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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

830/880, 710/750/780/740/770/790

Needle bar

1000 series mechanical models handwheel clutch broken

On the mechanical handwheel clutch, the plastic part with the snaps is broken and the screw from the bushing is shared off.

All mechanical 1030-1031/1000-1015, 1030/1031/1020

Handwheel

7 Series How to replace the LED light by the headframe

Replacing both of the LED lights under the headframe

710/750/780/740/770/790

Sewing Light all models

8 Series When threading the upper thread the threading mode will not come up on the screen

When inserting the thread on the right side to begin the threading process, the machine will not change the screen to the threading mode and the machine is not getting ready to be threaded.

830/880

I do not know what part of the machine is the problem

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

830/880

Tension unit

Replacing tension unit 710_750_780

How to replace the tension unit

710/750/780/740/770/790

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

Buttonhole/Foot/Mechanism etc.

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

Covers/Housing/front/back/side/all models

930/931/932 Tune up when nothing wrong

How to make a tune-up on a 900 series mechanical machine when there is nothing wrong with the machine

Specific 930 series

Service the entire machine

7 series Hook timing off! Check the timing belt before setting the timing.

Before you just adjust the timing on a 7 series machine please watch this video

710/750/780/740/770/790

Hook /Sensor/Mechanism/gear/timing

B9 hook How to remove the hook race and put it back with all the adjustments

How to remove the hook race and put it back with all the adjustments

New Gen 535/570/590/500, 435/475QE/480, 710/750/780/740/770/790

B9 Hook

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

Tension unit

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.

630/640, 550/530/570/580

Tension unit

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.

710/750/780/740/770/790, 830/880

Needle bar, I do not know what part of the machine is the problem

7 and 8 series How to remove and reinstall the dual feed

If for some reason you have to remove and reinstall the dual feed system here I show you how

830/880, 710/750/780/740/770/790

Dual feed mechanism/mechanical/electronic

8 series Bobbin will swing out each time customer starts to embroider

When the customer starts to embroider the hook will swing out each and every time.

830/880

Bobbin case, Hook /Sensor/Mechanism/gear/timing, Thread cutter

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