How do I disengage the cutter on a Husqvarna 905 serger I don't want to cut the fabric I just want a finished edge?

SOURCE: How do I dis engage the cutter

What does your manual say?
If the 1634 is anything like the 1600 I don't think you can disengage it. I have the book for the 1600 and there is nothing mentioned about disengaging -- only changing the blades. Some models are like that. You might join the White serger group and ask the members there..
http://groups.yahoo.com/group/white_model_sergers
Someone may have an answer or a way around it.

Otherwise, all I can suggest is to call or go to a Joann's or a Husqvarna Viking sewing machine dealer and ask them. Alternatively, a sew and vac repair shop may be able to assist.

SOURCE: my viking serger 905 wont cut

Sometimes the blades need to be adjusted. Lower them all the way manually to the bottom. The cutters if you look on the side should meet. If they don't' meet or if there is a small space then the upper cutter needs to be lowered.
There are screws that hold this in place. You might need a man to help since the screws on my machine are very tight!

SOURCE: user guide Overlocker/serger Husquvarna Viking Huskylock 905

Hey if you need a new manual go to this link www.ifixmachines.com and dont forget to put this code (150t) so you can get $1.50 discount. Hope this help.. By the way the manual cost only $10. BYE

SOURCE: Elna 704 serger sews well but cutter won't cut.

Make sure that the blades are being held firmly together. I have seen the knob used to lower the moving blade come loose and releases much of the pressure intended to hold the blades together.  If so, the set screws on knob have come loose.

SOURCE: Sewing thick fabric and machine won't send it through

Sergers are not really meant to sew very thick material. The blades have a maximum amount of range, or thickness that they can reach to cut. If you go outside that range, get ready for a big repair bill! You can break loopers and even the needle plate when you "push" a serger. My advise would be to use you sewing machine for the, "pounding" work. The type of material matters too, A thick Quilt like fabric can be sewn becatuse it's not dense material. A thinner harder denim could max out at 3 layers because of it"s hard finish. If the fabric you're sewing isn't dense like, you could just need new knives.