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B-2
OPERATION
B-2
B. ARC FORCE CONTROL DIAL
Arc Force
Increase/Decrease of
Arc Force
C. OUTPUT CURRENT CONTROL DIAL
Output Current
D. OUTPUT CURRENT CONTROL RANGE SWITCH
(R3R 500-I and R3R 600-I only)
Output Current
Control Dial Range A
Output Current
Control Dial Range B
E. OUTPUT CURRENT CONTROL “MACHINE-
REMOTE” SWITCH
Remote Output
Current Control
F. POLARITY SWITCH (Factory installed option on
domestic models only)
Electrode Polarity
Positive
Electrode Polarity
Negative
Do Not Switch While
Welding
G. RATING PLATE
Three Phase
Power
Transformer
Rectifier
Rectified DC
Output
Constant Current
Characteristics
Shielded Metal Arc
Welding
Line Connection
H. HIGH TEMPERATURE WARNING LIGHT
High Temperature
Limit
I. WARNING
Warning
Identification
J. GROUND
Signifying the Earth
(Ground)
Connection
IDEALARC R3R 600-I