Baby Lock BL4-428 Instruction Booklet page 40

Four-thread,, three-thread, & two-thread, overlock
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34
PRESSER FOOT PRESSURE ADJUSTMENT
The
pressure
on
your
Baby
Lock
presser
foot
has been pre-set
at the
factory
and
rarely
needs
adjust-
ment.
For
very
thick
fabric
you
may
find
it
helpful
to
decrease
the
pressure
on the
presser
foot
in
order
for
it to
accomodate
the
thickness
of
the fabric
and feed
through smoothly.
35
MACHINE SPECIFICATIONS
How
to
adlust
presser
foot
pressure
Less
More
--+-)
4
Pressure
adj
uster
Figure 99
Specification
2.5-
7.5mm
1.5mm
(M)
2.2mm
1-5mm
6.0mm
1.8kgs
1
500rpm
DCx 1F #11
#14
Semi-automatic
wick
lubrication
4,3
or
2 thread
7 kg
(with
motor-)
6
watts
12
voltage
Item
Overedge
width
(Standard)
(Narrow rolled
hemming)
Width
between
two
needle
Stitch
length
Pressure
bar
lift
Standard
pressure
of
presser
foot
Maximum
sewing
speed
Needle
Lubrication
method
Number
of
thread
Machine
weight
Light bulb-
No.
1
2
2
3
4
5
6
7
I
9
10
11
39

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