Miller Electric Big 40 CAT - Manual (Page 24)

OM-4406 Page 18 Return To Table Of Contents
4-5. Fuel Consumption
The curve shows typical fuel use
under weld or power loads.
199 032
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
0 50 100 150 200 250 300 350 400
DC WELD AMPERES AT 100% DUTY CYCLE
US Gal./Hr
.
IDLE
Continuous Welding
4-6. Duty Cycle And Overheating
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
Y Exceeding duty cycle can
damage unit and void
warranty.
100% Duty Cycle At 300 Amperes
199 140
WELD
AMPERES
% DUTY CYCLE