GYS Greenline NOVOMIG 160 Mode D'emploi page 13

SEMI-AUTOMATIC WELDING FOR ALUMINIUM (MIG MODE) (FIG-II)
The NOVOMIG are delivered equipped for welding with Aluminium wire Ø 0.8 or 1.0mm (fig II-B)
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 specific gas requirements please contact your distributor. The gas flow 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 :
- Specific 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 teflon 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 specific 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 configured for Gas welding.
PROCESS OF REELS AND TORCHES ASSEMBLY (FIG-V)
Remove the Nozzle (fig V-E) from the torch by turning clockwise and then remove the contact tip, leaving the support and the spring on the torch
(fig V-D).
• Open the door of the machine
FIG V-A : Position the reel on to the support.
• In case of 100mm 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 fitted 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 (fig 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 (fig
V-E).
The NOVOMIG machines can accommodate coils of 100 or 200mm diameter.
Below are the different combinations possible :
* We recommend a teflon 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).
GAS COUPLING
- Connect a pressure regulator to the gas bottle. Connect the welding machine using the pipes supplied, and place the two clamps to avoid lea-
kages.
- Set the gas flow by adjusting the dial located on the pressure regulator.
NB : to help facilitate the adjustment of the gas flow, operate the drive rollers by pressing the trigger of the torch (ensure that the drive roller is
completely loose so the wire is not fed through).
This procedure does not apply to «Gasless» welding mode.
CONTROL PANEL (FIG. VI)
NOVOMIG 160
NOVOMIG
steel/stainless
steel
Alu*
No Gas
Electrodes
Novomig 160
1- Voltage selection button A / B
2- Voltage selection button min/max.
3- Wire speed regulator.
4- « SMART » settings table MIG/MAG
5- Thermal Protection light.
6- positions switch
160
0,6/0,8/1,0
0,8/1,0
0,9/1,2
-
EN
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