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Sheet C082CORRECTIVE MAINTENANCE SHEETCHANGING A BALANCING VALVEFOR THE COMPENSATION FUNCTIONFolio 1/1Caution!Ensure that the oil is not toohot.Caution!Use a container to collect oilto prevent pollution of theenvironment.Caution!Balancing valves are safetyelements. They are calibratedin the plant and must not bere-adjusted.1 - Preliminary operations• Put the machine in the maintenance configuration (see correspondingparagraph).• Switch off electric power (see corresponding paragraph).2 - Removing a balancing valve• Remove the balancing valve (1) by unscrewing it.3 - Installing a balancing valve• Screw a new balancing valve, whose characteristics correspond to themachine in question, into the hydraulic block. Tighten to a torque of 45 to50 Nm (33 to 36.7 lb.ft).• Put the machine back into the operational configuration.• Make several movements using the replaced balancing valve to purge thecircuit.• Check that the corresponding movement is made correctly.1