17
A
2
1
3
B
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
5-5. Threading the machine head
1) Turn the handwheel by hand to bring the needle to the most raised position.
2) Pass the thread in the order of the numbers as illustrated.
3)
Pull out the thread about 10 cm from the needle after passing it through the needle.
5-6. Adjusting the stitch length
1) Turn the stitch length dial 1 in the direction of the
arrow so that the number corresponding to the desired
stitch length meets the marker dot A engraved on
the machine arm.
2) Numbers on the stitch length dial are calibrated in
mm.
3) To perform reverse feed stitching, press down the
feed lever 2 . The sewing machine performs reverse
feed stitching as long as you keep the feed lever held
pressed. The feed lever will return to its home position
and the sewing machine will run in the normal stitching
direction when you release the feed lever.
5-7. Adjusting the condensation stitching
Stitch length can be reduced at the start or end of
sewing. This feature is used for fastening stitch.
1) Turn condensation stitching adjusting dial 3 in the
direction of the arrow mark, and adjust the desired
number to engraved dot B on the machine arm.
2) The number of the graduation is shown in the unit of mm.
3) Turn condensation stitching adjusting dial 3 in the
direction of + to reduce the reverse feed stitch length.
Example : When stitch length dial 1 is used with the
graduation of +2, the maximum adjustment value of
condensation stitching adjusting dial 3 becomes -2.
(It is possible to adjust within the range of -2 to +2.)
Maximum feed amount is regulated to ±2 according to the gauge delivered (feed dog : 22581508).
Adjustment can be performed up to the range of maximum +5 to -4 by replacing the gauge
(feed dog : 22540009).
4) Note that the graduations on the dial are mere reference. Adjust the condensation stitching while actually
observing the finished seam.
1
2
4
3
5
With auxiliary
thread take-up
Turn the thread
once.
Without auxiliary
thread take-up
LZ-2290A-7
With thread
trimmer
LZ-2290A
Without thread
trimmer
1
Reference
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