Siemens ANIM-03114 User's Manual
Contents
1. OUTDOOR STORAGE The motor should not be stored outdoors Oil Lubricated Antifriction and Kingsbury Type Bearings Every three 3 months 3000 3600 RPM vertical motors with anti friction bearings should be run for two minutes to recoat the oil lubricated bearings If the motor cannot be run it must be partially disassembled to reach the bearings Manually cover the bearing with a fresh coat of oil The oil itself need not be renewed On 1800 rpm and slower speed vertical motors the shaft should be rotated by hand every two 2 months Turn it by hand at about 30 rpm for 15 seconds or if power is available the motor can be electrically bumped for 5 seconds Grease Lubricated Anti Friction Bearings Per Chart 2 the motor shaft should be manually rotated by hand at about 30 rpm for 15 seconds or if power is available the motor can be electrically bumped for 5 seconds Chart 2 STORAGE ENVIRONMENT Shaft Rotation Frequency INDOOR WHOLLY CONTROLLED ATMOSPHERE Every two 2 months INDOOR PARTIALLY CONTROLLED ATMOSPHERE Every two 2 months OUTDOOR INLAND DRY CLIMATE Once per month OUTDOOR INLAND HUMID CLIMATE Once per week OUTDOOR SALTY AND INDUSTRIAL ATMOSPHERE Once per week Bearings should be regreased at one 1 year intervals while in storage Refer to the lubrication plate on the motor for the amount of grease and the identification of the grease installed at the factory Use the same or compatib2. follow certain fundamental installation and maintenance requirements may lead to personal injury and the failure and loss of the motor as well as damage to other property Only qualified personnel should work on or around this equipment after becoming thoroughly familiar with all warnings safety notices and maintenance procedures contained herein Only qualified personnel should be involved in the inspection maintenance and repair procedure and all plant safety procedures must be observed Qualified Person For the purpose of this manual and product labels a Qualified person is one who is familiar with the installation construction and operation of the equipment and the hazards involved In addition he or she has the following qualifications a Is trained and authorized to energize de energize clear ground and tag circuits and equipment in accordance with established safety practices b Is trained in the proper care and use of protective equipment such as rubber gloves hard hat safety glasses face shields flash 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 avoide
3. 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 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 These publications and this instruction manual should be thoroughly read and understood prior to beginning any work on this equipment The information contained within is intended to assist operating personnel by providing information on the general characteristics of the purchased equipment It does not relieve the user of the responsibility of using accepted engineering practices in the installation operation and maintenance of this equipment Should a conflict arise between the general information in this manual and the contents of the drawings and supplementary material the latter shall take precedence Safety Procedures This equipment contains hazardous voltages Death serious personal injury or property damage can result if safety instructions are not followed The successful and safe operation of motors and generators is dependent upon proper handling installation operation and maintenance as well as upon proper design and manufacture Failure to
4. SIEMENS Induction Motors Generators Storage Recommendations ANIM 03114 03 02 Supersedes all previous issues 2002 Siemens Energy amp Automation Inc All rights reserved Table of Contents Page Safety ProCeCures cccececececeeceeeeeeeeeeeneneeseeeeeeenenenenes 2 Introduction Aaa 3 Indoor Storage Up to 5 Years Wholly Controlled Atmosphere r rnnnnnnnnnen nenne 4 Partially Controlled Atmosphere unrssssssnennnn nennen 4 Outdoor Storage Up to 5 Years Inland Dry Climate nu4ru4s4nennnen nenn nenn ann ann nennen 5 Inland Humid Climate unrnunrnenen ernennen nnan nennen 6 Salty and Industrial Atmosphere n uuuruunnnenen nennen 7 Preparation For Storage ururnensnenenennnnnnnnnnnn namen nenn 8 Maintenance During Storage nunrnrnenenenenennnnnn nn nn en en en 10 Preparation For Service uur s ssnnnnannnananannnnananan ann 12 Note These instructions do not purport to cover all details or variations in equipment nor to provide for every possible contingency to be met in connection with installation operation or maintenance Should further information be desired or should particular problems arise which are not covered sufficiently for 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
5. ademark 12 Notes Notes SIEMENS ANIM 03114 03 02 Supersedes all previous issues 2002 Siemens Energy amp Automation Inc All rights reserved Siemens Energy amp Automation Industrial Products Division Norwood Motor Plant 4620 Forest Avenue Norwood OH 45212 3396 513 841 3100
6. ch equipment is considered to be in storage not only when it is in the storeroom but also when 1 Ithas been delivered to the jobsite and is awaiting installation or 2 Ithas been installed but regular operation is delayed pending completion of plant construction or 3 There are long idle periods between operating cycles or 4 The plant or department is shut down NOTE Recommended brand products have shown good performance Siemens Energy amp Automation Inc however cannot assume responsibility or be liable for products other than those it warrants NOTE Squirrel cage induction machines can be driven by various types of prime movers These will act as induction generators This instruction manual applies to both motors and induction generators However for clarity reasons the machine will be referred to as a motor Manufacturers or distributors of products are Tectyl 502 C and 506 Valvoline Oil Co Div of Ashland Oil and Refining Co 150 Fourth Avenue Freedom PA 15042 P D George Insulation Manufacturers Corp 1231 Superior Avenue N E Cleveland OH 44114 Indoor Storage Up to 5 Years NOTE Rodents and other animals in search of warm surroundings or food like to house inside motors Some of them attack the insulation materials Their access to the motor should be prevented Wholly Controlled Atmosphere Requirements Uniform temperature betwe
7. d may result in minor or moderate injury Caution For the purpose of this manual and product labels Caution indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It is also used to alert against unsafe practices Motors should be installed and grounded per local and national codes Do not operate this equipment in excess of the values given on nameplate or contrary to the instructions contained in this manual The equipment or a prototype has been factory tested and found satisfactory for the condition for which it was sold Operating in excess of these conditions can cause stresses and strains beyond design limitations Failure to heed this warning may result in equipment damage and possible personal injury DANGER Hazardous voltage Will cause death serious injury electrocution or property damage Disconnect all power before working on this equipment NOTE Squirrel cage induction machines can be driven by various types of prime movers These will act as induction generators This instruction manual applies to both motors and induction generators However for clarity reasons the machine will be referred to as a motor Introduction The purpose of this booklet is to offer some short easy to follow recommendations to our customers users and distributors for the care of electric motors in storage For practical purposes su
8. d be attached to the side of the motor and several bags of silica gel desiccant placed inside the bag around the motor When the moisture indicator shows that the desiccant has lost its effectiveness as by a change in color the bag should be opened and the desiccant replaced with fresh material Take care in placing the bags of desiccant so that none is in contact with the heater element When a motor cannot be sealed for effective use of a desiccant and the relative humidity is greater than 50 or where there are large daily swings in temperature the space heaters anti condensation heaters should be energized Heaters supplied in the motor are sized to raise the temperature of the windings 10 F to 15 F 5 5 C to 8 C This prevents moisture from condensing on the windings If the motors are not equipped with space heaters consult the factory for proper size of external heaters to be used Outdoor Storage Up to 5 Years NOTE Rodents and other animals in search of warm surroundings or food like to house inside motors Some of them attack the insulation materials Their access to the motor should be prevented Inland Humid Climate Non Industrial Area Conditions Usually Encountered Dust rain snow organic growth fungus Requirements If the ambient temperature exceeds 140 F 60 C the space or structure should be enclosed but ventilated If the ambient temperature is below 40 F 4 5 C the space h
9. e of external heater to use Outdoor Storage Up to 5 Years NOTE Rodents and other animals in search of warm surroundings or food like to house inside motors Some of them attack the insulation materials Their access to the motor should be prevented Salty and Industrial Atmospheres Conditions Usually Encountered Moisture impregnated with salts or other chemicals salty dust rain snow fungus growth fumes coal and chemical soot Requirements If the ambient temperature exceeds 140 F 60 C the space or structure should be enclosed but ventilated If the ambient temperature is below 40 F 45 C the space heaters if the motor is so equipped should be energized Cover the motor completely to exclude dirt dust moisture and other foreign materials At a bare minimum a heavy waterproof cover should be slipped over the motor After the motor is covered as described a shed of some sort should be erected to protect it from direct rain snow and excessive direct sun heat Proper wrapping will protect the motor from blown sand and dirt If the motor can be moved it is suggested that the entire motor be encased in a strong transparent plastic bag Before sealing the tag a moisture indicator should be attached to the sale of the motor and several bags of silica gel desiccant placed inside the bag around the motor When the moisture indicator shows that the desiccant has lost its effectiveness as by a change i
10. eaters if the motor is so equipped should be energized Cover the motor completely to exclude dirt dust moisture and other foreign materials At a bare minimum a heavy waterproof cover should be slipped over the motor After the motor is covered as described a shed of some sort should he erected to protect it from direct rain snow and excessive direct sun heat Proper wrapping will protect the motor from blown sand and dirt If the motor can be moved it is suggested that the entire motor be encased in a strong transparent plastic bag Before sealing the bag a moisture indicator should be attached to the side of the motor and several bags of silica gel desiccant placed inside the bag around the motor When the moisture indicator shows that the desiccant has lost its effectiveness as by a change in color the bag should be opened and the desiccant replaced with fresh material Take care in placing the bags of desiccant so that none is in contact with the heater element When a motor cannot be sealed for effective use of a desiccant and the relative humidity is greater than 50 or where there are large daily swings in temperature the space heaters anti condensation heaters should be energized Heaters supplied in the motor are sized to raise the temperature of the windings 10 F to 15 F 5 5 C to 8 C This prevents moisture from condensing on the windings If the motors are not equipped with space heaters consult the factory for proper siz
11. ed at the factory Use the same or compatible grease Oil Mist Lubricated Anti Friction Bearings Motors with this type of lubrication system require special attention Check for a tag attached to the motor and read and follow the caution statements on the tag If the tag states the motor was shipped with grease in the bearings the motor should be treated same as Grease Lubricated Anti Friction Bearings described above If the tag states that an oil mist lubrication system must be connected before the motor is started INDOOR STORAGE The motor was shipped with no grease in the bearings and it cannot be stored for longer than two weeks unless an auxiliary oil mist system is available OUTDOOR STORAGE The motor should not be stored outdoors Preparation For Storage Shaft Extensions and Exposed Machined Surfaces Surfaces should be coated with an easily removable rust preventive such as Tectyl No 502 C If the storage period will be nine months or longer and the risk of exposure to moisture is present take the following precautions 1 Before adding the lubricant described above disassemble the motor taking care not to contaminate the existing lubricant or the bearing or shaft journal 2 If any exposed machined surfaces are unpainted coat these with a non hardening protective film such as Tectyl No 506 This material can be later removed with petroleum solvents Do not apply this material to bearings shaft journals or other pa
12. en 40 F 4 5 C and 140 F 60 C throughout the room maintained at least 10 F 5 5 C above the dew point Relative humidity of 50 or less Dust accumulation should be minimal with no harmful fumes and no ambient vibration Partially Controlled Atmosphere Requirements The room selected should be as clean and dry as possible with no ambient vibration If the ambient temperature exceeds 140 F 60 C the space or structure should be enclosed but ventilated If the ambient temperature is below 40 F 4 5 C the space heaters if the motor is so equipped should be energized The enclosing structure should be designed to protect the motor from flying debris or other damage from high winds If the motor can be moved it is suggested that the entire motor be encased in a strong transparent plastic bag Before sealing the bag a moisture indicator should be attached to the side of the motor and several bags of silica gel desiccant placed inside the bag around the motor When the moisture indicator shows that the desiccant has lost its effectiveness as by a change in color the bag should be opened and the desiccant replaced with fresh material Take care in placing the bags of desiccant so that none is in contact with the heater element When a motor cannot be sealed for effective use of a desiccant and the relative humidity is greater than 50 or where there are large daily swings in temperature proper storage requires that the space heater
13. entatives with a clean cloth soaked in petroleum solvent A WARNING Solvent may explode Have no flames or spark Dispose of rags in special container Make sure that the bearings and lubricant cavities are free of dust and dirt and that the oil plugs in the cavity are sealed and tight Scratches or rust on the shaft journals must be carefully removed Relubricate Bearings Use the specified or compatible grease or the specified viscosity turbine oil as applicable Refer to lubrication plates on the motor and to the instruction book Remove Desiccant Check Winding Insulation Resistance Regardless of the method or location of storage the winding insulation should be measured prior to placing the motor in service A low winding insulation resistance is an indication of excessive moisture in the winding and it should be dried before being energized Check the insulation resistance using a hand cranked or solid state insulation resistance tester and test with at least 500 volts but not greater than machine rated voltage Use 500 volts on motors rated 600 volts or lower For machines with newer insulation systems such as MiCLAD VPI the insulation resistance after one 1 minute should be greater than 1000 megohms Values in excess of 5000 megohms are common Refer to the instruction book If the insulation resistance is less than satisfactory and the cause is excessive moisture in the winding dry the winding
14. le grease 10 Maintenance During Storage Oil Mist Lubricated Anti Friction Bearings If motor was shipped with grease in the bearing follow instructions for grease lubricated anti friction bearings described above If motor does not have grease in the bearing start the oil mist system connected during the storage preparations start the motor and run it for two minutes Repeat this process every two weeks Shaft Extensions Exposed Machined Surfaces and Flanges Check the condition of the rust inhibitor used and recoat as recommended by the manufacturer For example Tectyl No 502 C heavily applied may last about 2 years Desiccant bags and plugs must be checked periodically even weekly if the moisture is high above 50 relative humidity and the temperature drops often Other If heaters are used check that they are operating properly Perform this check every time the bearings are checked Check the condition of the desiccant weekly and replace as necessary Every two 2 years while in storage the motor should be disassembled and prepared for storage again 11 Preparation For Service Cleaning Both the interior and exterior of the motor should be free of spilled oil water dust and dirt The exterior should be wiped and the interior blown out with compressed air at a reduced pressure A CAUTION Moisture Can damage windings Protect motor from moisture Wipe off removable rust prev
15. n color the bag should be opened and the desiccant replaced with fresh material Take care in plating the bags of desiccant so that none is in contact with the heater element When a motor cannot be sealed for effective use of a desiccant and the relative humidity is greater than 50 or where there are large daily swings in temperature the space heaters anti condensation heaters should be energized Heaters supplied in the motor are sized to raise the temperature of the windings 10 F to 15 F 5 5 C to 8 C This prevents moisture from condensing on the windings If the motors are not equipped with space heaters consult the factory for proper size of external heater to be used Preparation For Storage A CAUTION Moisture Can damage windings Protect motor from moisture Sleeve and Tilting Pad Bearings Motors with this type of bearing are shipped without lubricating oil A film of rust inhibiting oil from factory testing protects the bearing and shaft journals during shipment but this protection does not last long enough for extended periods of storage Therefore before placing the motor in storage longer than one 1 month fill the oil wells sumps to running level with a good grade of rust inhibiting turbine oil of the proper viscosity Remove the shaft blocking on motors with sleeve bearings to permit turning of the shaft Do not remove the blocking on motors with tilting pad bearings unless an auxiliary oil flood lub
16. ricating system is available for use for storage maintenance Oil Lubricated Antifriction and Kingsbury Type Bearings No lubricating oil is shipped with any of these units Vertical motors with these types of bearings and for operation at 1800 rpm or slower are designed so the oil completely covers the bearings when properly lubricated To protect the motor for storage fill the oil wells sumps to the running level with a good grade of rust inhibiting turbine oil of the proper viscosity Vertical motors with anti friction bearings for operation at 3000 or 3600 rpm use oil sump lubrication requiring the bearings to be located above the normal oil level A film of rust inhibiting oil from factory testing protects the motor during shipment If the motor will be run during storage the motor should be prepared for future storage maintenance by filling the oil wells as described above If the motor will not be run arrange motor so it can be later disassembled for oil coating of internal parts Grease Lubricated Anti Friction Bearings Grease lubricated ball or roller bearing motors are shipped from the factory with bearings properly packed with grease and if the elapsed time from the date of shipment is less than three 3 months no further preparation is required If the elapsed time is over three 3 months add grease to each bearing Refer to the lubrication plate on the motor for the amount of grease and the identification of the grease install
17. rts within the bearing cavity 3 FOR INLAND HUMID CLIMATE or SALTY AND INDUSTRIAL ATMOSPHERE Before reassembly of the motor spray all internal surfaces of the stator winding and iron with one coat of an anti fungus varnish such as PD George No 1137 protective sealer Maintenance During Storage A DANGER A DANGER Hazardous voltage Rotating machinery Can cause death severe injury or Can cause death or severe injury property damage Follow all safety rules Follow all safety rules Sleeve Bearings Per Chart 1 the motor shaft should be manually rotated by hand at about 30 rpm for 15 seconds or if power is available the motor can be electrically bumped for 5 seconds Chart 1 STORAGE ENVIRONMENT Shaft Rotation Frequency INDOOR WHOLLY CONTROLLED ATMOSPHERE Every two 2 months INDOOR PARTIALLY CONTROLLED ATMOSPHERE Once per month OUTDOOR INLAND DRY CLIMATE Once per month OUTDOOR INLAND HUMID CLIMATE Once per week OUTDOOR SALTY AND INDUSTRIAL ATMOSPHERE Once per week Tilting Pad Bearings INDOOR STORAGE Do not turn the shaft on motors with this type of bearing unless an external flood lubrication system is connected and in operation If this system is not available do not run the motor but every three months disassemble the motor for access to the bearings and coat the bearings and the shaft journal area with a rust inhibiting turbine oil of the proper viscosity
18. s anti condensation heaters be energized Heaters supplied in the motor are sized to raise the windings temperature 10 F to 15 F 5 5 C to 8 C This prevents moisture from condensing on the windings If the motors are not equipped with space heaters consult the factory for proper size of external heaters to be used Outdoor Storage Up to 5 Years NOTE Rodents and other animals in search of warm surroundings or food like to house inside motors Some of them attack the insulation materials Their access to the motor should be prevented Inland Dry Climate Conditions Usually Encountered Dust sand heat from the sun and occasional rain or snow Requirements If the ambient temperature exceeds 140 F 60 C the space or structure should be enclosed but ventilated If the ambient temperature is below 40 F 4 5 C the space heaters if the motor is so equipped should be energized Cover the motor completely to exclude dirt dust moisture and other foreign materials At a bare minimum a heavy waterproof cover should be slipped over the motor After the motor is covered as described a shed of some sort should be erected to protect it from direct rain snow and excessive direct sun heat Proper wrapping will protect the motor from blown sand and dirt If the motor can be moved it is suggested that the entire motor be encased in a strong transparent plastic bag Before sealing the bag a moisture indicator shoul
19. s by applying heat from 1 A warm air oven 2 Electric strip heaters 3 Circulating currents through the coils Do not use radiant type heaters The heat should be applied slowly so the desired temperature will not be obtained in less than eight 8 hours Heating faster may damage the winding The insulation resistance should be measured before the heat is applied and every six to eight hours thereafter For newer Class F insulation systems such as MiCLAD VPI a temperature of 245 F 118 C is commonly used for this drying procedure Insulation resistance will decrease as the machine warms up but will begin to increase shortly as the dryout continues A uniform temperature must be maintained in the machine to obtain meaningful readings When the insulation readings stop changing the drying process is complete and may be discontinued If the insulation resistance is still low check for other causes To prevent damage to the bearings the bearings and the bearing housings should be removed before starting any of the heating methods The rotor should also be removed to allow more uniform heating of the winding Temperature indicators or detectors should be connected to the winding and monitored to see that the recommended temperature is not exceeded A fan can be helpful in getting more uniform winding temperatures and in carrying away the moisture when strip heaters are used as the heat source MiCLAD is a Siemens tr
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