8.11.4 Roller bearing faults...............................................................................................................82
8.11.5 Faults at the external fan........................................................................................................83
9 Maintenance...............................................................................................................................................85
9.1 Inspection and maintenance..................................................................................................85
9.1.1 Safety instructions for inspection and maintenance...............................................................85
9.1.2 Risk of explosion due to electrostatic charging......................................................................87
9.1.3 Inspections in the event of faults............................................................................................87
9.1.4 First inspection.......................................................................................................................87
9.1.5 General inspection.................................................................................................................88
9.1.6 Servicing the roller bearings...................................................................................................88
9.1.7 Maintenance...........................................................................................................................89
9.1.7.1 Insulation resistance and polarization index..........................................................................89
9.1.7.2 Grease stability times and mass of fillings.............................................................................90
9.1.7.3 Regreasing intervals and types of grease for operating rolling-contact bearings..................91
9.1.7.4 Alternative types of grease for the operation of roller bearings..............................................93
9.1.7.5 Cleaning the cooling air passages.........................................................................................94
9.1.7.6 Maintaining terminal boxes "Ex d"..........................................................................................95
9.1.7.7 Touch up any damaged paintwork.........................................................................................96
9.1.7.8 Repainting..............................................................................................................................96
9.2 Corrective Maintenance.........................................................................................................97
9.2.1 Assembling the rolling-contact bearings................................................................................98
9.2.2 Fixing stator cables at the terminal studs...............................................................................99
9.2.3 Seal the motor......................................................................................................................100
9.2.4 O-ring seal ...........................................................................................................................100
9.2.5 Anti-condensation heating spare parts.................................................................................101
10 Spare Parts...............................................................................................................................................103
10.1 Ordering data.......................................................................................................................103
10.2 Anti-condensation heating....................................................................................................104
10.3 Spare parts list, frame sizes 071 to 132...............................................................................105
10.4 Spare parts list, frame sizes 160 to 280...............................................................................106
10.5 Spare parts list, frame size 315............................................................................................108
10.6 Spare parts list, frame size 355............................................................................................109
10.7 Spare parts list for terminal boxes with type of protection "Ex e", frame sizes 071-160......111
10.8 Spare parts list for terminal boxes with type of protection "Ex e", frame sizes 180-225......112
10.9 Spare parts list for terminal boxes with type of protection "Ex e", frame sizes 250 to 355....113
10.10 Spare parts list for terminal boxes with type of protection "Ex i"..........................................114
11 Disposal....................................................................................................................................................115
11.1 RoHS - restricting the use of certain hazardous substances...............................................115
11.2 Dismantling the machine......................................................................................................115
11.3 Disposal of components.......................................................................................................116
Table of contents
LOHER CHEMSTAR 1PS2
8 Operating Instructions 08/2016
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