26 – Mastertig AC/DC 2000, 2500, 2500W, 3500W/0510 © COPYRIGHT KEMPPI OY8.3. THE POWER SOURCENOTE! Disconnect the plug of the machine from the mains socket and wait for ca. 2 minutes(capacitor charge) before removing the casing plate.Check at least very six months:– The electric connections of the machine– clean any oxidized parts and tighten any looseones.NOTE! You must know the correct tension torques before you start to repair the connections.– Clean the inner parts of the machine from dust and dirt e.g. with a soft brush and avacuum-cleaner.Do not use pressurized air, because there is the danger that the dirt is packed even moretightly in the gaps of the cooling profiles. Do not use a pressure washing device.Only an authorized electric shop or electrician may repair the machine.8.4. REGULAR MAINTENANCEKEMPPI Service Repair Shops handle regular maintenance by agreement.Regular maintenance includes e.g. the following:– Cleaning of the machine.– Checking and maintenance of the welding tools.– Checking the clamps, switches and potentiometers.– Checking the electric connections.– Checking the mains cable and plug.– Replacement of any parts that are damaged or in poor condition.– Maintenance testing. The operation and performance values of the machine are checked and,where necessary, adjusted by means of test equipment.9. OPERATION DISTURBANCESIn the case of operation disturbances, contact an authorized KEMPPI Service Repair Shop.Check the maintenance parts before sending the machine to the service shop.10. ORDERING NUMBERSMastertig AC/DC 2000 6162000Mastertig AC/DC 2500 6162500Mastertig AC/DC 2500W 6162505Mastertig AC/DC 3500W 6163505ACDC panel 6162801ACDC minilog 6162802ACDC pulse 6162803AccessoriesT 120 transport unit 6185252T 22 transport unit 6185256GH 20 (gun holder) 6256020