
Table of contents
1LA5/6/7/9, 1LG4/6, 1MA6/7, 1MB..1/2/3/4/5 - SH 63 ... 355
Operating Instructions, 06/2018, A5E44455710A 7
9.2.12 Risk of explosion due to damaged seals ..............................................................................119
9.2.13 Drain condensate..................................................................................................................120
9.2.14 Insulation resistance and polarization index.........................................................................120
9.2.15 Maintaining the external fan (forced ventilation)...................................................................121
9.2.16 Repainting.............................................................................................................................122
9.2.16.1 Paint finish resistant to sea air..............................................................................................122
9.2.16.2 Touch up any damaged paintwork........................................................................................122
9.3 Corrective maintenance........................................................................................................124
9.3.1 Extended motor marking.......................................................................................................124
9.3.2 Anti-condensation heating ....................................................................................................125
9.3.3 Sealing measures .................................................................................................................126
9.3.4 Rolling bearings ....................................................................................................................127
9.3.4.1 Replacing bearings in explosion-proof machines .................................................................128
9.3.4.2 Bearing bushes .....................................................................................................................128
9.3.4.3 Fitting bearings .....................................................................................................................129
9.3.4.4 Insulated roller bearings........................................................................................................130
9.3.5 Mounting dimension "x" ........................................................................................................131
9.3.6 Fan........................................................................................................................................131
9.3.6.1 Metal fan disassembly ..........................................................................................................132
9.3.6.2 Mounting fans .......................................................................................................................132
9.3.7 Cable entries, sealing plugs and thread adapters ................................................................132
9.3.8 Terminal boxes, end shields, grounding conductors, sheet metal fan covers......................133
9.3.9 Terminal board and grounding..............................................................................................133
9.3.10 Screw lock washers ..............................................................................................................133
9.3.11 Links......................................................................................................................................133
9.3.12 Reassembly: Miscellaneous information ..............................................................................134
9.3.13 Optional add-on units............................................................................................................134
9.3.14 O-ring seal ............................................................................................................................134
10 Spare parts ......................................................................................................................................... 135
10.1 Parts order ............................................................................................................................135
10.2 Data matrix code on the machine .........................................................................................135
10.3 Ordering data ........................................................................................................................135
10.4 Purchasing commercially available spare parts ...................................................................136
10.5 Ordering spare parts via the Internet ....................................................................................136
10.6 Roller bearings......................................................................................................................136
10.7 Anti-condensation heating ....................................................................................................137
10.8 Parts groups definition ..........................................................................................................137
10.9 Ordering example .................................................................................................................138
10.10 Machine parts .......................................................................................................................139
10.10.1 Part lists ................................................................................................................................139
10.11 Standardized parts................................................................................................................141
10.12 Exploded drawings................................................................................................................142
10.12.1 1LA,1MA shaft heights 63 ... 90L, 1MB shaft heights 63 ... 71 ............................................142
10.12.2 1LA,1MA shaft heights 100 ... 160........................................................................................143
10.12.3 1LA5180 ... 225.....................................................................................................................144