valutazioni - 4, GPA: 4.5
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© Copyright 1985, 1992, 1999 General Electric Company 2 GEH-5304A Table of Contents Subject Page Introduction..............................................................................................................................5 Receiving..................................................................................................................................5 Storage ............................................................................................................................5 Handling ..........................................................................................................................6 Installation................................................................................................................................7 Location...........................................................................................................................7 Mounting .........................................................................................................................8 Alignment ........................................................................................................................8 Coupled Drive.........................................................................................................8 Alignment Procedure-Flexible Coupling, Non-Self-Supporting Bases..............8 Alignment Procedure-Flexible Couplings, Self-Supporting Bases.....................9 Grouting..................................................................................................................9 V-Belt Drives ..........................................................................................................9 Bearing Life.............................................................................................................9 Special Load Considerations..................................................................................11 Pinion Drives.........................................................................................................11 Thrust Loads.........................................................................................................11 Operation................................................................................................................................11 Inspection Before Starting..............................................................................................12 Bearings and Couplings .........................................................................................12 Commutator and Brushes.......................................................................................12 Rectified Power Supplies.......................................................................................12 Power Supply Identificaiton...................................................................................14 Connections ...................................................................................................................15 Protective Devices..........................................................................................................15 Motor Field Heating.......................................................................................................15 Thermostats ...................................................................................................................15 Speed Limit Device........................................................................................................16 Space Heater..................................................................................................................16 Ventilation System.........................................................................................................17 General Mechanical Inspection.......................................................................................17 Accessory Mounting ......................................................................................................18 Brakes............................................................................................................................18 Inspection After Starting................................................................................................18 Bearings ................................................................................................................18 Noise and Vibration...............................................................................................19 Inspection After Short Time In Service..................................................................19 Maintenance............................................................................................................................19 Disassembly ...................................................................................................................20 Reassembly .............................................................................