Care, Maintenance And Disposal; General Remarks; Every Start-Up; Every 6 Months - Fronius VR 4000 Operating Instructions Manual

Care, maintenance and disposal

General remarks

Under normal operating conditions, the wire-feed unit requires only a minimum
of care and maintenance. However, some important points must be noted to en-
sure that the welding system remains in a usable condition for many years.
An electric shock can be fatal.
Before opening the device:
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Every start-up

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Every 6 months

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NOTE!
Risk of damage to electronic components.
Do not bring the air nozzle too close to electronic components.

Disposal

Dispose of in accordance with the applicable national and local regulations.
WARNING!
Move the mains switch to the O position
Unplug the device from the mains
Put up an easy-to-understand warning sign to stop anybody inadvertently
switching it back on again
Using a suitable measuring instrument, check to make sure that electrically
charged components (e.g. capacitors) have been discharged
Check welding torch, interconnecting hosepack and ground earth connection
for signs of damage
Perform a visual check on the feed rollers and inner liners for signs of dam-
age
Check contact pressure of feed rollers and adjust if necessary
Check brake and adjust if necessary
Dismantle device side panels and clean inside of device with dry, reduced
compressed air
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