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The operations must be identified by an additional repair plate carrying the following
information:
● Date
● Company carrying out repair
● Type of repair
● Reference number of the repair technician regarding repair work
Testing after repair shall be carried out in accordance with EU directives.
Gap dimensions
Changing ignition gap geometries (gap dimensions) as part of repair work according to the
minimum specifications of IEC / EN 60079–1 is not permissible.
This can result in death, serious injury or material damage.
Obtain the gap dimensions of the electrical machine from the manufacturer for the repair or
restoration of ignition gap geometries.
9.1.7.9
Maintaining terminal boxes
Requirement
The machine is de-energized.
Checking the terminal box
● Terminal boxes must be regularly checked for tightness, undamaged insulation, and tight
● If dust or humidity have infiltrated the terminal box, this should be cleaned and dried
● Check the insulators, connectors and cable connections in the terminal box.
● Line entries inside the terminal box are part of the regular inspection in accordance with
● Replace the damaged components if necessary.
SIMOTICS XP 1MD4/1MD5
Operating Instructions 05/2015
DANGER
terminal connections.
(particularly the insulators).
Check all the seals and sealing surfaces and address the cause of the leakiness.
IEC/EN 60079-17.
WARNING
Short-circuit hazard
Short-circuits can occur as a result of damaged components that can lead to death, serious
injury or material damage.
Replace damaged components.
Maintenance
9.1 Inspection and maintenance
87
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