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14
Service
Removing the Control
Complete the following steps to remove the control
module for servicing:
1. Unplug the wall-mount transformer.
2. Shut off the water supply or put the bypass valve(s)
into bypass position.
3. Remove the rear cover by pushing back on the tab
provided on the cover, Figure 10. Next, lift the rear
cover off the valve.
Figure 10
4. Relieve system pressure by opening the backwash
drain valve (the sixth valve back from the control)
with a screwdriver, Figure 11.
Figure 11
5. To remove the camshaft or reinstall it, the rib on the
shaft must be pointing straight up. This occurs
when the indicator knob is rotated to the refill
position. Press down on the back of the camshaft
to disengage it from the rear “hoop” of the top
plate, Figure 12.
Slide the camshaft back to disengage it from the
timer, Figure 13.
Figure 12
Figure 13
6. Disconnect the turbine probe from the turbine
assembly.
7. Lift the control off the valve, Figure 14. To replace
the control, reverse the above procedure. Note that
the camshaft needs to be positioned correctly
before it can be inserted into the back of the
control. There is a locating rib on the camshaft.
Position the rib on the top of the shaft and slide the
camshaft into the control. Push up on the end of
the camshaft, furthest from the timer, snapping it
into place.
Figure 14
Inlet
Outlet
Drain