Troubleshooting JUKI Sewing machine parts

JUKI sewing machines are known for their durability and efficiency. However, even the best machines can encounter problems from time to time. Troubleshooting JUKI sewing machines can be a bit daunting, but with the right information and tools, it can be done quickly and efficiently.

List of the 16 Commonly Broken JUKI Sewing Machine Parts

Here is a list of JUKI sewing machine parts and components that may commonly break or malfunction:

1. Needle
2. Bobbin case
3. Bobbin
4. Tension disks
5. Feed dog
6. Thread take-up lever
7. Presser foot lever
8. Spool pin and holder
9. Power cord and foot pedal
10. Reverse lever
11. Pattern selector
12. Stitch length adjustment
13. Throat plate
14. Slide plate
15. Sewing light
16. Presser dial

It is important to note that regular maintenance and care can prevent many of these issues from occurring. However, if any of these parts do break or malfunction, they can often be easily replaced or repaired by a qualified sewing machine technician.

Common JUKI Sewing machine parts problems and solution

When it comes to sewing machines, JUKI is a well-known brand in the industry. However, like any other machine, JUKI sewing machines are prone to various problems with their parts, which can disrupt your sewing projects. In this article, we will discuss some common JUKI sewing machine parts problems and provide solutions to help you troubleshoot the issues and get your machine back to working order.

JUKI sewing machine motor problems

The JUKI sewing machine motor may stop working or work intermittently.

Causes of the JUKI Sewing machine motor problems

There are several reasons why a JUKI sewing machine motor may stop working or work intermittently. Some of the most common causes are:

1. Loose wiring connections
2. Faulty foot pedal
3. Worn-out carbon brushes
4. Burnt-out motor windings
5. Faulty motor capacitor
6. Faulty speed control circuit

Troubleshooting JUKI Sewing machine motor problems

Here are the steps to troubleshoot JUKI Sewing machine motor problems:

1. Check the wiring connections: Ensure that all the wiring connections are tight and secure. If any connections are loose, tighten them.
2. Check the foot pedal: Try using a different foot pedal to see if that solves the problem. If it does, replace the faulty foot pedal.
3. Check the carbon brushes: Remove the carbon brushes from the motor and inspect them for wear. If they are worn out, replace them.
4. Check the motor windings: Test the motor windings for continuity using a multimeter. If there is no continuity, the windings are burnt out and need to be replaced.
5. Check the motor capacitor: Test the motor capacitor using a multimeter. If it is faulty, replace it.
6. Check the speed control circuit: Test the speed control circuit using a multimeter. If it is faulty, replace it.

JUKI sewing machine belt problems

The JUKI sewing machine belt may slip, break or become loose.

Causes of the JUKI Sewing machine belt problems

There are several reasons why a JUKI sewing machine belt may slip, break or become loose. Some of the most common causes are:

1. Overuse of the machine
2. Incorrect tension adjustment
3. Improper alignment of the pulleys
4. Worn-out or damaged belt
5. Dirt and debris accumulation
6. Incorrect installation of the belt

Troubleshooting JUKI Sewing machine belt problems

Here are the steps to troubleshoot JUKI Sewing machine belt problems:

1. Check the machine usage: If the machine has been used excessively, replace the belt.
2. Check the tension adjustment: Ensure that the belt tension is properly adjusted. Adjust it if necessary.
3. Check the pulley alignment: Check the alignment of the pulleys and adjust them if necessary.
4. Check the belt condition: Inspect the belt for signs of wear or damage. Replace it if necessary.
5. Clean the machine: Remove any dirt and debris that may have accumulated on the machine, including the belt.
6. Reinstall the belt: If the belt was not installed correctly, reinstall it properly.

JUKI sewing machine presser foot problems

The presser foot on a JUKI sewing machine may not be moving up and down properly or may not be applying the right amount of pressure on the fabric.

Causes of the JUKI Sewing machine presser foot problems

There are several reasons why the presser foot on a JUKI sewing machine may not be moving up and down properly or may not be applying the right amount of pressure on the fabric. Some of the most common causes are:

1. Misaligned presser foot
2. Worn-out or damaged presser foot
3. Incorrect presser foot height adjustment
4. Dirt and debris accumulation
5. Incorrect or damaged presser foot spring

Troubleshooting JUKI Sewing machine presser foot problems

Here are the steps to troubleshoot JUKI Sewing machine presser foot problems:

1. Check the presser foot alignment: Make sure the presser foot is properly aligned and not bent or twisted. If it is, straighten it or replace it.
2. Check the presser foot condition: Inspect the presser foot for signs of wear or damage. If it is worn out or damaged, replace it.
3. Check the presser foot height adjustment: Make sure the presser foot height is adjusted correctly. Adjust it if necessary.
4. Clean the machine: Remove any dirt and debris that may have accumulated around the presser foot area.
5. Check the presser foot spring: Check the presser foot spring for damage or wear. If it is damaged or worn out, replace it.

How To Fix Presser Foot On JUKI

Here are the steps to fix the presser foot on a JUKI sewing machine:

1. Turn off the machine and unplug it from the power source.
2. Remove the presser foot and inspect it for any signs of wear or damage. Replace it if necessary.
3. Use a soft cloth to clean the presser foot and the area around it.
4. Adjust the presser foot height to ensure it is at the correct height.
5. Check the presser foot spring for damage or wear. If it is damaged or worn out, replace it.
6. Reinstall the presser foot and test it to ensure it is functioning properly.
7. If the problem persists, refer to the troubleshooting steps listed above.

JUKI sewing machine thread cutter problems

The thread cutter on a JUKI sewing machine may not be cutting the thread properly or may not be working at all.

Causes of the JUKI Sewing machine thread cutter problems

Some of the common causes of JUKI Sewing machine thread cutter problems are:

1. Dull or damaged thread cutter blade
2. Dirt and debris accumulation
3. Misaligned thread cutter blade
4. Faulty thread cutter mechanism

Troubleshooting JUKI Sewing machine thread cutter problems

Here are the steps to troubleshoot JUKI Sewing machine thread cutter problems:

1. Clean the thread cutter blade: Remove any dirt or debris that may have accumulated on the thread cutter blade.
2. Inspect the thread cutter blade: Check the thread cutter blade for any signs of damage or wear. If it is damaged or worn out, replace it.
3. Adjust the thread cutter blade: Ensure the thread cutter blade is properly aligned. Adjust it if necessary.
4. Check the thread cutter mechanism: Inspect the thread cutter mechanism to ensure it is functioning correctly. If not, seek assistance from a professional.

Hand wheel problems on JUKI sewing machine

The handwheel on a JUKI sewing machine may be difficult to turn or may not turn at all.

Causes of the JUKI Sewing machine hand wheel problems

Some of the common causes of JUKI Sewing machine hand wheel problems are:

1. Dirt and debris accumulation
2. Loose or damaged handwheel belt
3. Obstruction in the machine
4. Misaligned or damaged handwheel mechanism

Troubleshooting JUKI Sewing machine hand wheel problems. How To Fix JUKI Sewing Machine Handwheel

Here are the steps to troubleshoot and fix JUKI Sewing Machine Handwheel problems:

1. Turn off the machine and unplug it from the power source.
2. Remove the needle and the presser foot to gain access to the handwheel.
3. Check for obstructions: Look for any obstructions that may be preventing the handwheel from turning. Remove any debris or obstructions that you find.
4. Check the handwheel belt: Ensure the handwheel belt is properly installed and not damaged. If it is damaged or loose, replace it.
5. Clean the machine: Use a soft brush or cloth to remove any dirt or debris that may have accumulated in the machine.
6. Check the handwheel mechanism: Inspect the handwheel mechanism for damage or misalignment. Adjust it if necessary or seek assistance from a professional.
7. Reinstall the presser foot and the needle.
8. Turn on the machine and test the handwheel to ensure it is functioning properly.

JUKI sewing machine Foot Pedal, Power Cord and Switch problems

The foot pedal, power cord, and switch on a JUKI sewing machine may not be working correctly, making it difficult or impossible to operate the machine.

Causes of the JUKI sewing machine Foot Pedal, Power Cord and Switch problems

Some of the common causes of JUKI sewing machine Foot Pedal, Power Cord and Switch problems are:

1. Loose or damaged power cord
2. Faulty foot pedal
3. Damaged or faulty switch
4. Electrical problems

Troubleshooting JUKI sewing machine Foot Pedal, Power Cord and Switch problems

Here are the steps to troubleshoot JUKI sewing machine Foot Pedal, Power Cord and Switch problems:

1. Turn off the machine and unplug it from the power source.
2. Inspect the power cord: Check the power cord for any signs of damage, such as cuts or fraying. If it is damaged, replace it.
3. Inspect the foot pedal: Ensure the foot pedal is properly connected to the machine and not damaged. If it is damaged, replace it.
4. Check the switch: Inspect the switch for any signs of damage or malfunction. If it is damaged, replace it.
5. Test the machine: Plug the machine back in and turn it on. Test the foot pedal, power cord, and switch to ensure they are functioning properly. If not, seek assistance from a professional.

JUKI sewing machine Reverse Lever problems

The reverse lever on a JUKI sewing machine may be difficult to operate or may not work at all.

Causes of the JUKI sewing machine Reverse Lever problems

Some of the common causes of JUKI sewing machine Reverse Lever problems are:

1. Dirt and debris accumulation
2. Loose or damaged reverse lever mechanism
3. Obstruction in the machine
4. Misaligned or damaged reverse lever

Troubleshooting JUKI sewing machine Reverse Lever problems

Here are the steps to troubleshoot JUKI sewing machine Reverse Lever problems:

1. Turn off the machine and unplug it from the power source.
2. Remove the presser foot to gain access to the reverse lever mechanism.
3. Clean the machine: Use a soft brush or cloth to remove any dirt or debris that may have accumulated in the machine.
4. Check the reverse lever mechanism: Inspect the reverse lever mechanism for damage or misalignment. Adjust it if necessary or seek assistance from a professional.
5. Reinstall the presser foot.
6. Turn on the machine and test the reverse lever to ensure it is functioning properly.

JUKI sewing machine Spool Pin and Holder problems

The spool pin or holder may be loose, bent, or broken, causing thread tension problems or difficulty in winding the bobbin.

Causes of the JUKI sewing machine Spool Pin and Holder problems

1. Rough handling or accidental damage
2. Age and wear
3. Incorrect installation or use
4. Use of inappropriate thread or spool size

Troubleshooting JUKI sewing machine Spool Pin and Holder problems

1. Turn off the machine and unplug it from the power source.
2. Remove the spool pin or holder from the machine.
3. Inspect the pin or holder for damage or wear.
4. If the pin or holder is damaged or worn, replace it with a new one.
5. If the pin or holder is loose, tighten any screws or connections that hold it in place.
6. If the spool pin is bent, carefully straighten it using pliers.
7. Check that you are using the correct size spool and thread for your machine.
8. Reinstall the spool pin or holder and test the machine.

JUKI sewing machine Pattern Selector problems

The pattern selector may not be working, causing the machine to sew the wrong stitch or skip stitches.

Causes of the JUKI sewing machine Pattern Selector problems

1. Dirty or worn selector dial or cam
2. Broken or worn pattern selector lever
3. Incorrect threading or tension settings
4. Faulty machine electronics

Troubleshooting JUKI sewing machine Pattern Selector problems

1. Turn off the machine and unplug it from the power source.
2. Remove the faceplate from the machine to access the pattern selector.
3. Check the selector dial and cam for dirt or wear. Clean or replace as necessary.
4. Check the pattern selector lever for damage or wear. Replace if needed.
5. Ensure that the machine is threaded correctly and the tension is set properly.
6. If the problem persists, consult the machine manual for instructions on testing the electronics.
7. If the electronics are faulty, contact a qualified sewing machine repair technician.

JUKI sewing machine Stitch Length Adjustment problems

The stitch length adjustment may not be working, causing the machine to sew stitches that are too long or too short.

Causes of the JUKI sewing machine Stitch Length Adjustment problems

1. Dirty or worn stitch length adjustment mechanism
2. Broken or worn stitch length adjustment lever
3. Incorrect threading or tension settings
4. Faulty machine electronics

Troubleshooting JUKI sewing machine Stitch Length Adjustment problems

1. Turn off the machine and unplug it from the power source.
2. Remove the faceplate from the machine to access the stitch length adjustment mechanism.
3. Check the stitch length adjustment mechanism for dirt or wear. Clean or replace as necessary.
4. Check the stitch length adjustment lever for damage or wear. Replace if needed.
5. Ensure that the machine is threaded correctly and the tension is set properly.
6. If the problem persists, consult the machine manual for instructions on testing the electronics.
7. If the electronics are faulty, contact a qualified sewing machine repair technician.

JUKI sewing machine Tension Disks problems

The tension on the JUKI sewing machine may not be consistent or the thread may slip out of the tension disks.

Causes of the JUKI sewing machine Tension Disks problems

1. The thread may be threaded incorrectly.
2. The tension disks may be dirty or worn out.
3. The thread may be too thick or too thin for the tension setting.
4. The tension on the sewing machine may need to be adjusted.

Troubleshooting JUKI sewing machine Tension Disks problems

1. Turn off the JUKI sewing machine and unplug it from the power source.
2. Raise the presser foot to release the tension on the thread.
3. Use a small brush or a soft cloth to clean the tension disks.
4. Check the thread path and make sure the thread is properly threaded through the tension disks.
5. Adjust the tension setting to the recommended setting for the type of fabric and thread being used.
6. If the tension disks are worn out or damaged, replace them with new tension disks.

JUKI sewing machine Needle Clamp problems

The needle may not be securely held in place or may slip out of the needle clamp.

Causes of the JUKI sewing machine Needle Clamp problems

1. The needle may not be inserted all the way into the needle clamp.
2. The needle clamp screw may not be tightened enough.
3. The needle clamp may be worn out or damaged.

Troubleshooting JUKI sewing machine Needle Clamp problems

1. Turn off the JUKI sewing machine and unplug it from the power source.
2. Loosen the needle clamp screw using a screwdriver.
3. Remove the needle and reinsert it all the way into the needle clamp, making sure the flat side of the needle is facing the back of the machine.
4. Tighten the needle clamp screw securely.
5. Test the needle to make sure it is securely held in place and does not slip.
6. If the needle clamp is worn out or damaged, replace it with a new needle clamp.

JUKI sewing machine Take-Up Lever problems

The thread may not be properly fed through the take-up lever, causing stitches to skip or the machine to jam.

Causes of the JUKI sewing machine Take-Up Lever problems

1. The thread may not be threaded correctly through the take-up lever.
2. The take-up lever may be dirty or damaged.
3. The timing of the take-up lever may be off.

Troubleshooting JUKI sewing machine Take-Up Lever problems

1. Turn off the JUKI sewing machine and unplug it from the power source.
2. Raise the presser foot to release the tension on the thread.
3. Remove the thread from the take-up lever and rethread it, making sure it is threaded correctly through the take-up lever.
4. Use a small brush or a soft cloth to clean the take-up lever.
5. Check the timing of the take-up lever and adjust it if necessary.
6. Test the machine to make sure the thread is feeding through the take-up lever smoothly and stitches are forming properly.

JUKI sewing machine Presser Dial problems

The presser dial controls the pressure of the presser foot on the fabric. If the presser dial is not working properly, the presser foot may not hold the fabric down firmly or may press down too hard, causing the fabric to pucker or stretch.

Causes of the JUKI sewing machine Presser Dial problems

1. Dirty or clogged presser dial mechanism
2. Loose or damaged presser dial mechanism
3. Incorrectly adjusted presser dial mechanism

Troubleshooting JUKI sewing machine Presser Dial problems

1. Turn off the sewing machine and unplug it from the power source.
2. Remove the presser foot and presser foot holder from the machine.
3. Locate the presser dial mechanism and check for any visible damage or debris.
4. Clean the presser dial mechanism with a soft-bristled brush or compressed air to remove any dirt or debris.
5. Check for any loose or damaged parts and tighten or replace them if necessary.
6. Reinstall the presser foot holder and presser foot.
7. Turn on the sewing machine and test the presser foot pressure by sewing a scrap piece of fabric.

JUKI sewing machine Feed Dog problems

The feed dog is responsible for moving the fabric through the sewing machine. If the feed dog is not working properly, the fabric may not move or may move too quickly, causing uneven or skipped stitches.

Causes of the JUKI sewing machine Feed Dog problems

1. Dirty or clogged feed dog mechanism
2. Loose or damaged feed dog mechanism
3. Incorrectly adjusted feed dog mechanism

Troubleshooting JUKI sewing machine Feed Dog problems

1. Turn off the sewing machine and unplug it from the power source.
2. Remove the needle plate and bobbin case from the machine.
3. Locate the feed dog mechanism and check for any visible damage or debris.
4. Clean the feed dog mechanism with a soft-bristled brush or compressed air to remove any dirt or debris.
5. Check for any loose or damaged parts and tighten or replace them if necessary.
6. Adjust the feed dog height by turning the feed dog screw until the feed dog is level with the needle plate.
7. Reinstall the needle plate and bobbin case.
8. Turn on the sewing machine and test the fabric feed by sewing a scrap piece of fabric.

JUKI sewing machine Throat Plate problems

The throat plate covers the area around the needle and feed dogs. If the throat plate is damaged or misaligned, it can cause the fabric to get stuck or create uneven stitches.

Causes of the JUKI sewing machine Throat Plate problems

1. Dirty or clogged throat plate mechanism
2. Loose or damaged throat plate mechanism
3. Incorrectly installed or misaligned throat plate

Troubleshooting JUKI sewing machine Throat Plate problems

1. Turn off the sewing machine and unplug it from the power source.
2. Remove the needle plate and bobbin case from the machine.
3. Locate the throat plate mechanism and check for any visible damage or debris.
4. Clean the throat plate mechanism with a soft-bristled brush or compressed air to remove any dirt or debris.
5. Check for any loose or damaged parts and tighten or replace them if necessary.
6. Reinstall the throat plate and make sure it is aligned properly with the feed dogs and needle.
7. Install the needle plate and bobbin case.
8. Turn on the sewing machine and test the fabric feed by sewing a scrap piece of fabric.

JUKI sewing machine Sewing Light problems

The sewing light on the JUKI sewing machine is not turning on or flickers.

Causes of the JUKI sewing machine Sewing Light problems

1. A blown bulb.
2. A loose connection.
3. A faulty switch.
4. A problem with the power supply.

Troubleshooting JUKI sewing machine Sewing Light problems

1. Check if the bulb is blown. If yes, replace the bulb.
2. Make sure that the connection between the light and the power supply is secure.
3. Check the switch to make sure it is working properly. If it is not, replace the switch.
4. If the above steps do not work, check the power supply to see if there is an issue.

JUKI sewing machine Presser Foot Lever problems

The presser foot lever on the JUKI sewing machine is not moving smoothly or is stuck.

Causes of the JUKI sewing machine Presser Foot Lever problems

1. The presser foot lever may be bent or damaged.
2. Dirt or lint may be stuck in the mechanism.
3. The mechanism may need lubrication.
4. The presser foot pressure adjustment may be too tight.

Troubleshooting JUKI sewing machine Presser Foot Lever problems

1. Check the presser foot lever to see if it is bent or damaged. If it is, replace the lever.
2. Clean the mechanism thoroughly to remove any dirt or lint that may be causing the problem.
3. Lubricate the mechanism with sewing machine oil.
4. Adjust the presser foot pressure adjustment to see if it resolves the issue.

JUKI sewing machine Slide Plate problems

The slide plate on the JUKI sewing machine is not moving smoothly or is stuck.

Causes of the JUKI sewing machine Slide Plate problems

1. Dirt or lint may be stuck in the mechanism.
2. The mechanism may need lubrication.
3. The slide plate may be bent or damaged.

Troubleshooting JUKI sewing machine Slide Plate problems

1. Clean the mechanism thoroughly to remove any dirt or lint that may be causing the problem.
2. Lubricate the mechanism with sewing machine oil.
3. Check the slide plate to see if it is bent or damaged. If it is, replace the slide plate.

JUKI sewing machine Bobbin Case problems

The bobbin case is a part of the sewing machine that holds the bobbin in place. Bobbin case problems can include the bobbin case being loose or not fitting properly, causing the machine to make loud noises or produce irregular stitches.

Causes of the JUKI sewing machine Bobbin Case problems

1. The bobbin case is not properly seated or inserted.
2. The bobbin case is worn or damaged.
3. The thread tension is not adjusted properly.
4. The needle is damaged or bent.
5. The bobbin case screw is loose.

Troubleshooting JUKI sewing machine Bobbin Case problems

Step-by-step instructions:

1. Turn off the sewing machine and unplug it.
2. Remove the needle and the presser foot to access the bobbin case.
3. Remove the bobbin and check the bobbin case for any damage or wear. If it’s damaged, replace it with a new one.
4. Check that the bobbin case is properly seated and inserted. Make sure that it clicks into place.
5. Check the thread tension. Adjust it if necessary.
6. Check the needle. If it’s bent or damaged, replace it with a new one.
7. Tighten the bobbin case screw, but not too tight.
8. Replace the bobbin, presser foot, and needle.
9. Plug in the sewing machine and turn it on.
10. Test the machine by sewing a scrap piece of fabric.

JUKI sewing machine Bobbin problems

Bobbin problems on a JUKI sewing machine can include thread bunching up under the fabric, poor stitch quality, or the machine not picking up the bobbin thread at all.

Causes of the JUKI sewing machine Bobbin problems

1. The bobbin is not inserted properly.
2. The bobbin is not wound correctly.
3. The bobbin is the wrong size or type.
4. The thread tension is not adjusted properly.
5. The machine needs cleaning and oiling.

Troubleshooting JUKI sewing machine Bobbin problems

Step-by-step instructions:

1. Turn off the sewing machine and unplug it.
2. Remove the needle and the presser foot to access the bobbin.
3. Remove the bobbin and check that it’s inserted properly. Make sure that it’s wound correctly and the thread is coming off the bobbin in the right direction.
4. Check the bobbin size and type. Use the correct one for your machine.
5. Check the thread tension. Adjust it if necessary.
6. Clean the bobbin area with a brush and remove any lint or debris.
7. Apply a small amount of sewing machine oil to the bobbin case and surrounding areas.
8. Replace the bobbin, presser foot, and needle.
9. Plug in the sewing machine and turn it on.
10. Test the machine by sewing a scrap piece of fabric.

10 Common Problems with JUKI Sewing Machines

In addition to the common problems listed above, JUKI sewing machines can also experience the following issues:

1. Stitch Problems
2. Upper thread breaking
3. Breaking needles problems
4. Bobbin winding problems
5. Bobbin thread problems
6. Bobbin holder problems
7. Bobbin tension problems
8. Sewing Machine Keep Jamming
9. Tension problems
10. Sewing machine not feeding fabric

FAQ

What are some common parts that may need to be replaced on a JUKI sewing machine?

Common parts that may need to be replaced include the needle, bobbin case, bobbin, presser foot, feed dog, and thread cutter.

Where can I purchase replacement parts for my JUKI sewing machine?

Replacement parts can be purchased from authorized JUKI dealers, online sewing machine parts retailers, or directly from JUKI.

Can I replace JUKI sewing machine parts myself or do I need to take it to a professional?

It depends on the specific part and the complexity of the repair. Some parts, such as the needle or bobbin, can easily be replaced by the user. However, more complex repairs, such as replacing the motor or circuit board, should be done by a professional.

How do I know if a JUKI sewing machine part is compatible with my machine?

The best way to ensure compatibility is to check your sewing machine’s manual or contact JUKI customer support. You can also look for parts specifically designed for your JUKI model.

How often should I replace JUKI sewing machine parts?

It depends on the specific part and how frequently you use your sewing machine. Some parts, such as needles and bobbins, should be replaced after every project or every few hours of use. Other parts, such as the motor or circuit board, may last for many years without needing replacement.

Conclusion. Troubleshooting JUKI Sewing machine parts

In conclusion, knowing how to troubleshoot JUKI sewing machines can save you time and money. Understanding the causes of the most common problems and knowing how to fix them will keep your machine running smoothly and allow you to continue your sewing projects without interruption. By following the step-by-step troubleshooting instructions and regularly maintaining your JUKI sewing machine, you can ensure that it will serve you well for years to come.