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5.3 Installing the machine

5.3.1 Safety instructions for installation

Injury and material damage caused by inappropriate fastening material

If screws of an incorrect property class have been selected or if they have been fastened to

an incorrect tightening torque, they may break or become loose. This will cause the machine

to move, which could damage the bearings. The rotor could smash into the machine enclosure

and machine parts could be flung out of place. This can result in death, serious injury or material

damage.

● Comply with the required property classes for screwed connections.

● Tighten the screwed connections to the specified tightening torques.

Injury and material damage caused by incorrect machine alignment

If the machine has not been properly aligned, this will mean the fastening parts are subjected

to stress/distortion. Screws may become loose or break, the machine will move, machine parts

could be flung out of place. This can result in death, serious injury or material damage.

● Carefully align the machine to the driven machine.

Material damage caused by improper handling

Mounting parts such as temperature sensors or speed sensors are attached to the machine

and could be ripped off or destroyed as a result of improper handling. This could lead to

machine malfunctions, extending even to total loss of the machine.

● Where necessary, use suitable steps when performing installation work on the machine.

● Do not stand on cables or attachments during installation. Do not use attachments as steps.

5.3.2 Selecting bolts

● Use fixing bolts with the appropriate property class to ensure that the machine is securely

fastened and torque can be adequately transmitted.

● When selecting the bolts and the design of the foundation, take into account the maximum

forces occurring in the case of a fault such as short circuit or line system transfer operations

in phase opposition, etc. Values for the foundation forces can be found in the "Technical

Data and Drawings" section.

Siemens SIMOTICS HV C User Manual

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