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Lervia KH 4001 Manual

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Fine adjustment during sewing buttonholes
Should the buttonhole seams sewn on both sides of the buttonhole not be
uniform in appearance, a fine adjustment can be undertaken as per the
following method:
1. Set the stitch type selector
w
at „F“ and, as a test, sew the left-hand
buttonhole seam on a remant of the same material. Observe the
material feed during the process.
2. Should the sewn left-hand buttonhole seam be too coarse or too fine,
appropriately adjust the material feed using the stitch length selector
6
.
q
– left-hand buttonhole seam
w
– Stitch length
e
– shorter
r
– longer
t
– result
3. When the sewing test has produced satisfactory results for the left-
hand buttonhole seam with regard to the feed, sew a right-hand
buttonhole seam and continue to observe the feed.
4. If the buttonhole seam on the right is too fine or too coarse in compari-
son with the left, adjust the button hole fine adjustment screw at the
rear of the machine housing as described below:
When the buttonhole seam on the right appears to be too coarse, adjust
the screw using the supplied large screwdriver
X
in the direction marked
„–“; When the right buttonhole seam is too fine, adjust the screw using
the screwdriver
X
in the direction marked „ +“.
By means of the described method of adjustment it is possible to obtain
a uniform appearance of the two buttonhole seams.
y
– Stitch length setting wheel
u
– Fine adjustment screw for sewing buttonholes
i
– Right-hand buttonhole seam
o
– Result
Sewing on buttons
1. Measure the distance between the holes of the button and select the
suitable type of stitch with the stitch type selector
w
in accordance
with the following table:
2. Replace the sewing foot
s
with the sewing foot for sewing on buttons
B
(see Chapter „Exchanging the sewing foot”).
3. Position the darning plate
v
on the stitch plate
a
of the machine.
The lateral pins of the darning plate
v
should slide into the holes in
the darning plate
a
.
4. Position the button to be sewn on between the foot
B
and the material
and check that the needle will pierce the left-hand hole in the button
without hitting the button itself. If this is not guaranteed return to step1.
5. Sew approximately 10 stitches at a low speed.
6. Remove the material from the machine. Cut off the upper and lower
threads and knot the two threads underneath.
Sewing in zippers
The zipper foot
M
is employed to sew in different types of zippers and can
be positioned on the right or on the left of the needle without any difficulties.
If you want to sew in the right side of the zipper, fix the foot shaft at the left
side of the securing pin at the zipper
M
; If you want to sew in the left side
of the zipper, fix the shaft at the right side of the securing pin.
1. Set the stitch type selector
w
at 3 and the stitch length
6
at a value
between 2 and 3.
2. Lower the sewing foot
s
using the lifting lever
g
and allow the shaft to
snap on the right or left part of the securing pin on the zipper foot
M
.
3. Fold over approximately 2 cm (3/4”) of the material and lay the
zipper under the material.
4. Lower the needle accordingly in the right or the left notch for the
needle in the zipper foot
M
.
Type of stitch No. Stitch length/mm Sewing foot
3 2–3 Zipper foot
hole distance of the button Type of stitch No.
1.5 mm (1/16”) 4
3.5 mm (6/64”) 5
5 mm (13/64”) 6
Type of stitch No. Stitch length Sewing foot Miscellaneous
4, 5 or 6 user defined Buttonhole foot Darning plate
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 13
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