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6 MAINTENANCE
•
the working environment
•
the surrounding environment, that is grinding etc.
Tools needed for the cleaning procedure:
•
torx screwdriver, T25 and T30
•
dry compressed air at a pressure of 4 bar
•
protective equipment like ear plugs, safety glasses, masks, gloves and safety shoes
CAUTION!
Make sure that the cleaning procedure is done in a suitable prepared workspace.
6.2.1
Cleaning procedure
CAUTION!
The cleaning procedure should be carried out by authorised service technician.
1.
Disconnect the mains supply.
2.
Wait for 4 minutes to discharge the capacitors.
3.
Remove the side panels on the power source.
4.
Remove the top panel on the power source.
5.
Remove the plastic cover between the heat sink and fan (b).
6.
Clean the power source with dry compressed air (4 bar) as follows:
a)
The upper rear part.
b)
From the rear panel through the secondary heat sink.
c)
The inductor, transformer and current sensor.
d)
The power components side, from the rear side behind PCB 15AP1.
e)
The PCBs at both sides.
7.
Make sure that there is no dust left on any part.
8.
Install the plastic cover between the heat sink and the fan (2) and make sure it is
correctly fitted against the heat sink.
9.
Do a test of the power source according to IEC 60974-4, follow the procedure in
section "After repair, inspection and test" in the Service manual.
10. Install the top panel on the power source.
11. Install the side panels on the power source.
12. Connect the mains supply.
6.3
Welding torch
A regular programme of care and maintenance reduces unnecessary and expensive
downtime.
0463 441 101
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© ESAB AB 2022
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