Working & Maintenance Instructions - Varvel

Working Instructions & MaintenanceMalfunctioning7 MALFUNCTIONING7.1 Major Events Running noise, continuous Grinding sound: damaged bearing .Replace bearing & check the oil Knocking sound: irregular gearingContact Customer Service Running noise, intermittent Foreign particles in the oilContact Customer Service Series VR - Damaged friction ringRectify the cause and replace friction ring.See the next Section «Friction Ring Replacement» Oil leakages(see also next note) Damaged oil sealReplace the oil seal Loosen screwsTighten the screws Inner overpressureContact Customer ServiceOil seal fittingDefective fitting or fitting-lubricant melting No rotation of output shaft Internal connection cut offContact Customer Service Series VR - Friction ring end of lifeReplace the friction ringSee the next Section «Friction Ring Replacement» Series VR - Contaminated friction ringClean carefully cone and ring working areas with solvent of similarproduct .See the next Section «Friction Ring Replacement»7.2 Customer ServiceWe recommend to always provide the Customer Service with the following information: Full data of name plate and/or Serial No. Type of application Duty cycle Circumstances of malfunctioning Supposed causes.- 24 -