Setting the drive
Service instructions 967 - 00.0 - 12/2014
27
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
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
drive belt (7).
3. Insert a hexagonal wrench into the hexagonal opening (2), tension the
ridged drive belt (7) and tighten the screws (4).
4. Check the belt tension.
5. If necessary, correct the belt tension.
WARNING
Risk of injury
Switch off the sewing machine before adjusting the belt
tension.
(1) - Checking point
(2) - Hexagonal opening
(3) - Belt tensioner
(4) - Screws
(5) - Drive pulley
(6) - Tensioning roller
(7) - Ridged drive belt
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ཱི
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