Miller M-15 - Gun Installation Procedure; Understanding Duty Cycle

OM-180 516 Page 2
3. Installing Gun
Ref. ST-801 728
1 Gun Securing Collar
2 Gun End
Insert gun end into receptacle and
tighten collar.
See wire feeder manual for thread-
ing procedure.
1
2
Duty Cycle is percentage of 10 minutes that gun
can weld at rated load without overheating.
Definition
6 Minutes WeldingContinuous Welding 4 Minutes Resting
4. Duty Cycle
Model
Duty
Cycle
At
Amperes
Shielding
Gas
M-15
M-25
100%
150
120
200
CO
2
Mixed Gases
CO
2
Model
Duty
Cycle
At
Amperes
Shielding
Gas
M-15
M-25
60%
200
150
300
CO
2
Mixed Gases
CO
2
Minutes
0
10
M-40 400 CO
2
525 CO
2
275 Mixed Gases
400 Mixed Gases
M-40AL
M-40
M-40AL