variostar 247 variostar 317, 317-2 operating instructions ... - dpiaca

DEAR FRONIUS CUSTOMERThis brochure is intended to familiarise you with how to operate andmaintain your VarioStar 247 (VST 247), VarioStar 317 (VST 317) andVarioStar 317-2 (VST 317-2). You will find it well worthwhile to readthrough the manual carefully and to follow all the instructions it contains.This will help you to avoid operating errors - and the resultant malfunctions.Your machine will repay you by giving you constant operationalreadiness for many years to come.FRONIUS SCHWEISSMASCHINENVERTRIEB GMBH & CO KGWarning! The machine may only be put into service by trainedpersonnel, and only in accordance with the technical directions.Before you start using the machine, you must read the sectionheaded "Safety rules".CONTENTSDear Fronius Customer ............................................................................ 3Safety rules ................................................................................................ 4General remarks ................................................................................... 4Utilisation for intended purpose only .................................................. 4Obligations of owner/operator ............................................................. 4Obligations of personnel ...................................................................... 4Personal protective equipment ............................................................ 4Hazards from noxious gases and vapours ......................................... 4Hazards from flying sparks .................................................................. 4Hazards from mains and welding current ........................................... 4Particular danger spots ........................................................................ 4Informal safety precautions ................................................................. 4Safety precautions at the installation location ................................... 5Safety precautions in normal operation .............................................. 5Safety inspection .................................................................................. 5Alterations to the welding machine ..................................................... 5Spares and wearing parts .................................................................... 5Calibration of welding machines ......................................................... 5CE-marking ............................................................................................ 5Copyright ............................................................................................... 5General remarks........................................................................................ 6Principle of the VST 247 / 317 / 317-2 ............................................... 6Machine concept - VST 247 / 317 ....................................................... 6Machine concept - VST 317-2 ............................................................. 6Controls and connections......................................................................... 6Operating modes ....................................................................................... 82-step mode ........................................................................................... 84-step mode ........................................................................................... 8IntermittEnt 2- / 4-step mode .............................................................. 8Spot welding .......................................................................................... 9Wire-inching .......................................................................................... 9Starting to use the welding machine ....................................................... 9Utilisation for intended purpose only .................................................. 9Machine set-up regulations.................................................................. 9Mains connection .................................................................................. 9Linking up the VST 317-2 power sourceto the Vario 8 wirefeeder .................................................................... 10Mounting / connecting the gas cylinder ............................................ 10Mounting the welding torch ................................................................ 10Mounting the wire spool ..................................................................... 10Feeding in the wire electrode ............................................................ 10Setting the shielding-gas rate ............................................................ 11Changing the feed rollers ................................................................... 11Correcting the wire infeed .................................................................. 11Polarity reverser .................................................................................. 12MIG/MAG welding ................................................................................... 12Setting the operating point................................................................. 12Example of a setting (VST 247) ........................................................ 12Spot welding ............................................................................................ 13Care and maintenance ........................................................................... 13Troubleshooting guide ............................................................................ 14Technical Data ......................................................................................... 16VST 247 / 317 / 317-2 power sources .............................................. 16Vario 8 wirefeeder ............................................................................... 16Spare parts listFronius - 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