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OM-4409 Page 17
4-7. Fuel Consumption
The curve shows typical fuel use
under weld or generator power
loads.
208 211
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
050
100 150 200 250 300 350 400 450 500 550 600
DC WELD AMPERES AT 100% DUTY CYCLE
US Gal./Hr.
IDLE
w/ Air Output
Continuous Welding
4-8. Duty Cycle And Overheating
202 356
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
100% Duty Cycle At 500 Amperes
4 Minutes Welding 6 Minutes Resting
40% Duty Cycle At 600 Amperes
10
100
15 20 25 30 40 50 60 80 100
150
200
250
300
400
500
600
800
1000
% DUTY CYCLE
WELD AMPERES