INTORQ | BA 14.0168 | 09/2015
6
6
Electrical installation.............................................................................................................................................42
6.1
Electrical connection ....................................................................................................................................42
6.2
AC switching at the motor – extremely delayed engagement ......................................................................43
6.3
DC switching at the motor – fast engagement .............................................................................................44
6.4
AC switching at mains – delayed engagement ............................................................................................45
6.5
DC switching at mains – fast engagement...................................................................................................46
6.6
Technical specifications for the microswitch ................................................................................................47
6.7
Bridge/half-wave rectifier (optional)..............................................................................................................47
6.7.1 Assignment: Bridge/half-wave rectifier – brake size ........................................................................48
6.7.2 Technical specifications ...................................................................................................................49
6.7.3 Reduced switch-off times .................................................................................................................49
6.7.4 Permissible current load at ambient temperature ............................................................................50
7
Commissioning and operation.............................................................................................................................51
7.1
Protect the electrical connections against any contact or touching..............................................................51
7.2
Function checks before commissioning .......................................................................................................52
7.2.1 Function check of brake without microswitch ...................................................................................52
7.2.2 Release / voltage check for brakes without microswitch ..................................................................52
7.2.3 Release / voltage check for brakes with microswitch .......................................................................52
7.2.4 Microswitch – checking for wear ......................................................................................................53
7.2.5 Test that the manual release functions ............................................................................................54
7.3
Commissioning.............................................................................................................................................55
7.4
Operation .....................................................................................................................................................55
7.4.1 Brake torque reduction .....................................................................................................................56
8
Maintenance and repair ........................................................................................................................................57
8.1
Wear of spring-applied brakes .....................................................................................................................57
8.2
Inspections ...................................................................................................................................................58
8.2.1 Maintenance intervals ......................................................................................................................58
8.3
Maintenance.................................................................................................................................................58
8.3.1 Checking the component parts ........................................................................................................59
8.3.2 Check the rotor thickness ................................................................................................................59
8.3.3 Check the air gap .............................................................................................................................59
8.3.4 Release / voltage .............................................................................................................................60
8.3.5 Adjusting the air gap ........................................................................................................................60
8.3.6 Replacing the rotor ...........................................................................................................................61
8.4
Spare-parts list .............................................................................................................................................62
9
Troubleshooting and fault elimination ................................................................................................................64
Summary of Contents for BFK458-06***25
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