4 DCM00003 REV. 07
1.3 Maintenance Safety
Safety devices, especially covers, guards and ground cables should only be removed when
it is absolutely essential for the completion of maintenance work. If safety devices were
removed prior to starting maintenance work, be sure to re-install those devices after
finishing the maintenance work. The following installation and maintenance operations
must be performed prior to any disassembly of equipment:
• All system components must be disconnected from the main electrical supply
• Remove the plug from the main electrical supply and secure it from being re-inserted accidentally
• All system components must be disconnected from the main air supply
• Disconnect the air hose from the main air supply and release system air pressure via the
pressure regulator
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