How to adjust stitch length, How to adjust overedge seam width – SINGER 14U236B User Manual
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10. How to adjust stitch length
The stitch length dial on this machine is pre-set to 3mm for
normal sewing condition. Since the adjustment can be made
easily, adjust the stitch length to 4mm when sewing heavy weight
fabrics such as quilting and to 2mm when sewing light weight
fabrics such as lining fabric, crepe, etc. and you will obtain ex
cellent seams without puckerings.
11. How to adjust overedge seam width
Overedge seam width of this machine is set to 3.5mm for normal sewing conditions, however it can be
increased up to 5mm for overedging heavy weight fabrics as instructed below.
(1) Before making the adjustment, be sure that the power line plug is disconnected from the wall re
ceptacle.
(2) Open the looper cover. (See page 8)
(3) Turn the hand wheel toward you, lower the movable knife as far as it will go and set it in the non
operating position as shown in figure below.
(4) Remove the cylinder cover. (See page 8)
Movable
knife
holder
Push the movable knife holder to
the right as far as it will go and turn
the knob in the direction shown.
As shown above, the movable knife
will be in a non-operating position.
(5-1) 14U286B machine. (See Fig. 1)
Turn the overedge seam width adjustment knob and
with the graduations on the throat plate as a rule, adjust
to desired seam width.
(5-2) 14U236B machine. (See Fig. 2)
Loosen the 2 stationary knife holder set screws with
the hex-head wrench provided in the accessories, move
the stationary knife holder to the right or left and tighten
the set screw.
(When a wider seam is desired, move the holder to the
right and when a narrower seam is desired, move the
holder to the left).
Be sure to align the cutting edge of the stationary knife
level with the top surface of the throat plate.
(6) Replace the cylinder cover. (See page 8)
(7) Return the movable knife to its original position and
close the cover.
Note: Do not set the overedge seam width below 3.5mm
as this may cause the stationary knife to interfere
with the throat plate.
Narrow
Fig. 1
Stationary
knife holder
Stationary knife holder
set screw
Fig. 2
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