Singer 6423 User Manual

Use only identical Singer replacement parts for double insulated machines.

Return damaged machines to authorized dealer for examination and repair.

Keep ventilation openings free of lint, dust, and loose cloth.

Close attention is necessary when used by or near children.

Servicing requires extreme care and knowledge; use only qualified personnel.

Illustrates the path the thread takes through the machine.

Adjusts the tension of the upper thread during sewing.

Contains the discs that control upper thread tension.

Covers internal components; may need removal for some maintenance.

Provides illumination for the sewing area.

The plate under the presser foot where the needle enters the fabric.

Attaches to increase the sewing surface area.

Used in the one-step buttonhole process.

Holds the bobbin and controls lower thread tension.

Adjusts the length of each stitch.

Guides the thread from the spool to the tension module.

The component that pierces the fabric to create stitches.

Holds the fabric against the feed dogs.

The spool that holds the lower thread.

Manually turns the needle up or down.

Dial or control to choose different stitch patterns.

Engages reverse stitching.

Covers the bobbin area.

Mechanism for winding thread onto bobbins.

Holds the thread spool and secures it.

May relate to stitch balance or bobbin winder.

Adjusts the needle's horizontal position.

Controls stitch width and potentially needle position.

Displays stitch patterns available for Machine A.

Displays stitch patterns available for Machine B.

Standard presser foot for most sewing tasks.

Presser foot optimized for straight stitching.

Foot used for darning and free-motion embroidery.

Specialized foot for creating blind hems.

Assists in threading the needle.

Covers the feed dogs for specific operations.

A presser foot for specific sewing applications.

Presser foot for creating one-step buttonholes.

Spools that hold the lower thread.

Presser foot designed for sewing buttons.

Presser foot used for sewing zippers.

Tool for cleaning lint and dust from the machine.

Helps maintain a consistent seam allowance.

Contains replacement needles of various sizes.

Secures the thread spool on the spool pin.

Alternative spool cap for smaller spools.

Steps to connect the sewing machine to power.

Instructions on how to operate the sewing machine.

Symbols used to simplify understanding throughout the manual.

First step in winding bobbin: securing thread in guide.

Winding thread around tension discs for proper tension.

Placing the wound bobbin onto the winding spindle.

Engaging the bobbin winder mechanism.

Securing the start of the thread during winding.

Starting the bobbin winding process.

Finishing the bobbin winding process.

Disengaging the bobbin winder.

Releasing the bobbin from the winder.

How to choose a stitch pattern using the selector dial.

Safety step: ensure power is off before threading.

Prepare the machine by raising the needle.

Lifting presser foot for easier threading of tension module.

Loading the thread spool onto the machine.

Guiding the thread through the initial thread guide.

Threading the tension discs correctly.

Ensuring sufficient thread length for the next step.

Guiding thread through an additional thread guide.

Final threading step: passing thread through the needle eye.

Attaching the needle threader to the machine.

Positioning the threader for needle insertion.

Ensuring proper alignment of the threader guide with the needle.

Passing the threader's hook through the needle eye.

Engaging the thread with the threader's hook.

Pulling the thread through the needle eye.

Detaching the needle threader.

Accessing the bobbin area.

Placing the wound bobbin into its housing.

Directing the bobbin thread through the bobbin case notches.

Positioning the bobbin thread correctly.

Securing the bobbin area.

Holding the upper thread to assist bobbin thread retrieval.

Using the handwheel to bring the needle down and up.

Retrieving the bobbin thread loop.

Opening the loop of bobbin thread so it can be pulled through.

Positioning both threads correctly for sewing.

How to choose a stitch pattern using the selector dial.

Guidance on preparing for straight stitch sewing.

Positioning fabric and lowering the presser foot.

Starting the sewing process.

Controlling the fabric movement while sewing.

Steps to complete a seam and cut the threads.

Aligning fabric edge with needle plate markings.

Stopping at the corner point for turning.

Leaving the needle in the fabric as a pivot.

Rotating the fabric to create the corner.

Resuming sewing after turning the corner.

Reinforcing the start and end of a seam.

Engaging reverse stitching with the lever.

Attaching the seam guide to the machine.

Setting the guide for the correct seam width.

Securing the seam guide in place.

Adjusting the seam guide for curved stitching.

Visual guide for correct straight stitch tension.

Visual guide for excessive straight stitch tension.

Visual guide for insufficient straight stitch tension.

Visual guide for correct zig-zag stitch tension.

Instruction to decrease tension.

Instruction to increase tension.

Guidance on tension for decorative stitches.

Tip for achieving better stitch quality.

Setting the needle to its central position.

Moving the needle to the left.

Moving the needle to the right.

Using the selector to change needle position.

Fine-tuning needle position with the stitch width control.

Detaching the extension table to access free arm.

Instruction related to reverse process in free arm sewing.

Applications of free arm sewing.

Procedure to remove the current presser foot.

Completing the removal of the presser foot.

Positioning the new presser foot for attachment.

Lowering the presser foot to secure the new foot.

Securing the presser foot to the presser bar.

Removing the presser foot by loosening its screw.

Attaching the new presser foot to the presser bar.

Securing the new presser foot with its screw.

Securing the feed cover onto the needle plate.

Recommendation to use genuine Singer needles for optimal performance.

Procedure to remove the old needle.

Correct orientation for inserting a new needle.

Securing the new needle in place.

Examples of very lightweight fabrics.

Examples of lightweight fabrics.

Examples of medium-weight fabrics.

Examples of medium to heavy-weight fabrics.

Examples of heavy-weight fabrics.

Specific category for leather materials.

Examples of knit fabrics.

Examples of knit fabrics.

Information regarding the use of twin needles.

Warning about using non-Singer needles.

Adjusting the stitch width using the control lever.

Caution for twin-needle use regarding stitch width.

Decreasing stitch length by moving the lever left.

Increasing stitch length by moving the lever right.

Information about factory balancing.

Note that not all patterns are balanceable.

Preparation step before balancing a pattern.

Operating the pattern selection lever.

Settings for free motion embroidery.

Step to attach the feed cover for this operation.

Using an embroidery hoop to control fabric.

Lowering the presser foot for sewing.

Method to adjust stitch length during free motion sewing.

Settings for darning.

Preparation steps before darning.

Step to attach the feed cover for darning.

Positioning fabric for darning.

The darning stitching process.

Settings and application for small buttonholes.

Settings and application for large buttonholes.

Settings and applications for straight stitch sewing.

Settings and applications for zig-zag stitch.

Settings and applications for zig-zag blindstitch.

Settings and applications for multistitch.

Settings and applications for the 'M' stitch.

Recommended settings for one-step buttonholing.

How to adjust the balance of a buttonhole stitch.

Recommended settings for sewing on buttons.

Recommended settings for inserting a zipper.

Folding the hem to the wrong side for blindstitching.

Securing the folded hem.

Folding the hem back to prepare for stitching.

Aligning the fabric with the blindstitch guide.

Stitching technique for blindstitch.

Adjusting the presser foot for optimal stitching.

Finishing step after blindstitching.

Introduction to overcasting stitch patterns.

Purpose of overcasting edges.

Using overcasting for hem finishing.

Application for stretchy materials.

Seaming in light fabrics.

Another instance for overcasting edges.

Seaming in heavy or stretch fabrics.

Preparation before removing the bobbin case.

Removing the presser foot.

Accessing and removing the bobbin.

Loosening the screw holding the needle plate.

Removing the needle plate.

Removing the slide plate.

Extracting the bobbin case.

Instructions for replacing the bobbin case.

Positioning the new bobbin case correctly.

Procedure to reattach the needle plate.

Securing the needle plate.

Final steps for replacing the bobbin case.

Removing the screw holding the face plate.

Removing the face plate.

Steps to remove the sewing machine light bulb.

Unlocking and removing the old bulb.

Final removal of the light bulb.

Instructions for installing a new light bulb.

Installing and securing the new bulb.

Reattaching the face plate.

Securing the face plate with its screw.

Cleaning lint and dust from key machine parts.

Cleaning the exterior surface of the machine.

Cleaning under the needle plate.

Cleaning the bobbin case area.

Cleaning the hook assembly.

Disconnecting the machine from power.

Disconnecting the foot controller.

Lowering the presser foot.

Positioning the needle bar for storage.

Proper storage location advice.

Troubleshooting steps for when the needle does not move.

Troubleshooting for no stitches formed.

Troubleshooting steps for needle breakage.

Troubleshooting for upper thread breakage.

Troubleshooting bobbin winding issues.

Troubleshooting for lower thread breakage.

Troubleshooting steps for skipped stitches.

Troubleshooting fabric feeding issues.