Adjusting The Belt Tension - Dürkopp Adler 967 Service Instructions Manual

Setting the drive

6.1.3 Adjusting the belt tension

Correct setting
The belt must be taut so that if one presses at point 1 the maximum
deflection of the belt is approx. 2 mm.
Figure 18: Adjusting the belt tension
(1) - Checking point
(2) - Hexagonal opening
(3) - Belt tensioner
(4) - Screws
Setting steps
1. Lay the ridged drive belt (7) in position.
2. Turn the tensioning roller (6) with the belt tensioner (3) against the ridged
3. Insert a hexagonal wrench into the hexagonal opening (2), tension the
4. Check the belt tension.
5. If necessary, correct the belt tension.
Service instructions 967 - 00.0 - 12/2014
WARNING
Risk of injury
Switch off the sewing machine before adjusting the belt
tension.
drive belt (7).
ridged drive belt (7) and tighten the screws (4).
(5) - Drive pulley
(6) - Tensioning roller
(7) - Ridged drive belt
27