Fronius PTW 1500 PAP Manual De Instrucciones página 23

Care, maintenance and disposal
Safety
An electric shock can be fatal.
Before carrying out any work on the welding torch:
▶
▶
▶
General Regular preventive maintenance of the welding torch is essential for problem-free opera-
tion. The welding torch is subjected to high temperatures. It therefore requires more fre-
quent maintenance than other components in the welding system.
At every start-up -
-
-
-
-
Monthly -
-
NOTE!
Deposits inside the plasma torch can cause high frequency arc-overs, thereby
damaging the plasma torch
▶
Disposal Dispose of in accordance with the applicable national and local regulations.
WARNING!
Turn the mains switches of the power source and plasma device to the "0" position
Disconnect the power source and plasma device from the mains
Put up an easy-to-understand warning sign to stop anybody inadvertently switching
them back on again
Check plasma torch, torch hosepack and current connections for signs of damage
Check gas and water connections for leaks
Check that the cooling unit used for cooling the plasma torch is functioning properly,
monitor the water return level in the coolant container, bleed the cooling unit if
necessary
Check that the wearing parts for the plasma torch are in perfect condition, clean
wearing parts before fitting them
Check that the union nut is secure (hosepack - plasma torch interface)
If applicable, check the filter in the cooling circuit for contamination
Check that coolant is pure; if there are any impurities, replace the coolant and rinse
the plasma torch thoroughly several times by letting coolant flow into it and back out
again
Dismantle the plasma torch and check for deposits/contamination
23