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Maintenance and careV-beltsChecking conditionD Check V-belts for cracks, oil, overheatingand wearD Change demaged V-beltsChecking tensionUse V-belt tension tester to check V-belttension.D Lower indicator arm À into the scale1D Apply tester to belt at a point midwaybetween two pulleys so that edge ofcontact surface Á is flush with theV-beltD Slowly depress pad  until the springcan be heard to disengage. This willcause the indicator to move upwards2If pressure is maintained after the springhas disengaged a false reading will beobtained!3Reading of tensionD Read of the tensioning force of the beltat the point where the top surface ofthe indicator arm À intersects with thescaleD Before taking readings make ensurethat the indicator arm remains in itspositionDrivebeltwidthTensioning forces accordingto the kg graduation on thetesterNew installationInstallationAfter 10min. runningtimeWhenservicingafterlong runningtime2/3VX 90–100 70–80 60If the value measured deviates from thesetting value specified, the V-belt tensionmust be corrected.59