Emerson 2000IW Maintenance Manual page 124

4. Remove the Trigger Guard (Section
5. Remove the two shoulder retaining screws holding the pressure plate to the Dynamic Trigger
Mechanism lower housing
6. Raise the pressure plate on the end of the Air Cylinder rod
Switch (TRS)).
7. Remove the TRS retaining screw
8. Hold the TRS and remove the 3-pin connector.
5.5.15.2 Replacing the Trigger Switch
1. Plug the connector into the TRS
2. Apply a drop or two of Loctite
CAUTION
3. Install the TRS retaining screw and tighten until snug.
4. Apply a drop or two of Loctite
5. Replace the pressure plate; install and tighten the two shoulder retaining screws.
6. Adjust pre-load to 0.203 - 0.208 lbs. using a gauge pin or drill bit.
7. Calibrate the TRIGGER PRESSURE. (For instructions on doing this, contact Branson Product
Support.)
8. Install the Trigger Guard (Section
9. Connect the main air supply.
10.Close the left side cover. See
5.5.16 Linear Optical Encoder (EDP 100-143-052, IW+ only)
WARNING
114
5.5.9.1 Removing the Trigger
(Figure 5.32 Removing the Trigger Switch
(Figure 5.32 Removing the Trigger Switch
(Figure 5.32 Removing the Trigger Switch
®
242 to the TRS retaining screw.
General Warning
The TRS is fragile - do not overtighten the retaining screw.
®
to the two shoulder retaining screws.
5.5.9.2 Replacing the Trigger
5.3 Opening and Removing the Left Side Cover (EDP
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.
Guard).
(TRS)).
(Figure 5.32 Removing the Trigger
(TRS)).
(TRS)).
Guard).
100-032-338).
1019567 REV. 03