Product Ref: 230A0000
The Fenner Belt Tension Indicator is a simple tool that helps ensure accurate
belt tension - a correctly tensioned drive avoids belt slippage which can reduce
overall drive efficiency.
Method of belt tensioning using Fenner Belt Tension Indicator
• Calculate the deflection in mm on a basis of 16mm per metre of centre
distance. Centre distance (metres) x 16 = deflection (mm).
• Set the lower marker ring at the deflection distance required in mm on the
lower scale.
• Set the upper marker ring against the bottom edge of the top tube
• Place the belt tension indicator on top of the belt at the centre of span, and
apply a force at right angles to the belt, deflecting it to the point where the
lower marker ring is level with the top of an adjacent belt.
• Read off the setting force value indicated by the top edge of the upper
marker ring
• Compare this force to the kgf value shown in the table
• With banded belts use a bar across the band width to ensure even
distribution of the force and divide the force measured by the number of
belts in the band for comparison with the values in the table above
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