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Maintenance
DANGER
Maintenance work without disconnecting the variable-frequency drive.
Risk of electrical shock.
• Disconnect and isolate the variable-frequency drive before attempting any work on it.
High voltages are present at the terminals and within the variable-frequency drive for
up to 10 minutes after disconnection of the electrical supply.
• Always ensure by using a suitable multimeter that no voltage is present on any drive
power terminals prior to commencing any work.
DANGER
Carry out any work on the variable-frequency drive and motor.
Risk of electrical shock!
• Electrical installation work must only be executed by qualified personnel.
WARNING
Machines contaminated with hazardous material.
Risk of poisoning!
Risk of infection!
If the machine is contaminated with hazardous material:
• Wear appropriate personal protective equipment.
CAUTION
Hot surface.
Risk of burns!
• Prior to any action requiring touching the machine, let the machine cool down first.
NOTICE
Using inappropriate cleaners.
Risk of removing safety stickers and protective paint!
• Do not use incompatible solvents to clean the machine.
CAUTION
Failing to properly maintain the machine.
Risk of injuries!
Risk of premature failure and loss of efficiency!
• Respect the maintenance intervals or ask your Busch representative for service.
• Shut down the machine and lock against inadvertent start up.
• Turn off the water supply.
If the machine is equipped with a barrier gas system:
Summary of Contents for COBRA NX 0950 A
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