Transmission Lever - Duerkopp Adler 669 Service Instructions Manual

2.4

Transmission lever

123,6 mm
3
16
2 1
Caution: Risk of injury!
Turn off the main switch.
Check and set the transmission lever only when the machine is
switched off.
Standard checking
The lever 3 transmits the movement of the advance shaft to the needle
bar linkage.
The lever 3 must be positioned in a way that the distance between the
surface of the arm 1 and the center of the bolt 2 is 123,6 mm with the
stitch length set to "0".
–
Set the stitch length to "0".
–
Check the distance between the top edge 1 and the bolt center 2.
Correction
–
Loosen the screws 4 at the lower transmission lever.
–
Loosen the screw 5 at the upper transmission lever.
5
–
Adjust the lever 3 to fit the given dimension.
–
Fasten screws 4 and 5 again.
4