5-4. Adjusting the stitch length
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.
Change the stitch length appropriately according to the material to be used, differential feed ratio or other rel-
evant factors.
Keep pressing the button ❶ and turn the pulley till the button is locked. Then, release the button after reach-
ing the desired stitch length.
❶
5-5. Adjusting the differential feed ratio
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.
❸
❷
To make stitch
pitch denser
1) Loosen differential feed adjusting nut ❷ . Move
differential feed adjusting rod ❶ upward to per-
form stretching sewing, or downward to perform
shirring.
2) When you want to move the lever ❶ only slight-
❶
ly, use differential feed minute-adjust screw ❸ .
3) After the adjustment, securely tighten differential
feed adjusting nut ❷ .
– 16 –
To make stitch
pitch coarser