Bottom Feed Adjustment; Position Of The Feed-Dog In The Throat Plate Cutout - DURKOPP ADLER 767 Service Instructions Manual

3.2

Bottom feed adjustment

3.2.1

Position of the feed-dog in the throat plate cutout

2 1
6
6 7 8 13
Caution: Danger of injury !
Switch off main switch.
Check and adjust position of the feed-dog only when the sewing
machine is switched off.
Standard checking
Lateral position:
The feed-dog 2 must be in the centre of the throat plate cutout 1.
Position in feed direction:
In case of maximum stitch length the distance between feed-dog 2 and
throat plate cutout 1 must be equal at the back (a) and at the front (b).
–
Set maximum stitch length.
Turn the button in clockwise direction as far as it will go.
–
Turn handwheel and check position of feed-dog 2.
Correction
–
Loosen screws 6 and 7.
–
Adjust feed-dog bar 8 in such a way that the above-mentioned
conditions are fulfilled.
–
Tighten screws 6 and 7 again.
–
Check whether the lifting shaft crank has lateral clearance to joint 13.
If not, the position of the lifting shaft crank 6 has to be changed
correspondingly.
–
Loosen screws 3 and 4.
–
Loosen screw 10.
–
Adjust the position of the lifter shaft 5.
–
Tighten screws 3, 4 and 10 again.
The tratcion rod 9 must lie centered on the eccentric 11 and the
shaft 5 must be axially fixed.
2 12
3 4 5
11
9
10