14
INSTALLATION
Unpacking
Check the packaging for any signs of damage.
Carefully remove the machine and retain the packaging until the installation is complete.
Location
The machine should be located in a suitable position and environment. Care should be taken to avoid
moisture, dust, steam, oil or corrosive gases.
Place on a secure level surface and ensure that there is adequate clearance around the machine to ensure
natural airflow.
Input connection
Before connecting the machine you should ensure that the correct supply is available. Details of the
machine requirements can be found on the data plate of the machine or in the technical parameters
shown in the manual.
The equipment should be connected to the appropriate mains supply by a suitably qualified person.
Always ensure the equipment has a proper grounding.
Never connect the machine to the mains supply with the panels removed.
Output connections
Electrode polarity
In general when using manual arc welding electrodes the electrode holder is connected to the positive
terminal and the work return to the negative terminal. Always consult the electrode manufacturer’s data
sheet if you have any doubts.
MMA welding
Insert the cable plug with electrode holder into the “+” socket on the front panel of the welding machine
and tighten it clockwise.
Insert the cable plug of the work return lead into the “-” socket on the front panel of the welding machine
and tighten it clockwise.
Model shown as example is the JM-352C
