Siemens 1LA8 Operating Instructions

Table 7-3 Set values for monitoring the winding temperatures during commissioning...............................84
Table 7-4 Set values for monitoring the winding temperatures in normal operation ..................................85
Table 8-1 Electrical faults .......................................................................................................................93
Table 8-2 Mechanical faults.........................................................................................................................94
Table 8-3 Roller bearing faults ...............................................................................................................95
Table 9-1 Checks after assembly or repair .................................................................................................99
Table 9-2 Checks that have to be performed during the general inspection.............................................100
Table 9-3 Criteria for selecting roller bearing greases...............................................................................101
Table 9-4 Roller bearing greases for vertical and horizontal types of construction ..................................102
Table 9-5 Alternative greases with NLGI class 2 for motors of horizontal construction............................103
Table 10-1 Spare parts for stators and rotors ..........................................................................................119
Table 10-2 Spare parts for cooling components .......................................................................................120
Table 10-3 Spare parts for drive end roller bearings with bearing housing ................................................121
Table 10-4 Spare parts for drive end roller bearings without bearing housing ...........................................122
Table 10-5 Spare parts for roller bearings, DE............................................................................................123
Table 10-6 Spare parts for non-drive end roller bearings with bearing housing .........................................124
Table 10-7 Spare parts for non-drive end roller bearings without bearing housing ....................................125
Table 10-8 Spare parts for roller bearings, NDE ........................................................................................126
Table 10-9 Terminal box GT640..................................................................................................................127
Table 10-10 Terminal box 1XB1621 spare parts...........................................................................................128
Table 10-11 Additional spare parts................................................................................................................129
Table 10-12 Additional spare parts for terminal box 1XB1631 with split cable entry.....................................130
Table 10-13 Spare parts for terminal box 1XB1634 .................................................................................131
Table 10-14 Spare parts for terminal box 1XB9600 ..................................................................................133
Table B-1 Tightening torques for bolted connections with a tolerance of ±10%........................................139
Images
Image 3-1 Schematic diagram of rating plate .............................................................................................22
Image 4-1 Axial location of the rotor.............................................................................................................32
Image 4-2 Schematic representation of a single drive.................................................................................39
Image 4-3 Schematic representation of a tandem drive...............................................................................40
Image 5-1 Balancing type on the drive-end side..........................................................................................48
Image 5-2 Schematic diagram of the water drain holes...............................................................................51
Image 5-3 Schematic diagram: Aligning the machine to the driven machine...............................................55
Image 6-1 Terminal box GT640....................................................................................................................60
Image 6-2 Terminal box 1XB1621................................................................................................................60
Image 6-3 Terminal box 1XB1631................................................................................................................61
Image 6-4 Terminal box 1XB1634 ...............................................................................................................62
Table of contents
SIMOTICS TN Series N-compact 1LA8
10 Operating Instructions 05/2016

Siemens 1LA8 Specifications

General

Brand	Siemens
Model	1LA8
Category	Engine
Language	English