1LA5/6/7/9, 1LG4/6, 1MA6/7, 1MB..1/2/3/4/5 - SH 63 ... 355 
Operating Instructions, 06/2018, A5E44455710A 
51 
 
Observe the following when carrying out any work on the machine: 
●  Comply with the general safety instructions (Page 11) 
●  Comply with the applicable national and sector-specific regulations. 
●  When using the machine within the European Union, comply with the specifications laid 
down in EN 50110-1 regarding safe operation of electrical equipment. 
Loss of conformity with European directives 
In the delivery state, the machine corresponds to the requirements of the European 
directives. Unauthorized changes or modifications to the machine lead to the loss of 
conformity with European directives and the loss of warranty. 
Explosion hazard when making modifications to the machine 
Substantial modifications to the machine are not permitted – or may only be performed by 
the manufacturer. Otherwise an explosion can occur in an explosive atmosphere. This can 
result in death, serious injury or material damage. 
●  If necessary, please contact the service center. 
 
Preparing for installation 
5.1.1
 
Requirements for installation 
The following requirements must be satisfied prior to starting installation work:  
●  Staff have access to the operating and installation instructions. 
●  The machine is unpacked and ready for mounting at the installation location. 
 
Note 
Measure the insulation resistance of the winding before starting installation work 
Measure the insulation resistance of the winding before starting any in
stallation work. If 
the insulation resistance lies below the specified value, take appropriate remedial 
measures. These remedial measures may necessitate the machine being removed again 
and transported.