INTORQ BFK458 - Page 8

6 Electrical installation ............................................................................................................................................... 49
6.1 Electrical connection .......................................................................................................................................... 49
6.2 AC switching at the motor – extremely delayed engagement............................................................................ 50
6.3 DC switching at the motor – fast engagement ................................................................................................... 51
6.4 AC switching at mains – delayed engagement .................................................................................................. 52
6.5 DC switching at mains – fast engagement......................................................................................................... 53
6.6 Minimum bending radius for the brake connection line...................................................................................... 54
6.7 Technical specifications for the micro-switch..................................................................................................... 54
6.8 Bridge/half-wave rectifier (optional).................................................................................................................... 55
6.8.1 Assignment: Bridge/half-wave rectifier – brake size.............................................................................. 55
6.8.2 Technical specifications......................................................................................................................... 55
6.8.3 Reduced switch-off times ...................................................................................................................... 56
6.8.4 Permissible current load at ambient temperature.................................................................................. 56
7 Commissioning and operation ............................................................................................................................... 57
7.1 Protect the electrical connections against any contact or touching.................................................................... 57
7.2 Function checks before initial commissioning.................................................................................................... 58
7.2.1 Function check of the brake .................................................................................................................. 58
7.2.2 Release / voltage control....................................................................................................................... 58
7.2.3 Testing the hand-release functionality................................................................................................... 59
7.3 Commissioning................................................................................................................................................... 60
7.4 Operation ........................................................................................................................................................... 60
7.4.1 Brake torque reduction (for the optional adjustable braking torque)...................................................... 61
8 Maintenance and repair........................................................................................................................................... 62
8.1 Wear of spring-applied brakes ........................................................................................................................... 62
8.2 Inspections......................................................................................................................................................... 63
8.2.1 Maintenance intervals............................................................................................................................ 63
8.3 Maintenance....................................................................................................................................................... 63
8.3.1 Checking the components..................................................................................................................... 64
8.3.2 Check the rotor thickness...................................................................................................................... 64
8.3.3 Checking the air gap.............................................................................................................................. 65
8.3.4 Release / voltage................................................................................................................................... 65
8.3.5 Adjusting the air gap.............................................................................................................................. 66
8.3.6 Replace rotor......................................................................................................................................... 66
8.4 Spare parts list ................................................................................................................................................... 68
9 Troubleshooting and fault elimination................................................................................................................... 71
INTORQ | BA 14.0168 | 11/2018 8