23
Figure 3
2
Knee operating presser foot lift
(Figure 33)
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.
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.
Zigzag Sewing Machine
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