Miller Electric Big 40 CAT manual Fuel Consumption, Duty Cycle And Overheating

4-5. Fuel Consumption

The curve shows typical fuel use under weld or power loads.

	2.00
	1.75
Gal./Hr.	1.50
	1.00
	1.25
US	0.75

0.50

0.25

0.00

0

IDLE

50 100 150 200 250 300 350 400

DC WELD AMPERES AT 100% DUTY CYCLE

			199 032
4-6. Duty Cycle And Overheating
100% Duty Cycle At 300 Amperes	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.
Continuous Welding
WELD AMPERES
% DUTY CYCLE
			199 140

OM-4406 Page 18 Return To Table Of Contents