Miller Electric M-25 - Manual (Page 8)

OM-227 796 Page 4
Y Exceeding duty cycle can
damage unit and void
warranty.
Overheating
0
15
A or V
OR
Reduce Duty Cycle
Minutes
sduty1 5/95
3-2. Duty Cycle And Overheating
Duty Cycle is percentage of 10
minutes that gun can weld at
rated load without overheating.
0
10
Minutes
Definition
Continuous Welding
.023 To .045 in (0.6 To 1.1 mm)
Hard Or Flux Cored Wires
100% Duty Cycle At 200 Amperes
Using CO
2
100% Duty Cycle At 150 Amperes
Using Mixed Gases
.023 To .045 in (0.6 To 1.1 mm) Hard Or Flux Cored Wires
60% Duty Cycle At 300 Amperes
Using CO
2
60% Duty Cycle At 200 Amperes
Using Mixed Gases
6 Minutes Welding 4 Minutes Resting
.
See Section 3-1. Specifications for amperage rating and duty cycle.
3-3. Installing Gun
804 465-A
1 Gun Securing Knob
2 Gun End
Loosen knob. Insert gun end until it
bottoms against drive assembly.
Tighten knob.
3
Gun Trigger Plug
Insert into receptacle, and tighten
threaded collar.
4
Friction Terminals
Some applications will require
cutting off trigger plug and installing
0.250 female friction terminals onto
end of leads.
See wire feeder manual for
threading procedure.
1
3
2
4