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Summary of Contents for Siemens CGV
- Page 1 Installation Induction Motors/ Operation Generators Maintenance Large Frame Vertical 680, 800, 1120 Frames Types CGV, CGHS, CGIIV, CGIIHS, CGGV, CGGHS, CAZV, CAZHS, CAZBV, CAZBHS ANIM-03535-0814 (Supercedes all previous issues of ANIM-03535) ©2014 Siemens Industry, Inc. All rights reserved.
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Page 2: Table Of Contents
The sales contract contains the entire obligation of Siemens. The warranty contained in the contract between the parties is the sole warranty of Siemens. Any statements contained herein do not create new warranties or modify the existing warranty. Siemens machines are built in accordance with the latest applicable revision of the National Electric Code, Underwriters Laboratories Standards and Procedures, and NEMA (National Electrical Manufacturers Association) Standards. -
Page 3: Safety Procedures
Safety Procedures This equipment contains hazardous voltages. Death, Do not operate this equipment in excess of the values serious personal injury or property damage can result given on nameplate or contrary to the instructions if safety instructions are not followed. contained in this manual. -
Page 4: Introduction
Make the examination before removing from cars or trucks. If damage or indication of rough handling is evident, file a claim with the carrier at once, and notify your Siemens sales representative. Remove only the shipping invoice. Do not remove tags pertaining to lubrication, operation and storage instructions. -
Page 5: Handling
Energize space heaters, if supplied. NOTE Storage requirements vary, depending on the length of storage and the climate. For storage periods of thirty (30) days or longer or climate variations, consult Siemens Storage Recommendations ANIM-03114. Storage maintenance is to be documented for warranty information. -
Page 6: Installation
Installation Mounting NOTE Mount the machine securely and align accurately with The information contained in this book is intended to the driven equipment. assist operating personnel by providing information on 1. Direct mounted to driven/drive equipment: the two the general characteristics of the purchased equipment. units must be firmly secured and the driven IT DOES NOT relieve the user of the responsibility of equipment placed on an adequate foundation. -
Page 7: External Wiring
Installation Hollow Shaft Motors External Wiring The motor should be set on its base first, and the driven shaft inserted through the hollow shaft. There DANGER are times, however, when these motors are lifted and lowered over the driven shaft. In either case, do not Hazardous voltage. -
Page 8: Changing Direction Of Rotation
Installation Generally, the reed frequency of the unit alone Changing Direction of Rotation mounted on an infinite mass is at least 15% above or Look for rotation plates usually mounted on opposite below the unit operating speed. If the system reed drive end of the motor. -
Page 9: Shimming Technique
Installation Alignment Procedure (Hollow Shaft) Shimming Technique Hollow shaft units require accurate alignment with To avoid the possibility of twisting the flange when respect to the unit shaft and the driven/drive equipment shimming between the flanges, minor shims should be shaft. -
Page 10: Tests Before Operation
Installation Tests Before Operation NOTE Insulation Resistance If normal vibration or noise will be objectionable (as in Check insulation resistance prior to connecting motor Instruments that operate on the principle of the Kelvin to power supply. A hand cranked or solid state Bridge are preferred. -
Page 11: Typical Motor Control Settings
Installation Typical Motor Control Settings Trip Timer Trip Alarm (Shutdown) Setting Winding Temperature • Class B Insulation 130°C 155°C • Class F Insulation 155°C 170°C Motor Bearing Temperature (Thermocouple or RTD’s) 90°C 95°C • Sleeve Bearing 100°C 105°C • Antifriction Bearing 4 Amps 8 Amps 0.2 sec. -
Page 12: Operation
Investigate the cause and correct before putting motor in service. Do not exceed number of Siemens specified hot and 7. If drive cannot be disconnected, interrupt the cold starts per hour. starting cycle after motor has accelerated to low Will cause overheating. -
Page 13: Normal Operation
Operation Relubricate Bearings (see Bearings Section). Remove Desiccant (if present). Test Insulation Resistance (see Tests Before Operation). Regardless of the method of storage, the windings of every motor should be tested prior to placing in service. See Insulation Resistance Section under Corrective Maintenance Section. -
Page 14: Trouble Shooting
Operation Trouble Shooting DANGER Hazardous voltage. Between regular maintenance inspections, be alert for signs of motor trouble. Common Will cause death, serious injury, symptoms are listed in the following table. electrocution or property damage. Correct any trouble immediately and AVOID Disconnect all power before working on COSTLY REPAIR AND SHUT DOWN. - Page 15 Operation Trouble Shooting DANGER Hazardous voltage. Will cause death, serious injury, electrocution or property damage. Disconnect all power before working on this equipment. TROUBLE POSSIBLE CAUSES CORRECTION Motor overheating High ambient. Check air inlet temperature. (continued…) Open stator windings. Disconnect motor from load. Check idle amps for balance in all three phases.
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Page 16: Maintenance
Will cause death, serious injury, the purchaser’s purposes, the matter should be electrocution or property damage. referred to the local Siemens Sales Office. Disconnect all power before working on this equipment. Maintenance should be performed WARNING only by qualified personnel. -
Page 17: Corrective Maintenance
Maintenance Loading Vibration Overloading causes overheating reduces Most problems can be detected when inspected insulation life. A winding subjected to a 10°C visually. Check for; temperature rise above the maximum limit for its class may have its insulation life halved. 1. -
Page 18: Rotor Cleaning
Water and detergents with an oven drying cycle may hours. be used as an alternate on MICLAD™ VPI insulation systems. Insulation Drying Temperature* MICLAD™ is a Siemens trademark. Class “B” Class “F” Class “H” 200°F 245°F* 275°F*... -
Page 19: Bearings
Maintenance A uniform temperature must be maintained in the When this method is used on the stator, the stator motor to obtain constant resistance readings. When phases may be connected in series or in parallel to the megger readings remain constant, the drying suit the available power supply if both ends of all process is complete and may be discontinued. - Page 20 Maintenance For best results, grease should be compounded of a 3. Remove the drain plug (and overflow plug, if so polyurea type and a good grade of petroleum oil and equipped) and clean out any hardened grease. stabilized against oxidation. 4.
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Page 21: Bearing Replacement
Maintenance Bearing Lubricants - Oil 5. Angular contact type bearing replacements must be equivalent in angle of contact. 40% contact SSU at Typical Bearing Type angle is standard. 100°F 6. The complete A.F.B.M.A. bearing number from ISO VG the motor nameplate. 300-350 Antifriction Bearing 700-800... - Page 22 Maintenance To Replace Bearings Protect the shaft end with a cap. If bearing is reusable, make certain the puller applies pressure against the 1. Remove bolts holding bearing housing to yoke. bearing inner race only. If puller will not hook the bearing 2.
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Page 23: Kingsbury-Type Bearings
Maintenance Upper Guide (Upthrust) Bearing NOTE The upper guide (upthrust) bearing with a Kingsbury- Spherical roller thrust bearings are spring loaded and type bearing is located just above the rotating thrust require a positive down thrust in addition to the rotor weight to prevent up thrust on lower guide bearing runner and is mounted in the stationary thrust plate. - Page 24 Maintenance To test the tubing for water-tightness empty the oil Cleaning reservoir, and if possible raise water pressure 50% All parts of the bearing and housings must be above normal and observe for a period of time for thoroughly cleaned before assembly. leaks.
- Page 25 Maintenance UPPER BEARING ARRANGEMENTS Figure 7 Figure 8 - 24 -...
- Page 26 Maintenance LOWER BEARING ARRANGEMENTS Figure 9 Figure 10 Figure 11 - 25 -...
- Page 27 Maintenance Self Release Coupling Arrangement At Top Of Motor Figure 12 - 26 -...
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Page 28: Shaft Or Flange Face Runout
Maintenance Eccentricity Face Runout Shaft or Flange Face Runout Mounting Surfaces Because inspection of flange faces, eccentricity and shaft runout is rigorously enforced at the factory, The eccentricity and face runout of the mounting vibrations caused by this alignment problem are rare surfaces is measured with indicators mounted on the and usually if shaft runout, face runout, or eccentricity shaft extension. -
Page 29: Spare Parts
Spare Parts It is important when ordering spare parts or discussing Identification service to have as much data from this plate as All units have an identification nameplate affixed to the possible. frame (Figure 15). All the necessary information pertaining to the motor can be found on this plate Parts Identification including;... - Page 30 Spare Parts Figure 16 - 29 -...
- Page 31 Spare Parts Figure 17 - 30 -...
- Page 32 Spare Parts Figure 18 - 31 -...
- Page 33 Spare Parts Figure 19 - 32 -...
- Page 34 Spare Parts Figure 20 - 33 -...
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Page 35: Vertical Solid & Hollow Shaft Nomenclature
Spare Parts Applicable to Hollow Shaft Only Vertical Solid & Hollow Shaft Nomenclature Rigid Coupling or Bolted Coupling - The member to which the pump shaft is keyed. Coupling is bolted Angular Contact Bearing - An antifriction thrust to the Thrust Block so that during startup the Guide bearing capable of taking high thrust in one axial Bearing will carry the momentary upthrust. -
Page 36: Motor Service Record
Weather Protected Date Location Application Installed Date Repaired Repaired Total Repairs or Parts Replaced Fault or Replaced Cost No. Per Name of Part Siemens No. Date Cost Date Cost Motor Repl. Repl. Rotor Stator Coils Bearing, DE Bearing, ODE Other INSPECTION... - Page 37 Notes __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ - 36 -...
- Page 38 Siemens Industry, Inc. Norwood Motor Plant 4620 Forest Avenue Norwood, OH 45212-3396 (513) 841-3100 ANIM-03535-0814 (Supercedes all previous issues of ANIM-03535) ©2014 Siemens Industry, Inc. All rights reserved.