Fronius MTG 250i Instructions De Service page 31

Contents
Safety.........................................................................................................................................................
Proper use ............................................................................................................................................
Safety....................................................................................................................................................
General ......................................................................................................................................................
General .................................................................................................................................................
Up/Down function..................................................................................................................................
JobMaster function................................................................................................................................
Functions of the torch trigger .....................................................................................................................
Functions of the two-stage torch trigger................................................................................................
Installation and commissioning ..................................................................................................................
Fitting wearing parts to the torch body..................................................................................................
Assembling Multilock welding torches ..................................................................................................
Note regarding the inner liner with gas-cooled welding torches ...........................................................
Fitting the inner liner inside the torch hosepack....................................................................................
Connecting the welding torch to the wire-feed unit ...............................................................................
Connecting the welding torch to the power source and the cooling unit...............................................
Twisting the Multilock welding torch body.............................................................................................
Changing the torch body on a Multilock welding torch..........................................................................
Care, maintenance and disposal ...............................................................................................................
General .................................................................................................................................................
Recognising faulty wearing parts ..........................................................................................................
Maintenance at every start-up ..............................................................................................................
Maintenance every time the wirespool/basket-type spool is changed: .................................................
Troubleshooting .........................................................................................................................................
Troubleshooting ....................................................................................................................................
Technical data............................................................................................................................................
General .................................................................................................................................................
Gas-cooled welding torch - MTG 250i, 320i, 400i, 550i ........................................................................
Gas-cooled hosepack - MHP 250i, 400i, 550i G ML.............................................................................
Gas-cooled torch neck - MTB 250i, 320i, 330i, 400i, 550i G ML ..........................................................
Water-cooled welding torch - MTW 250i, 400i, 500i, 700i ....................................................................
Water-cooled hosepack - MHP 500i, 700i W ML ..................................................................................
Water-cooled torch neck - MTB 250i, 330i, 400i, 500i, 700i W ML.......................................................
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