6 MAINTENANCE
0446 404 001
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© ESAB AB 2020
• the welding process
• the arc time
• the working environment
CAUTION!
Make sure that the cleaning procedure is done in a suitable prepared workspace.
Cleaning procedure
1.
Disconnect the power source from the mains supply.
WARNING!
Wait for 4 minutes for the capacitors to discharge before continuing.
2.
Remove the side panels on the power source.
3.
Remove the top panel on the power source.
4.
Remove the plastic cover between the heat sink and fan (b).
5.
Clean the power source with dry compressed air (4 bar) as follows:
○ The upper rear part.
○ From the rear panel through the secondary heat sink.
○ The inductor, transformer and current sensor.
○ The power components side, from the rear side behind PCB15AP1.
○ The PCBs at both sides.
6.
Make sure that there is no dust left on any part of the power source.
7.
Install the plastic cover between the heat sink and the fan (b) and make sure it is
correctly fitted against the heat sink.
8.
After having finished cleaning the power source, reattach the power source panels in
the reverse order.
