Page 30/37
Original issue
January 2009
Service Manual
COSMO-7/8
series
Model
15. Stitch length --continued--
b. Rotate bolt (B) counter clockwise when the top of buttonhole is shaped as (2) illustrated in
the previous page
3. After adjustment, tighten screw (A) securely.
Forward stitch pitch is too small.
Note:
*Loosen screw (A) beforehand.
*Don’t overshoot.
*When loosening bolt (B), try to push motor
unit with finger against spring pressure so
that it may follow the movement.
*Test sewing after tightening screw (A)
temporarily
B
A