Maintenance, care and disposal
General
099-000121-EW501
29.06.2015
6 Maintenance, care and disposal
Do not carry out any unauthorised repairs or modifications!
To avoid injury and equipment damage, the unit must only be repaired or modified by
specialist, skilled persons!
The warranty becomes null and void in the event of unauthorised interference.
• Appoint only skilled persons for repair work (trained service personnel)!
Risk of injury from electric shock!
Cleaning machines that are not disconnected from the mains can lead to serious
injuries!
• Disconnect the machine completely from the mains.
• Remove the mains plug!
• Wait for 4 minutes until the capacitors have discharged!
Repair and maintenance work may only be performed by qualified authorised personnel; otherwise the
right to claim under warranty is void. In all service matters, always consult the dealer who supplied the
machine. Return deliveries of defective equipment subject to warranty may only be made through your
dealer. When replacing parts, use only original spare parts. When ordering spare parts, please quote the
machine type, serial number and item number of the machine, as well as the type designation and item
number of the spare part.
6.1 General
When used in the specified environmental conditions and under normal operating conditions, this
machine is largely maintenance-free and requires a minimum of care.
There are some points, which should be observed, to guarantee fault-free operation of your welding
machine. Among these are regular cleaning and checking as described below, depending on the pollution
level of the environment and the length of time the unit is in use.
6.2 Maintenance work, intervals
6.2.1 Daily maintenance tasks
6.2.1.1 Visual inspection
• Mains supply lead and its strain relief
• Gas tubes and their switching equipment (solenoid valve)
• Other, general condition
6.2.1.2 Functional test
• Welding current cables (check that they are fitted correctly and secured)
• Gas cylinder securing elements
• Operating, message, safety and adjustment devices (Functional test)
6.2.2 Monthly maintenance tasks
6.2.2.1 Visual inspection
• Casing damage (front, rear and side walls)
• Transport elements (strap, lifting lugs, handle)
6.2.2.2 Functional test
• Selector switches, command devices, emergency stop devices, voltage reducing devices, message
and control lamps
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