13.3 Adjusting the belt tension (working method B)
Caution: Danger of injury !
Switch off the main switch.
Check and adjust the belt tension of the transfer device only with the
sewing unit switched off.
Standard checking
The toothed belts 1 and 6 should be tensioned in such a way that a
faultless meshing is guaranteed. The motion of the transfer device,
however, must not slow down.
Consequences of a too high toothed belt tension
Reduced duration
Non-uniform cylinder motion
Slippage of the eccentric bush
Consequences of a too low toothed belt tension
No faultless meshing between belt teeth and disc toothing
The fabric clamps hit the pick-up folder uncontrolled.
Correction of toothed belt 1
Loosen Allen screw 2.
Turn the eccentric 3.
Tighten Allen screw 2.
The toothed wheel must remain easily rotatable.
Correction of toothed belt 6
Loosen Allen screw 4.
Turn the tension pulley 5.
Tighten Allen screw 4.
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