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25
Zigzag Sewing Machine
|
Instruction Manual and Parts List
3.25
Figure 35
Knee operating presser foot lift
(Figure 35)
Bell cranks ‘
1
’ is fastened to the
underside of the bed, the bell crank
‘
1
’ is used for lifting and lowering
the presser foot by the knee.
To raise or lower the presser foot by
the knee, loosen screw ‘
4
’ holding
the knee lifter shaft arm ‘
3
’, and
move the knee lifter shaft arm ‘
3
’
just under the bell crank ‘
1
’ and
firmly tighten screw ‘
4
’.
Loosen the lock nut holding screw
‘
7
’ and turn screw ‘
7
’ as required, so
that the bent end ‘
6
’ of knee lifter
shaft arm ‘
3
’ will be almost horizon-
tal when knee lifter knee plate ‘
5
’ is
pushed as far as it will go in the
direction indicated with arrow ‘
A
’,
then firmly tighten the lock nut.
With knee lifter shaft arm ‘
3
’ set in
position as described above, loosen
screw ‘
8
’ and move knee lifter shaft
arm ‘
3
’ up or down as required, so
that height ‘
10
’ from its bent end ‘
6
’
to bracket ‘
9
’ is 64 mm.
Raise presser foot ‘
12
’ by presser
foot lifter ‘
11
’. Then loosen the lock
nut holding screw ‘
14
’ and turn
screw ‘
14’
as required when the
knee lifter knee plate ‘
5’
pushed in
the direction indicated with arrow
‘
B
’, will stop at a point (presser foot
‘
12
’ raised approx. 9 mm from
needle plate ‘
13
’ surface) where
presser bar lifter ‘11’ will drop down
from its raised position when
presser bat is lifted a little higher
than its normal up position. Then
firmly tighten the lock nut.
When knee lifter knee plate ‘
5’
is
pushed in the direction indicated
with arrow ‘
B’
, the presser foot ‘
12
’
will rise and when knee plate ‘
5
’ is
released, presser foot ‘
12
’ will be
lowered.
Knee Lifter
Installation
A
B
64mm
1
2
3
4
7
8
5
6
14
9
11
12
13
10
Caution
Switch off the
machine.
Set sewing head
upright again
using both hands.
Danger of crush-
ing between
sewing head and
table top.