I am having trouble threading a bernette-MO-203 overlocker, it doesn't seem to loop and just got serviced and I don't know how to thread it, the instruction manual doesn't seem to make sense, HELP PLEASE!!!
Have you tried the video's on youtube
SOURCE: Threading an Empisal Overlocker - Model S4D
All sergers thread the same way and sergers have to be threaded in a certain order. I made a jingle out of it...
upper looper
lower looper
right needle
left
It would be best to have a tweezers handy to help with the thread and threading.
always be sure the lower looper thread goes over the top of the upper looper then out the back. I would be surprised if your thread guides are not color coded.
If you look at the top thread guides or the spools. First from left to right thread the 3rd spool, then the fourth spool. Then you thread the right needle (the second spool) then the left needle (1st spool.
The lower looper can be tricky because you have to thread it from the back of the looper to the front.
Pull the threads out the back from under the foot. Then go ahead and run it slow watching to see if it starts making a chain. It should. If not do it over again.
Good luck
Rick Engel
SOURCE: Bernina overlocker 203 locking thread is not sewing on fabric
You need to adjust the tension for your threads. Use scraps to test sew as you adjust the individual threads to bring them into proper balance. Your manual will tell you how to do this.
SOURCE: THREADING FOR JUKI MO 357
Put new needles in it.
Following the colors, thread the upper looper first, then the lower looper. Next thread the needles. Always thread in this order.
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