Siemens HiPath 500 User Manual Download

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ANIM-03521-

0110

(New Issue)
©

2010

Siemens

Industry

Installation
Operation
Maintenance

Horizontal - Medallion



500, 580, 680, 800, 1120 Frames
TEWAC & TEAAC Enclosures

Types CGG, NCGG, CAZ

Induction Motors/
Generators

Summary of Contents for HiPath 500

Page 1: ...110 New Issue 2010 Siemens Industry Inc All rights reserved Installation Operation Maintenance Horizontal Medallion 500 580 680 800 1120 Frames TEWAC TEAAC Enclosures Types CGG NCGG CAZ Induction Motors Generators ...

Page 2: ... the user s purposes the matter should be referred to the local Siemens Sales Office The contents of this instruction manual shall not become part of or modify any prior or existing agreement commitment or relationship 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 here...

Page 3: ...ash clothing etc in accordance with established safety practices c Is trained in rendering first aid Danger For the purpose of this manual and product labels Danger indicates an imminently hazardous situation which if not avoided will result in death or serious injury Warning For the purpose of this manual and product labels Warning indicates a potentially hazardous situation which if not avoided ...

Page 4: ...th provisions for oil mist lubrication oil supply system furnished by the user the motor is shipped from the factory with grease in the bearings When receiving a motor with sleeve bearings 1 Remove shaft blocking materials 2 Visually inspect bearing condition through sight glass and bearing drain opening 3 Check for moisture accumulation Remove any traces of oxidation before putting the motor into...

Page 5: ... the motor enclosure type to which other letters may be added denoting modifications Motor Type Motor Enclosure CGG or NCGG Totally Enclosed Water to Air Cooled CAZ Totally Enclosed Air to Air Cooled Ventilation Type CGG NCGG 500 Frame and Type CGG 580 680 800 1120 Frame The heated internal air from the hot stator core is directed to an internally mounted heat exchanger where it is cooled and reci...

Page 6: ...bearing loads for different types of soil For rough calculation the foundation should be approximately 2 1 2 times total unit weight Before pouring locate foundation bolts by use of template frame and provide secure anchorage not rigid It is recommended that a fabricated steel base be used between motor feet and foundation See certified drawings of motor base and driven unit for exact location of ...

Page 7: ... RPM Slower 4 or more poles Rotor Material Aluminum Copper Aluminum Copper 500 580 Frames 1 4 3 3 680 800 Frames N A 4 N A 3 1120 Frame N A N A N A 2 1 Inspect rotor to determine whether alternative A or B below applies A If the rotor has integrally cast directional fans either rotor machining instructions and conversion parts can be purchased from the factory or the rotor core may be removed from...

Page 8: ...ary 2 Base or foundation rigidity can also affect vibration check for resonance in supporting structure 3 Recheck alignment after any change in shims and document alignment readings for warranty information V Belts Check belt manufacturer s recommendations for maximum speed of sheaves and belts minimum pitch diameters maximum allowable number of belts and maximum sheave width When motor is ordered...

Page 9: ...tablishing accurate alignment it is recommended to drill and ream the foundation plate and motor feet together for dowel pins See Doweling Recheck parallel and angular alignment before bolting the coupling together Motor shaft should be level within 0 03 inch after alignment Doweling Doweling the motor and driven unit accomplishes the following 1 Restricts movement 2 Eases realignment if motor is ...

Page 10: ...d Rotor Amps 2 Maximum Voltage 110 of Rated Voltage 10 sec Minimum Voltage the minimum voltage also applies to starting unless otherwise specified 90 of Rated Voltage 10 sec Maximum Frequency Deviation 5 10 sec Maximum of Voltage Plus Frequency Deviation 10 10 sec Maximum Voltage Unbalance 3 1 15 sec Maximum Current Unbalance 3 8 15 sec Suggested Vibration Limits RPM 3600 1800 1200 900 and Slower ...

Page 11: ...imes if necessary Refer to motor s Starting Duty nameplate if so equipped or Motor Data Sheet for recommended number of starts and cooling period between starts 7 When checks are satisfactory operate at lowest load possible and look for any unusual condition Increase load slowly to maximum checking unit for satisfactory operation Oil Circulating Systems For motors with oil circulating systems proc...

Page 12: ...Rapid knocking Bad anti friction bearing or dirt in lubricant Replace bearing clean grease cavities and renew lubricant Misalignment in coupling or feet Realign motor and driven equipment Accumulation of dirt on fan Clean motor Vibration in driven machine Run motor disconnected from driven load and check for vibration Eliminate source in driven equipment Vibration System natural frequency resonanc...

Page 13: ...ve bearing Correct oil level See Maintenance section of this instruction book to determine proper oil level Misalignment Realign motor and driven equipment Excessive tension in belt drive Reduce tension to point of adequacy Excessive end thrust Reduce thrust Recheck mounting and alignment Too much grease ball or roller bearing Relieve supply to point set by manufacturer Bearing overheating Stickin...

Page 14: ...alignment 10 Check for proper lubrication A definite schedule of preventive maintenance inspections should be established to avoid breakdown serious damage and extensive downtime The schedule will depend on operating conditions and experience with similar equipment To assure adequate maintenance and warranty consideration it is essential that complete records be kept for each motor including descr...

Page 15: ...rtant to keep the air intake and exhaust openings free of obstructions NOTE If equipment is operated intermittently in very damp locations it should be protected by space heaters To retard corrosion grease all machined fits when the unit is reassembled after a maintenance check Loading Overloading causes overheating and reduces insulation life A winding subjected to a 10 C temperature rise above t...

Page 16: ...les May cause eye injury Wear safety glasses and dust mask when using compressed air Cleaning Clean the inside and outside of the motor regularly Actual conditions existing around the motor dictate the frequency of cleaning operations Use the following procedures as they apply 1 Wipe off dust dirt oil water etc from external surfaces of the motor These materials can work into or be carried into th...

Page 17: ...nce will decrease as the motor warms up but will begin to increase as the drying process continues A uniform temperature must be maintained in the motor to obtain constant resistance readings When the megger readings remain constant the drying process is complete and may be discontinued Check for other causes if readings are still low Warm Air Oven Drying 1 Remove bearing housings 2 Remove rotor B...

Page 18: ...rust Misalignment of belt drives can cause thrust or harmful shaft oscillation Improper alignment of gear drives will produce shock loads and may bend the shaft Excessive belt tension often causes overheating and failure of bearings Bearings tend to overheat when pulley centers are too close pulley diameters are too small or belt speed is too high Bearing Construction Two types of bearings are emp...

Page 19: ...ce Use a high grade turbine oil having a viscosity of 300 350 SSU at 100 F for units of 1800 rpm and lower and 140 160 SSU at 100 F for machines above 1800 rpm to 3600 rpm In addition seasonal oil changes are desirable if unit is subject to wide variations in temperature Bearing babbitt temperatures that exceed 90 C 194 F or a sudden rise in temperature should be investigated Common causes of hot ...

Page 20: ...o 0 008 inches The bearing cavities and oil seals on the 680 and 800 frame designs are vented to the outside air in order to keep the bearing cavity pressure as close to atmospheric as possible For these designs it is important that the piping and venting for these oil seals be kept clean NOTE When a sleeve bearing becomes worn and requires replacement the labyrinth oil seal should also be replace...

Page 21: ...rown on to the windings If bearing is over lubricated bearing could run hot and may lead to failure All antifriction bearing motors will have an affixed plate with lubricating instructions The instructions on this plate should be followed to achieve optimum bearing life and to avoid consequential damage to rotating parts The frequency of relubricating bearings depends on three factors speed type o...

Page 22: ...ng operation can be observed through the sight glass mounted at the top of the bearing capsule Oil rings should be perfectly round free of burrs or rough edges turn at constant speed and carry a noticeable amount of oil to the top of the journal Failure of the oil ring to turn freely may be caused by 1 Ring out of round should be round to 0 062 inch 2 Fouling on a projection of the bearing bushing...

Page 23: ... housing diameter for proper size with micrometer 6 Heat the new bearing in an oven 200 F While it is hot slide the bearing onto shaft make certain that the inner race makes a firm even contact with shaft shoulder Do not subject bearing to impact 7 Let bearing cool pack bearing caps with the proper grease 8 Reassemble end caps and housings The amount of grease to be used when repacking a bearing a...

Page 24: ...way from the bottom half of the sleeve bearing 7 Raise the shaft slightly and support it 8 Rotate the lower bearing half 180 and remove the lower half of the bearing bushing 9 Reassemble reversing the steps above Apply sealant See MAINTENANCE SEALING PARTS for proper sealing of this bearing design Be careful not to disturb or jam the seals when replacing the upper half of the bearing capsule Caref...

Page 25: ...and to be sure of proper fit and oil ring operation 10 Start motor without load and check oil ring operation End Float Sleeve Bearings Control of rotor end float in sleeve bearing motors is maintained in the drive end bearing The total end float is 0 5 inch On the 500 580 680 and 800 frames the bearings are located axially by shims between the bearing bushing and the bearing capsule shoulders On t...

Page 26: ... 25 ...

Page 27: ...Serial Number 2 Type and Frame Size 3 Horsepower and Speed 4 Bearing Designations It is important when ordering spare parts or discussing service to have as much data from this plate as possible Parts Identification Figures 9 through 15 are of a standard design Your motor may differ slightly A recommended list of spare parts is available upon request Figure 8 Identification Plate Siemens Industry ...

Page 28: ...r rotor 1 10 12 13 Item Description Item Description 1 Stator Core 9 Rotor Core 2 Stator Yoke 10 Insulating Adapter 3 Stator Coils 11 Internal Fan 4 Bearing Housing 12 Air Deflector 5 Rotor Shaft 13 End Cover 6 Inner End Cap 14 Top Cover 7 Ball Bearing 15 Heat Exchanger 8 Shaft Seal For sleeve bearing parts see Figure 11 ...

Page 29: ...gure 10 500 Frame Sleeve Bearings 1 2 3 4 5 6 7 3 8 9 Drive End Opposite Drive End Item Description 1 Bearing Housing 2 Bearing Bushing 3 Oil Seal 4 Oil Ring 5 Air Seal 6 Shims 7 Oil Sight Glass 8 Rotor Shaft 9 End Cover ...

Page 30: ...1a Types CGG CAZ 580 Frame Top Cover Type CGG 17 18 Top Cover Type CAZ with auxiliary blower 15 14 13 16 Motor with Top Cover Type CAZ with shaft mounted fan 14 15 9 10 11 13 1 3 2 11 4 7 12 5 6 10 8 Copper bar rotor 1 8 10 11 ...

Page 31: ...xchanger 5 Rotor Shaft 14 Fan Housing 6 Inner End Cap 15 External Fan 7 Ball Bearing 16 Motor Auxiliary Blower 8 Rotor Core 17 TEWAC Top Cover 9 Insulating Adapter 18 TEWAC Heat Exchanger Figure 12 580 Frame Sleeve Bearings 1 2 3 4 5 6 7 3 8 9 Drive End Opposite Drive End Item Description 1 Bearing Housing 2 Bearing Bushing 3 Oil Seal 4 Oil Ring 5 Air Seal 6 Shims 7 Oil Sight Glass 8 Rotor Shaft 9...

Page 32: ... Figure 13a Types CGG CAZ 680 800 Frames Top Cover Type CGG 17 18 Top Cover Type CAZ with auxiliary blower 17 16 15 14 Motor with Top Cover Type CAZ with shaft mounted fan 16 15 11 10 9 8 10 5 6 13 4 7 11 1 3 2 12 14 ...

Page 33: ...r Shaft 15 Fan Housing 6 Inner End Cap 16 External Fan 7 Ball Bearing 17 Motor Auxiliary Blower 8 Rotor Core 18 TEWAC Top Cover 9 Insulating Adapter 19 TEWAC Heat Exchanger 10 Internal Fan Figure 14 680 800 Frame Sleeve Bearings 1 2 3 4 5 6 7 8 5 9 Drive End Opposite Drive End Item Description 1 Bearing Housing 2 Bearing Bushing 3 External Oil Seal 4 Internal Oil Seal 5 Oil Ring 6 Shims 7 Oil Sigh...

Page 34: ...6 5 4 3 2 1 8 Item Description Item Description 1 Stator Core 9 Bearing Capsule 2 Stator Yoke 10 Oil Ring 3 Stator Coils 11 Rotor Core 4 Bearing Housing 12 Internal Fan 5 Rotor Shaft 13 Air Deflector 6 Machine Seal 14 Top Cover 7 Bearing Liner 15 Heat Exchanger 8 Oil Seal ...

Page 35: ...all Roller Sleeve Size Drive End DE _____________________ Opposite Drive End ODE ____________ Lubrication ___________________________ Length ___________________ Diameter _________________ Internal Thread ____________ External Thread ____________ Keyway __________________ Date Installed Location Application Date Repaired or Replaced Repairs or Parts Replaced 1 Fault Repaired by Total Cost 1 Name of...

Page 36: ...ies are reported accurate vibration readings should be taken and consideration given to the following 1 How does vibration level at center line of motor compare to that at motor feet and foundation 5 Does vibration level change when mounting bolts are loosened one at a time Do feet distort when bolts are loosened 2 Is motor on a fabricated base or grouted in concrete 3 When power is cut does the v...

Page 37: ...____________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________...

Page 38: ...ANIM 03521 0110 New Issue 2010 Siemens Industry Inc All rights reserved Siemens Industry Drive Technologies Division Norwood Motor Plant 4620 Forest Avenue Norwood OH 45212 3396 513 841 3100 ...

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