78 1019567 REV. 03
5.4.4 Line Board
5.4.4.1 Removing the Line Board (EDP 100-242-546R)
Figure 5.8 The Line Board
1. Turn off the welder and unplug main power.
2. Turn air pressure to zero, then disconnect main air supply.
3. Open the left side cover. See Section
5.3 Opening and Removing the Left Side Cover (EDP 100-
032-338).
Label and unplug the following wires to the Line Board (Figure 5.8 The Line Board)
• E1 (brown, from power input plug)
WARNING General Warning
Before servicing the welder, make sure to do the following:
1. Turn off the welder and unplug main power.
2. Turn air pressure to zero and disconnect your main air line connection.
Failure to do this leaves the welder under potentially dangerous air
pressure.
3. Wait approximately 2 minutes after unplugging the welder before touching
internal electrical components.
WARNING General Warning
Turn air pressure to zero and disconnect the main air supply. Failure
to do this leave the welder under potentially dangerous air pressure.
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