Gebruiksaanwijzing /service van het product CZ van de fabrikant Siemens
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ANIM-03522-0402 (New Issue) ©2002 Siemens Energy & Automation, Inc. All rights reser ved. Installation Operation Maintenance Horizontal – Medallion 500, 580, 708, 788, 880 Frames TEFC &.
- 1 - Table of Contents Page Page TABLE OF CONTENTS 1 OPERATION 10 SAFETY PROCEDURES 2 Initial Start 10 INTRODUCTION 3 Oil Circulating Systems 10 Warranty 3 Normal Operation 10 Receiving 3 Voltage/Fre.
- 2 - Safety Procedures This equipment contains haza rdous voltages. Death, serious personal inju ry or property damage can resu lt if safety instructions are not followed.
- 3 - Introduction DANGER Hazardous voltage. Will cause death, serious injur y, electrocution or propert y damage. Disconnect all power before workin g on this equipment. These instructions present general recommendations for installation, operation and mai ntenance of induction motors built at the Norwo od plant.
- 4 - Introduction WARNING Heavy equipment. Improper handling may cause death, serious injury or property damage. Check lifting devices before lifting. Use proper slings, chains and spreaders. Note any warning plates on motor and foll ow instructions on each plate.
- 5 - Installation Motor Dimensions For motors built in the frame size s covered by this manual, the letter dim ensions have the same definitions as established NEMA standards. Established dimensions for these frames may be found on catalog sheets or certified dra wings.
- 6 - Installation External Wiring DANGER Hazardous voltage. Will cause death, serious injur y, electrocution or propert y damage. Disconnect all power before workin g on this equipment. NOTE Before runnin g motor, see Initial Start. Starting and overload control devi ces must be matched to motor rating.
- 7 - Installation Angular Alignment Hold each shaft at maximu m end float. Rotate both shafts together, and measure b etween matching points at the outside diameter of the coupli ng faces for the top, bottom and both sides. Use two indicat ors because of possible axial shaft movement.
- 8 - Installation Check for vertical alignm ent (parallelism) of coupl ed drive as follows: 1. Operate unit until normal temperature is reached (may require several hours). 2. Shut down motor and lock out switch. 3. Mount dial indicator as in Figure 2.
- 9 - Installation Typical Motor Control Settings Alarm Trip (Shutdown) Timer Trip Setting (1) Winding Temperature • Class B Insulation • Class F Insulation 130°C 155°C 155°C 170°C Motor Beari.
- 10 - Operation Initial Start CAUTION Do not exceed nu mber of Siemens specified h ot and cold starts per hour. Will cause overheating. Allow time between starts to permit stator windings and rotor cage to cool. After installation is completed, but before motor is pu t in regular service, make an initial start as follows: 1.
- 11 - Operation Trouble Shooting Between regular maintenance inspe ctions, be alert for signs of motor trouble. Comm on symptoms are listed in the following table. Correct any trouble immediately an d AVOID COSTLY REPAIR AND SHUT DOWN. TROUBLE POSSIBLE CAUSES CORRECTION Usually line trouble.
- 12 - Operation Trouble Shooting TROUBLE POSSIBLE CAUSES CORRECTION Open stator windings. Disconnect motor from load. Check idle amps for balance in all three phases. Check stator resistance in all three phases for bala nce. Air Recirculation. Check air intake and exhaust for obstructions.
- 13 - Maintenance Preventive Maintenance Motors are designed to give many years of reliable service with a minimum of attention. Trouble-free operation cannot be expected if p roper maintenance is postponed or neglecte d. Provide proper maintenance on the equipment .
- 14 - Maintenance WARNING Explosion or fire. Can cause death, serious injur y or property damage. Do not modify explosion-proof or dust ignition-proof motors. These motors are constructed to comply with the U.L. Label Service Procedure Man ual. When reassembling a motor that has a U.
- 15 - Maintenance Temperature Electrical apparatus operatin g under normal conditions becomes quit e warm. Although som e places may feel hot to the tou ch, the unit may be within limits.
- 16 - Maintenance Rotor Cleaning Remove rotor. Inspect and clean. Stator Cleaning MICLAD™ for m wound VPI (vacuum pr essure impregnated) insulated coils may be cleaned with a quick drying solvent and lint free cloths or steam cleaned with low-pressure ste am, then the entire stator oven baked at 200° F for 12 hours and then 230°F for 12 hours.
- 17 - Maintenance Electric Strip Heater Drying 1. Remove bearing housing s. 2. Remove rotor. 3. Direct a fan on stator to carry away the moisture. 4. Attach temperature i ndicators to winding and apply heat as specified in the Insulation Drying Temperature table and follo w procedures described for drying insulation.
- 18 - Maintenance Insulated Bearings One or both bearings m ay be insulated to preven t shaft currents from pitting bearing surfaces. The insulation is located at the joint between the bearing housing or bracket a nd the bearing. Insulated bearings are designated by an instruction plate on the bearing housing.
- 19 - Maintenance At the first sign of oil discoloration or contamination, replace with new oil. Rapi d discoloration is caused by bearing wear, often from vibration or thrust. Chang e oil as required to keep clean. When assembling the bea ring, it is possible to foul the rings so that they will not turn freely.
- 20 - Maintenance Sealing Parts Even though joints may seem to match perfectly, minute clearances exist through which oil may leak. Sealant should be ap plied to the mating surfaces of parts where oil is present to prevent seepage of oil. Sealant should be applied as follows: 1.
- 21 - Maintenance Sleeve Bearings CAUTION Maintain proper oil lev el. Failure to do so may cause improper lubric ation of motor resulting in damage to the equipm ent. Follow lubrication instructions carefully. Avoid adding oil while unit is running. Motors with sleeve bearings are shipped without oil.
- 22 - Maintenance To Replace Antifriction Bearings 1. Remove bolts holding end caps to housi ngs. 2. Remove bolts holding bearing housin gs to yoke. 3. Remove bearing housing s. 4. Remove the bearing with a puller. See Figure 5. 5. Check shaft and housing diameter for prop er size with micrometer.
- 23 - Maintenance Sleeve Bearing When replacing sleeve b earings, it is always desi rable to check the fit (contact pattern) of the bearing to the shaft. When ordering sleeve bearings, be sure to provide complete motor nameplate an d bearing data. Whenever a bearing is replaced, clea nliness must be observed through every st ep of the operation.
- 24 - 708, 788, and 880 Frames (See Figure 8) 1. Check repla cement bearings fo r nicks or shipping damage. Do not scrape. 2. Carefully remove the bearing housing cap by fi rst lifting straight up, then pulling away from the bearing area. 3. Remove top half of bearing liner.
- 25 - Identification All units have an identification nam eplate affixed to the frame (Figure 9). All the necessary information pertaining to the motor can be found on this plate including; 1. Serial Number 2. Type and Frame Size 3. Horsepower and Speed 4.
- 26 - Figure 10. Type CZ, 509 & 5011 Frames Item Description Item Description Item Description 1 Stator Core 7 Ball Bearing 14 Inboard Seal 2 Stator Yoke 8 Shaft Seal 15 Oil Seal 3 Stator Coils 1.
- 27 - Spare Parts Item Description Item De scription 1 Stator Core 8 Shaft Seal 2 Stator Yoke 10 Grid Cover 3 Stator Coils 11 Rotor Core 4 Bearing Housing 12 External Fan (4 Pole or Slower) 5 Rotor Shaft 13 Fan Housing 6 Inner End Cap 14 Internal Fan 7 Ball Bearing 15 Rotor Air Du ct Figure 14.
- 28 - Spare Parts Figure 15 . Sleeve Bearing Arrangement for Type CGZ 708, 788, & 880 Frames Item Description 18 Oil Seal 19 Bearing Cap. Housing 20 Sleeve Bearing Bushing 21 Shims 22 Machine Sea.
- 29 - Motor Service Record Serial No ______________________ Horsepower ______________ Type ___________ Speed ________ Volts _____________ Amperes _____________ Hertz _______ Insulation Class _______ .
- 30 - Vibration Analysis Sheet Pick-Up Filter-Out Coupled Filter-In Couple d Disp. Freq* Vel. Freq.* Vel. Freq . Vel. Freq. Vel. Freq. Vel. Freq. Point Position Mils CPM In/Sec CPM Mils CPM Mils CPM .
- 31 - Notes ___________________ ______________ ___________________ __________________ _______________ _____ ___________________ ______________ ___________________ __________________ _______________ _.
- 32 - Notes ___________________ ______________ ___________________ __________________ _______________ _____ ___________________ ______________ ___________________ __________________ _______________ _.
ANIM-03522-0402 (New Issue) ©2002 Siemens Energy & Automation, Inc. All rights reser ved. Siemens Energy & Automation Industrial Products Divisi on Norwood Motor Plant 4620 Forest Avenue Norw.
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