ATD Tools ATD-3130, Operating Manual, Page: 9 / 36

9
WELDER SPECIFICATIONS
DESCRIPTION
Your new MIG (GMAW) core (FCAW)
wire feed welder is designed for mainte-
nance and sheet metal fabrication. The
welder consists of a single-phase power
transformer, stabilizer,
r, and a
unique built-in control/feeder.
Now you can weld sheet metal from 24
gauge up to 3/16 inch thick with a single
pass. You can weld thicker steel with bevel-
ing and multiple pass techniques. Table 1
lists your MIG welder
Table 1. Welder
Primary (input) Volts 120V A C
Primary (input) Amps 13
e l g n i S e s a h P
Frequency
60 Hz
Secondary (output) volts 21
CSA rated output amps 60
Open Circuit Volts (Max.) 30V DC
Duty Cycle Rating 40%
WELDER OPERATING
CHARACTERISTICS
DUTY CYCLE
The duty cycle rating of a welder
how long the operator can weld and how
long the welder must be rested and cooled.
Duty cycle is expressed as a percentage of
10 minutes and represents the maximum
welding time allowed. The balance of the
10-minute cycle is required for cooling. Your
new welder has a duty cycle rating of 40% at
the rated output. This means that you can
weld for four (4) minutes out of 10 with the
remaining six (6) minutes required for cool-
ing. (See Table 2).
Table 2. Duty Cycle Ratings
Duty Maximum Required
Cycle Welding Resting
Rating Time Time
20% 2 minutes 8 minutes
40% 4 minutes 6 minutes
60% 6 minutes 4 minutes
80% 8 minutes 2 minutes
100% 10 minutes 0 minutes
INTERNAL THERMAL PROTECTION
CAUTION
Do not constantly exceed the duty cycle or
damage to the welder can result. If you
exceed the duty cycle of the welder, an inter-
nal thermal protector will open, shutting
all welder functions except the cooling fan. If
this happens, DO NOT SHUT OFF THE
WELDER. Leave the welder turned on with
the fan running. After cooling, the thermal
protector will automatically reset and the
welder
will function normally again.
However you should wait at least ten min-
utes after the thermal protector opens
before resuming welding. You must do this
even if the thermal protector resets itself
before the ten minutes is up or you may
experience less than
duty cycle
performance.
If you that the welder will not weld for
two minutes without stopping, reduce the
wire speed slightly and tune in the welder at
the lowest wire speed setting that still pro-
duces a smooth arc. Welding with the wire
speed set too high causes excessive current
draw and shortens the duty cycle.
This MIG welder, equipped with gas, is capable
of welding with .023” (0.6mm) and .030” (0.8mm)
solid steel wire using DC reverse polarity, and with
.030” (0.8mm)and .035” (0.9mm) self shielded
diameter solid steel wire .035” (0.9mm) using DC
reverse polarity may also be used. Welding with
larger than .035” (0.9mm) is not recommended.