– 9 –
1. Adjusting the amount of alternating vertical
movement of the walking foot and presser
foot
1) The amount of alternating vertical movement of
the walking foot and presser foot must be 2 to
5.5 mm.
2) The amount of alternating vertical movement of
the walking foot and presser foot can be easily
adjusted with dial
A
mounted on the front sur-
face of sewing machine.
3) Knob
❶
mounted on the top surface of sewing
machine locks the operation of dial
A
by setting
the former to the same value with the latter.
2. Adjusting a balance of the alternating verti-
cal movement between the walking foot and
the presser foot
(1) In the case of increasing the height of walking
foot
❷
and decreasing the height of presser
foot
❸
1) Detach rubber plug
❹
.
2) Turn the handwheel until presser foot
❸
goes up above the throat plate.
3) Loosen screw
❺
.
4) Presser foot
❸
comes down to reach the
throat plate. Then, tighten screw
❺
.
5) As described above, decrease the height
of presser foot
❸
to an appropriate lower
value. Continue this procedure until the
amount of lift of the presser foot becomes
almost equal to that of walking foot
❷
.
(2) In the case of decreasing the height of walking
foot
❷
and increasing the height of presser
foot
❸
1) Turn the handwheel until walking foot
❷
goes up above the throat plate.
2) Loosen screw
❺
.
3) Walking foot
❷
comes down to reach the
throat plate. Then, tighten screw
❺
.
To adjust the amount of alternating vertical movement of the walking foot and presser
foot from a smaller value to a larger value, set knob
❶
to a larger value to unlock it. Then,
adjust dial A appropriately. After adjusting dial A, turn knob
❶
to lock dial A. Similarly, to
adjust the amount of alternating vertical movement of the walking foot and presser foot
from a larger value to a smaller value, adjust dial A first, and turn knob
❶
to lock dial A.
4-7. Adjusting the presser foot and the walking foot
❶
A
❸
❷
❹
2.0 to 5.5 mm
❺
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
