www.pavo.ch 33 Assembly Instructions • in explosion-proof rooms, we recommend that the components be grounded • if the angle of wrap on the tensioning roller is greater than 60 °, the roller acts as a deflecting roller and the tensile forces can double. Accordingly, a larger type of tensioner device is to be selected • we recommend to have the test load calculated by the belt manufacturer. The belt manufacturers offer appropriate measuring equipment in their accessories • In our selection table, for simple belt drives, in the tension force, the effect of belt elongation (~ 2%, depending on the belt type) is already taken into account. Retightening is thus not necessary. For large axle distance, high load peaks, reversing operation or in case of a large setback in the piston-compressor, we recommend checking the belt tension after several days of operation • A crowned roller is necessary for the tension of flat belts. Please, contact us at info@pavo.ch • In certain cases, toothed belts can also be tensioned with our tensioner devices Belt Drives • install the tensioner device in the slack-side • the roll diameter should be at least 2/3 of the pulley diameter • So that belts do not run off, the roll length must be sufficient • When tensioning on the inside of the belt, we recommend using a V-belt pulley • The wrap angle on the pulley and the V-belt pulley must be least 90° Further information ➢ can be found on our website www.pavo.ch/downloads ▪ Technical information about the products from PAVO AG ▪ Storage, Cleaning, Durability, Withdrawal and Disposal ▪ General Terms of Sale and Delivery ▪ Statement to REACH, RoHS, CE marking and ATEX
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