment is usually not required.

Lower thread tension
To test the bobbin thread tension, remove the bobbin case and bobbin from the machine and hold the bobbin case suspended by the thread. Shake it once or twice. If the tension is correct, the thread will unwind by about an inch or two. If the tension is too tight, it will not unwind. If the tension is too loose, the thread will unwind for more than two inches.
To adjust, turn the small screw on the side of the bobbin case. (1)

Upper thread tension
Basic thread tension setting: “4”. (2)
To increase the tension, turn the dial up to a higher number.
To reduce the tension, turn the dial to a lower number.
A. Normal thread tension.
B. Thread tension too loose.
C. Thread tension too tight.

Bringing up the lower thread

Hold the upper thread with the left hand. Turn the handwheel towards you with your right hand until the needle goes down and comes up again to its highest position. (1)

• Lightly draw the needle thread forming a loop with the bobbin thread. The upper thread should have caught the lower thread in a loop.
• Pull the needle thread toward you and the lower thread will come up from the bobbin in a large loop. (2)
  Pull about 15 cm. (6″) of both thread away from you under the presser foot.

Reverse sewing

Reverse sewing is used for locking the end of seams and where reinforcement is needed. At the end of seam, press down the reverse sewing lever and touch the foot control lightly. Sew a few reverse stitches. Release the lever and the machine will sew forwards again (A/1).

Changing sewing directions

1. Stop the machine at the point where you wish to change directions with the needle still in the fabric.
2. Raise the presser foot and turn the fabric to line up its new direction using the needle as a turning point. (2)
3. Lower the presser foot and start sewing in the new direction.

Removing the work

Turn the handwheel towards you to bring the thread take up lever to its highest position. Raise the presser foot and draw the fabric away from you.

Cutting the thread

Hold the threads behind the presser foot. Using both hands, guide them to the slit at the rear of the presser bar and press down to cut the thread. You can also use the thread cutter (A)
on the side of the machine.

How to drop feed dog

For ordinary sewing, keep the feed dog up, for freehand embroidery, sewing on buttons and darning, drop the feed dog.

To raise (a) and lower (b) feed dog.
To raise the feed dog, push the lever to the left and turn the handle wheel towards you once or twice or sew a stitch.

Matching needle / fabric / thread

NEEDLE, FABRIC, THREAD SELECTION GUIDE

Qiana, interlocks, cotton knits, tricots, jerseys, crepes, woven polyester, shirt & blouse fabrics.| Light-duty thread in cotton, nylon or polyester.
12(80)| Medium weight fabrics-cotton, satin, kettleclote,
sailcloth, double knits, lightweight woollens.| Most threads sold are medium size and suitable for these fabrics and needle sizes. Use polyester threads on synthetic materials and cresol natural woven fabrics for best results. Always use the same thread on top and bottom.
14(90)| Medium weight fabrics-cotton duck, woolen, heavier knits, terrycloth, denims.
16(100)| Heavyweight fabrics-canvas, woolens, outdoor tent
and quilted fabrics, denims, upholstery material (light to medium).
18(110)| Heavy woollens, overcoat fabrics upholstery fabrics, some leathers and vinyls.| Heavy duty thread, carpet thread. (Use heavy foot pressure-large numbers.)

IMPORTANT: Match needle size to thread size and weight of fabric

NEEDLE, FABRIC SELECTION

HAx 1
15x 1| Standard sharp needles. Sizes range thin to large. 9 (65) to 18 (110)| Natural woven fabrics-wool, cotton, silk, etc. Qiana. Not recommended for double knits.
15x 1/705H
(SIN)| Semi-ball point needle, scarfed. 9 (65) to 18 (110)| Natural and synthetic woven fabrics polyester blends.
Knits-polyesters, interlocks, tricot, single and double knits. Can be used instead of 15x 1 for sewing all
15x 1/705HS
(SUK)| Full ball point needle 9 (65) to 18 (110)| Sweater knits, Lycra, swimsuit fabric, elastic.
130 PCL| Leather needles. 12 (80) to 18 (110)| Leather, vinyl, upholstery. (Leaves smaller hole than standard large needle.)

Note:

1. Twin needles, can be purchased for utility and decorative work.
2. When sewing with twin needles, the stitch width dial should be set at less than “2.5”.
3. European needles show sizes 65, 70, 80 etc. American and Japanese needles show size 9, 11, 12 etc.
4. Replace needle often (approximately every other garment ) and / or at first thread breakage or skipped stitches.

How to choose your pattern

For straight stitch select pattern “A” with pattern selector dial (4). Adjust the stitch length with the stitch length dial (2). You may choose any needle position, by turning the stitch width dial (1).
For zigzag stitch, select pattern “B” with pattern selector dial (4). Adjust the stitch length (2) and stitch width (1) according to the fabric being used.
To obtain any of the other patterns shown in the upper row on the stitch selection panel, select the letter above the stitch with the pattern selector dial. Adjust the stitch length and the stitch width with the control dials according to the result desired.
To obtain any of the patterns on the second row, turn the stitch length dial to “S”, select the pattern desired with pattern selector dial, and adjust the stitch width with the stitch width dial.

1. Stitch width dial
2. Stitch length dial
3. Stitch display
4. Pattern selector dial
5. Reverse sewing lever

Straight stitching and needle position

Turn the pattern selector dial so that the stitch display shows the straight stitch position.
Generally speaking, the thicker the fabric, thread and needle, the longer the stitch should be.
Choose your needle position, from center position to left needle position by changing the stitch width dial (1) from “0” to “5B”

1. Stitch width dial
2. Stitch length dial
3. Stitch display
4. Pattern selector dial
5. Reverse sewing lever

Zig zag sewing

Turn the pattern selector dial to “B”.

Function of stitch width dial
The maximum zigzag stitch width for zigzag stitching is “5”; however, the width can be reduced on any pattern. The width increases as you move zigzag dial from “0” – “5”. For twin needle sewing, never set the width wider than “2.5”. (1)

Function of stitch length dial while zigzaging
The density of zigzag stitches increase as the setting of stitch length dial approaches “0”. Neat zigzag stitches are usually achieved at “2.5” or below. (2)

Satin stitch
When the stitch length is set between “0” – “1”, the stitches are very close together producing the “satin stitch” which is used for making buttonholes and decorative stitches.

Sewing thin fabrics:
When sewing very thin fabrics, it is suggested that you use interfacing on the backside of the fabric.

Blind hem/ lingerie stitch

For hems, curtains, trousers, skirts, etc.
Blind hem/ lingerie for firm fabrics. Position “C” on selection dial.
Blind hem for stretch fabrics. Position “D” on selection dial.

Set the machine as illustrated.

Note:
It takes practice to sew blind hems. Always make a sewing test first.
Fold the fabric as illustrated with the wrong side uppermost. (1) Place the fabric under the foot. Turn the handwheel forwards by hand until the needle swings fully to the left. It should just pierce the fold of the fabric. If it does not, adjust the stitch width accordingly. (2) Adjust the guide (3) by turning the knob (4) so that the guide just rests against the fold. Sew slowly, by pressing the foot control lightly guiding the fabric along the edge of the guide.
a. Stitch width
b. Stitch length
c. Presser foot
d. Stitch pattern

Overlock stitches

Seams, neatening, visible hems.
Turn the stitch length dial to “S”.
The stitch width can be adjusted to suit the fabric.

Double overlock stitch:
For fine knits, handknits, seams. (a)

Standard overlock:
For fine knits, jerseys, neck edges, ribbing. (b)

Stretch overlock:
For fine knits, jerseys, neck edges, ribbing. (c)
All overlock stitches are suitable for sewing and neatening edges and visible seams in one operation.
When neatening, the needle should just go over the edge of the fabric.
Attention:
Use new needles or ball point needles or stretch needle!

Sewing on buttons

Move the drop feed control to right side to lower the feed dogs. (1)
Change presser foot to button sewing foot.
Position the work under the foot. Place the button in the desired position, lower the foot. Set the pattern selector knob on zig zag stitch ” $ “. Adjust the stitch width to “3” – “5” according to the distance between the two holes of the button. Turn the handwheel to check that the needle goes cleanly into the left and right holes of the button. Set the pattern selector knob on straight stitch “1”, and sew a few securing stitches. Set the pattern selector knob on zig zag stitch “3”, and slowly sew on the button with about 10 stitches.
Set the pattern selector knob on straight stitch “1”, and sew a few securing stitches. (2)
If a shank is required, place a darning needle on top of the button and sew. (3) For buttons with 4 holes, sew through the front two holes first (2), push work forward and then sew through the back two holes. (3)

How to sew buttonholes

Buttonhole sewing is a simple process that provides reliable results.
However, it is strongly suggested to always make a practice buttonhole on a sample of your fabric and interfacing.

Making a Buttonhole

1. Using tailor’s chalk, mark the position of the buttonhole on the fabric.

2. Attach the buttonhole foot and set the pattern selector dial to” “.
   Set stitch length dial to “ “. Adjust stitch width to desired width.

3. Lower the presser foot aligning the marks on foot with the marks on the fabric (A). (The front bar tack will be sewn first.)

4. Open the button plate and insert the button (B).

5. Lower the buttonhole lever and gently push it back (C).

6. While lightly holding the upper thread, start the machine.

7. Buttonhole stitching is done in the order (D).

8. Stop the machine when the buttonhole is sewn.

Making a Buttonhole on Stretch Fabrics (E)
When sewing buttonholes on stretch fabric, hook heavy thread or cord under the buttonhole foot. When the buttonhole is sewn the legs will overcast the cord.

1. Mark the position of the buttonhole on the fabric with the tailor’s chalk, attach the buttonhole foot, and set the pattern selector dial to” “. Set stitch length dial to ” “.
2. Hook the heavy thread onto the back end of the buttonhole foot, then bring the two heavy thread ends to the front of the foot, insert them into the grooves and temporarily tie them there.
3. Lower the presser foot and start sewing.

• Set the stitch width to match the diameter of the gimp thread. 4. Once sewing is completed, gently pull the heavy thread to remove any slack, then trim off the excess.

Left and right side balance for buttonhole

Stitch density on right and left sides of buttonhole can be adjusted by buttonhole balance control dial.
This dial should usually be in a neutral position. (between “+” and “—”)
If the stitches on the left side of the buttonhole are too close together, turn the dial to the left (+).

• Turning dial to the left opens left side.

If the stitches on the left side of the buttonhole are too open, turn the dial to the right (-).

• Turning dial to the right closes left side.
  The stitch on the right side of the buttonhole is set using the stitch length dial.

Zippers and piping

Set the machine as illustrated. Dial selector on “A”.
Set stitch length control between “1” – “4” (according to thickness of fabric).
The zipper foot can be inserted right or left, depending on which side of the foot you are going to sew. (1)
To sew past the zipper pull, lower the needle into the fabric, raise the presser foot and push the zipper pull behind the presser foot. Lower the foot and continue to sew.
It is also possible to sew in a length of cord, into a bias strip to form a ‘welt’. (2)

Sewing with the hemmer foot

For hems in fine or sheer fabrics.
Set the machine as illustrated. Pattern selector on “A”.
Neaten the edge of the fabric. At the beginning of the hem, turn under the edge twice by about 3 mm (1/8″) and sew 4-5 stitches to secure. Pull the thread slightly towards the back.
Insert the needle into the fabric, raise the presser foot and guide the fold into the scroll on the foot. (1)
Gently pull the fabric edge towards you and lower the presser foot. Begin sewing, guiding the fabric into the scroll by holding it upright and slightly to the left. (2)

3-step zig-zag

Sewing on lace and elastic, darning, mending, reinforcing edges.
Set the machine as illustrated. Pattern selector on “E”.
Place patch in position. The stitch length can be shortened to produce very close stitches. (1)
When mending tears, it is advisable to use a piece of backing fabric to reinforce. The stitch density can be varied by adjusting the stitch length.
First sew over the center and then overlap on both sides. Depending on the type of fabric and damage, sew between 3 and 5 rows. (2)

Sewing elastic

1. Place the elastic on the fabric.
2. As you sew, stretch the elastic both in the front and behind the presser foot as shown in fig. (8).

Joining fabric
The elastic stitch can be used to join two pieces of fabric together and is very effective when sewing knitted fabrics. If nylon thread is used, the Stitch will not be visible.

1. Place the edges of the two pieces of fabric together and center them under the presser foot.
2. Sew them together using the elastic stitch taking care to keep the two fabric edges close together as shown in fig. (4).

Stitch selection

Triple straight stitch: (1)
Pattern selector on “A”.
For hardwearing seams.
Turn the stitch length dial to “S”.
The machine sews two stitches forwards and one stitch backwards. This gives triple reinforcement.

Triple zig-zag: (2)
Pattern selector on “B”.
For hardwearing seams, hems and decorative seams.
Turn the stitch length dial to “S”.
Adjust the stitch width dial to between “3” and “5”.
Triple zig-zag is suitable for firm fabrics like denim, corduroy, etc.

Smocking stitch

Seams, hems, T-shirts, underwear, etc.
Set the machine as illustrated.
This stitch can be used for all types of jersey as well as for woven fabrics. (1)
Sew at 1 cm (1/4″) from the fabric edge and trim the surplus fabric. (2)
Pattern selector on “E”.
Turn the stitch length dial to “S”.

Sewing with the cording foot

Decorative effects, cushions, tablecloths, etc.
Set the machine as illustrated. Various stitches are suitable for sewing on cord, e.g. Zig-zag, Triple zig-zag, decorative stitches.
Insert the cord between the spring covering the cord groove and the foot. The cord should run in the groove. One, two or three cords can be sewn on. The stitch width is adjusted according to the number of cords and the stitch selected. (1/2)

Free motion darning

Set the machine as illustrated. Move the drop feed control to right side to lower the feed dogs. (1)
Remove the presser foot clamp. (2)
Attach the darning foot to the presser foot bar. The lever (A) should be behind the needle clamp screw (B).
Press the darning foot on firmly from behind with your index finger and tighten the screw (C). (3)
First sew round the edge of the hole (to secure the threads). (4) First row: Always work from left to right. Turn work by 1/4 and oversew.
A darning ring is recommended for easier sewing and better results.

Practical stitches

Set the machine as illustrated.
Turn the stitch width dial and stitch length dial to suit the fabric.

Bridging (1)
Pattern selector on “F”.
For seams, place mats, tablecloths.
Decorative joining seam for a fagotted effect. Gathering with cord or shirring elastic.

Rampart (2)
Pattern selector on “G”.
For flat joining seams, sewing on elastic, visible hems.
This stitch can be used for firm, thicker fabrics.

Shell hem (3)
Pattern selector on “M”.
For decorative edges.
Suitable for edges on sheer, fine and stretch fabrics. The larger stitch should go just over the edge of the fabric to create the shell effect.

• This stitch requires a tighter thread tension than normal.
• Place the fabric under the presser foot so that it will be sewn along the bias with the straight stitches sewn on the seamline and the zigzag stitches sewn slightly over the folded edge.
• Sew at a slow speed.

Darning

• Turn stitch length dial to the desired length.
• Turn stitch selector to straight stitch, center needle position.
• Position the fabric to be darned under the presser foot together with the under laying fabric to be used.
• Lower the presser foot and alternately sew forward or reverse using the lever.
• Repeat this motion until the area to be darned is filled with rows of stitching.

For reverse sewing instructions, see page 17.

Attaching lace

• Turn stitch length dial to the desired length.
• Turn the stitch selector to straight stitch, center needle position.
• Fold in the edge of the fabric (approximately 6 mm 1/4″).
• Place the lace under the folded edge of the fabric allowing it to under lap the fabric slightly as required by the pattern of the lace.
• Sew on the edge of the fabric fold.
• You can add a decorative touch by using the satin stitch to sew the lace.

Applique

• Turn stitch length dial to the desired length.
• Turn pattern selector dial to zig zag.
• Select a narrow zig zag width.
• Cut out the applique design and baste it to the fabric.
• Sew slowly around the edge of the design.
• Trim excess material outside the stitching. Make sure not to cut any stitches.
• Remove the basting thread.
• Tie top and bottom thread under the applique to avoid unraveling.

Twin needle

• Turn stitch length dial to the desired stitch length.
• Turn stitch selector to straight stitch, center needle position, width setting “O”.
• Make sure that the two threads used to thread the twin needle are of the same weight. You can use one or two colors.
• Insert the twin needle in the same way as single needle. Flat side of needle should face away from you.
• Follow instructions for single needle threading. Thread each needle separately.

Please note:
When sewing with twin needle, always proceed slowly, and make sure to maintain a low speed to insure quality Stitching.
When using twin needle on zig-zag make sure the stitch width dial is set between “0” and “2.5”. Do not use twin needle at setting above “2.5”.

Monogramming and embroidering with embroidery hoop*

• Set the machine as illustrated.
• Remove the presser foot and the presser foot holder.
• Move the drop feed control to right side to lower the feed dogs. (1)
• Lower presser foot lever before starting to sew.
• Adjust the stitch width according to the size of lettering or design.

**Preparation for Monogramming and Embroidering***

• Draw the desired lettering or design on the right side of the fabric.
• Stretch the fabric between embroidery hoop as firmly as possible.
• Place the fabric under the needle. Make sure the presser foot bar is down in its lowest position.
• Turn the balance wheel towards you to bring up the lower thread through the fabric. Sew a few securing stitches at the starting point.
• Hold the hoop with thumb and forefingers of both hands while pressing the material with the middle and third fingers and supporting the outside of hoop with smaller finger.
• Embroidery hoop not included with machine.

Quilting

Set pattern selector as illustrated.
Insert the quilting guide in presser foot holder and set the space as you desired.
Move the fabric over and sew successive rows with the guide riding along on the previous row of stitching.

Note:
Presser foot shown is the optional quilting foot which does not come with your machine. If you have not purchased this foot substitute the all purpose foot.

Gathering

Set the pattern selector as illustrated.

1. Attach the gathering foot.
2. Sew a Single row or multiple rows of straight stitches.
3. If more gathering is required, loosen the upper thread tension to below 2 so that the lower thread lies on the under side of the material.
4. Pull the lower thread to gather more of the material.

Note:
Presser foot shown is the optional gathering foot which does not come with your machine. If you have not purchased this foot substitute the all purpose foot and gather fabric by hand by lowering the tension setting to below 2 and pulling the lower thread to gather the material.

Scallop stitching

This machine automatically produces a scallop stitch which may be used as decorative edging.

• Set the pattern selector at “K”.
• Sew the scallop stitch along the edge of the material. (1)
• If desired, trim around the scallop with scissors to create a scalloped edge. Be careful not to cut the thread. (2)

Patch work

These stitches are used to join two pieces of fabric while leaving a space between their edges.

1. Fold over the edges of the two pieces of fabric for the hem and baste the edges to a thin piece of paper leaving a small space between them.

2. Set the Pattern selector on “G”.
   Turn the stitch length dial to “S”.

3. Stitch along the edge, pulling both threads slightly when beginning to sew.

• Use thicker than normal threads for sewing. 4. After sewing, remove the basting and the paper. Finish by tying knots on the reverse side at the beginning and the end of the seams.

Maintenance

Caution:
Always make sure that the machine is unplugged from power source and the main switch is on “O” before inserting or removing any parts and before cleaning.

Remove the stitch plate:
Turn the handwheel until the needle is fully raised. Open the hinged front cover and unscrew the needle plate screw with the screw driver. (1)

Cleaning the feed dog:
Remove the bobbin case and use the brush supplied to clean the whole area. (2)

Cleaning and lubricating the hook:
Remove the bobbin case. Snap the two hook retaining arms (a) outwards. Remove the hook race cover (b) and the hook  (c) and clean with a soft cloth. Lubricate at the points (d) (1-2 drops) with sewing machine oil. Turn the handwheel until the hook race (e) is in the left position. Replace the hook (c). Replace the hook race cover and snap back the two hook retaining arms. Insert he bobbin case and bobbin and replace the stitch plate.

Important: Fabric fluff and threads must be removed regularly. Your machine should be serviced at regular intervals at one of our service agencies.

Trouble shooting guide

2. The thread tension is too tight
3. The thread is too thick for the needle
4. The needle is not inserted correctly
5. The thread is round wound the spool holder pin
6. The needle is damaged| 1. Rethread the machine
2. Reduce the thread tension (lower number)
3. Select a larger needle
4. Remove and reinsert the needle (flat side towards the back)
5. Remove the reel and wind thread onto reel
6. Replace the needle
Lower thread breaks| 1. The bobbin case is not inserted correctly
2. The bobbin case is threaded wrongly
3. The lower thread tension is too tight| 1. Remove and reinsert the bobbin case and pull on the thread. The thread should pull easily
2. Check both bobbin and bobbin case
3. Loosen lower thread tension as described
Skipped stitches| 1. The needle is not inserted correctly
2. The needle is damaged
3. The wrong size needle has been used
4. The foot is not attached correctly| 1. Remove and reinsert needle (flat side towards the back)
2. Insert a new needle
3. Choose a needle to suit the thread and fabric
4. Check and attach correctly
Needle breaks| 1. The needle is damaged
2. The needle is not correctly inserted
3. Wrong needle size for the fabric
4. The wrong foot is attached| 1. Insert a new needle
2. Insert the needle correctly (flat side towards the back)
3. Choose a needle to suit the thread and fabric
4. Select the correct foot
Loose stitches| 1. The machine is not correctly threaded
2. The bobbin case is not correctly threaded
3. Needle/ fabric/ thread combination is wrong
4. Thread tension wrong| 1. Check the threading
2. Thread the bobbin case as illustrated
3. The needle size must suit the fabric and thread
4. Correct the thread tension
Seams gather or pucker| 1. The needle is too thick for the fabric
2. The stitch length is wrongly adjusted
3. The thread tension is too tight| 1. Select a finer needle
2. Readjust the stitch length
3. Loosen the thread tension
Uneven stitches, uneven feed| 1. Poor quality thread
2. The bobbin case is wrongly threaded
3. Fabric has been pulled| 1. Select a better quality thread
2. Remove bobbin case and retread and insert correctly
3. Do not pull on the fabric while sewing, let it be taken up by the machine
The machine is noisy| 1. The machine must be lubricated
2. Fluff or oil have collected on the hook or needle bar
3. Poor quality oil has been used
4. The needle is damaged| 1. Lubricate as described
2. Clean the hook and feed dog as described
3. Only use good quality sewing machine oil
4. Replace the needle
The machine jams| Thread is caught in the hook| Remove the upper thread and bobbin case, turn the handwheel backwards and forwards by hand and remove the thread remands.
Lubricate as described

OMEGA 7142 (991CB3)

References

• Manual-Hub.com – Free PDF manuals!

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>