WEG W22Xdb - Page 6

6 | Flameproof motors
www.weg.net
5.1.2. FOUNDATIONS ............................................................................................................................ 23
5.1.3. TYPES OF BASES ........................................................................................................................ 24
5.1.3.1 CONCRETE BASES ........................................................................................................ 24
5.1.3.2 SLIDE RAILS ................................................................................................................... 25
5.1.3.3 METALLIC BASES ........................................................................................................... 25
5.1.4. ALIGNMENT/LEVELLING ............................................................................................................. 26
5.1.5. COUPLINGS ................................................................................................................................. 26
5.1.5.1 DIRECT COUPLING ........................................................................................................ 27
5.1.5.2 GEARBOX COUPLING .................................................................................................... 27
5.1.5.3 BELT AND PULLEY COUPLING ..................................................................................... 27
5.1.5.4 COUPLING ARRANGEMENT FOR SLEEVE BEARING - AXIAL CLEARANCE ............. 30
5.1.6. COOLING ...................................................................................................................................... 31
5.1.7. VIBRATION / BALANCE ............................................................................................................... 31
5.1.8. SHAFT VIBRATION LIMITS .......................................................................................................... 31
5.1.9. AUTOMATIC LUBRICATORS ....................................................................................................... 32
ELECTRICAL ASPECTS ............................................................................................................. 32
5.2.1. POWER SUPPLY .......................................................................................................................... 32
5.2.2. CONNECTIONS ............................................................................................................................ 33
5.2.3. ROTATION DIRECTION ............................................................................................................... 34
5.2.4. PROTECTIONS ............................................................................................................................ 35
5.2.4.1 WINDINGS PROTECTIONS ............................................................................................ 35
5.2.4.2 BEARINGS PROTECTIONS ............................................................................................ 35
5.2.5. ADJUSTMENT OF MOTOR PROTECTION DEVICES ................................................................. 36
5.2.6. ELECTRIC CONNECTION CHECKING ........................................................................................ 36
6. MECHANICAL INSTALLATION CHECKING ...................................................................................... 36
SPACE HEATERS ....................................................................................................................... 36
7. NOISE LEVEL ....................................................................................................................................... 37
8. MAINTENANCE .................................................................................................................................... 37
CLEANLINESS............................................................................................................................. 37
8.1.1. PARTIAL CLEANING .................................................................................................................... 37
8.1.2. COMPLETE CLEANING ............................................................................................................... 37
LUBRICATION ............................................................................................................................. 38
8.2.1. GREASE LUBRICATED BEARINGS ............................................................................................ 38
8.2.2. TYPE AND GREASE CHARACTERISTICS .................................................................................. 39
8.2.3. LUBRICATION INTERVALS ......................................................................................................... 39
8.2.4. LUBRICATION INTERVALS FOR HIGH TEMPERATURE ........................................................... 41
8.2.5. QUALITY AND QUANTITY OF GREASE ...................................................................................... 43
8.2.6. COMPATIBILITY ........................................................................................................................... 43
8.2.7. LUBRICATING INSTRUCTIONS .................................................................................................. 44
8.2.8. BEARING LUBRICATION STEPS ................................................................................................ 44
8.2.9. AUTOMATIC LUBRICATION ........................................................................................................ 45
8.2.9.1 REFILLING/REPLACING LUBRICATORS ...................................................................... 45
8.2.9.2 PROLONGED STORAGE ................................................................................................ 45
8.2.10. SLEEVE BEARINGS ................................................................................................................... 46
8.2.10.1 GENERAL INSTRUCTIONS .......................................................................................... 47
8.2.10.2 OIL TYPE AND CHARACTERISTICS ............................................................................ 47
8.2.10.3 DISASSEMBLY OF THE SLEEVE BEARING SYSTEM (TYPE "EF") ........................... 47
8.2.10.4 SLEEVE BEARING ASSEMBLY .................................................................................... 48
8.2.10.5 SETTING OF THERMAL PROTECTIONS (PT100) ....................................................... 49
8.2.10.6 WATER COOLING SYSTEM ......................................................................................... 49
8.2.10.7 LUBRICATION ............................................................................................................... 49
8.2.10.8 SHAFT SEALS ............................................................................................................... 50
8.2.10.9 OPERATION .................................................................................................................. 50
AIR GAP CHECKING ................................................................................................................... 50
PARTIAL DISCHARGE MONITORING ....................................................................................... 50