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8.9 Faults

8.9.1 Inspections in the event of faults

Natural disasters or unusual operating conditions, such as overloading or short circuit, are

faults that overload the machine electrically or mechanically.

Immediately perform an inspection after such faults.

Correct the cause of the fault as described in the respective remedial measures section. Repair

any damage to the machine.

Operation

8.9 Faults

SIMOTICS DC 1GG6

Operating Instructions 02/2016 77

Table of Contents5
Introduction13
About These Instructions13
Safety Notes15
Information for the Nominated Person in Control of the Electrical Installation15
The Five Safety Rules15
Qualified Personnel16
Safe Handling16
Electrostatic Sensitive Devices18
Electromagnetic Compatibility19
Interference Immunity19
Influence on the Line Power Supply through a Strongly Irregular Torque19
Electromagnetic Fields When Operating Electrical Power Engineering Installations20
Description21
Image21
Block Diagram of Motor Type 1GG21
Table 3-1 Insulation Classes22
Table 3-2 Machine Design22
Table 3-3 Data on the Rating Plate23
Image 3-2 Schematic Rating Plate23
Preparations for Use25
Safety-Related Aspects to Consider When Configuring the Plant25
Observing the Operating Mode25
Noise Emissions25
Ensuring Cooling26
Interlock Circuit for the External Fan Motor26
System-Inherent Frequencies26
Torsional Loading of the Drive Train Due to Faults in the Electrical Supply27
Transport and Storage27
Transport Markings27
Checking the Delivery27
Attaching the Rotor Shipping Brace Prior to Storage28
Checking the Load Handling Attachments28
Requirements for Safe Lifting and Transporting29
Transporting the Machine Set30
Lifting and Transporting the Machine30
Image 4-1 Rotor Shipping Brace Without Coupling (1) and with Coupling (2)30
Table 4-1 Tightening Torques for the Shaft Screw on the Rotor Shipping Brace31
Storage32
Protection against Corrosion34
Assembling35
Preparations for Installation35
Requirements for Installation35
Insulation Resistance and Polarization Index36
Testing the Insulation Resistance and Polarization Index36
Table 5-1 Stator Winding Insulation Resistance at 40° C37
Preparing the Mating Faces39
Lift the Machine to Where It will be Installed, and Position It39
Preconditions for Correct Alignment and Secure Attachment39
Checking the Load Handling Attachments40
Removing the Rotor Shipping Brace40
Removing Anti-Corrosion Protection41
Mounting the Output Elements42
Image 5-1 Balancing Type on the Drive-End Side42
Image42
Lifting and Transporting the Machine43
Putting the Machine down45
Drain Condensate45
Roughly Aligning the Machine45
Installing the Machine46
Safety Instructions for Installation46
Selecting Fixing Screws47
Preconditions for Smooth, Vibration-Free Operation47
Aligning the Machine to the Driven Machine and Attaching It to It (Foundation Mounting)47
Table 5-2 Permissible Deviations for Aligning the Machine with Flexible Coupling48
Schematic Diagram: Aligning the Machine to the Driven Machine48
Aligning the Machine to the Driven Machine and Attaching It to It (Flange Mounting, Vertical)49
Aligning the Machine to the Driven Machine and Mounting (Flange, Horizontal IM B5)49
Mounting the Machine50
Axial and Radial Forces50
Ensuring Cooling by Means of External Fans51
Electrical Connection53
Selecting Cables53
Bringing in and Routing the Cables53
Terminal Designations54
Connecting Cables54
Table 6-1 Terminal Designations in Example B154
Connecting the Main Circuit55
Table 6-2 Terminal Box Connection Data55
Image 6-1 Connection of Main Terminals with Cable Lug56
Image 6-2 Connection of Auxiliary Terminals with Cable Lug56
Image56
Connection Without Cable Lugs56
Connecting the Grounding Conductor57
Table 6-3 Tightening Torque of Screws with Cable Lugs57
Internal Equipotential Bonding58
Connecting the Auxiliary Circuits58
Table 6-4 Tightening Torque of Screws with Ground Terminals58
Connecting an External Fan Motor60
Connecting Temperature Monitoring for the Stator Winding60
Completing Connection Work61
Commissioning63
Preparing for Commissioning63
Measure the Insulation Resistance before Commissioning64
Greasing the Roller Bearings Prior to Commissioning64
Minimum Radial Forces for Cylindrical Roller Bearings65
Commissioning an External Fan66
Table 7-1 Minimum Radial Forces66
Switch on67
External Fan with Cover Sheet67
Image67
Overspeed68
Switch off69
Operation71
Switching on the Machine72
Regreasing Roller Bearings73
Deactivating73
Switching on Again after an Emergency Switching-Off73
Stoppages73
Table 8-1 Vibration Magnitude as a Function of Vibration Frequency73
Measures in Non-Operational Periods74
Avoidance of Damage to Roller Bearings During Stoppages75
Measurement of the Insulation Resistance after an Extended Stoppage75
Decommissioning the Machine76
Re-Commissioning the Machine76
Special Operating Conditions76
Faults77
Inspections in the Event of Faults77
Faults in Operation78
Faults at the External Fan78
Table 8-2 Faults in Operation78
Table 8-3 Cooling System Faults78
Roller Bearing Faults79
Table 8-4 Roller Bearing Faults79
Brush Faults80
Table 8-5 Brush Faults80
Commutator Faults81
Table 8-6 Commutator Faults81
Maintenance83
Inspection and Maintenance83
Initial Inspection84
Mttr86
Main Inspection86
Table 9-1 MTTR in Fault-Free Operation86
Regreasing Rolling-Contact Bearings87
Regreasing Intervals and Grease Types88
Clean the Machine89
Checking the Carbon Brushes89
Replacing the Carbon Brushes90
Setting the Brush Rocker and Brush Holder91
Maintaining the Commutator91
Adjusting the Brush Rocker: Fixed Part (1), Brush Rocker (2)91
Image91
Maintaining Terminal Boxes93
Reworking the Slots93
Image93
Final Work on the Commutator after Skimming93
Touch up any Damaged Paintwork94
Repair94
Prepare Servicing Work95
Disassembling the Machine96
Removing Rolling-Contact Bearings97
Installing the Machine97
Mounting the Rolling-Contact Bearings98
Replacing the Speed Encoder99
Speed Sensor with Conical Hub99
Speed Sensor for Overhung Mounting100
Speed Sensor Assembly100
Image100
Speed Sensor Assembly101
Image101
Speed Sensor for Construction Type IM B5102
Image103
Spare Parts105
Ordering Data105
Ordering Spare Parts Via the Internet106
Using Commercially Available Spare Parts106
Stator and Rotor, Shaft Height 160107
Side View 1G.6 Shaft Height 160107
Image107
Front View 1G.6 with Shaft Height 160107
Detail X Brush Holder 1G.6 Shaft Height 160108
Image108
Stator and Rotor, Shaft Heights 180 to 280109
Side View 1G.6, 1H.6 Shaft Heights 180 to 200109
Image109
Front View 1G.6, 1H.6 Shaft Heights 180 to 200109
Detail X Brush Holder 1G.6, 1H.6 Shaft Heights 180 to 200110
External Fan111
Image 10-7 External Fan 1GG6111
Image111
Rolling-Contact Bearing112
Rolling-Contact Bearing for 1G.6, 1H.6, Shaft Height 160 Without Regreasing Device, Drive End112
Rolling-Contact Bearing for 1G.6, 1H.6, Shaft Height 160 Without Regreasing Device, Non-Drive End113
Rolling-Contact Bearing for 1G.6, 1H.6, Shaft Height 160 with Regreasing Device, Drive End114
Drive End114
Rolling-Contact Bearing for 1G.6, 1H.6, Shaft Heights 180 to 200 Without Regreasing Device, Drive End116
Rolling-Contact Bearing for 1G.6, 1H.6, Shaft Heights 180 to 200 Without Regreasing Device, Non-Drive End117
Rolling-Contact Bearing for 1G.6, 1H.6, Shaft Heights 180 to 200 with Regreasing Device, Drive End118
Rolling-Contact Bearing for 1G.6, 1H.6, Shaft Heights 180 to 200 with Regreasing Device, Non-Drive End119
Rolling-Contact Bearing for 1G.6, 1H.6, Shaft Heights 225 to 280 with Regreasing Device, Drive End120
Rolling-Contact Bearing for 1G.6, 1H.6, Shaft Heights 225 to 280 with Regreasing Device, Non-Drive End121
Rolling-Contact Bearing Seal 1G.6, 1H.6, 1G.7, 1H.7122
Sealing for Rolling-Contact Bearing for 1H.6, 1G.6122
Image122
Terminal Boxes123
Main Terminal Box Gk 602 / Gk 702123
Main Terminal Box Gk 602 / 702123
1XB7700 Terminal Box125
Image 10-10 1XB7700 Main Terminal Box125
1XB7710 Main Terminal Box126
Image 10-11 Main Terminal Box 1XB7710126
1XB7942 Main Terminal Box127
Image 10-12 Main Terminal Box 1XB7942127
Auxiliary Terminal Box128
Image128
Speed Sensor129
Shaft Height 160129
Speed Sensor with Conical Hub129
Image 10-14 Speed Sensor with Conical Hub for Shaft Height 160129
Speed Sensor for Overhung Mounting130
Image 10-15 Speed Sensor for Overhung Mounting for Shaft Height 160130
Speed Sensor for Construction Type IM B5131
Image 10-16 Speed Sensor for Construction Type IM B5 for Shaft Height 160131
Shaft Heights 180 to 630132
Speed Sensor with Conical Hub132
Image 10-17 Speed Sensor with Conical Hub for Shaft Heights 180 to 630132
Speed Sensor for Overhung Mounting133
Image 10-18 Speed Sensor for Overhung Mounting for Shaft Heights 180 to 630133
Speed Sensor for Construction Type IM B5134
Image 10-19 Speed Sensor for Construction Type IM B5 for Shaft Heights 180 to 630134
Disposal135
Introduction135
Rohs - Restricting the Use of Certain Hazardous Substances135
Country-Specific Legislation135
Dismantling the Machine135
Disposal of Components136
Service and Support137
Technical Data and Drawings139
Tightening Torques for Screw and Bolt Connections139
Quality Documents141
Checklists143
Switching on144
Commissioning145
Inspection at Standstill146
Inspection When the Motor Is Running147
Index149

Brand	Siemens
Model	SIMOTICS DC 1GG6
Category	Engine
Language	English

Siemens SIMOTICS DC 1GG6 User Manual

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