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7.3
Switching on .......................................................................................................................93
7.3.1
Test run..............................................................................................................................95
8
Operation ................................................................................................................................... 97
8.1
Safety instructions for operation .........................................................................................97
8.1.1
Safety instructions relating to ventilation and cooling ........................................................102
8.1.1.1
EN / IEC 60034-6 .............................................................................................................102
8.1.2
Switching on with the anti-condensation heating active .....................................................102
8.2
Switching on the machine .................................................................................................103
8.3
Switching off the external fan ............................................................................................103
8.4
Switching on again after an emergency switching-off ........................................................103
8.5
Stoppages ........................................................................................................................104
8.5.1
Avoidance of damage to rolling bearings during stoppages ...............................................105
8.5.2
Decommissioning the machine .........................................................................................105
8.5.3
Re-commissioning the machine ........................................................................................105
8.6
faults ................................................................................................................................106
8.6.1
Inspections in the event of faults .......................................................................................106
8.6.2
Electrical faults .................................................................................................................106
8.6.3
Mechanical faults .............................................................................................................107
8.6.4
Rolling bearing faults ........................................................................................................108
8.6.5
Faults at the external fan ..................................................................................................108
8.7
Deactivating .....................................................................................................................108
9
Maintenance ............................................................................................................................. 109
9.1
Customs union Eurasia (optional) .....................................................................................109
9.2
Inspection and maintenance .............................................................................................110
9.2.1
Safety instructions for inspection and maintenance ...........................................................110
9.2.2
Inspections in the event of faults .......................................................................................112
9.2.3
First inspection after installation or repair ..........................................................................112
9.2.4
General inspection ...........................................................................................................113
9.2.5
Assessing the rolling bearings ..........................................................................................114
9.2.6
Mechanical explosion protection for rolling bearings .........................................................114
9.2.7
Maintenance intervals.......................................................................................................115
9.2.8
Re-greasing .....................................................................................................................116
9.2.9
Cleaning ...........................................................................................................................116
9.2.10
Risk of explosion due to damaged seals ...........................................................................117
9.2.11
Drain condensate .............................................................................................................117
9.2.12
Insulation resistance and polarization index ......................................................................118
9.2.13
Maintaining the external fan (forced ventilation) ................................................................118
9.2.14
Repainting ........................................................................................................................119
9.3
Corrective maintenance ....................................................................................................120
9.3.1
9.3.2
Anti-condensation heating ................................................................................................122
9.3.3
Fundamentals ..................................................................................................................122
9.3.4
Rolling bearings ...............................................................................................................123
9.3.4.1
Replacing bearings in explosion-proof machines ..............................................................124
9.3.4.2
Fitting bearings.................................................................................................................124
6
1MB..1/2/3/4 - shaft heights 63 ... 355
Operating Instructions, 06/2020, A5E44455710A
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