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Sheet C067CORRECTIVE MAINTENANCE SHEETCHANGING AN ELECTROVALVEFolio 1/1Caution!Ensure that the oil is not toohot.Caution!Use a container to collect oilto prevent pollution of theenvironment.121 - Preliminary operations• Put the machine in the maintenance configuration (see correspondingparagraph).• Switch off electric power (see corresponding paragraph).2 - Removing an electrovalve• Mark and disconnect the electric connections(1) of the coils.• Mark the installation position of the electrovalve on the block.• Unscrew the four fixing screws (3) of the electrovalve (2) and remove.3 - Installing an electrovalve• Put a new electrovalve equipped with its seals into place and fix using the4 screws, in the position of the electrovalve on the block. Tighten to therecommended torque (see corresponding paragraph).• Reconnect the electrovalve’s electric connections, according to the marksmade during dismantling.• Put the machine back into the operational configuration.• Make several movement cycles using the replaced electrovalve to purgethe hydraulic circuit.• Check the level of the hydraulic oil tank.31