I need a repair manual for my Riccar BRLD.6USA serial# 0611006392 .my helpdr spring is broken.

Usually, the looper separation is permanently set. You can change the length but not the width of the stitch. You can also change the distance the stitches are from the edge of the fabric.

Don't know if you have a manual or not. You can read the manual from the link below. I would look for the bobbin area in the manual. There should be a section showing the bobbin area for cleaning and oiling. It may as simple as removing and reassembling the bobbin case.
It could be the timing and would require a service repair technician.

https://www.manualslib.com/manual/545699/Riccar-9600.html

You may be better off going to google and search "riccar 2910 manual" That way you can follow their detail dorections rather then someone elses and it confuse you. Usually the PDF versions have pictures with it :-)

Diane, Check the attached links, not all are free.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

RICCAR IBR 333 Instruction Manual

Riccar serger manual

Riccar Sewing Machine Instruction Manuals Immediate Download PDF

Sewing Machines

You don't say what model of Riccar you have, but here is a link to the web page with a drop down for sewing machine manuals. Hopefully this will lead you to the one that you need.

Riccar Product Manuals

Chris

I could only find the Riccar REC6000 Owner Manual. I will try to find you a service and repair manual somewhere as well.

Hi
You can download manuals for some Riccar machines from their site for free.
http://www.riccar.com/help/manuals/
I think this is the manual you need:
http://www.riccar.com/ftp/whitepapers/D102-Owners-Manual.pdf
The manual for the RD-101 wasn't listed.
Hope this helps!

Hi
You can get Riccar manuals for some machines from their site.
http://www.riccar.com/help/manuals/
I couldn't find one based on the serial number. It's easier if you use the model number.
Might this be the one for you machine?
http://www.riccar.com/ftp/whitepapers/D102-Owners-Manual.pdf
I'm assuming RD stands for Rental Deluxe.
If not have a look at the manuals that are available to find the right one for your machine.
Hope this helps!

Here's a manual for the Riccar 1010, it should be similar.
http://www.riccar.com/ftp/whitepapers/1010-Owners-Manual.pdf
If not try looking dfore manuals on the Riccar website at www.riccar.com/help/manuals
Hope this helps!

You can try;
http://www.a1sewingmachine.com/parts.html

Email your parts request to them.
Or you can contact your local dealer.

You can get an owner's manual from;
http://www.riccar.com/help/manuals