Migatronic Automig 140 Mono X Instruction Manual Download Page 10 | Manualshive

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Migatronic Automig 140 Mono X Instruction Manual Download Page 10

10

REPLACEMENT OF CONTROL UNIT

1.

Switch off current.

2.

Remove buttons on the front plate.

3.

Remove side panel.

4.

Disconnect multiplug outlets and unscrew the nuts.

5.

Dismount potentiometer for pause time.

6.

Pull out control unit.

7.

Mount the new control unit inversely.

8.

Do not connect the machine before the multiplug is in the right place.

Nut

Plug

Nut

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Summary of Contents for Automig 140 Mono X

Page 1: ...INSTRUCTION MANUAL AUTOMIG X Valid from 8647 50170005 ...

Page 2: ... ...

Page 3: ...ding machines The materials are subject to current control and quality supervison and then processed and mounted together into MIGATRONIC welding machines No matter how good materials we have used and no matter how carefully the mounting has been done an advanced product as a MIGATRONIC MIG MAG welding machine demands your effort to operate perfectly for years Therefore study carefully this instru...

Page 4: ...rigger at the welding handle is activated the contactor will couple voltage to the welding transformer which will give a secundary voltage decided by the position of the voltage switch In the rectifier this AC voltage is transformed into a DC voltage which is applied between welding torch and return cable At the same time the flow of protection gas and the wire feed motor are started The number of...

Page 5: ...luminium wire use a special guide liner where the internal liner goes all the way through the inlet nozzle This prevents the aluminium wire from being damaged The reel of wire is put on the hub and the wire is put through the wire feed unit and some centimeters into the hose As the wire guide liner is vulnerable to burrs at the point of the wire it is important to file the point of the wire in ord...

Page 6: ...elding starts The welding automatically stops depending on the time adjusted by button 1 After an interval fixed at button 3 the same cycle continues automatically and is only interrupted when the trigger on the welding handle is released 3 Adjustable pausetime With this button the pause time is chosen when button 2 is in position interval 4 Wire speed With this button the wire feed speed is adjus...

Page 7: ...rch as the wire dips into the molten pool and does not melt Welding in these conditions normally gives faults due to lack of fusion If however the welding voltage is too high large drops will form on the end of the wire causing spatter The correct setting of voltage and speed can be seen in an even and calm arc See tables Influence of the welding position The position of the torch and the work pie...

Page 8: ...achines should not run over it as it may damage the wire lines The hose should be dismantled every week and blown out with dry air Welding torch There are many parts in the welding torch that have to be cleaned regularly The main ones are the contact tip and the gas nozzle During the welding process these parts are bombarded with spatter that sticks in the nozzles This may disturb the shielding ga...

Page 9: ...has to be tightened Spatter 1 The wire feed is too fast for the voltage setting 2 Worn out contact tip Porous weld A cone is formed when spot welding 1 Insufficient gas not enough pressure or the bottle is empty 2 Contact tip is blocked up 3 Leakage air is pumped in and mixes with the shielding gas The arc does not look normal and there is a lot of spatter 1 The material is dirty underseal or pain...

Page 10: ...he front plate 3 Remove side panel 4 Disconnect multiplug outlets and unscrew the nuts 5 Dismount potentiometer for pause time 6 Pull out control unit 7 Mount the new control unit inversely 8 Do not connect the machine before the multiplug is in the right place Nut Plug Nut ...

Page 11: ...can now be pulled out to the rear 4 Push in the new wire guide liner During the mounting the hose should be in as straight a line as possible 5 Press home the nozzle and screw the Allen screw for fixing the wire guide liner 6 Cut the liner so that it is in line with the outer edge of the connection nipple If the wire guide liner is of plastic cut it with a sharp knife 7 Mount the welding torch 8 C...

Page 12: ...kVA 5 3 kVA 3 5 kVA 4 5 kVA 6 2 kVA 9 2 kVA 12 2 kVA Efficiency 0 85 0 85 0 85 0 85 0 85 0 85 0 82 0 82 Cos phi 0 90 0 95 0 92 0 89 0 85 0 87 0 87 0 87 Open circuit voltage 20 31V 20 36V 19 36V 18 25V 17 31V 15 31V 15 37V 16 44V 100 duty cycle 50A 60A 65A 45A 65A 95A 145A 165A 60 duty cycle 60A 80A 85A 60A 85A 125A 185A 210A 35 duty cycle 80A 100A 110A 75A 110A 160A 220A 260A 25 duty cycle 250A 30...

Page 13: ... Wire speed Welding voltage setting Wire speed Welding voltage setting Wire speed Material thickness mm Welding voltage setting Wire speed Welding time 140 MX 0 5 1 1 2 2 3 3 4 2 4 5 8 2 3 3 4 2 3 3 4 5 180 MX 0 5 1 1 2 2 4 2 3 4 2 3 5 4 5 2 3 3 4 5 2 3 3 3 5 8 0 5 0 5 1 1 5 5 6 5 5 7 0 5 1 2 185 X 0 5 1 1 2 2 4 2 3 3 4 2 3 5 3 5 5 2 3 3 4 5 6 2 3 3 4 5 7 0 5 0 5 1 1 5 5 6 5 5 7 0 5 1 2 140 X 0 5 ...

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