Helical gearboxes H2 flender ltd kharagpur H2CV-25-C

Flender/Flender Gear Units/Helical gearboxes H2

5 en 0/2.2 Maintenance Table 1: Maintenance and repair work Measures Periods Remarks Cleaning the filter elements. every 2 weekssee operating instructions of the individual components. Take oil sample from the oil-supply system and analyse for lubricity.every 2 weeksif the lubricity of the oil can no longerbe guaranteed, the oil must be changed. Maintenance work on the oil-supply system.also see operating instructions for the oil-supply system. Couplings:Check coupling packs. If the torsional backlash is too high, the coupling packsmust be replaced.every 2 weekssee operating instructions of the individual components. Overrunning clutch: Cleaning.annually Total drive:Check the fastening bolts for tight fit, check the drive for misalignments. annually Main motor: General overhaul.annually acc. to specification by manufacturer Oil tank:Cleaning of the breathing filter.every 1 weeks acc. to specification by manufacturer Checking the seal on the girth gearcover.every 2 weeks acc. to specification by manufacturer NOTICE Property damage Damage to the gear unit and the oil-supply system from dirty oil is possible. If following contamination limits or the purity class 2/1/1 according to the standard "ISO 4" isexceeded, the oil must be changed. Table 1: Contamination limits Material Contamination limit Possible source Iron 4 [mg/kg] Girth gear, gear wheels, rolling bearings Chromium 4 [mg/kg] Bearings, gear wheels aluminium 4 [mg/kg] Oil pump bearing Copper 4 [mg/kg] Rolling bearing cages Lead 6 [mg/kg] Sliding bearings - pump / tube mill Tin 2 [mg/kg] Sliding bearings - pump / tube mill Nickel 2 [mg/kg] Gear wheels Zinc 1 [mg/kg]Priming coat contains zinc: Zinc is sometimes used as additive. In this case please contact Siemens. Silicon 2 [mg/kg] Dust, other environmental factors. Water 0.1% Condensation, faulty water-oil cooler. 4 / 5BA 5 en 0/2NOTICE Property damage Damage to the gear unit is possible if the nominal viscosity is too low. The oil viscosity at 4 must not be