ELNA Supermatic Service Manual page 26

Test using Cam 107
Install Cam 107 in the ELNAGRAPH.
Install the Cording foot on the presser bar.
The Cording Foot has a relief on the underside, behind the
needle slot.
Set pressure regulating dial for medium cloth pressure.
Stitch width knob at "4."
Set Centering Dial at Center Position.
Stitch length lever at "A. "
Install a size 80 [12] needle.
Thread the machine with size 120 thread (upper) and size 80
thread (bobbin).
Set upper thread tension to between 1½ and 2½.
Increase tension of lower thread by turning graduated screw
on upper guard ring to 1½ ‐ 2.
The graduated screw is numbered 0 – 3, 0 being the lowest
tension and 3 the highest. The irregular shape of the
graduated screw moves the Lower Tension Lever to increase
or decrease the pressure applied to the bobbin tension
spring.
Place a piece of cotton material under the presser foot and sew about 4" of the design.
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