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Replacement of lower main shaft / Hook driving gears
The replacement of the feed dot shaft/hook driving gears. This video will cover all the steps from taking it out to all adjustments putting it back together.
440/430/450/etc., 630/640, 550/530/570/580, 330/350/380, 125/220/230/325/335
Driving mechanism / Timing Belts, Hook /Sensor/Mechanism/gear/timing, CB Hook, Feed dog
Diagnostic: 630-640 440-430 etc. stitch width motor not working
The stitch width motor on this machine has a problem. I will show you how you can diagnose the fault without having any parts in stock to test the machine.
Stitch width /mechanical / electronic,
1000 Series every so often machine will not run
Every so often when you press the foot control the machine will not run. There seams to be no particular reason why it is doing this.
Foot control, Power cord, Foot Control Cord etc.
Diagnostic: 8 series: Upper thread tension is not threading correctly
The lever that should thread the check spring on the tension unit is stuck. How can we fix this
Replacing tension unit 710_750_780
How to replace the tension unit
Mechanical 1000 series. Remove and install buttonhole mechanism
It is not that complicated to remove and reinstall the button mechanism in a mechanical machine.
All mechanical 1030-1031/1000-1015, 1030/1031/1020
Metal free arm plate is coming off. How to glue it back
On the Classic and Virtuosa and Artista models, the metal free arm plate is coming off every so often. Here I show you how to glue this back on.
180/185 Artista, 170/165 Artista, 150/160/130/140, Classic/Virtuosa line, 200/730
630-640 440 etc Thread will not pass between driver and hook
This machine will not sew because there is no gap between the hook and the driver.
CB Hook, Hook Driver
Activa Line: 220/230 etc. Reverse button does not always work
Reverse button only works when pushed at one spot. If you push button at the bottom machine will not go in reverse.
Reverse Stitches/Reverse cam, Buttons/Push button all machines
1000 series needle stop and stitch width not working
Needle stop is not working correctly. Stitch width is not working and needle is just jumping
Needle stop / Stopmatic, Stitch width /mechanical / electronic
Diagnostic: Stitch width motor not working correctly
How do you test a stepping motor to find out if the motor or the electronic is bad
440/430/450/etc., 630/640, 550/530/570/580
Stitch width /mechanical / electronic,
Electronic tension adjustment for all 4 New Gen, 5 New Gen 7, and 8 series machines
The electronic tension adjustment is an essential task that you need to know on how to do it.
710/750/780/740/770/790, 830/880, New Gen 535/570/590/500, New Gen 435/475QE/480
640 Replace thread tension and stepping motor
How to remove and install both, the tension unit and the stepping motor. This procedure is filmed on a 640 but it is the same for a 580 or 560.
7series Needle won't go up or down. When turning handwheel needle is moving from side to side
The needle bar will not move at all.
Needle bar, I do not know what part of the machine is the problem
Diagnostic: 630-640-440-430-450 etc. Error message lost angle signal
The error message "Lost Angle Signal" can have different causes. I will show you how to troubleshoot it on those models.
I do not know what part of the machine is the problem, Sensors: All and any sensors in all the machines, S-Print, Main print, Base print, CPU, any print
B9 Hook machines. Machine only stitches a few stitches then stops feeding
After a few stitches the machine gets stuck and will not feed the fabric.
New Gen 535/570/590/500, New Gen 435/475QE/480, 710/750/780/740/770/790
Feed dog, Driving mechanism / Timing Belts
Diagnostic 7 and all New Gen 4 and 5 cutter not initialize
You push the cutter button to cut the thread but nothing happens. The white part from the clutch is moving but does not hold in place long enough.
710/750/780/740/770/790, New Gen 535/570/590/500, New Gen 435/475QE/480
Clutch mechanism for thread cutter, Thread cutter
How to loosen up machines that are hard to turn
Every so often you will get an older Bernina machine that is very hard to turn. I will show you one possibility those machines can be repaired.
All mechanical models before 1986 /530/730/830/930, ALL BERNINA Models, Basic Knowledge
I do not know what part of the machine is the problem
1000 series Mechanical. Remove and install head frame
In this video I show you what it takes to remove the head frame on a 1000 series machine.
All mechanical 1030-1031/1000-1015, 1130/1120/1230/1260/1530/1630/1090/1080
Needle bar, Needle bar/clutch, Presser foot mechanism / presser foot / Kneelifter
7 and 8 series machines. How to make the Left-Center-Right needle adjustment. Needle Center position.
L-M-R Adjustment for the 7 and 8 series machine