4.8 Travel limit switches .............................................................................................................................................................................................40
4.8.1 Monorail trolley...............................................................................................................40
4.8.2 Double rail trolley...........................................................................................................40
4.9 Electrical equipment .............................................................................................................................................................................................41
4.9.1 Supply cables.................................................................................................................41
4.9.2 Terminals........................................................................................................................41
4.9.3 Protection of equipment................................................................................................42
4.9.4 Emergency stop.............................................................................................................42
4.9.5 Runway conductor disconnecting means....................................................................42
4.9.6 Disconnect switch..........................................................................................................42
4.9.7 Connection fuses...........................................................................................................42
4.9.8 Electromagnetic compatibility.......................................................................................43
4.9.9 Overload safety device..................................................................................................44
4.9.10 Connecting to mains......................................................................................................45
4.9.11 Control and control functions........................................................................................46
4.9.12 Electric motors and related equipment........................................................................47
4.10 YK/SK hoists with frequency inverter (VFD) ....................................................................................................................................................47
4.11 Reeving rope ..........................................................................................................................................................................................................48
5Commissioning......................................................................................................................................................................................................53
6Operating.................................................................................................................................................................................................................54
6.1 Operating precautions..........................................................................................................................................................................................54
6.2 Duties of crane operator.......................................................................................................................................................................................56
6.3 Using control pendant..........................................................................................................................................................................................57
6.4 Operating hoist with frequency inverter ...........................................................................................................................................................58
6.5 Emergency stop.....................................................................................................................................................................................................58
7Inspection and maintenance...............................................................................................................................................................................59
7.1 Inspection intervals...............................................................................................................................................................................................60
7.2 Maintenance intervals...........................................................................................................................................................................................61
7.3 Motors......................................................................................................................................................................................................................62
7.4 Hoist motor brake (RSM)......................................................................................................................................................................................63
7.4.1 Checking brake..............................................................................................................63
7.4.2 Replacing brake disk (brake rotor)...............................................................................63
7.5 Hoist motor brake (NM) (pole-changing)...........................................................................................................................................................64
7.5.1 Checking brake..............................................................................................................64
7.5.2 Replacing brake disk (brake rotor)...............................................................................64
7.6 Hoist motor brake (NM) (4-pole)..........................................................................................................................................................................65
7.6.1 Checking brake..............................................................................................................65
7.6.2 Replacing brake disk (brake rotor ................................................................................65
7.7 Hoist motor brake (NM) 4HS................................................................................................................................................................................67
7.7.1 Checking brake..............................................................................................................67
7.7.2 Replacing brake disk (brake rotor)...............................................................................67
7.8 Travel motor brake ................................................................................................................................................................................................68
7.9 Hoist limit switch ...................................................................................................................................................................................................69
7.9.1 Hoist limit switch (standard)..........................................................................................69
7.10 Hoist limit switch ...................................................................................................................................................................................................70
7.10.1 Description of hoist limit switch system........................................................................70
7.10.2 Testing emergency hoist limit switch, version 1..........................................................70
7.10.3 Testing operational hoist limit switch, version 1..........................................................70
7.10.4 Testing emergency hoist limit switch, version 2..........................................................71
7.10.5 Testing operational hoist limit switch, version 2..........................................................71
7.10.6 Setting hoist limit switch................................................................................................72
7.10.7 Servicing hoist limit switch ............................................................................................75
7.11 Hook dimensions C for KE-S.. trolleys..............................................................................................................................................................76
7.12 Overload safety device.........................................................................................................................................................................................77
7.12.1 Testing overload safety device.....................................................................................77
7.12.2 Maintenance of overload safety device with pressure sensor...................................77
7.12.3 Maintenance of overload safety device with shear force sensor...............................77
7.13 Crane test................................................................................................................................................................................................................77
7.14 Rope drive...............................................................................................................................................................................................................78
7.14.1 Rope and rope attachment - general information .......................................................78
7.14.2 Replacement of wire rope due to broken wires...........................................................79