
Chapter 6: Shutdown and Maintenance 223
Changing the Pinch Valve Tubing
The tubing that runs through the pinch valve should be changed as needed. The
system ships with replacement tubing cut into 3-inch lengths, found in the
accessory kit.
Figure 6-25 Pinch valve tubing
Perform the following steps to replace the tubing:
1 Turn off the stream (if needed). Make sure the loading port is in the unload
position.
2 Pull the existing pinch valve tubing out of the slot in the pinch valve.
Grasp the tubing with two fingers on each side of the pinch valve and pull
it straight out from the slot. The tubing pops out of the slot with a small
amount of pulling action. See Figure 6-26 on page 224.
pinch valve
pinch valve
tubing
pinch valve
collet fittings
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