DCM00044 REV. 14 49
4.7.1 Installing the Stack in the Actuator
The ultrasonic stack must first be assembled. To install the stack:
1. Make sure that the system power is turned off by disconnecting the power plug.
2. Loosen the two M10 screws on top of the polar block.
3. Insert the stack into the polar block. Note: If the stack does not fit into the polar block, tighten
the spreading M8 set screw located in between the clamping screws.
4. Adjust the stack to the desired position.
5. If the spreading set screw has been tightened to loosen the stack, unscrew it to achieve
clamping of the stack.
6. Tighten the two M10 screws on top the polar block in an alternating pattern to achieve equal
clamping force.
7. Re-check position of the stack relative to the tooling surface.
8. Adjust stack accordingly to achieve proper alignment.
Figure 4.9 Mounting the Stack on the Ultraweld L20 Actuator
WARNING General Warning
Do not operate ultrasonics without connecting the converter lead wire
and ground.
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