What to do if the bobbin thread breaks on my Janome MC 11000 Sewing Machine?
If the bobbin thread is breaking in your Janome Sewing Machine, there are several potential causes. First, ensure the bobbin thread is correctly threaded in the bobbin holder. Second, check for lint accumulation in the bobbin holder. Finally, inspect the bobbin for damage; if damaged, replace the bobbin.
Why is my Janome Sewing Machine so noisy?
Your Janome Sewing Machine might be noisy because threads have been caught in the hook mechanism or the feed dog is packed with lint.
Why does the needle thread keep breaking on my Janome MC 11000 Sewing Machine?
There are several reasons why the needle thread might break on your Janome Sewing Machine. It could be due to improper threading, excessive needle thread tension, a bent or blunt needle, incorrect needle insertion, using a thread too heavy for the needle, or failure to set the needle thread in the thread holder before starting embroidery sewing.
General| USB Connectivity | Yes |
|---|---|
| Screen Type | LCD Touch Screen |
| Stitch Width | 7mm |
| Stitch Length | 5mm |
| Needle Threader | Automatic |
| Buttonhole Styles | 10 |
| Automatic Thread Cutter | Yes |
| Built-in Memory | Yes |
| Type | Sewing and Embroidery |
| Lighting | 5 LED Lights |
Instructions for removing and attaching the front face cover of the sewing machine.
Steps to remove and attach the top cover, including disconnecting the bobbin winder connector.
Procedure for removing and attaching the belt cover, involving loosening screws and pushing a stopper.
Guide for removing and attaching the bed cover, which requires removing the extension table first.
Steps to remove and attach the base, involving disconnecting connectors and managing screws.
Procedure for removing and attaching the front cover, which includes disconnecting various connectors.
Steps to remove and attach the rear cover, requiring removal of other covers and loosening screws.
Instructions for removing and attaching the thread tension unit, including connector removal.
Guide for replacing the thread cutter unit, involving removing plates and screws, and checking function.
Steps to remove the needle threader motor, including disconnecting cables and removing screws.
Instructions for attaching the needle threader motor, connecting cords, and reassembling covers.
Procedure for removing and attaching Printed Circuit Board A, involving connector and screw removal.
Steps to remove and attach Printed Circuit Board F1, including connector and screw removal.
Procedure for removing and attaching Printed Circuit Board F2, involving connector and screw removal.
Guide for removing and attaching the slide volume, including connector and ring removal.
Steps for replacing Printed Circuit Board B, involving cover removal, screw loosening, and harness disconnection.
Procedure for replacing the switching power supply, including removing covers and disconnecting the harness.
Steps to remove and attach the DC motor, including belt removal and connector disconnection.
Procedure to adjust the motor belt tension using screws and measuring slack.
Guide to adjust needle position for straight and zigzag stitches for correct needle plate hole centering.
Procedure to adjust hook timing by aligning the rotary hook tip with the needle based on specific measurements.
An alternative method to adjust hook timing, involving specific measurements of hook tip and needle eye.
Steps to adjust needle bar height by setting the distance between the needle eye and rotary hook.
An alternative method to adjust needle bar height by measuring the needle distance to the needle plate.
Procedure to adjust the clearance between the needle and rotary hook using a test pin and specific measurements.
Guide to adjust backlash in hook drive and lower shaft gears to ensure smooth rotation and proper play.
Steps to adjust presser foot position and height, ensuring correct clearance and parallelism with the feed dog window.
Procedure to adjust feed dog height to a specific range relative to the needle plate surface.
Steps to ensure the feed dog is parallel to the needle plate, involving specific screw adjustments.
Guide to adjust the height of the embroidery foot P using a thickness gauge and specific screw adjustments.
Procedure to adjust shield plate position for zigzag stitching, ensuring correct needle swing initiation point.
Steps to adjust the tension release claw to correctly open the tension discs when the presser foot is raised.
Guide to adjust the thread releasing plate to ensure it touches the lever correctly when the presser foot is lowered.
Procedure to adjust upper thread tension to a specified gram range using the tension dial and screws.
Guide for replacing and adjusting the threader plate if the hook is damaged, ensuring correct needle interaction.
Steps to adjust the needle threader switch position to ensure correct operation and gap.
Procedure to adjust the touch panel calibration by pressing specific buttons and marks on the screen.
Guide to adjust stretch stitch balance by setting the feed balancing dial and adjusting screws based on stitch length.
Steps to adjust the presser foot lifter sensor to correctly detect the presser foot position (raised/lowered).
Procedure to adjust the buttonhole lever guide and space using a thickness gauge and specific screen indications.
Steps to adjust the presser foot sensor position to correctly detect the foot type and position (H/L).
Guide to adjust the bobbin thread sensor by measuring bobbin diameters and registering values in memory.
Procedure to adjust the thread cutter solenoid to ensure a 5 mm space between the plunger and yoke.
Steps to adjust the upper shaft clutch solenoid to ensure a 5 mm space between the plunger and yoke.
Procedure to adjust the thread cutter switch to correctly indicate sewing and thread cutting states (H/L).
Guide to adjust the bobbin winder stopper to control the amount of thread wound on the bobbin (16.5-19.5 mm).
Steps to adjust the thread drawing lever height relative to the bobbin holder (5.45-5.75 mm).
Procedure to adjust X and Y sensor dimensions for embroidery carriage movement.
Guide to adjust the sewing start position using a template and checking needle alignment.
Steps to set the position of the thread take up lever by inserting the needle bar crank into the take up crank.
Procedure to correct the upper shaft declutch device position and reduce declutch slider play.
Guide for setting the position and angle of parts on the lower shaft, ensuring alignment with marks.
Steps to set the position of upper and lower shafts by aligning cam marks, spring pins, and belt wheel marks.
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