Culligan HE Owner's Manual page 20

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Eductor Nozzle and Throat Replacement
Refer to Figure 6 and the instructions below when changing the eductor nozzle and throat.
1. Remove the eductor cap clip.
2. Remove the eductor cap.
3. Remove the eductor assembly.
4. Remove the eductor screen from the assembly
5. Remove the blue nozzle and replace it with the correct nozzle. See Table 2.
6. Make sure to put the O-ring on the nozzle.
7. Replace the eductor throat if required.
8. Reverse the procedure to reassemble.
NOTE Observe the orientation of the arrow on the eductor cap. The arrow faces
down for downflow regeneration applications; the arrow faces up for
upflow/proportional brining regeneration applications.
Throat
Eductor Cap
Backwash Flow Control Replacement
Refer to Figure 7 through Figure 9, Table 2, and instructions below to replace the backwash flow control.
1. Remove the cover by releasing the cover fastener from the control valve. See Figure 7 and
Figure 8.
2. Remove the drain clip and pull the drain elbow straight off. See Figure 9.
3. Remove the backwash flow control located behind the elbow.
4. Install the correct backwash flow control. See Table 2.
5. Reverse the procedure to reassemble.
NOTE The number on the flow control should face into the valve body.
NOTE Do not re-install the cover until the drain line tubing is connected.
Clip
Screen
Nozzle
Figure 6. Removing the eductor nozzle and throat.