Miller Electric Metro 300DX Welding System User Manual


 
2-6.
Engine
Prestart
Checks
Check
all
fluids
daily.
Engine
must
be
cold
and
on
a
level
surface.
Engine
stops
if
oil
pressure
is
low.
A
Heavy
loading
during
first
50
hours
will
damage
en
gine.
Keep
load
less
than
225A
(weld)
or
7
kVA
(power)
for
first
50
hours.
2-7.
Weld
Output
Terminals
And
Selecting
Cable
Sizes
Ref.
ST-159
219-D
Total
Cable
(Copper)
Length
in
Weld
Circuit
Not
Exceeding
1060%
Duty
Cycle
100
ft
(30
m)
Or
Less
150ft
(45
m)
200ft
r
(60
m)
250ft
(70
m)
300ft
(90
m)
350ft
(105
m)
400ft
(120
m)
60
100%
Duty
Cycle
10100%
Duty
Cycle
4 4 4
3
2
1
1/0
1/0
3
3 2
1
1/0
2/0
3/0
3/0
3
2
1
1/0
2/0 3/0 4/0
4/0
2
1
1/0
2/0 3/0
4/0
2-2/0 2-2/0
1
1/0
210 3/0 4/0 2-2/0 2-3/0
2-3/0
1/0
2/0
3/0 4/0 2-2/0 2-3/0 2-3/0
2-410
1/0
2/0
Weld
cable
size
(AWG)
is
based
on
either
a
4
volts
or
less
drop
or
a
current
density
of
at
least
300
circular
mils
per
ampere.
3/0
4/0
2-2/0
2-3/0
2-4/0
2-4/0
S-0007-D
OM-156
366
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