GE Custom 8000, Instructions Manual

Page 1: ...or should particular problems arise which are not covered sufficiently for the purchaser s purposes the matter should be referred to GE Industrial Control Systems Custom 8000 is a registered trademar...

Page 2: ...Storage 5 Installation 7 Alignment and Coupling 9 Wiring and Grounding 11 Operation General 13 Maintenance General 19 Maintenance Grease Recommendation 23 Maintenance Drive End Bearing 25 Maintenance...

Page 3: ...to machinery with high noise levels use proper care and procedures in handling lifting installing operating and maintaining the equipment before operating replace any covers that have been removed for...

Page 4: ...following National Electrical Manufacturers Association 2101 Street N W Washington DC 20037 American National Standards Institute 1430 Broadway New York NY 10018 Attention Sales Department The Institu...

Page 5: ...SONNEL OR BOTH Always lift or move the unit with all assembly bolts screws and studs in place secured with the shaft clamp in position when supplied supplied on machines with sleeve bearings only Mach...

Page 6: ...storage must be protected from moisture condensation on the windings and other critical parts To prevent condensation energize the machine s space heaters to keep the machine temperature above the ro...

Page 7: ...F SUPPLIED SHOULD NOT EXCEED 80 PERCENT OF THE IGNITION TEMPERATURE REFER TO FACTORY FOR INFORMATION ON SURFACE TEMPERATURE DUST AND OR LINT SHOULD NOT BE ALLOWED TO BUILD UP AROUND THE SURFACE OF THE...

Page 8: ...be firmly attached to the foundation to withstand the applied torques and normal vibration forces It is also imperative that they be supported evenly on the foundation and be located in a level plane...

Page 9: ...nufacturer If a machined vertical surface is not accessible on one or both coupling halves feeler or block gauges may be substituted for the two dial indicators in performing the angular alignment che...

Page 10: ...Fig 2 Mark the locations of the indicating button with a visible mark Set the two dial indicators to zero Then with each coupling a full end float rotate the two coupling halves in 90 degree increment...

Page 11: ...5 This check may prevent having to break the electrical connections later The stator winding leads are terminated with connectors for bolting to corresponding connectors on the cable from the owner s...

Page 12: ...ide of the accessory terminal box cover This gasketed cover should be kept closed to prevent the entrance of moisture dust and conducting particles The gasketed cover should be kept closed to prevent...

Page 13: ...sulting unbalance in currents will in general be significant For example the locked rotor current will be unbalanced by the same percentage as the voltage but at operating speed the percentage unbalan...

Page 14: ...RESULT IN INJURY TO PERSONNEL Insulation resistance is determined by applying a dc voltage typically 500 or 1000 Volts across insulation measuring the current flow after the voltage has been applied f...

Page 15: ...oubling the insulation resistance for each 10C reduction in temperature for conditions above the dew point It has been found to be reasonable for new windings The polarization index is frequently help...

Page 16: ...red Initial test run The starting current of a motor is several times the rated current This starting current causes the windings to heat at a much higher rate than normal and causes the windings to h...

Page 17: ...nce with NEMA Standard MG 1 20 52 and MG 1 20 53 to be within the following limits unless otherwise specified in the sales contract Speed RPM Maximum Peak to Peak Amplitude Inches on Bearing Housing M...

Page 18: ...rent forces on the winding end turns are many times greater than the normal condition For the above reasons the frequency of starts and the magnitude of rotational inertia of the connected load must b...

Page 19: ...repairs in the course of its life it is recommended that they be done in a General Electric Service Shop WARNING BEFORE INITIATING MAINTENANCE PROCEDURES DISCONNECT ALL POWER SOURCES TO MACHINES AND A...

Page 20: ...n will vary with the item being inspected and with the severity of local environmental conditions Certain items such as winding temperature bearing temperature and vibration amplitude should be monito...

Page 21: ...ndicate its general condition and allows room for cleaning with a flexible vacuum hose When the rotor is removed on a less frequent schedule more of the winding is accessible For a routine inspection...

Page 22: ...are required for drying a winding with circulating current The winding should be thoroughly cleaned in order to remove dirt and contamination as an important part of the program to increase the insul...

Page 23: ...located on the outboard side of the end shield at the bottom of the bearing housing and make certain that the grease relief hole is free of hardened grease The grease fitting is located at the end of...

Page 24: ...hing liquid through the housing while the machine is operating Flush until no grease comes out with the liquid For flushing use hot mineral oil not more than 100 C or 212 F 4 Continue the cleaning by...

Page 25: ...though high quality design and workman ship are incorporated in a bearing it sometimes becomes necessary to remove if for maintenance It is for this reason that the following instructions are include...

Page 26: ...th Reassembly of the bearing should be performed in the following manner 1 Inspect the bearing housing and related parts for foreign material Clean if necessary 2 The machined fits and critical surfac...

Page 27: ...acement Even though high quality design and workman ship are incorporated in a bearing it sometimes becomes necessary to remove if for maintenance It is for this reason that the following instructions...

Page 28: ...hould be performed in the following manner 1 Inspect the bearing housing and related parts for foreign material Clean if necessary 2 The machined fits and critical surfaces of the end shield bearing h...

Page 29: ...IS RECOMMENDED TROUBLE SHOOTING CHART Trouble Possible Cause Action Motor will not start Power not connected Connect power to control and control to motor Check contacts Low Voltage Check motor namepl...

Page 30: ...e Overheating Overloaded Measure loading with ammeter and compare with full load current on nameplate Reduce load Electrical load unbalance Check for voltage unbalance or single phasing Restricted ven...

Page 31: ...nd up or damaged Replace seals Bearings Noisy or Vibrating Defective bearings or rough journal Replace bearings or resurface shaft antifriction type Wrong grade of grease Remove old grease and relubri...

Page 32: ...t and repair Synchronous generator Failure of the machine to Wrong connections Check stator rotor and exciter connections check regulator wiring produce rated output Open circuits Test by ring out cir...

Page 33: ...al Induction Motor WPI Antifriction Bearing BOLT TIGHTENING REFERENCE Bolt size Torque in LB FT Dry Lubricated 1 4 20 8 7 5 16 18 17 14 3 8 16 30 23 7 16 14 50 38 1 2 13 75 56 5 8 11 150 112 3 4 10 26...

Page 34: ...sential parts which may deteriorate at an unpredictable rate over a period of time for which the mode of failure is more subtle Air filters used to remove dirt should be inspected and cleaned periodic...

Page 35: ...al Application or Multiple Units Full Protection one set of each item as originally supplied First Seven Items in 1 as applicable Rotor Stator Exciter Rotor Exciter Stator Synchronous Machines only Re...

Page 36: ...relative location of the drive motor and driven equipment should permit belt or chain tightening or loosening The belt sheave gear sprocket should be mounted as close to the motor end shield as reaso...

Page 37: ...nstruction which permits easy maintenance without sacrificing strength or rigidity These motors have received special inspection during the manufacturing and assembly operations to assure that all par...

Page 38: ...Bearing Cap 19 Bearing Insulation 20 Antifriction Bearing 21 Cover 22 Bearing Locknut Assembly 23 End Shield Gasket when used 24 Upper Half End Shield 25 Air Deflector 26 Fan 27 Dowel Pin 28 Heater F...

Page 39: ...the stator core where it is directed upward into the top cover In a dripproof machine cooling air enters the frame through openings in the end shields The air is then directed by the air deflectors in...

Page 40: ...mental laminations punched from magnetic silicon steel The punchings are accurately positioned and stacked to maintain a true stator bore The core is build up axially with packets of punchings separat...

Page 41: ...GE Industrial Control Systems GEEP 124 I Fort Wayne Indiana46802 41 DLCGEEP 124 I 000 Approved 2016 11 11 CampinasDM...