Craftsman 30084N Operation Manual - Page 9

Caution

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2-3. Welding Power Source Duty Cycle And Overheating Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. If unit overheats, thermostat(s) opens, output stops, and cooling fan runs. Wait fifteen minutes for unit to cool. Reduce amperage or voltage, or duty cycle before welding. Y Exceeding duty cycle can damage unit and void warranty. 60% Duty Cycle At 150 Amperes Overheating 6 Minutes Welding 4 Minutes Resting 0 15 Minutes A or V OR Reduce Duty Cycle duty1 4/95 - SB-181 009 2-4. Welding Gun Duty Cycle And Overheating CAUTION WELDING LONGER THAN RATED DUTY CYCLE can damage gun and void warranty. • Do not weld at rated load longer than shown below. • Using gasless flux cored wire reduces gun duty cycle. warn7.1 8/93 Definition 0 10 Minutes Duty Cycle is percentage of 10 minutes that gun can weld at rated load without overheating. .023 To .045 in (0.6 To 1.1 mm) Hard Or Flux Cored Wires 100% Duty Cycle At 150 Amperes Using CO2 100% Duty Cycle At 120 Amperes Using Mixed Gases .023 To .045 in (0.6 To 1.1 mm) Hard Or Flux Cored Wires 60% Duty Cycle At 200 Amperes Using CO2 60% Duty Cycle At 150 Amperes Using Mixed Gases Continuous Welding 6 Minutes Welding 4 Minutes Resting SB1.1 8/93 OM-194 199 Page 6

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OM-194 199 Page 6
6 Minutes Welding
4 Minutes Resting
2-3.
Welding Power Source Duty Cycle And Overheating
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
If unit overheats, thermostat(s)
opens, output stops, and cooling
fan runs. Wait fifteen minutes for
unit to cool. Reduce amperage or
voltage, or duty cycle before
welding.
Y
Exceeding duty cycle can
damage
unit
and
void
warranty.
Overheating
0
15
A or V
OR
Reduce Duty Cycle
Minutes
duty1 4/95 – SB-181 009
60% Duty Cycle At 150 Amperes
2-4.
Welding Gun Duty Cycle And Overheating
CAUTION
WELDING LONGER THAN RATED DUTY CYCLE can damage gun and void warranty.
•
Do not weld at rated load longer than shown below.
•
Using gasless flux cored wire reduces gun duty cycle.
warn7.1 8/93
Duty Cycle is percentage of 10
minutes that gun can weld at
rated load without overheating.
Continuous Welding
SB1.1 8/93
0
10
Minutes
Definition
.023 To .045 in (0.6 To 1.1 mm)
Hard Or Flux Cored Wires
100% Duty Cycle At 150 Amperes
Using CO
2
100% Duty Cycle At 120 Amperes
Using Mixed Gases
.023 To .045 in (0.6 To 1.1 mm) Hard Or Flux Cored Wires
60% Duty Cycle At 200 Amperes
Using CO
2
60% Duty Cycle At 150 Amperes
Using Mixed Gases
6 Minutes Welding
4 Minutes Resting