Page 6 BELT TENSION OPTIBELT TENSION TESTERS optibelt OPTIKRIK The optibelt OPTIKRIK is used to simplify the measurement of the belt tension or the static strand force of a two-pulley drive equipped with V-belts, kraftbands and V-ribbed belts. Default values for the static strand force of different profiles can be found on pages 8 and 9. BELT TENSION INSTRUCTIONS FOR USE 1. Drive must be unloaded. 2.The gauge is placed in the middle between the two pulleys on the back of the belt, the indicator arm must lie at the very bottom of the scale surface. 3.Lay the gauge loosely on the belt to be measured and press a finger slowly onto the pressure surface. 4.Try not to touch the gauge with more than one finger during the measuring process. 5.Once you hear or feel a definite click, immediately release pressure and the indicator arm will remain in the measured position. 6.Carefully lift the gauge without mov- ing the indicator arm, read off the strand force (see fig.). Read off the measurement at the exact point where the top surface of the indicator arm crosses the scale surface, while observing the unit, such as here N. 7.Reduce or increase the belt tension according to the measurement result until the static strand force is shown. Default values, see pages 8 and 9. © OPTIBELT GMBH, GERMANY
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