R-Tech I-MIG160 MIG Operation Instructions Manual - page 13

Operating the Machine in MMA mode

Connect the following: 

1.  Negative welding power connector 

Connect the earth cable dinse plug into here and twist to secure 

2.  Positive welding power connector 

Connect the electrode holder cable dinse plug into here and twist to secure 

Most popular rods have a positive welding electrode and negative earth. If you are using special 

electrodes check the manufacturer’s recommendation for correct polarity of welding electrodes 

and connect as required. 

1.  Ensure machine is setup as previously stated 

2.  Fit desired electrode size in electrode holder 

3.  Switch on machine 

4.  Select desired welding power 

5.  Touch electrode on to workpiece and the arc will start 

When the machine is switched on, output terminals are always live, take care and do not 

touch electrode and earth by person at same time, otherwise an electric shock will occur.