Adjusting The Dead Center Of The Reciprocating Movement Of The Drive - DURKOPP ADLER 967 Instruction Manual

4. Check the belt tension and adjust it if necessary.
10.2 Adjusting the dead center of the reciprocating movement
Proper setting
At 155°, the driver is at its dead center (movement in counterclockwise di-
rection).
Cover
• Upper right cover ( p. 12).
• Tilt the machine head ( p. 10).
Fig. 35: Dead center of the reciprocating movement of the drive
①
(1) - Eccentric
(2) - Screws
(3) - Dead center
Setting steps
1. Loosen the screws (2).
2. Turn the eccentric (1).
3. Tighten the screws (2).
4. Check if the dead center (3) is at 155°; adjust it again if necessary.
52
Note that a low tightening torque when turning the eccentric pin (1) can
lead to a high tension of the toothed belt.
of the drive
③
Position of the hook and needle
Service Instructions 967 - 02.0 - 12/2015
②