1019567 REV. 03 101
3. Use an Allen or T-handle wrench to loosen the four hex-head (Figure 5.23 Removing the
Converter-Booster-Horn Stack) carriage door captive retaining screws.
4. Remove the carriage door.
5. Pull the Converter-Booster-Horn Stack out of the carriage.
5.5.8.2 Replacing the Converter-Booster-Horn Stack
1. Lift the Converter-Booster-Horn Stack (acorn contact terminal facing up) unto the carriage. Slide
the bottom of the booster clamp ring onto the two support washers located on the underside of
the carriage casting (
Figure 5.23 Removing the Converter-Booster-Horn Stack).
2. Press the Converter-Booster-Horn Stack in until it snaps into place.
3. Place the carriage door onto the carriage. Make sure the door aligns with the carriage.
4. Use an Allen or a T-handled wrench to evenly tighten the four hex-head carriage door retaining
screws.
5.5.9 Trigger Guard (EDP 100-208-045)
You must remove the Trigger Guard to service the Dynamic Trigger Mechanism, the
Trigger switch (TRS), the Upper Limit Switch (ULS), and the Air Cylinder.
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.
NOTICE
Do not over-tighten the carriage door retaining screws. To ensure
free movement of the Stack, make sure a small gap remains between
the carriage door and the carriage.
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.
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