9
Adjustment
Fig. 1 - 03
1.05.03 Zeroing the bottom feed (on machines with closed gearcase)
Requirement
With the stitch length set at "0", the feed dog must not move when the balance wheel is
turned.
● Loosen screw 1.
● Set stitch length at "0".
● Turn eccentric bush 2 (screw 3) so that the marking faces downward and the surface of
the eccentric bush 2 is at an angle of 45° to the front edge of the machine.
● Loosen screw 4 and twist tension ring 5 according to the requirement while turning the
balance wheel continuously.
● Set crank 6 at a distance of approx. 8 mm from the contact ring 7 and tighten screw 4.
Screw 1 is left loose for further adjustments.
1
2
3
45°
4
6
7
5
ca. 8 mm
To Next Page
Loading...
Need help?
General
