93
7-2. Adjusting the pressure of the presser foot
1) Turn the presser spring regulator 1 clockwise A
to increase the pressure given by the presser foot.
2) Turn the presser spring regulator counterclockwise
B to decrease it.
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.
7-3. One-touch type reverse feed stitching mechanism
(1) How to use the reverse feed switch lever
1) Press reverse feed switch 1, and the sewing
machine will immediately run in the reverse direction
to perform the reverse feed stitching.
2) Reverse stitching is performed as long as you keep
the lever held pressed down.
3) Release the switch lever, and the machine will
immediately run in the normal direction.
4) Reverse feed switch 1 can be used in two positions
by turning it.
For the types other than WB, CB and
0B, touch-back kit (separately sold ,
Part No. 40010795) is necessary.
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.
(2) Height of the switch
Cau
tion
1
1
B
A
A. In case of the machine with the auxiliary thread take-up lever
1) Loosen setscrew 1 and adjust up or down mirror
switch 2.
2) Loosen setscrew 3 and move up or down reverse
feed switch 4 to adjust the height.
* The position of reverse feed switch 4 and mirror
switch 2 can be reversed.
1
4
3
2
2
1
4
5
3
1
2
6
3) Loosen setscrew 1 and remove mirror SW 2.
4) Slightly loosen setscrew 3, move upward reverse feed switch 4 and guide 5, and fix the switch with
guide 5 and setscrew 3.
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