ABB REX 521, Operating Manual

Page 1: ... OPER ATING GUIDE Relay Retrofit Program for REX 521 Cutting Tool Operating Guide ...

Page 2: ...so responsible are hereby requested to ensure that all measures are taken to exclude or mitigate such risks This product has been designed to be connected and communicate data and information via a network interface which should be connected to a secure network It is the sole responsibility of the person or entity responsible for network administration to ensure a secure connection to the network ...

Page 3: ...Website http www abb com mediumvoltage 1 3 Symbols The warning icon indicates the presence of a hazard which could result in personal injury The caution icon indicates important information or warning related to the concept discussed in the text It might indicate the presence of a hazard which could result in corruption of software or damage to equipment or property The information icon alerts the...

Page 4: ... widen the existing cut out To the left or to the right depending of the switchgear lay out free space on it Figure 2 Left cutting Figure 3 Right cutting Figure 1 REX521RRP with REF615 replacement relay C A B C A B A 179 mm 1 new cut out width B 136 mm 1 old cut out width C 254 mm 1 ...

Page 5: ...e is not enough free space for the gatherer see Figure 5 and Figure 6 the cutting head can be used without the gatherer However safety concerns must be addressed As the cutoffs may fly from the cutting head make sure to pick up all the cutoffs and clean dust after the work is completed 5 10 E B C D B A F 8 1 6 2 4 9 3 7 1 10 5 E B C D B A F 3 6 1 7 9 4 8 2 1 G C D B E A F 3 6 1 7 9 4 8 2 1 2 Figur...

Page 6: ... the work before before installing REX521RRP Note The file is not included in the cutting tool kit 1 3 2 4 5 6 7 6 1 Cutting head 2 Offcut gatherer part of the cutting head 3 Vent lever 4 Operating switch 5 Power unit 6 Battery 7 Battery charger Figure 7 Cutting tool kit components Figure 8 File ...

Page 7: ...rod transmitting power to the punching head 3 Punch 4 Cutting head ID When assembled correctly the same text should appear in both the die and punch 5 Coil springs 2 pcs The punch moves backwards to the starting position when the vent lever is pressed 6 Die 7 Nut holding the cutting head parts together 8 Lock pin for locking the nut 9 Gatherer for collecting offcuts 10 Gatherer fixing screws 2pcs ...

Page 8: ...o the feed rod 2 Notice the position of the REX 521 marking on the punch 3 Install the two coil springs 5 to their slots in the punch 3 4 Install the die 6 to the feed rod 2 Ensure the correct die position with the marking in the die Check that the coil springs 5 go to their slots in die ...

Page 9: ...the nut so that the hole in the nut and the groove in the feed rod are aligned Add the lock pin 8 to the hole in the nut 8 Add the gatherer 9 to the die 6 part of the cut ting head with M6 socket screws 10 Use tightening torque of 4 2 5 2 Nm The cutting tool kit includes a socket screw key ISO 2936 5 for the M6 screws ...

Page 10: ...de 9 Check and correct the gatherer alignment with the cutting head Ready installed cutting head with the gatherer After assembling the cutting head insert the bat tery to the power unit The battery can be inserted from either side ...

Page 11: ...cut out from the front The low voltage compartment must be de energized during the hole cutting procedure and installation of the new replacement relay Ensure that there is enough space to operate the cutting tool in all intended directions Check the space required by the new replacement relay The cutting tool operation needs space around the cut out 1 Remove the existing device 2 Release the sign...

Page 12: ...tting Tool Operating Guide 6 Release the four fixing brackets 4 Release the protective ground wire 5 After the wires have been released the whole de vice can be released Remove the four fixing bracket screws ...

Page 13: ...yout free space For your safety keep your hands on the power unit never on the cutting head Beware of the sharp edges Use safety gloves protective glasses hearing protectors and a hard hat 7 After releasing all the four fixing brackets remove the device 2 Check that the cutting head is correctly installed The marking REX 521 should be on the same side on the punch and the die ...

Page 14: ...ut edges to the top edge and to the right edge side if the right edge widening cutting is valid For your safety keep your hands on the power unit never on the cutting head Beware of the sharp edges 5 Push the vent lever to ensure that the punch is released after each cut In some cases additional force is needed to push the vent lever Vent lever 6 Make five cuts 1 5 6 10 one below the other see fig...

Page 15: ...Cutting Tool Operating Guide 15 The fourth cut 7 For the fifth cut push the cutting head which is guiding the faces firmly against the bottom side edge ...

Page 16: ...he relay compartment to avoid spreading dust 1 After each relay cut out ten separate cuttings empty the offcut gatherer For safety reasons remove the battery first Ensure that no offcuts remain inside the switchgear if the offcut gatherer was not used 8 Finalizing the cutout 4 Clean dust and any remaining offcuts ...

Page 17: ...ainst the panel cut out 1 It is advisable to coat bare surfaces for example with cold galvanized compounds in case of corrosive atmosphere Install the new replacement relay 3 Add the four fixing brackets 4 Tighten all the four fixing bracket screws step by step Use tightening torque of 1 3 1 7 Nm ...

Page 18: ...de wire connectors with their fixing screws to the male side connectors Use a type PH 0 or PZ 0 ISO 8764 2 screwdriver Use tightening torque of 0 2 Nm 8 Finish the work and close the door 7 Install the current and voltage wires Only use screwdriver and insert bits for Phillips PH 1 cross recessed screws M3 5 Use tightening torque of 0 8 1 2 Nm ...

Page 19: ...Cutting Tool Operating Guide 19 ...

Page 20: ...ail ABB OY does not ac cept any responsibility whatsoever for po tential errors or possible lack of information in this document We reserve all rights in this document and in the subject matter and illustrations con tained therein Any reproduction disclo sure to third parties or utilization of its contents in whole or in parts is forbidden without prior writ ten consent of ABB OY Copyright 2018 AB...