Singer 645-645E-645E3-645E6

Taw qhia

This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of your Singer 645, 645E, 645E3, or 645E6 sewing machine. Please read this manual thoroughly before using your machine to ensure proper function and to prevent damage or injury.

Khaws phau ntawv no rau hauv qhov chaw nyab xeeb rau yav tom ntej siv.

Cov lus qhia txog kev nyab xeeb tseem ceeb

Thaum siv cov khoom siv hluav taws xob, kev ceev faj txog kev nyab xeeb yuav tsum ib txwm ua, suav nrog cov hauv qab no:

• Nyeem tag nrho cov lus qhia ua ntej siv lub tshuab xaws no.
• Khaws cov ntiv tes deb ntawm txhua qhov chaw txav. Kev saib xyuas tshwj xeeb yog yuav tsum tau nyob ib ncig ntawm lub tshuab xaws rab koob.
• Ib txwm tshem lub tshuab xaws tawm ntawm lub qhov hluav taws xob tam sim ntawd tom qab siv thiab ua ntej ntxuav, tshem lub hau, lossis ua qhov kev hloov kho rau tus neeg siv.
• Never operate this sewing machine if it has a damaged cord or plug, if it is not working properly, or if it has been dropped or damaged.
• Tsis txhob siv sab nraum zoov.

Teeb tsa

1. Tshem tawm thiab tso

• Ua tib zoo tshem lub tshuab tawm ntawm nws lub ntim.
• Place the machine on a stable, flat surface with adequate lighting.
• Xyuas kom lub hwj chim hloov nyob rau hauv OFF txoj hauj lwm ua ntej ntsaws rau hauv.

2. Fais fab kev twb kev txuas

• Txuas lub xov hluav taws xob rau lub tshuab thiab tom qab ntawd rau lub qhov hluav taws xob uas tsim nyog.
• Txuas lub ko taw tswj rau lub tshuab.

3. Bobbin Winding

1. Muab ib tug spool ntawm xov rau ntawm tus pin spool.
2. Qhia cov xov los ntawm cov lus qhia saum toj kawg nkaus thiab nyob ib ncig ntawm bobbin winding nro disc.
3. Insert the thread through the hole in the bobbin and place the bobbin onto the bobbin winder spindle.
4. Thawb lub bobbin winder spindle mus rau sab xis.
5. Press the foot controller gently to wind the bobbin. Stop when the bobbin is full.
6. Txiav cov xov thiab thawb lub bobbin winder spindle rov qab mus rau sab laug.

4. Muab lub Bobbin ntsaws rau hauv

1. Qhib lub bobbin npog phaj.
2. Ntxig lub qhov txhab ntawm lub qhov txhab rau hauv cov ntaub ntawv bobbin, xyuas kom cov xov unwinds nyob rau hauv qhov tseeb kev taw qhia (feem ntau counter-clockwise).
3. Pull the thread through the tension spring and guide slot.
4. Kaw lub bobbin npog phaj.

5. Xov cov xov sab saud

1. Raise the presser foot and needle to their highest positions.
2. Muab cov xov xov rau ntawm tus pin spool.
3. Follow the numbered threading path indicated on your machine, guiding the thread through all guides, tension discs, and the take-up lever.
4. Xov rab koob los ntawm pem hauv ntej mus rau tom qab.
5. Rub li ntawm 6 nti ntawm xov los ntawm lub qhov koob.

Cov lus qhia ua haujlwm

1. Nqa Cov Xov Bobbin

1. Hold the upper thread lightly with your left hand.
2. Turn the handwheel towards you to lower the needle into the needle plate and then raise it again.
3. The upper thread will catch the bobbin thread, forming a loop. Pull the loop up through the needle plate opening.
4. Pull both threads (upper and bobbin) under the presser foot and towards the back of the machine.

2. Basic Stitching

• Select your desired stitch pattern and length using the appropriate dials or buttons.
• Muab koj cov ntaub tso rau hauv qab ntawm ko taw presser.
• Txo tus ntiv tes xoo.
• Gently press the foot controller to begin sewing. Guide the fabric smoothly.
• To finish, raise the needle and presser foot, then pull the fabric away and cut the threads.

3. Kev Kho Qhov Nruj

Correct thread tension is crucial for balanced stitches. Adjust the upper thread tension dial as needed:

• If the bobbin thread appears on the top side of the fabric, increase upper tension.
• If the upper thread appears on the underside of the fabric, decrease upper tension.

4. Embroidery/Serger Functions (for applicable models)

For models 645E, 645E3, and 645E6, refer to specific sections for embroidery unit attachment and serger stitch settings. These models offer advanced capabilities beyond basic sewing.

• Paj ntaub: Attach the embroidery unit, hoop your fabric, and select your desired design. Follow the on-screen prompts or specific instructions for your embroidery module.
• Serger: Utilize the differential feed and multiple thread cones for overlock stitches, rolled hems, and other serger-specific finishes. Adjust loopers and knives as per your project requirements.

Kev tu

1. Kev ntxuav

• Kev ntxuav tu tsis tu ncua: Use a soft brush to remove lint and dust from the bobbin area, feed dogs, and tension discs.
• Koob Phaj: Remove the needle plate and clean underneath it regularly to prevent lint buildup.
• Sab nrauv: So lub tshuab sab nraud nrog ib daim ntaub mos mos, damp daim ntaub. Tsis txhob siv cov tshuaj hnyav.

2. Lubrication (Oiling)

Refer to your machine's specific oiling points, usually indicated in the original manual. Use only high-quality sewing machine oil. Over-oiling can cause issues.

3 ib. Koob Hloov

Replace the needle frequently (after every 8-10 hours of sewing or when it becomes dull/bent) to prevent skipped stitches and fabric damage. Ensure the flat side of the needle faces the back of the machine when inserting.

Kev daws teeb meem

If problems persist after attempting these solutions, consult a qualified service technician.

Specifications

• Qauv Series: Singer 645, 645E, 645E3, 645E6
• Tshuab Hom: Electronic Sewing Machine (some models with Embroidery/Serger capabilities)
• Fais fab mov: Standard household electrical outlet (voltage may vary by region)
• Lub Tshuab Koob: Standard home sewing machine needles (e.g., 130/705H)
• Hom Bobbin: Class 15 (or specific to model, refer to machine markings)
• Hom kab xev: Varies by model, typically includes utility, decorative, and stretch stitches. Embroidery/Serger models offer additional specialized stitches.

Note: Specific features and capabilities may vary slightly between the 645, 645E, 645E3, and 645E6 models. Refer to your machine's specific markings for precise details.