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Gys SMARTMIG 142 Manual

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SMARTMIG
EN
SEMI-AUTOMATIC WELDING FOR ALUMINIUM (MIG MODE) (FIG-II)
The SMARTMIG 152, 162, 3P, 182 & 183 are delivered equipped for welding with Aluminium wire Ø 0.8 or 1.0mm (g II-B)
The Smartmig 3P can weld aluminium wire (0.8 or 1.0 diameter), to do so please connect the earth cable on the negative terminal at the front of the
machine (g I). The SMARTMIG 142 is delivered equipped for welding Aluminium of Ø 0.8mm (Occasional and non-intensive). In this case the wire
used should be stiff to facilitate wire feeding.
For use with aluminium, the gas requirement is pure argon (Ar). For the specic gas requirements please contact your distributor. The gas ow in
Aluminium is between 20 and 30 Litres/minute depending on the environment, and the experience of the welder.
Below are the differences between welding with Steel and Aluminium :
- Specic rollers are needed for welding with Aluminium.
- Adjust the pressure of the drive rolls to prevent the wire being crushed.
- Only use a capilliary tube for welding with Steel or Stainless Steel.
- Use a special Aluminium Torch with a teon sheath to reduce friction.
DO NOT cut the sheath close to the joint, it is used to guide the wire from the the rollers.
- Contact Tube : Use a special aluminium contact tube specic to the diameter of wire being used.
GASLESS WIRE WELDING (FIG. III)
These machines are capable of «Gasless» wire welding (cored wire) provided that the polarity is reversed.
To do this, turn the machine off, open up the machine (14) and make the electrical connections described in Figure C of the page below. The
Machines are originally congured for Gas welding.The Smartmig 3P can weld «No Gas» ux cored wire, to do so please connect the earth cable on
the positive terminal at the front of the machine (g I).
ELECTRODE WELDING (FIG. III) SMARTMIG 3P (MMA MODE)
Connect the electrode holder and earth clamp as indicated on the electrode packaging.
• Respect the basic rules of welding.
Compatible electrodes :
Electrode Ø mm (Rutile) Metal sheet thickness (mm) Welding current (A)
1.6 1.5 40
2.0 1.5 > 3 55
2.5 2.5 > 6 80
3.2 5 > 8 115
PROCESS OF REELS AND TORCHES ASSEMBLY (FIG-V)
Remove the Nozzle (g V-E) from the torch by turning clockwise and then remove the contact tip, leaving the support and the spring on the torch
(g V-D).
• Open the door of the machine
FIG V-A : Position the reel on to the support.
• In case of 100mm (3P, 142, 152, 162) wire reel use, do not install the adapter (1).
• Adjust the reel break (2) to avoid reel movement tangling the wire when welding stops. Be careful not to tighten too much - the reel must rotate
without straining the motor.
• Tighten the plastic screw (3).
FIG V-B : Installing the drive roller.
• Choose the correct diameter reel for the type of wire. The visible diameter indicated on the roller when tted in place is the diameter currently in
use (ie. 0.8mm is visible for use with 0.8mm wire).
FIG V-C : To select the adjustment of the drive rollers, proceed as follows :
• Loosen the drive roller knob as far as possible.
• Insert the wire until it exits the other side by about 2cm, tighten the knob again slightly.
• Start the motor by pressing the trigger of the torch.
• Tighten the knob (g V-C) whilst pressing the trigger until the wire starts to move.
Nb : When welding with Aluminium, use the minimum possible pressure to avoid crushing the wire
• Pull the wire out of the end of the torch by approximately 5cm, then attach the contact tip suitable for the wire used and then the nozzle (g
V-E).
The SMARTMIG 142, 152, 162, 3P machines can accommodate coils of 100 or 200mm diameter.
The SMARTMIG 182 machines can accommodate coils of 200 or 300mm diameter. To place a 200mm wire reel, rst install the adapter (ref. 042889)
on the support.
The SMARTMIG 3P can also weld with rutile electrodes of 2.0/ 2.5/ 3.2 mm diameter.
Below are the different combinations possible :
Smartmig 142/152 162 3P 182 183 gaz
steel/stainless
steel
0,6/0,8 0,6/0,8/1,0 Argon +
CO2
Alu* - 0,8/1,0 Pure Argon
No Gas 0,9 0,9/1,2 -
Electrodes - - 2/2,5/3,2 - - -
* We recommend a teon sheath (ref. 041578) and special Aluminium contact tip (Ø 0.8 ref. 041059 - Ø 1.0 ref. 041066)
To help you select the diameter of wire suitable for the job you want to perform, refer to the table on page 4 (FIG IV).
… 13 …


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