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OM-173 413 Page 13
2-3. Symbols And Definitions
Stop Engine
Fast
(Run,Weld/Power)
Fast/Slow
(Run/Idle)
Slow
(Idle)
Start Engine Time Temperature Fuel
Engine Oil Remote Panel/Local
Certified/Trained
Mechanic
Check Injectors/
Pump
Check Valve
Clearance
Battery
(Engine)
V
Volts
A
Amperes
Shielded Metal Arc
Welding (SMAW)
Arc Force (DIG)
Gas Tungsten Arc
Welding (GTAW)
G
Engine-Driven,
Three-Phase
Alternator With
Rectifier
Engine
Read Operator’s
Manual
Circuit Breaker
Positive Negative
Alternating Current
(AC)
Direct Current
(DC)
Protective Earth
(Ground)
Do Not Switch
While Welding I
Current
I
2
Rated Welding
Current
X
Duty Cycle
U
0
Rated No Load
Voltage (Average)
U
2
Conventional
Load Voltage
n
Rated Load
Speed
n
1
Rated Idle
Speed n
0
Rated No Load
Speed
h
Hours
s
Seconds
Single Phase
Hz
Hertz