Table of contents
1MB..5/6 shaft height 71 ... 355
6 Operating Instructions, 07/2020, A5E41926185A
8 Operation ............................................................................................................................................. 91
8.1 Safety instructions for operation ........................................................................................ 91
8.1.1 Safety note for ventilation.................................................................................................. 95
8.1.1.1 Forced ventilation (optional): Cooling method IC 416 in accordance with
EN / IEC 60034-6 ................................................................................................................ 95
8.1.2 Switching on with the anti-condensation heating active ..................................................... 96
8.2 Switching on the machine ................................................................................................. 97
8.3 Switching off the external fan ............................................................................................ 97
8.4 Switching on again after an emergency switching-off......................................................... 97
8.5 Stoppages ......................................................................................................................... 97
8.5.1 Avoidance of damage to rolling bearings during stoppages ................................................ 99
8.5.2 Decommissioning the machine .......................................................................................... 99
8.5.3 Re-commissioning the machine.......................................................................................... 99
8.6 faults ............................................................................................................................... 100
8.6.1 Inspections in the event of faults ...................................................................................... 100
8.6.2 Electrical faults ................................................................................................................ 100
8.6.3 Mechanical faults ............................................................................................................. 101
8.6.4 Rolling bearing faults ....................................................................................................... 102
8.6.5 Faults at the external fan ................................................................................................. 102
9 Maintenance ...................................................................................................................................... 103
9.1 Customs union Eurasia (optional) ..................................................................................... 103
9.2 Inspection and maintenance ............................................................................................ 104
9.2.1 Safety instructions for inspection and maintenance .......................................................... 104
9.2.2 Inspections in the event of faults ...................................................................................... 106
9.2.3 First inspection after installation or repair......................................................................... 106
9.2.4 General inspection ........................................................................................................... 107
9.2.5 Assessing the rolling bearings .......................................................................................... 108
9.2.6 Mechanical explosion protection for rolling bearings ........................................................ 108
9.2.7 Bolt grade ........................................................................................................................ 109
9.2.8 Maintenance ................................................................................................................... 109
9.2.8.1 Explosion protection for machines with flameproof enclosure .......................................... 109
9.2.8.2 Explosion hazard due to increased surface temperature .................................................... 109
9.2.8.3 Insulation resistance and polarization index ..................................................................... 110
9.2.8.4 Regreasing intervals and types of grease for operating rolling-contact bearings ................ 110
9.2.8.5 Cleaning .......................................................................................................................... 112
9.2.8.6 Maintenance and repair of machines with type of protection flameproof enclosure .......... 112
9.2.8.7 Maintaining the external fan (forced ventilation) .............................................................. 113
9.2.8.8 Maintaining terminal box "Ex d"
....................................................................................... 114
9.2.8.9 Repainting ....................................................................................................................... 114
9.3 Corrective Maintenance ................................................................................................... 115
9.3.1 Extended motor marking ................................................................................................. 116
9.3.2 Anti-condensation heating ............................................................................................... 116
9.3.3 Rolling bearings ............................................................................................................... 117
9.3.3.1 Installing rolling bearings ................................................................................................. 118
9.3.4 Shaft sealing, mounting dimension "L" and alignment ...................................................... 119
9.3.5 O-ring seal ....................................................................................................................... 120
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