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Andrew JohnsSep 9, 2025
How to fix irregular trimming on my Bernette b68 AIRLOCK?
- Cchris45Sep 9, 2025
To address irregular trimming on your Bernette Sewing Machine: * Check the alignment of the knives. * Replace one or both knives.
How to fix irregular trimming on my Bernette b68 AIRLOCK?
To address irregular trimming on your Bernette Sewing Machine: * Check the alignment of the knives. * Replace one or both knives.
Why is my Bernette b68 AIRLOCK Sewing Machine thread breaking?
If the thread is breaking on your Bernette Sewing Machine, try the following: * Loosen the thread tension. * Check the thread path to ensure it's clear. * Inspect for any tangled or caught thread. * Ensure the needle is correctly inserted. * Try new needles, as the current ones may be defective. * Use high-quality thread.
What to do if fabric does not feed well in my Bernette b68 AIRLOCK?
If the fabric does not feed well through your Bernette Sewing Machine, try the following: * Elongate the stitch length. * Increase the presser foot pressure for heavyweight fabric. * Decrease the presser foot pressure for lightweight fabrics. * Check the setting of the differential feed.
How to fix stitch skipping on my Bernette Sewing Machine?
If your Bernette Sewing Machine is skipping stitches, try the following: 1. Insert a new needle, as the current one may be bent or blunt. 2. Tighten the needle set screw. 3. Ensure the needles are correctly inserted. 4. Change the needle type or size. 5. Check the threading path. 6. Increase the presser foot pressure. 7. Use high-quality thread.
How to improve fabric feeding on my Bernette b68 AIRLOCK?
If the fabric does not feed well through your Bernette Sewing Machine, try lengthening the stitch length. If you are using heavy weight fabric, increase the presser foot pressure. For lightweight fabrics, decrease the presser foot pressure.
What causes irregular stitches on a Bernette b68 AIRLOCK?
If you are experiencing irregular stitches with your Bernette Sewing Machine, balance the thread tension, and check for any tangled or caught thread. Also, ensure the threading path is correct.
What to do if the knife is defective on my Bernette b68 AIRLOCK?
If the knife on your Bernette Sewing Machine is defective, replace it.
What to do if my Bernette Sewing Machine is not cutting the fabric properly?
If your Bernette Sewing Machine isn't cutting fabric properly: * Set the cutting width to 9. * Remove lint and remnants from the knife.
What to do if there is a fabric jam in my Bernette b68 AIRLOCK?
If your Bernette Sewing Machine experiences a fabric jam: * Decrease the presser foot pressure. * Check the setting of the differential feed. * Check for tangled or caught thread. * Baste thick layers of fabric first with a conventional sewing machine before sewing it with the overlocker.
Why is the fabric puckering when I use my Bernette Sewing Machine?
If the fabric puckers when using your Bernette Sewing Machine, try these solutions: * Check the setting of the differential feed. * Loosen the thread tension. * Check for tangled or caught thread. * Use high-quality thread. * Shorten the stitch length. * Decrease the presser foot pressure for lightweight fabrics.
General| Speed | 1300 stitches per minute |
|---|---|
| Differential Feed | Yes |
| Lighting | LED |
| Free Arm | Yes |
| Display | LCD |
| Type | Overlock and Coverstitch |
| Stitch Types | Flatlock, Coverstitch |
| Stitch Length | Up to 4mm |
| Number of Needles | 2 |
| Number of Threads | 4 |
Explanation of symbols used in the manual for danger, warning, and caution.
Detailed diagrams and lists of machine parts and their locations.
Lists and describes included accessories, those behind the threader cover, and the accessories box.
Guidance on workspace setup, connecting the machine, and switching it on.
How to use foot control, handwheel, machine covers, spool holder, and presser foot.
Information on needle area operations, changing needles, and manual threading.
How to use the thread cutter, knee lifter, cut-offs bin, freearm cover, and slide-on table.
Checklist before sewing, selecting fabric, thread, and needles.
Methods for fixing fabric layers before or during sewing.
Description of various stitch types like overlock, coverstitch, chainstitch, and flatlock.
Overview of all stitches with their default settings and visual patterns.
Preparing machine for stitches, setting knife, and cutting width.
How to adjust stitch width, length, upper looper, and thread controls.
Adjusting presser foot pressure and differential feed for fabric manipulation.
Steps for preparing to thread and threading the needle threads.
Using the air threader, auxiliary thread, or threading wire for loopers.
How to knot and change needle and looper threads.
How to perform sewing tests for overlock, coverstitch, and chainstitch.
Measures to correct stitch formation issues for various stitch types.
How to secure stitches, remove stitches, and undo cover/chainstitches.
Instructions for sewing hems, flatlocks, joining seams, binding, and topstitching.
How to sew outer corners, inner corners, and outer curves/circles.
Guidelines for storing, transporting, and cleaning the machine.
Solutions for common faults and detailed technical specifications of the machine.
