OM-4429 Page 18
4-5. Fuel Consumption
The curve shows typical fuel use
under weld or power loads.
215 082
−
A
IDLE
DC WELD AMPERES AT 100% DUTY CYCLE
U.S. GAL./HR.
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
0
50 100 150 200 250 300 350 400 450 500 550 600
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.
NOTICE
−
Exceeding duty cycle
can damage unit and void warranty.
100% Duty Cycle At 400 Amperes
202 356
Summary of Contents for Big Blue 500 PT
Page 17: ...OM 4429 Page 13 3 2 Manufacturer s Rating Labels CC Models CC CV Models...
Page 33: ...OM 4429 Page 29 Notes...
Page 37: ...OM 4429 Page 33 Notes...
Page 45: ...OM 4429 Page 41 SECTION 9 MAINTENANCE TROUBLESHOOTING 9 1 Maintenance Label...
Page 57: ...OM 4429 Page 53 223 525 B...
Page 58: ...OM 4429 Page 54 Figure 10 2 Circuit Diagram For CC CV Welding Generator...
Page 59: ...OM 4429 Page 55 223 524 B...