Service manual

1-12
S100
Revised 10/2005
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B - MACHINE INSTALLATION
4. ADJUSTMENT OF THE T - BELT TENSION FOR SEWING
The driving belt is placed under the right side cover. After its dismantling, loosen the pulley screw and adjust
the V - belt pulley so that, so that during pushing on the front branch of the belt, there should be a sag about
25 mm (1”), as illustrated. Tighten the screw of the idler pulley.
For easy folding of the machine head, the pulley must be down with tilt min. 30° backwards.
Install the removed cover again.
Idler pulley
Correct belt deflection