100 1019567 REV. 03
5.5.8 Converter-Booster-Horn Stack
You must remove the Converter-Booster-Horn Stack to service the Dynamic Trigger
Mechanism, the Trigger switch (TRS), and the Air Cylinder.
5.5.8.1 Removing the Converter-Booster-Horn Stack
Figure 5.23 Removing the Converter-Booster-Horn Stack
1. Turn off the welder and unplug main power.
2. Turn air pressure to zero, then disconnect main air supply.
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
If LED 1 or LED 2 on the Power Supply Module is lit, there is still High
Voltage present. Wait until they are out before servicing the welder.
Refer to Figure 3.4 for location of LED 1 and 2.
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