Design and function
MMA welding
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099-005214-EW501
19.05.2011
• Insert cable plug of the electrode holder into either the "+" or "-" welding current connection socket and
lock by turning to the right.
• Insert cable plug of the workpiece lead into either the "+" or "-" welding current connection socket and
lock by turning to the right.
• Insert the polarity selection plug in the park socket and lock in place by turning to the right.
5.9.2
Welding task selection
Operating element
Action
Result
E-HAND
MMA
Welding process selection
Signal light
E-HAND
MMA
on.
Operating element
Action
Result
MMAG
FUGENHOBELN
Welding process selection
Signal light
MMAG
FUGENHOBELN
on.
NOTE
Special electrode holders and carbon electrodes are required for air arc gouging.
5.9.3
Welding current setting
The welding current is normally set using the "Wire speed" rotary dial.
Operating
element
Action Result
Displays
m/min
Welding current is set
Setpoint setting
5.9.4
Arcforce
Operating
element
Action Result
Display
- +
DYN
Select arcforcing welding parameter
LED for the button is on.
Arcforcing setting for electrode types:
(Setting range -40 to 40)
Negative values
Rutile
Values around zero Basic
m/min
Positive values
Cellulose
5.9.5
Hotstart
The hotstart device improves the ignition of the stick electrodes using an increased ignition current.
a) = Hotstart time
b) = Hotstart current
I =
Welding current
t =
Time
Figure 5-16
