
weldskill 100, 135, 150 MiG
3-6
Installation
3.10 Polarity Changeover
!
WARNING
ELECTRIC SHOCK CAN KILL! Make certain the machine is unplugged from the power receptacle.
Do not plug machine in until told to do so in these instructions
As delivered from the factory, the output polarity is connected as (reverse polarity). The output terminals are
located on the interior panel of the welding power source.
PROCESS
POLARITY
CABLE CONNECTIONS
CABLE TO MIG TORCH CABLE TO WORK
1. GMAW* – Solid Wire & flux
cored with shielding gas
1.Straight Polarity*
1. Connected to (+) Pos.
output terminal
1. Connected to (-)
Neg. output terminal
2. FCAW* – Self-shielding
Wire – no Shielding Gas
2. Reverse Polarity*
2. Connected to (-) Neg.
output terminal
2. Connected to (+)
Pos. output terminal
* Exception: Check with the MIG Wire Manufacturer for recommended polarity.
Table 3-1: Process Cable Connections
Connection for GMAw (straight polarity)
1. Open the door to the machine.
2. Remove the polarity terminal knobs.
3. Set up the polarity (as per Table 3-1 above) by removing the leads from the terminals and reversing
them if necessary. Refer to Figure 3-6.
4. Replace the polarity terminal knobs.
Polarity
Terminal
Cable to
MIG Torch
(Red Cable)
Cable to
Work Lead
(Black Cable)
Art # A-09007_AB
Figure 3-6: Connection for GMAW (straight polarity)
NOTE
Ensure that the polarity terminal knobs are tightly secured and that there is no connection between
positive and negative terminals.
Содержание weldskill 100
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