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Electric actuator 4e1 Operating instructions B 4e1... E

1. kfm Electric actuator 4e1 B 4e1 E Operating instructions Page 1 of 2 Attention Adjustment of and work on the actuator may only be done by skilled labour Disconnect power supply before removing the cover Observe local instructions and terminal diagram Actuator disassembly Actuator assembly disconnect supply lift actuator onto valve connection and secure nuts 18 loosen fixing screw 21 see Fig 1 see Fig 1 tighten 19 coupling nut and fixing screw 21 unscrew coupling nut 19 connect lines acc to wiring diagram unscrew nuts 18 if necessary move actuator in both limit positions and take off actuator from valve connection adjust stroke indikators 17 on mounting rod Maintenance the spindle has to be kept cleen and lubricated if necessary lubricate the spindle with molykote including grease Limit switches Attention The limit switches work load dependent and turn off automatically when the valve drives in end position so that a readjustment as for travel dependent limit switches is not necessary and not allowed Change of the factory adjustment endangers correct operation no warranty will be given and no liability will be accepted in case of damage of the varnish sealing If for extraordinary reasons for instance by previous damages a readjustment is exceptionally necessary the actuator should preferably be sent in for new factory adjustment Only if this is exceptionally not possible a
2. new coarse adjustment can be directly done with our agreement and acc to the following operating instruction Special information for actuators with integrated positioner No reaction of limit switch can occur when the positioner turns off the actuator to early before the valve is in the end position Don t readjust limit switch in this case control at first adjustment of positioner and correct it if necessary ee m Upper limit switch S een Add upper switch Add lower switch 5 o EI o l A So Lower limit switch ae Ve b ea ear Lower limit switch Fig 1 data subject to alteration 4E1_1BE DOC 0310522 kfm Electric actuator 4e1 B 4e1 E Operating instructions Page 2 of 2 01 02 03 04 05 06 07 08 09 10 11 12 13 detail X 14 15 16 17 19 20 18 Fig 2 No Ciesignation PartNo Limit switch for spindle position down eheo 6 Terminalbar KIA O 08 Mounting plate with wiring diagram eBHD 09 Limitswitch for spindle position up only for standard actuator voltage 230V 50 60Hz data subject to alteration 4E1_2BE DOC 0310522

Electric actuator 4e1 Operating instructions B 4e1... E

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