Operating instructions

8.
9.
10.
7.
Tighter (A)
To Adjust the Stitch Length
1. Turn the adjuster nut
#
(1) counter-clockwise and push the
handle in a downward direction for a longer stitch length.
1. For a shorter stitch length raise the handle and then turn the
adjuster nut
#
(1) to lock in the handle.
2. A zero stitch length is in the middle of the slot.
The longest stitch length is at the bottom of the slot
located below #11 stamped on the face of the guide.
4. Pull the handle upwards to stitch in reverse. When the
forward stitch length and the adjuster nut are set correctly,
the machine will sew in an equal distant reverse stitch length.
5. To correctly back stitch in the same needle penetration holes;
stop the machine with the needle down, then raise the needle
approximately 1/4” upwards, pull the reverse handle all the
way up, then make several stitches in reverse.
6. To sew forward, push the handle all the way down and sew.
Looser (B)
Adjusting the Needle Thread Tension:
a. Turn the nut on the end of the Aux.
Tension shaft in a clockwise direction
to increase thread tension in small
amounts
#
(A)
b. Rotate the nut counter-clockwise
to decrease the thread tension.
#
(B)
c. For a greater amount of thread ten-
sion rotate the nut on the main tension
device in a clockwise direction. To
loosen rotate the nut counter clock-
wise.
If you have thread loops on the bot-
tom side of your work, tighten the
main tension. If the thread knot is on
the top side of the work loosen the
main tension. For minor adjustments
adjust with the aux. tension.
Aux. Tension
Main
Tension
Adjusting the Bobbin Thread Tension:
a. Loosen the locking set screw
#
(1) with a small screw driver.
b. Turn the spring tension adjusting screw
#
(2) clockwise for greater thread tension.
c. Turn the adjusting screw
#
(2) counter-clockwise to decrease the thread tension.
Normally one does not need to re-adjust the bobbin case thread tension unless one changes
the sewing thread to a very small diameter or size.
The Standard stroke of the thread take up spring,
commonly called the check spring
#
(1) is from
8 to 10 mm or about 3/8”.
Normally the stroke or spring tension does not
require re-adjustment.