Bernette for Bernina 334DS_Side cover doesn't stay close

Hello Barry

A service manual is available (at a small cost) at:
Bernette Sewing Machine Service Manuals which would also provide parts.

Please give me a thumbs up if this is helpful.
Sewingirl/

Can I assume you mean the foot control does not work or do you mean the machine will not run
I have seen the set screw on the motor pulley come loose, thus motor whirling, and nothing moves
the side cover must be removed, then belts removed and the set screws on the motor pulley tightened

To be sure you don't drop the needle down inside the machine, place a piece of paper or fabric across the needle plate. There are 2 tiny screws above the needles. One does the right needle, the other does the left needle. Loosen the screw (do not loosen the screw so much that it will fall out--they are Hard to find!). Pull out the old needle. Push the new needle up into the hole (the flat side should face the back of the machine). Hold the needle in place while you tighten the screw.

Bernina Bernette 303 334D 335 Serger

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Congratulations on your decision to buy the bernette Deco 340. By owning .... Insert the power supply plug into the wall outlet and turn the power switch on. 1.

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there are none that I can find to download, but here is a link to click on for a manual,, but you can contact bernina customer service and see if they have one, I looked on their site but couldn't find one.

Bernina 334 334D Bernette Instruction Manual

Has it been professionally cleaned and oiled recently? Even though the manuals usually don't provide instructions for oiling the inside of a serger, they do need it periodically because of all the moving parts. If you don't feel comfortable doing it yourself, then maybe a trip to the Bernina technician is in order. (Please if you try it yourself, be sure you have the proper oil, preferably Bernina serger oil--not Bernina sewing machine oil.)

See about obtaining a instruction manual.

www.bernina.com/.../bernette.../bernette.../bernette-sewing-and-embroid.

try this link for parts Bernette MO334DS Parts
or check with a bernina dealer

here is a link for a manual, it should have the informtion in it that you need.
http://sewusa.com/Sewing_Machine_Manuals/Bernina_Manuals/334_334D_Instruction_Manual.htm

Video instructions.

http://www.youtube.com/watch?v=LNY3O09JxfU
Funlock 004 334DS Overlocker Video Instructions