ESAB FABRICATOR 181i
Manual 0-5449 4-3 INTRODUCTION
6. MIG Gun Polarity Lead
The polarity lead is used to connect the MIG Gun to the appropriate positive or negative output terminal (allowing polarity reversal
for different welding applications). In general, the polarity lead should be connected in to the positive welding terminal (+) when
using steel, stainless steel or aluminum electrode wire. When using flux cored (gasless) wire, the polarity lead is generally con-
nected to the negative welding terminal (-). If in doubt, consult the manufacturer of the electrode wire for the correct polarity. It
is essential, however, that the male plug is inserted and turned securely to achieve a sound electrical connection.
!
CAUTION
Loose welding terminal connections can cause overheating and result in the male plug being
fused in the bayonet terminal.
7. Negative Welding Output Terminal
The negative welding terminal is used to connect the welding output of the Power Source to the appropriate welding accessory
such as the MIG Gun (via the MIG Gun polarity lead), TIG Torch or work lead. Negative welding current flows to the Power Source
via this heavy duty bayonet type terminal. It is essential, however, that the male plug is inserted and turned securely to achieve
a sound electrical connection.
!
CAUTION
Loose welding terminal connections can cause overheating and result in the male plug being
fused in the bayonet terminal.
8. Remote Control and Spool Gun Socket
The 8 pin socket is used to connect the Tweco MIG Gun, remote control device or spool gun plug to the welding Power Source.
To make connections, align keyway, insert plug, and rotate threaded collar fully clockwise.
Trigger Switch
Remote Wirespeed in MIG (GMAW/FCAW) mode
Remote Amps in LIFT TIG (GTAW) mode
Remote Volts in
MIG (GMAW/FCAW)
1
2
3
4
5
6
7
8
W
V
3
4
5
6
7
8
1
2
Negative
Spool Gun Motor
Positive
Art # A-10421_AC
Figure 4-4: Remote Control Socket
Socket Pin
Function
1
Spool gun motor (0V)
2
Trigger Switch Input
3
Trigger Switch Input
4
Spool gun motor (+24V DC)
5
5k ohm (maximum) connection to 5k ohm remote control potentiometer.
6
Zero ohm (minimum) connection to 5k ohm remote control potentiometer.
7
Wiper arm connection to 5k ohm potentiometer for the remote control of the Wirespeed in MIG mode.
Wiper arm connection to 5k ohm potentiometer for the remote control of the Amperage (Weld Current)
in LIFT TIG mode.
8
Wiper arm connection to 5k ohm remote control Volts MIG mode potentiometer.
Table 4-1
Содержание Fabricator 181i
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