LORCH M 2020 Operation Manual Download | Manualshive

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Operation Manual

MIG/MAG Welding System

M-Series

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Summary of Contents for M 2020

Page 1: ...910 1053 1 12 Operation Manual MIG MAG Welding System M Series ...

Page 2: ...8 3 9 6 1 Pressure reducer 2 Gas cylinder 3 Torch 4 Tray area 5 Handle 6 Connections 7 Operation panel 8 Transport wheels 9 Ground clamp accessory Depicted or described accessories are partly not included at delivery ...

Page 3: ...t higher or inclinational pla ces The machine may only be connected to a properly groun ded mains supply three phase four wire system with grounded neutral con ductor or single phase three wire system with grounded neutral conductor Socket and extension cable must have a functional protec tive conductor Wear correct protective clothing gloves and leather apron Protect the welding area with curtain...

Page 4: ... no load voltage max V 36 8 34 9 36 9 27 5 32 6 37 2 42 voltage adjustment Stufen 6 6 6 7 7 12 24 duty cycle at max power 25 C 40 C 25 15 25 15 25 15 40 30 20 30 20 30 20 Welding current at 100 duty cycle 25 C 40 C A 70 55 90 70 105 85 100 140 115 160 135 185 160 weldable wire steel mm Ø 0 6 0 8 0 6 0 8 0 6 1 0 0 6 0 8 0 6 1 0 0 6 1 2 0 6 1 6 weldable wires CuSi3 mm Ø 0 8 1 0 weldable wire alu mm ...

Page 5: ...ns socket The fusing should be corresponding to the technical data How to insert the wirespool Open the lid at the machine and screw off the nut 17 from the wire coil pick up 15 Put on the wire coil at the wire coil pick up and pay attention that the tappet is well insert at the coil 14 By use of small wire coils please use the adapter art no 620 9650 0 Adjust the brake 16 by releasing the torch b...

Page 6: ...28 of the pressure reducer while pressing the torch button The quantity will be shown at the flowmeter 24 This should be approx wire diameter x 10 l min The content of the cylin der is shown by the contentmanometer 25 How to modify the machine for aluminium welding Change the wire roll to a aluminium wire roll Change the steel torch against an aluminiumtorch or resp change the wire liner against a...

Page 7: ... cally the arc is ignited Briefly press the torch switch again The wire feed is stopped the automatically controlled burn up period runs off The wire burns off so that it does not adhere to the workpiece The arc goes out Spot welding All welding spots are carried out identical Press the torch switch The arc remains for the period of the adjusted spot welding duration and then goes out After the ar...

Page 8: ...ion arc is a critical current range characterised by intensive spattering This range should be avoided if possi ble Long arc Long arcs are typical at welding at the higher ampere range under carbondioxid and gases with a high CO2 content It is not particularly suitable for positional welding In this type of arc large drops are formed which falls into the welding pool mainly by force of gravity Due...

Page 9: ...ertical up position the side to side motion should describe the shape of an open triangle Length of the arc Welding with a longer arc reduces the penetration the weld ing bead is wide and flat with increased spattering The weld ing material is transferred with slightly larger drops than at welding with a shorter arc Welding with a shorter arc at the same amperage increases the penetration the weld...

Page 10: ...or short circuit be tween contact tip and gas nozzle spatter built up inside the gas nozzle remove it with special pliers Unstable arc wrong diameter of contact tip or worn out change contact tip No function of fan phase missing in the mains check machine at another socket and check mains and fuses Mains control lamp 40 does not light phase missing in the mains check machine at another socket and ...

Page 11: ... product was manufactured con form to following standards EN 60 974 1 10 EN 61 000 3 2 EN 61 000 3 3 conform to the guidelines 2006 95 EG 2004 108 EG 08 Wolfgang Grüb Director Lorch Schweißtechnik GmbH Lorch Schweißtechnik GmbH Postfach 1160 D 71547 Auenwald Germany Tel 49 0 7191 503 0 Fax 49 0 7191 503 199 Internet www lorch biz E Mail info lorch biz Date of issue 26 03 2008 Subject to change 13 ...

Page 12: ...Lorch Schweißtechnik GmbH Postfach 1160 D 71547 Auenwald Germany Tel 49 0 7191 503 0 Fax 49 0 7191 503 199 info lorch biz www lorch biz ...

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