EWM drive 4 Basic - Maintenance, Care, and Disposal; Maintenance Work and Intervals

Maintenance, care and disposal
General
099-005401-EW501
17.06.2014
43
6 Maintenance, care and disposal
DANGER
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!
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
• Check that all connections and wearing parts are hand-tight and tighten if necessary.
• Check that all screw and plug connections and replaceable parts are secured correctly, tighten if
necessary.
• Remove any spatter.
• Clean the wire feed rollers on a regular basis (depending on the degree of soiling).
6.2.1.1 Visual inspection
• Check hose package and power connections for exterior damage and replace or have repaired by
specialist staff as necessary!
• Mains supply lead and its strain relief
• Gas tubes and their switching equipment (solenoid valve)
• Other, general condition
6.2.1.2 Functional test
• Check correct mounting of the wire spool.
• Welding current cables (check that they are fitted correctly and secured)
• Gas cylinder securing elements
• Operating, message, safety and adjustment devices (Functional test)