Owner`s manual

OM-1036 Page 2
2-1. Duty Cycle
CAUTION
WELDING LONGER THAN RATED DUTY CYCLE can damage gun and void warranty.
• Do not weld at rated load longer than shown below.
wfwarn8.1 8/93
Duty Cycle is percentage of 10
minutes that gun can weld at
rated load without overheating.
sb1.5* 8/93
0
10
Minutes
M-40: 100% Duty Cycle At 400 Amperes Using CO
2
M-40: 100% Duty Cycle At 275 Amperes Using Mixed Gases
Definition
M-40: 60% Duty Cycle At 525 Amperes Using CO
2
M-40: 60% Duty Cycle At 400 Amperes Using Mixed Gases
6 Minutes Welding 4 Minutes RestingContinuous Welding
Figure 2-1. Duty Cycle
SECTION 3 – INSTALLATION
3-1. Preparing And Installing Gun
Ref. ST-152 466 / Ref. ST-800 749-A
1 Drive Assembly Cover
2 Drive Assembly
3 Gun Securing Knob
4 Gun End
Loosen securing knob. Insert gun
end through opening and position
as close as possible to drive rolls
without touching. Tighten knob.
5 Gun Trigger Plug
Insert into matching receptacle and
tighten threaded collar.
Close cover
See wire feeder manual for thread-
ing procedure.
1
4
5
3
2
Figure 3-1. Installing Gun