Magmate MMA 140, Руководство по эксплуатации

Страница: 10 / 16

10
1
4
3
1 Overtemperature control indicator
2
On/Off switch (behind machine)
3
Power indicator light
4 Welding current adjustment
For MMA welding
Connect the electrode holder to the positive
(+) output terminal
6
and the work return
lead should be connected to the negative (-)
output terminal
5
.
The welding current can be adjusted with the
welding current adjustment knob
4
.
The machine will stop working if the temperature
reaches a certain level. (Exceeds the unit's duty
cycle). The overtemperature control indicator
light
1
will illuminate.
NOTE:
When changing the MMA electrode holder the machine should be
switched off using the power switch on the machine. In addition,
the main supply must be turned off and the plug removed from
the outlet socket.
5.1 Operating Machine
■
Select the current as per the
recommendations of the consumable
manufacturer.
■
Select the polarity of the electrode cable as
per the recommendations (+/-)
5.2 Earthing
For the welding process to be most effective
it is important to ensure that there is a solid
connection between the work return clamp and
the workpiece.
Always ensure that the return clamp is as close as
practically possible to the area to be welded.
Ensure that the workpiece is clean and free from
rust, scale paint or oil and grease before affi xing
the work return clamp.
5.0 Operating Functions