Siemens 1LA8 Operating Instructions

10.10 Non-drive end rolling-contact bearings with bearing housing..............................................124
10.11 Non-drive end rolling-contact bearings without bearing housing.........................................125
10.12 Roller bearings, NDE - end shield with integrated bearing cover.........................................126
10.13 Terminal box GT640............................................................................................................127
10.14 Terminal box 1XB1621.........................................................................................................128
10.15 Terminal box 1XB1631.........................................................................................................130
10.16 Terminal box 1XB1634.........................................................................................................131
10.17 Terminal box 1XB9600.........................................................................................................133
11 Disposal....................................................................................................................................................135
11.1 RoHS - restricting the use of certain hazardous substances...............................................135
11.2 Dismantling the machine......................................................................................................135
11.3 Disposal of components.......................................................................................................136
A Service and Support.................................................................................................................................137
B Technical data..........................................................................................................................................139
B.1 Tightening torques for screw and bolt connections..............................................................139
C Quality documents....................................................................................................................................141
Index.........................................................................................................................................................143
Tables
Table 3-1 Machine design ..........................................................................................................................21
Table 3-2 Data on the rating plate...............................................................................................................22
Table 3-3 Rolling-contact bearing variants..................................................................................................24
Table 3-4 Assignment of shaft heights to terminal boxes............................................................................25
Table 4-1 Minimum dimensions for air intake..............................................................................................29
Table 4-2 Tightening torque for the shaft screw on the rotor shipping brace ............................................33
Table 5-1 Stator winding insulation resistance at 40° C..............................................................................43
Table 5-2 Permissible deviations for aligning the machine with flexible coupling.......................................55
Table 6-1 Terminal designations using the 1U1-1 as an example..............................................................64
Table 6-2 Determining the cross-section of the grounding conductor.........................................................64
Table 6-3 Connection technology (with cable lug / connection without cable lug)......................................68
Table 6-4 Cable entry plate versions...........................................................................................................68
Table 6-5 Terminal boxes with onion sealing ring.......................................................................................69
Table 6-6 Minimum air clearance dependent on rms value of the alternating voltage U
rms
.........................74
Table 6-7 Maximum peak voltage at the motor terminals ...........................................................................78
Table 7-1 Set values for monitoring the bearing temperatures before commissioning...............................84
Table 7-2 Set values for monitoring the bearing temperatures in normal operation ..................................84
Table of contents
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2016 9

Siemens 1LA8 Specifications

General

Brand	Siemens
Model	1LA8
Category	Engine
Language	English