Operation Manual

8.2 Belt tension

Standard and checking

Over half the tightening length S = 185 mm the toothed belt 1 must

bend under the test load FV = 50 N so that the loaded belt just touches

the other belt.

Consequences of a too high toothed belt tension

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Reduced durability

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Noisy running

Consequences of a too low toothed belt tension

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No faultless mesh between belt teeth and disc toothing

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The teeth may skip over under load

–

Non-uniform corner stitches

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Check the belt tension with a spring balance.

Correction

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Loosen the counternut 3.

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Adjust the belt tension with the eccentric screw 2.

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Tighten the counternut 3.