– 27 –
Adjustment Procedure
Results of Improper Adjustment
1. Set the stitch dial
to [6] on the scale.
2. Slightly loosen the clamping screw
of the vertical feed arm.
3. Align the hand-wheel pointer with the graduation [L] on the hand-
wheel.
4. Adjust the height of the feed dog
to 0.5 to 0.6 mm.
5. Loosen the vertical feed arm tightening screw
.
(Caution)
Fasten the clamping screw with a tightening torque of
5.88 to 6.86N•m (60 to 70 kgf•cm).
If the height of the feed dog is
excessive:
o The material may be fed back-
ward in the normal feed mode.
If the height of the feed dog is insuf-
ficient:
o The stitch length may become
shorter than the specified value.
3’ Refer to [3.-(1) Types and Names
of Graduations on the Hand-
wheel].
