Siemens 1LA8 Series User Manual

Table of content
1 Safety information................................................................................................................................. 1
1.1 Definitions, warning information ........................................................................................................... 1
1.2 Safety and application information ........................................................................................................ 2
1.3 Operation in locations subject to explosion hazards................................................................................ 2
1.4 Electromagnetic compatibility ................................................................................................................ 2
2 Description, technical data .................................................................................................................... 3
2.1 Scope of delivery................................................................................................................................... 3
2.2 Siemens Service Center ......................................................................................................................... 3
2.3 Applications .......................................................................................................................................... 3
2.4 Design of the motor .............................................................................................................................. 3
2.5 Main Terminal Boxes ............................................................................................................................. 4
3 Transport, installation and assembly .................................................................................................... 7
3.1 Transport, storage ................................................................................................................................. 7
3.2 Installation ............................................................................................................................................ 8
3.3 Aligning ................................................................................................................................................ 9
3.4 Mounting ............................................................................................................................................ 10
3.5 Connecting the ground conductor ....................................................................................................... 10
3.6 Connection of the motor ..................................................................................................................... 11
3.7 Connection to the converter ................................................................................................................ 13
3.8 Converter operation on a grounded network ........................................................................................ 13
4 Commissioning .................................................................................................................................... 14
4.1 Preparations........................................................................................................................................ 14
4.2 Measures to be taken prior to commissioning ....................................................................................... 15
4.3 Monitoring the temperature of the stator winding................................................................................ 15
4.4 Energizing........................................................................................................................................... 15
4.5 De-energizing ..................................................................................................................................... 16
5 Operation ............................................................................................................................................. 17
5.1 Safety information .............................................................................................................................. 17
5.2 Stoppages ........................................................................................................................................... 17
5.3 Fault diagnosis table ............................................................................................................................ 17
6 Maintenance ........................................................................................................................................ 20
6.1 Maintenance ....................................................................................................................................... 20
6.1.1 Preparations for maintenance .............................................................................................................. 20
6.1.2 Bearings ............................................................................................................................................. 20
6.1.3 Regreasing with sealing grease (option for increased degree of protection) ........................................... 21
6.2 Servicing............................................................................................................................................. 21
6.2.1 Servicing instructions .......................................................................................................................... 21
6.2.2 First service after installation or repair ................................................................................................. 21
6.2.3 Main service ....................................................................................................................................... 22
6.3 Repair ................................................................................................................................................. 22
6.3.1 Preparations for overhauling / repairs ................................................................................................... 22
6.3.2 Dismantling ........................................................................................................................................ 22
6.3.3 Dismantling instructions ...................................................................................................................... 22
6.3.4 Re-assembly ........................................................................................................................................ 23
6.3.5 Notes on assembling the bearing seal .................................................................................................. 24
6.3.6 Assembling the fan ............................................................................................................................. 24
6.3.7 Bolt locking devices and tightening torques ......................................................................................... 24
6.3.8 Spare Parts .......................................................................................................................................... 24
6.3.9 Exploded View – 1LA8 Motor ............................................................................................................... 25

Siemens 1LA8 Series Specifications

General

Brand	Siemens
Model	1LA8 Series
Category	Engine
Language	English